SERVER-71798 Expand the set of queries eligible for SBE in the 6.3 release

106 files changed, 852 insertions, 1065 deletions

diff --git a/buildscripts/gdb/mongo_printers.py b/buildscripts/gdb/mongo_printers.py
index 1c2929870f7..5bd9d5330e5 100644
--- a/buildscripts/gdb/mongo_printers.py
+++ b/buildscripts/gdb/mongo_printers.py
@@ -849,9 +849,6 @@ class SbeCodeFragmentPrinter(object):
                     'Instruction::Constants: ' + str(const_enum) + \
                     ", offset: " + str(read_as_integer_signed(cur_op, int_size))
                 cur_op += int_size
-            elif op_name in ['applyClassicMatcher']:
-                args = 'MatchExpression* ' + hex(read_as_integer(cur_op, ptr_size))
-                cur_op += ptr_size
             elif op_name in ['dateTruncImm']:
                 unit = read_as_integer(cur_op, time_unit_size)
                 cur_op += time_unit_size
diff --git a/buildscripts/resmokeconfig/suites/native_tenant_data_isolation_with_security_token_jscore_passthrough.yml b/buildscripts/resmokeconfig/suites/native_tenant_data_isolation_with_security_token_jscore_passthrough.yml
index 205cb537143..bf664ae7043 100644
--- a/buildscripts/resmokeconfig/suites/native_tenant_data_isolation_with_security_token_jscore_passthrough.yml
+++ b/buildscripts/resmokeconfig/suites/native_tenant_data_isolation_with_security_token_jscore_passthrough.yml
@@ -15,7 +15,6 @@ selector:
   - uses_parallel_shell
   # columnstore indexes are under development and cannot be used without enabling the feature flag
   - featureFlagColumnstoreIndexes
-  - featureFlagSbeFull
   # Server side javascript not allowed in Serverless.
   - requires_scripting
   exclude_files:
diff --git a/jstests/aggregation/add_with_date.js b/jstests/aggregation/add_with_date.js
index b80c304e42c..4d76a6908d7 100644
--- a/jstests/aggregation/add_with_date.js
+++ b/jstests/aggregation/add_with_date.js
@@ -28,8 +28,6 @@ assert.commandWorked(coll.insert({
     nanDecimal: NumberDecimal("NaN"),
 }));
 
-const isSBEEnabled = checkSBEEnabled(db, ["featureFlagSbeFull"]);
-
 // Adding a Decimal128 value to a date literal.
 assert.eq(ISODate("2019-01-30T07:30:10.957Z"),
           getResultOfExpression({$add: ["$decimalVal", ISODate("2019-01-30T07:30:10.137Z")]}));
diff --git a/jstests/aggregation/explain_limit.js b/jstests/aggregation/explain_limit.js
index 7ce18401062..5e017f9b74e 100644
--- a/jstests/aggregation/explain_limit.js
+++ b/jstests/aggregation/explain_limit.js
@@ -18,7 +18,7 @@ let coll = db.explain_limit;
 
 const kCollSize = 105;
 const kLimit = 10;
-const isSBEEnabled = checkSBEEnabled(db, ["featureFlagSbeFull"]);
+const isSBEEnabled = checkSBEEnabled(db);
 
 // Return whether or explain() was successful and contained the appropriate fields given the
 // requested verbosity. Checks that the number of documents examined and returned are correct given
diff --git a/jstests/aggregation/optimize_away_pipeline.js b/jstests/aggregation/optimize_away_pipeline.js
index 065691a0663..453ee78db40 100644
--- a/jstests/aggregation/optimize_away_pipeline.js
+++ b/jstests/aggregation/optimize_away_pipeline.js
@@ -639,33 +639,66 @@ function assertProjectionIsNotRemoved(pipeline, projectionType = "PROJECTION_SIM
 assertProjectionCanBeRemovedBeforeGroup(
     [{$project: {a: 1, b: 1}}, {$group: {_id: "$a", s: {$sum: "$b"}}}]);
 
-assertProjectionCanBeRemovedBeforeGroup(
-    [{$project: {'a.b': 1, 'b.c': 1}}, {$group: {_id: "$a.b", s: {$sum: "$b.c"}}}],
-    "PROJECTION_DEFAULT");
-
-// Test that an inclusion projection is NOT optimized away if it is NOT redundant. This one fails to
-// include a dependency of the $group and so will have an impact on the query results.
+// Test that an inclusion projection is NOT optimized away if it is NOT redundant. This one
+// fails to include a dependency of the $group and so will have an impact on the query results.
 assertProjectionIsNotRemoved([{$project: {a: 1}}, {$group: {_id: "$a", s: {$sum: "$b"}}}]);
-// Test similar cases with dotted paths.
-assertProjectionIsNotRemoved([{$project: {'a.b': 1}}, {$group: {_id: "$a.b", s: {$sum: "$b"}}}],
-                             "PROJECTION_DEFAULT");
-assertProjectionIsNotRemoved([{$project: {'a.b': 1}}, {$group: {_id: "$a.b", s: {$sum: "$a.c"}}}],
-                             "PROJECTION_DEFAULT");
 
 // TODO SERVER-67323 This one could be removed, but is left for future work.
 assertProjectionIsNotRemoved(
     [{$project: {a: 1, b: 1}}, {$group: {_id: "$a.b", s: {$sum: "$b.c"}}}]);
 
-// Spinoff on the one above: Without supporting this kind of prefixing analysis, we can confuse
-// ourselves with our dependency analysis. If the $group depends on both "path" and "path.subpath"
-// then it will generate a $project on only "path" to express its dependency set. We then fail to
-// optimize that out.
+// If the $group depends on both "path" and "path.subpath" then it will generate a $project on only
+// "path" to express its dependency set. We then fail to optimize that out. As a future improvement,
+// we could improve the optimizer to ensure that a projection stage is not present in the resulting
+// plan.
 pipeline = [{$group: {_id: "$a.b", s: {$first: "$a"}}}];
 // TODO SERVER-XYZ Assert this can be optimized out.
 // assertProjectionCanBeRemovedBeforeGroup(pipeline, "PROJECTION_DEFAULT");
 // assertProjectionCanBeRemovedBeforeGroup(pipeline, "PROJECTION_SIMPLE");
 assertProjectionIsNotRemoved(pipeline);
 
+// Though $group is generally eligible for pushdown into SBE, such a pushdown may be inhibited by
+// dotted as well as computed projections. As such we only run the test cases below if SBE is fully
+// enabled.
+const sbeFull = checkSBEEnabled(db, ["featureFlagSbeFull"], true /* checkAllNodes */);
+if (sbeFull) {
+    assertProjectionCanBeRemovedBeforeGroup(
+        [{$project: {'a.b': 1, 'b.c': 1}}, {$group: {_id: "$a.b", s: {$sum: "$b.c"}}}],
+        "PROJECTION_DEFAULT");
+
+    // Test that a computed projection at the front of the pipeline is pushed down, even if there's
+    // no finite dependency set.
+    pipeline = [{$project: {x: {$add: ["$a", 1]}}}];
+    assertPipelineDoesNotUseAggregation(
+        {pipeline: pipeline, expectedStages: ["COLLSCAN", "PROJECTION_DEFAULT"]});
+
+    // The projections below are not removed because they fail to include the $group's dependencies.
+    assertProjectionIsNotRemoved([{$project: {'a.b': 1}}, {$group: {_id: "$a.b", s: {$sum: "$b"}}}],
+                                 "PROJECTION_DEFAULT");
+    assertProjectionIsNotRemoved(
+        [{$project: {'a.b': 1}}, {$group: {_id: "$a.b", s: {$sum: "$a.c"}}}], "PROJECTION_DEFAULT");
+
+    pipeline = [{$project: {a: {$add: ["$a", 1]}}}, {$group: {_id: "$a", s: {$sum: "$b"}}}];
+    assertPipelineIfGroupPushdown(
+        // Test that a computed projection at the front of the pipeline is pushed down when there's
+        // a finite dependency set. Additionally, the group pushdown shouldn't erase the computed
+        // projection.
+        function() {
+            explain = coll.explain().aggregate(pipeline);
+            assertPipelineDoesNotUseAggregation(
+                {pipeline: pipeline, expectedStages: ["COLLSCAN", "PROJECTION_DEFAULT", "GROUP"]});
+        },
+        // Test that a computed projection at the front of the pipeline is pushed down when there's
+        // a finite dependency set.
+        function() {
+            explain = coll.explain().aggregate(pipeline);
+            assertPipelineUsesAggregation({
+                pipeline: pipeline,
+                expectedStages: ["COLLSCAN", "PROJECTION_DEFAULT", "$group"],
+            });
+        });
+}
+
 // We generate a projection stage from dependency analysis, even if the pipeline begins with an
 // exclusion projection.
 pipeline = [{$project: {c: 0}}, {$group: {_id: "$a", b: {$sum: "$b"}}}];
@@ -696,32 +729,6 @@ pipeline = [{$project: {x: 0}}];
 assertPipelineDoesNotUseAggregation(
     {pipeline: pipeline, expectedStages: ["PROJECTION_SIMPLE", "COLLSCAN"]});
 
-// Test that a computed projection at the front of the pipeline is pushed down, even if there's no
-// finite dependency set.
-pipeline = [{$project: {x: {$add: ["$a", 1]}}}];
-assertPipelineDoesNotUseAggregation(
-    {pipeline: pipeline, expectedStages: ["COLLSCAN", "PROJECTION_DEFAULT"]});
-
-pipeline = [{$project: {a: {$add: ["$a", 1]}}}, {$group: {_id: "$a", s: {$sum: "$b"}}}];
-assertPipelineIfGroupPushdown(
-    // Test that a computed projection at the front of the pipeline is pushed down when there's a
-    // finite dependency set. Additionally, the group pushdown shouldn't erase the computed
-    // projection.
-    function() {
-        explain = coll.explain().aggregate(pipeline);
-        assertPipelineDoesNotUseAggregation(
-            {pipeline: pipeline, expectedStages: ["COLLSCAN", "PROJECTION_DEFAULT", "GROUP"]});
-    },
-    // Test that a computed projection at the front of the pipeline is pushed down when there's a
-    // finite dependency set.
-    function() {
-        explain = coll.explain().aggregate(pipeline);
-        assertPipelineUsesAggregation({
-            pipeline: pipeline,
-            expectedStages: ["COLLSCAN", "PROJECTION_DEFAULT", "$group"],
-        });
-    });
-
 // getMore cases.
 
 // Test getMore on a collection with an optimized away pipeline.
diff --git a/jstests/core/columnstore/column_scan_skip_row_store_projection.js b/jstests/core/columnstore/column_scan_skip_row_store_projection.js
index b69e515d7ef..8124af3e446 100644
--- a/jstests/core/columnstore/column_scan_skip_row_store_projection.js
+++ b/jstests/core/columnstore/column_scan_skip_row_store_projection.js
@@ -30,8 +30,8 @@ load("jstests/libs/sbe_util.js");             // For checkSBEEnabled.
 load("jstests/libs/clustered_collections/clustered_collection_util.js");
 load("jstests/libs/columnstore_util.js");  // For setUpServerForColumnStoreIndexTest.
 
-const columnstoreEnabled = checkSBEEnabled(
-    db, ["featureFlagColumnstoreIndexes", "featureFlagSbeFull"], true /* checkAllNodes */);
+const columnstoreEnabled =
+    checkSBEEnabled(db, ["featureFlagColumnstoreIndexes"], true /* checkAllNodes */);
 if (!columnstoreEnabled) {
     jsTestLog("Skipping columnstore index test since the feature flag is not enabled.");
     return;
diff --git a/jstests/core/columnstore/column_store_index_compression.js b/jstests/core/columnstore/column_store_index_compression.js
index c66c12abef0..52b74a23a10 100644
--- a/jstests/core/columnstore/column_store_index_compression.js
+++ b/jstests/core/columnstore/column_store_index_compression.js
@@ -8,7 +8,6 @@
  *   # Column store indexes are still under a feature flag and require full SBE.
  *   uses_column_store_index,
  *   featureFlagColumnstoreIndexes,
- *   featureFlagSbeFull,
  *
  *   # In passthrough suites, this test makes direct connections to mongod instances that compose
  *   # the passthrough fixture in order to perform additional validation. Tenant migration,
@@ -28,8 +27,8 @@ load("jstests/libs/fixture_helpers.js");        // For isMongos
 load("jstests/libs/index_catalog_helpers.js");  // For IndexCatalogHelpers
 load("jstests/libs/sbe_util.js");               // For checkSBEEnabled.
 
-const columnstoreEnabled = checkSBEEnabled(
-    db, ["featureFlagColumnstoreIndexes", "featureFlagSbeFull"], true /* checkAllNodes */);
+const columnstoreEnabled =
+    checkSBEEnabled(db, ["featureFlagColumnstoreIndexes"], true /* checkAllNodes */);
 if (!columnstoreEnabled) {
     jsTestLog("Skipping columnstore index test since the feature flag is not enabled.");
     return;
diff --git a/jstests/core/columnstore/columnstore_eligibility.js b/jstests/core/columnstore/columnstore_eligibility.js
index c65f4c50eff..791d9929608 100644
--- a/jstests/core/columnstore/columnstore_eligibility.js
+++ b/jstests/core/columnstore/columnstore_eligibility.js
@@ -25,8 +25,6 @@ if (!setUpServerForColumnStoreIndexTest(db)) {
     return;
 }
 
-const sbeFull = checkSBEEnabled(db, ["featureFlagSbeFull"]);
-
 const coll = db.columnstore_eligibility;
 coll.drop();
 
@@ -66,12 +64,35 @@ assert(planHasStage(db, explain, "COLUMN_SCAN"), explain);
 // will be applied after assembling an intermediate result containing both "a" and "b".
 explain = coll.find({$or: [{a: 2}, {b: 2}]}, {_id: 0, a: 1}).explain();
 
-// For top-level $or queries, COLUMN_SCAN is only used when sbeFull is also enabled due to a
-// quirk in the engine selection logic. TODO: SERVER-XYZ.
+// COLUMN_SCAN is used for top-level $or queries.
+assert(planHasStage(db, explain, "COLUMN_SCAN"), explain);
+
+// COLUMN_SCAN is only used for for certain top-level $or queries when sbeFull is also enabled due
+// to a quirk in the engine selection logic.
+const sbeFull = checkSBEEnabled(db, ["featureFlagSbeFull"]);
+explain = coll.explain().aggregate([
+    {$match: {$or: [{a: {$gt: 0}}, {b: {$gt: 0}}]}},
+    {$project: {_id: 0, computedField: {$add: ["$a", "$b"]}}},
+]);
+let planHasColumnScan = planHasStage(db, explain, "COLUMN_SCAN");
+
 if (sbeFull) {
-    assert(planHasStage(db, explain, "COLUMN_SCAN"), explain);
+    assert(planHasColumnScan, explain);
+} else {
+    assert(!planHasColumnScan, explain);
+}
+
+explain = coll.explain().aggregate([
+    {$match: {$or: [{a: {$gt: 0}}, {b: {$gt: 0}}]}},
+    {$project: {_id: 0, computedField: {$add: ["$a", "$b"]}}},
+    {$group: {_id: "$computedField"}}
+]);
+planHasColumnScan = planHasStage(db, explain, "COLUMN_SCAN");
+
+if (sbeFull) {
+    assert(planHasColumnScan, explain);
 } else {
-    assert(planHasStage(db, explain, "COLLSCAN"), explain);
+    assert(!planHasColumnScan, explain);
 }
 
 // Simplest case: just scan "a" column.
diff --git a/jstests/core/computed_projections.js b/jstests/core/computed_projections.js
index 06ea2476bd9..fd432771f44 100644
--- a/jstests/core/computed_projections.js
+++ b/jstests/core/computed_projections.js
@@ -2,14 +2,7 @@
 "use strict";
 
 load("jstests/aggregation/extras/utils.js");  // For arrayEq and orderedArrayEq.
-load("jstests/libs/sbe_util.js");             // For checkSBEEnabledOnSomeNode.
-
-const isSBEEnabled = checkSBEEnabledOnSomeNode(db);
-if (isSBEEnabled) {
-    // Override error-code-checking APIs. We only load this when SBE is explicitly enabled, because
-    // it causes failures in the parallel suites.
-    load("jstests/libs/sbe_assert_error_override.js");
-}
+load("jstests/libs/sbe_assert_error_override.js");
 
 // It is safe for other tests to run while this failpoint is active, so long as those tests do not
 // use documents containing a field with "POISON" as their name. Note that this command can fail.
diff --git a/jstests/core/index/hidden_index.js b/jstests/core/index/hidden_index.js
index e1edef07fe7..572d9016ae0 100644
--- a/jstests/core/index/hidden_index.js
+++ b/jstests/core/index/hidden_index.js
@@ -25,8 +25,7 @@ load("jstests/libs/sbe_util.js");                  // For checkSBEEnabled.
 load("jstests/libs/columnstore_util.js");          // For setUpServerForColumnStoreIndexTest.
 
 const columnstoreEnabled =
-    checkSBEEnabled(
-        db, ["featureFlagColumnstoreIndexes", "featureFlagSbeFull"], true /* checkAllNodes */) &&
+    checkSBEEnabled(db, ["featureFlagColumnstoreIndexes"], true /* checkAllNodes */) &&
     setUpServerForColumnStoreIndexTest(db);
 
 const collName = "hidden_index";
diff --git a/jstests/core/index/index_filter_commands.js b/jstests/core/index/index_filter_commands.js
index 1272cb2fd19..429a79adea8 100644
--- a/jstests/core/index/index_filter_commands.js
+++ b/jstests/core/index/index_filter_commands.js
@@ -33,7 +33,8 @@
  *   assumes_read_preference_unchanged,
  *   assumes_unsharded_collection,
  *   does_not_support_stepdowns,
- *   requires_fcv_60
+ *   # The SBE plan cache was first enabled in 6.3.
+ *   requires_fcv_63,
  * ]
  */
 
@@ -344,7 +345,7 @@ assert.commandFailed(
 filters = getFilters();
 assert.eq(0, filters.length, tojson(filters));
 
-if (checkSBEEnabled(db, ["featureFlagSbeFull"], true /* checkAllNodes */)) {
+if (checkSBEEnabled(db)) {
     //
     // Test that planCacheSetFilter doesn't apply to the inner side of a $lookup.
     //
diff --git a/jstests/core/index/index_filter_commands_invalidate_plan_cache_entries.js b/jstests/core/index/index_filter_commands_invalidate_plan_cache_entries.js
index 059241284ac..bc2dc74c0e1 100644
--- a/jstests/core/index/index_filter_commands_invalidate_plan_cache_entries.js
+++ b/jstests/core/index/index_filter_commands_invalidate_plan_cache_entries.js
@@ -27,7 +27,7 @@ load("jstests/libs/sbe_util.js");      // For checkSBEEnabled.
 
 // For testing convenience this variable is made an integer "1" if SBE is fully enabled, because the
 // expected amount of plan cache entries differs between the SBE plan cache and the classic one.
-const isSbeEnabled = checkSBEEnabled(db, ["featureFlagSbeFull"]) ? 1 : 0;
+const isSbeEnabled = checkSBEEnabled(db) ? 1 : 0;
 
 const collName = "index_filter_commands_invalidate_plan_cache_entries";
 const coll = db[collName];
diff --git a/jstests/core/index/indexj.js b/jstests/core/index/indexj.js
index 3023b661e59..93034fec923 100644
--- a/jstests/core/index/indexj.js
+++ b/jstests/core/index/indexj.js
@@ -7,12 +7,15 @@
 //   # Different assertions are made depending on whether SBE or classic is used. Implicitly
 //   # creating an index can change which engine is used.
 //   assumes_no_implicit_index_creation,
+//   # This test assumes that either SBE or classic is fully enabled and that we're not running in
+//   # a mixed version cluster.
+//   requires_fcv_63,
 // ]
 
 (function() {
 "use strict";
 
-load("jstests/libs/sbe_explain_helpers.js");  // For engineSpecificAssertion.
+load("jstests/libs/sbe_util.js");  // For 'checkSBEEnabled'.
 const t = db[jsTestName()];
 t.drop();
 
@@ -56,42 +59,39 @@ assert.commandWorked(t.insert({a: 2, b: 2}));
 // SBE or the classic engine. This is because the classic engine will use a multi-interval index
 // scan whereas SBE will decompose the intervals into a set of single-interval bounds and will end
 // up examining 0 keys.
-let assertFn = function(expectedKeys, numKeysExamined) {
-    return numKeysExamined === expectedKeys;
-};
+const isSBEEnabled = checkSBEEnabled(db);
+let expectedKeys = isSBEEnabled ? 0 : 3;
 let errMsg = function(actualNumKeys) {
     return "Chosen plan examined " + actualNumKeys + " keys";
 };
-let sbeAssert = actualKeys => assertFn(0, actualKeys);
-let classicAssert = actualKeys => assertFn(3, actualKeys);
 let numKeys = keysExamined({a: {$in: [1, 2]}, b: {$gt: 1, $lt: 2}}, {a: 1, b: 1});
-engineSpecificAssertion(classicAssert(numKeys), sbeAssert(numKeys), db, errMsg(numKeys));
+assert.eq(numKeys, expectedKeys, errMsg(numKeys));
 numKeys = keysExamined({a: {$in: [1, 2]}, b: {$gt: 1, $lt: 2}}, {a: 1, b: 1}, {a: -1, b: -1});
-engineSpecificAssertion(classicAssert(numKeys), sbeAssert(numKeys), db, errMsg(numKeys));
+assert.eq(numKeys, expectedKeys, errMsg(numKeys));
 
 assert.commandWorked(t.insert({a: 1, b: 1}));
 assert.commandWorked(t.insert({a: 1, b: 1}));
 numKeys = keysExamined({a: {$in: [1, 2]}, b: {$gt: 1, $lt: 2}}, {a: 1, b: 1});
-engineSpecificAssertion(classicAssert(numKeys), sbeAssert(numKeys), db, errMsg(numKeys));
+assert.eq(numKeys, expectedKeys, errMsg(numKeys));
 numKeys = keysExamined({a: {$in: [1, 2]}, b: {$gt: 1, $lt: 2}}, {a: 1, b: 1});
-engineSpecificAssertion(classicAssert(numKeys), sbeAssert(numKeys), db, errMsg(numKeys));
+assert.eq(numKeys, expectedKeys, errMsg(numKeys));
 numKeys = keysExamined({a: {$in: [1, 2]}, b: {$gt: 1, $lt: 2}}, {a: 1, b: 1}, {a: -1, b: -1});
-engineSpecificAssertion(classicAssert(numKeys), sbeAssert(numKeys), db, errMsg(numKeys));
+assert.eq(numKeys, expectedKeys, errMsg(numKeys));
 
 // We examine one less key in the classic engine because the bounds are slightly tighter.
-classicAssert = actualKeys => assertFn(2, actualKeys);
-numKeys = keysExamined({a: {$in: [1, 1.9]}, b: {$gt: 1, $lt: 2}}, {a: 1, b: 1});
-engineSpecificAssertion(classicAssert(numKeys), sbeAssert(numKeys), db, errMsg(numKeys));
+if (!isSBEEnabled) {
+    expectedKeys = 2;
+}
 
+numKeys = keysExamined({a: {$in: [1, 1.9]}, b: {$gt: 1, $lt: 2}}, {a: 1, b: 1});
+assert.eq(numKeys, expectedKeys, errMsg(numKeys));
 numKeys = keysExamined({a: {$in: [1.1, 2]}, b: {$gt: 1, $lt: 2}}, {a: 1, b: 1}, {a: -1, b: -1});
-engineSpecificAssertion(classicAssert(numKeys), sbeAssert(numKeys), db, errMsg(numKeys));
-
+assert.eq(numKeys, expectedKeys, errMsg(numKeys));
 assert.commandWorked(t.insert({a: 1, b: 1.5}));
 
 // We examine one extra key in both engines because we've inserted a document that falls within
 // both sets of bounds being scanned.
-sbeAssert = actualKeys => assertFn(1, actualKeys);
-classicAssert = actualKeys => assertFn(4, actualKeys);
+expectedKeys = isSBEEnabled ? 1 : 4;
 numKeys = keysExamined({a: {$in: [1, 2]}, b: {$gt: 1, $lt: 2}}, {a: 1, b: 1});
-engineSpecificAssertion(classicAssert(numKeys), sbeAssert(numKeys), db, errMsg(numKeys));
+assert.eq(numKeys, expectedKeys, errMsg(numKeys));
 })();
diff --git a/jstests/core/index/wildcard/wildcard_index_cached_plans.js b/jstests/core/index/wildcard/wildcard_index_cached_plans.js
index f3a41f5361e..5e78a11d451 100644
--- a/jstests/core/index/wildcard/wildcard_index_cached_plans.js
+++ b/jstests/core/index/wildcard/wildcard_index_cached_plans.js
@@ -34,7 +34,7 @@ coll.drop();
 assert.commandWorked(coll.createIndex({"b.$**": 1}));
 assert.commandWorked(coll.createIndex({"a": 1}));
 
-const isSbeEnabled = checkSBEEnabled(db, ["featureFlagSbeFull"]);
+const isSbeEnabled = checkSBEEnabled(db);
 
 // In order for the plan cache to be used, there must be more than one plan available. Insert
 // data into the collection such that the b.$** index will be far more selective than the index
diff --git a/jstests/core/query/explode_for_sort_plan_cache.js b/jstests/core/query/explode_for_sort_plan_cache.js
index 3d489ad9d54..2da78284a6a 100644
--- a/jstests/core/query/explode_for_sort_plan_cache.js
+++ b/jstests/core/query/explode_for_sort_plan_cache.js
@@ -11,7 +11,7 @@
  *   # If all chunks are moved off of a shard, it can cause the plan cache to miss commands.
  *   assumes_balancer_off,
  *   assumes_unsharded_collection,
- *   requires_fcv_62,
+ *   requires_fcv_63,
  *   # Plan cache state is node-local and will not get migrated alongside tenant data.
  *   tenant_migration_incompatible,
  *   # Part of this test does different checks depending on the engine used.  If an implicit index
@@ -65,7 +65,7 @@ const sortSpec = {
 
 // TODO SERVER-67576: remove this branch once explode for sort plans are supported by the SBE plan
 // cache.
-if (checkSBEEnabled(db, ["featureFlagSbeFull"])) {
+if (checkSBEEnabled(db)) {
     // Run the query for the first time and make sure the plan hasn't been cached.
     assert.eq(0, coll.find(querySpec).sort(sortSpec).itcount());
     assertCacheEntryDoesNotExist(querySpec, sortSpec);
diff --git a/jstests/core/query/expr/expr_index_use.js b/jstests/core/query/expr/expr_index_use.js
index a0f85bc69c9..2eadaf645be 100644
--- a/jstests/core/query/expr/expr_index_use.js
+++ b/jstests/core/query/expr/expr_index_use.js
@@ -1,6 +1,7 @@
 // Confirms expected index use when performing a match with a $expr statement.
 // @tags: [
 //   assumes_read_concern_local,
+//   requires_fcv_63,
 // ]
 
 (function() {
@@ -92,10 +93,7 @@ function confirmExpectedExprExecution(expr, metricsToCheck, collation) {
     ];
     assert.eq(metricsToCheck.nReturned, coll.aggregate(pipelineWithProject, aggOptions).itcount());
     let explain = coll.explain("executionStats").aggregate(pipelineWithProject, aggOptions);
-    assert(getAggPlanStage(explain, "COLLSCAN", isSBEEnabled /* useQueryPlannerSection */) ||
-               checkBothEnginesAreRunOnCluster(db) &&
-                   (getAggPlanStage(explain, "COLLSCAN", false /* useQueryPlannerSection */) ||
-                    getAggPlanStage(explain, "COLLSCAN", true /* useQueryPlannerSection */)),
+    assert(getAggPlanStage(explain, "COLLSCAN", isSBEEnabled /* useQueryPlannerSection */),
            explain);
 
     // Verifies that there are no rejected plans, and that the winning plan uses the expected
diff --git a/jstests/core/query/idhack.js b/jstests/core/query/idhack.js
index e60bd9c8a50..1ddab70d4cd 100644
--- a/jstests/core/query/idhack.js
+++ b/jstests/core/query/idhack.js
@@ -61,8 +61,7 @@ winningPlan = getWinningPlan(explain.queryPlanner);
 assert(!isIdhack(db, winningPlan), winningPlan);
 
 // Covered query returning _id field only can be handled by ID hack.
-const isSbeEnabled = checkSBEEnabled(db, ["featureFlagSbeFull"]);
-const parentStage = isSbeEnabled ? "PROJECTION_COVERED" : "FETCH";
+const parentStage = checkSBEEnabled(db) ? "PROJECTION_COVERED" : "FETCH";
 explain = t.find(query, {_id: 1}).explain();
 winningPlan = getWinningPlan(explain.queryPlanner);
 assert(isIdhack(db, winningPlan), winningPlan);
diff --git a/jstests/core/query/null_query_semantics.js b/jstests/core/query/null_query_semantics.js
index a99741853d2..71cd4b7c84f 100644
--- a/jstests/core/query/null_query_semantics.js
+++ b/jstests/core/query/null_query_semantics.js
@@ -790,8 +790,8 @@ const keyPatterns = [
 ];
 
 // Include Columnstore Index only if FF is enabled and collection is not clustered.
-const columnstoreEnabled = checkSBEEnabled(
-    db, ["featureFlagColumnstoreIndexes", "featureFlagSbeFull"], true /* checkAllNodes */);
+const columnstoreEnabled =
+    checkSBEEnabled(db, ["featureFlagColumnstoreIndexes"], true /* checkAllNodes */);
 if (columnstoreEnabled && setUpServerForColumnStoreIndexTest(db)) {
     keyPatterns.push({keyPattern: {"$**": "columnstore"}});
 }
diff --git a/jstests/core/query/or/or_to_in.js b/jstests/core/query/or/or_to_in.js
index 5d3c745dc95..681e2af9e2a 100644
--- a/jstests/core/query/or/or_to_in.js
+++ b/jstests/core/query/or/or_to_in.js
@@ -4,6 +4,7 @@
 // This test is not prepared to handle explain output for sharded collections.
 // @tags: [
 //   assumes_unsharded_collection,
+//   requires_fcv_63,
 // ]
 
 (function() {
@@ -11,7 +12,6 @@
 
 load("jstests/aggregation/extras/utils.js");  // For assertArrayEq.
 load("jstests/libs/analyze_plan.js");
-load("jstests/libs/sbe_util.js");  // For checkBothEnginesAreRunOnCluster.
 
 var coll = db.orToIn;
 coll.drop();
@@ -48,9 +48,7 @@ function assertEquivPlanAndResult(expectedQuery, actualQuery, supportWithCollati
     // Make sure both queries have the same access plan.
     const expectedPlan = getWinningPlan(expectedExplain.queryPlanner);
     const actualPlan = getWinningPlan(actualExplain.queryPlanner);
-    if (!checkBothEnginesAreRunOnCluster(db)) {
-        assert.docEq(expectedPlan, actualPlan);
-    }
+    assert.docEq(expectedPlan, actualPlan);
 
     // The queries must produce the same result.
     const expectedRes = coll.find(expectedQuery).toArray();
diff --git a/jstests/core/query/plan_cache/cached_plan_trial_does_not_discard_work.js b/jstests/core/query/plan_cache/cached_plan_trial_does_not_discard_work.js
index f83b9e6a817..941ec0106b5 100644
--- a/jstests/core/query/plan_cache/cached_plan_trial_does_not_discard_work.js
+++ b/jstests/core/query/plan_cache/cached_plan_trial_does_not_discard_work.js
@@ -12,7 +12,8 @@
 //   assumes_read_preference_unchanged,
 //   assumes_unsharded_collection,
 //   does_not_support_stepdowns,
-//   requires_fcv_52,
+//   # The SBE plan cache was first enabled in 6.3.
+//   requires_fcv_63,
 //   requires_profiling,
 //   # Plan cache state is node-local and will not get migrated alongside tenant data.
 //   tenant_migration_incompatible,
@@ -25,7 +26,7 @@
 load("jstests/libs/profiler.js");  // getLatestProfileEntry.
 load("jstests/libs/sbe_util.js");  // For checkSBEEnabled.
 
-if (!checkSBEEnabled(db, ["featureFlagSbeFull"])) {
+if (!checkSBEEnabled(db)) {
     jsTestLog("Skipping test because SBE is disabled");
     return;
 }
diff --git a/jstests/core/query/plan_cache/collation_plan_cache.js b/jstests/core/query/plan_cache/collation_plan_cache.js
index da6c2f08081..99e983dd2fa 100644
--- a/jstests/core/query/plan_cache/collation_plan_cache.js
+++ b/jstests/core/query/plan_cache/collation_plan_cache.js
@@ -20,7 +20,6 @@
 load("jstests/libs/analyze_plan.js");  // For getPlanCacheKeyFromExplain.
 load("jstests/libs/sbe_util.js");      // For checkSBEEnabled.
 
-const isSbeEnabled = checkSBEEnabled(db, ["featureFlagSbeFull"]);
 var coll = db.collation_plan_cache;
 coll.drop();
 
@@ -54,6 +53,8 @@ assert.commandWorked(
 // The query shape should have been added.
 var shapes = coll.aggregate([{$planCacheStats: {}}]).toArray();
 assert.eq(1, shapes.length, 'unexpected cache size after running query');
+
+const isSbeEnabled = checkSBEEnabled(db);
 if (!isSbeEnabled) {
     assert.eq(shapes[0].createdFromQuery.query, {a: 'foo', b: 5}, shapes);
     assert.eq(shapes[0].createdFromQuery.sort, {}, shapes);
diff --git a/jstests/core/query/plan_cache/plan_cache_clear.js b/jstests/core/query/plan_cache/plan_cache_clear.js
index 7aee144bc89..d03330ab08e 100644
--- a/jstests/core/query/plan_cache/plan_cache_clear.js
+++ b/jstests/core/query/plan_cache/plan_cache_clear.js
@@ -15,6 +15,8 @@
 //   assumes_unsharded_collection,
 //   # Plan cache state is node-local and will not get migrated alongside tenant data.
 //   tenant_migration_incompatible,
+//   # The SBE plan cache was first enabled in 6.3.
+//   requires_fcv_63,
 //   # TODO SERVER-67607: Test plan cache with CQF enabled.
 //   cqf_incompatible,
 // ]
@@ -104,7 +106,7 @@ const nonExistentColl = db.plan_cache_clear_nonexistent;
 nonExistentColl.drop();
 assert.commandWorked(nonExistentColl.runCommand('planCacheClear'));
 
-if (checkSBEEnabled(db, ["featureFlagSbeFull"], true /* checkAllNodes */)) {
+if (checkSBEEnabled(db)) {
     // Plan cache commands should work against the main collection only, not foreignColl
     // collections, when $lookup is pushed down into SBE.
     const foreignColl = db.plan_cache_clear_foreign;
diff --git a/jstests/core/query/plan_cache/plan_cache_list_plans.js b/jstests/core/query/plan_cache/plan_cache_list_plans.js
index 6521aac3448..b0f7a24c615 100644
--- a/jstests/core/query/plan_cache/plan_cache_list_plans.js
+++ b/jstests/core/query/plan_cache/plan_cache_list_plans.js
@@ -29,7 +29,7 @@ load("jstests/libs/sbe_util.js");      // For checkSBEEnabled.
 let coll = db.jstests_plan_cache_list_plans;
 coll.drop();
 
-const isSbeEnabled = checkSBEEnabled(db, ["featureFlagSbeFull"]);
+const isSbeEnabled = checkSBEEnabled(db);
 
 function dumpPlanCacheState() {
     return coll.aggregate([{$planCacheStats: {}}]).toArray();
diff --git a/jstests/core/query/plan_cache/plan_cache_list_shapes.js b/jstests/core/query/plan_cache/plan_cache_list_shapes.js
index 7d348cc21a2..48535eae0c3 100644
--- a/jstests/core/query/plan_cache/plan_cache_list_shapes.js
+++ b/jstests/core/query/plan_cache/plan_cache_list_shapes.js
@@ -20,8 +20,8 @@
 'use strict';
 load("jstests/libs/sbe_util.js");  // For checkSBEEnabled.
 
-if (checkSBEEnabled(db, ["featureFlagSbeFull"])) {
-    jsTest.log("Skipping test because SBE is fully enabled.");
+if (checkSBEEnabled(db)) {
+    jsTest.log("Skipping test because SBE is enabled.");
     return;
 }
 
diff --git a/jstests/core/query/plan_cache/plan_cache_sbe.js b/jstests/core/query/plan_cache/plan_cache_sbe.js
index aeb0609246c..2a35b786d70 100644
--- a/jstests/core/query/plan_cache/plan_cache_sbe.js
+++ b/jstests/core/query/plan_cache/plan_cache_sbe.js
@@ -12,8 +12,8 @@
  *   assumes_read_concern_unchanged,
  *   assumes_read_preference_unchanged,
  *   assumes_unsharded_collection,
- *   # The SBE plan cache was introduced in 6.0.
- *   requires_fcv_60,
+ *   # The SBE plan cache was first enabled in 6.3.
+ *   requires_fcv_63,
  *   # Plan cache state is node-local and will not get migrated alongside tenant data.
  *   tenant_migration_incompatible,
  *   # TODO SERVER-67607: Test plan cache with CQF enabled.
@@ -30,7 +30,7 @@ load("jstests/libs/sbe_util.js");  // For checkSBEEnabled.
 
 const coll = db.plan_cache_sbe;
 coll.drop();
-const isSbeEnabled = checkSBEEnabled(db, ["featureFlagSbeFull"], true /* checkAllNodes */);
+const isSbeEnabled = checkSBEEnabled(db);
 
 assert.commandWorked(coll.insert({a: 1, b: 1}));
 
diff --git a/jstests/core/query/plan_cache/plan_cache_shell_helpers.js b/jstests/core/query/plan_cache/plan_cache_shell_helpers.js
index b663e09e90b..a102d8a001d 100644
--- a/jstests/core/query/plan_cache/plan_cache_shell_helpers.js
+++ b/jstests/core/query/plan_cache/plan_cache_shell_helpers.js
@@ -21,7 +21,7 @@ load('jstests/aggregation/extras/utils.js');  // For assertArrayEq.
 load("jstests/libs/analyze_plan.js");         // For getPlanCacheKeyFromShape.
 load("jstests/libs/sbe_util.js");             // For checkSBEEnabled.
 
-const isSbeEnabled = checkSBEEnabled(db, ["featureFlagSbeFull"]);
+const isSbeEnabled = checkSBEEnabled(db);
 var coll = db.jstests_plan_cache_shell_helpers;
 coll.drop();
 
diff --git a/jstests/core/query/project/projection_expr_mod.js b/jstests/core/query/project/projection_expr_mod.js
index aa882d190b5..a8f2905bce5 100644
--- a/jstests/core/query/project/projection_expr_mod.js
+++ b/jstests/core/query/project/projection_expr_mod.js
@@ -4,14 +4,7 @@
 "use strict";
 
 load("jstests/aggregation/extras/utils.js");  // For assertArrayEq.
-load("jstests/libs/sbe_util.js");             // For checkSBEEnabled.
-
-const isSBEEnabled = checkSBEEnabledOnSomeNode(db);
-if (isSBEEnabled) {
-    // Override error-code-checking APIs. We only load this when SBE is explicitly enabled, because
-    // it causes failures in the parallel suites.
-    load("jstests/libs/sbe_assert_error_override.js");
-}
+load("jstests/libs/sbe_assert_error_override.js");
 
 const coll = db.projection_expr_mod;
 coll.drop();
diff --git a/jstests/core/query/project/projection_semantics.js b/jstests/core/query/project/projection_semantics.js
index cf71f951755..1f811c84b36 100644
--- a/jstests/core/query/project/projection_semantics.js
+++ b/jstests/core/query/project/projection_semantics.js
@@ -6,7 +6,8 @@
  *   # We could potentially need to resume an index build in the event of a stepdown, which is not
  *   # yet implemented.
  *   does_not_support_stepdowns,
- *   requires_fcv_62,
+ *   # Columnstore indexes were first enabled by default on 6.3.
+ *   requires_fcv_63,
  *   # Columnstore tests set server parameters to disable columnstore query planning heuristics -
  *   # server parameters are stored in-memory only so are not transferred onto the recipient.
  *   tenant_migration_incompatible,
@@ -19,7 +20,7 @@
 load("jstests/libs/sbe_util.js");          // For checkSBEEnabled.
 load("jstests/libs/columnstore_util.js");  // For setUpServerForColumnStoreIndexTest.
 
-if (!checkSBEEnabled(db, ["featureFlagColumnstoreIndexes", "featureFlagSbeFull"])) {
+if (!checkSBEEnabled(db, ["featureFlagColumnstoreIndexes"])) {
     jsTestLog("Skipping test since columnstore Indexes are not enabled");
     return;
 }
diff --git a/jstests/core/query/query_hash_stability.js b/jstests/core/query/query_hash_stability.js
index aa0a3399e70..c358f1c7d34 100644
--- a/jstests/core/query/query_hash_stability.js
+++ b/jstests/core/query/query_hash_stability.js
@@ -112,7 +112,7 @@ assertPlanCacheField({
 
 // SBE's planCacheKey encoding encodes "collection version" which will be increased after dropping
 // an index.
-if (!checkSBEEnabled(db, ["featureFlagSbeFull"])) {
+if (!checkSBEEnabled(db)) {
     // The 'planCacheKey' should be the same as what it was before we dropped the index.
     assertPlanCacheField({
         firstExplain: initialExplain,
diff --git a/jstests/core/sbe/from_plan_cache_flag.js b/jstests/core/sbe/from_plan_cache_flag.js
index ef910b42513..15fee88f73c 100644
--- a/jstests/core/sbe/from_plan_cache_flag.js
+++ b/jstests/core/sbe/from_plan_cache_flag.js
@@ -1,8 +1,10 @@
-// The test runs commands that are not allowed with security token: setProfilingLevel.
 // @tags: [
+//   # The test runs commands that are not allowed with security token: setProfilingLevel.
 //   not_allowed_with_security_token,
 //   requires_profiling,
 //   does_not_support_stepdowns,
+//   # The SBE plan cache was first enabled in 6.3.
+//   requires_fcv_63,
 //   # TODO SERVER-67607: Test plan cache with CQF enabled.
 //   cqf_incompatible,
 // ]
@@ -14,7 +16,7 @@ load("jstests/libs/sbe_util.js");  // For checkSBEEnabled.
 load("jstests/libs/profiler.js");  // For getLatestProfilerEntry.
 load("jstests/libs/sbe_util.js");  // For checkSBEEnabled.
 
-if (!checkSBEEnabled(db, ["featureFlagSbeFull"], true /* checkAllNodes */)) {
+if (!checkSBEEnabled(db)) {
     jsTest.log("Skip running the test because SBE is not enabled");
     return;
 }
@@ -33,11 +35,6 @@ assert.commandWorked(coll.insert({a: 2}));
 let pipeline = {$match: {a: 1}};
 coll.aggregate([pipeline]).toArray();
 let profileObj = getLatestProfilerEntry(testDB);
-/* fromPlanCache can be undefined in the profiler entry. The first ! determines the
- * profileObj.fromPlanCache value's associated true/false value (important in the case where
- * undefined) and then returns the opposite of the associated true/false value. The second !
- * returns the opposite of the opposite value. In other words, the !! returns the boolean true/false
- * association of a value.  */
 assert.eq(!!profileObj.fromPlanCache, false);
 
 coll.aggregate({$match: {a: 2}}).toArray();
diff --git a/jstests/core/sbe/plan_cache_sbe_with_or_queries.js b/jstests/core/sbe/plan_cache_sbe_with_or_queries.js
index a4c474c82bd..f4a90d42dc1 100644
--- a/jstests/core/sbe/plan_cache_sbe_with_or_queries.js
+++ b/jstests/core/sbe/plan_cache_sbe_with_or_queries.js
@@ -7,7 +7,8 @@
 //   assumes_read_concern_unchanged,
 //   assumes_unsharded_collection,
 //   does_not_support_stepdowns,
-//   requires_fcv_60,
+//   # The SBE plan cache was first enabled in 6.3.
+//   requires_fcv_63,
 //   # Plan cache state is node-local and will not get migrated alongside tenant data.
 //   tenant_migration_incompatible,
 //   # TODO SERVER-67607: Test plan cache with CQF enabled.
@@ -20,7 +21,7 @@
 load("jstests/libs/analyze_plan.js");
 load("jstests/libs/sbe_util.js");  // For checkSBEEnabled.
 
-if (!checkSBEEnabled(db, ["featureFlagSbeFull"], true /* checkAllNodes */)) {
+if (!checkSBEEnabled(db)) {
     jsTest.log("Skip running the test because SBE is not enabled");
     return;
 }
diff --git a/jstests/core/sbe/sbe_explain_rejected_plans.js b/jstests/core/sbe/sbe_explain_rejected_plans.js
index 0e858cfd48c..a6ae2575186 100644
--- a/jstests/core/sbe/sbe_explain_rejected_plans.js
+++ b/jstests/core/sbe/sbe_explain_rejected_plans.js
@@ -1,6 +1,9 @@
 /**
  * Tests that SBE reports correct rejected plans when calling explain().
- * @tags: [assumes_unsharded_collection, requires_fcv_62]
+ * @tags: [
+ *    assumes_unsharded_collection,
+ *    requires_fcv_63,
+ * ]
  */
 (function() {
 "use strict";
@@ -9,9 +12,9 @@ load("jstests/libs/analyze_plan.js");
 load("jstests/libs/collection_drop_recreate.js");
 load("jstests/libs/sbe_util.js");  // For 'checkSBEEnabled'.
 
-const isSBEEnabled = checkSBEEnabled(db, ["featureFlagSbeFull"]);
+const isSBEEnabled = checkSBEEnabled(db);
 if (!isSBEEnabled) {
-    jsTestLog("Skipping test because the SBE feature flag is disabled");
+    jsTestLog("Skipping test because SBE is disabled");
     return;
 }
 
diff --git a/jstests/core/sbe/sbe_ixscan_explain.js b/jstests/core/sbe/sbe_ixscan_explain.js
index fee902af2b8..d79b8a209fc 100644
--- a/jstests/core/sbe/sbe_ixscan_explain.js
+++ b/jstests/core/sbe/sbe_ixscan_explain.js
@@ -3,7 +3,8 @@
 //
 // @tags: [
 //   assumes_against_mongod_not_mongos,
-//   requires_fcv_51,
+//   # The SBE plan cache was first enabled in 6.3.
+//   requires_fcv_63,
 // ]
 
 (function() {
@@ -12,9 +13,9 @@
 load('jstests/libs/analyze_plan.js');  // For getPlanStages
 load("jstests/libs/sbe_util.js");      // For checkSBEEnabled.
 
-const isSBEEnabled = checkSBEEnabled(db, ["featureFlagSbeFull"], true /* checkAllNodes */);
+const isSBEEnabled = checkSBEEnabled(db);
 if (!isSBEEnabled) {
-    jsTestLog("Skipping test because the SBE feature flag is disabled");
+    jsTestLog("Skipping test because SBE is disabled");
     return;
 }
 
diff --git a/jstests/core/sbe_plan_cache_autoparameterize_collscan.js b/jstests/core/sbe_plan_cache_autoparameterize_collscan.js
index f5be457ce99..3294846e3bd 100644
--- a/jstests/core/sbe_plan_cache_autoparameterize_collscan.js
+++ b/jstests/core/sbe_plan_cache_autoparameterize_collscan.js
@@ -7,8 +7,8 @@
  *   assumes_read_preference_unchanged,
  *   assumes_unsharded_collection,
  *   does_not_support_stepdowns,
- *   # The SBE plan cache was introduced in 6.0.
- *   requires_fcv_60,
+ *   # The SBE plan cache was enabled by default in 6.3.
+ *   requires_fcv_63,
  *   # Plan cache state is node-local and will not get migrated alongside tenant data.
  *   tenant_migration_incompatible,
  *   # TODO SERVER-67607: Test plan cache with CQF enabled.
@@ -24,9 +24,9 @@ load("jstests/libs/analyze_plan.js");
 load("jstests/libs/sbe_util.js");
 
 // This test is specifically verifying the behavior of the SBE plan cache, which is only enabled
-// when 'featureFlagSbeFull' is on.
-if (!checkSBEEnabled(db, ["featureFlagSbeFull"], true /* checkAllNodes */)) {
-    jsTestLog("Skipping test because SBE is not fully enabled");
+// when SBE is enabled.
+if (!checkSBEEnabled(db)) {
+    jsTestLog("Skipping test because SBE is not enabled");
     return;
 }
 
@@ -305,32 +305,35 @@ runTest({query: {a: {$exists: true}}, projection: {_id: 1}},
         false);
 
 // Test that comparisons expressed as $expr are not auto-parameterized.
-runTest({query: {$expr: {$eq: ["$a", 3]}}, projection: {_id: 1}},
-        [{_id: 2}],
-        {query: {$expr: {$eq: ["$a", 4]}}, projection: {_id: 1}},
-        [{_id: 3}, {_id: 4}],
-        false);
-runTest({query: {$expr: {$lt: ["$a", 3]}, a: {$type: "number"}}, projection: {_id: 1}},
-        [{_id: 0}, {_id: 1}],
-        {query: {$expr: {$lt: ["$a", 4]}, a: {$type: "number"}}, projection: {_id: 1}},
-        [{_id: 0}, {_id: 1}, {_id: 2}],
-        false);
-runTest({query: {$expr: {$lte: ["$a", 3]}, a: {$type: "number"}}, projection: {_id: 1}},
-        [{_id: 0}, {_id: 1}, {_id: 2}],
-        {query: {$expr: {$lte: ["$a", 4]}, a: {$type: "number"}}, projection: {_id: 1}},
-        [{_id: 0}, {_id: 1}, {_id: 2}, {_id: 3}, {_id: 4}],
-        false);
-runTest({query: {$expr: {$gt: ["$a", 2]}, a: {$type: "number"}}, projection: {_id: 1}},
-        [{_id: 2}, {_id: 3}, {_id: 4}, {_id: 5}, {_id: 6}],
-        {query: {$expr: {$gt: ["$a", 3]}, a: {$type: "number"}}, projection: {_id: 1}},
-        [{_id: 3}, {_id: 4}, {_id: 5}, {_id: 6}],
-        false);
-runTest({query: {$expr: {$gte: ["$a", 2]}, a: {$type: "number"}}, projection: {_id: 1}},
-        [{_id: 1}, {_id: 2}, {_id: 3}, {_id: 4}, {_id: 5}, {_id: 6}],
-        {query: {$expr: {$gte: ["$a", 3]}, a: {$type: "number"}}, projection: {_id: 1}},
-        [{_id: 2}, {_id: 3}, {_id: 4}, {_id: 5}, {_id: 6}],
-        false);
-
+if (checkSBEEnabled(db, ["featureFlagSbeFull"])) {
+    runTest({query: {$expr: {$eq: ["$a", 3]}}, projection: {_id: 1}},
+            [{_id: 2}],
+            {query: {$expr: {$eq: ["$a", 4]}}, projection: {_id: 1}},
+            [{_id: 3}, {_id: 4}],
+            false);
+    runTest({query: {$expr: {$lt: ["$a", 3]}, a: {$type: "number"}}, projection: {_id: 1}},
+            [{_id: 0}, {_id: 1}],
+            {query: {$expr: {$lt: ["$a", 4]}, a: {$type: "number"}}, projection: {_id: 1}},
+            [{_id: 0}, {_id: 1}, {_id: 2}],
+            false);
+    runTest({query: {$expr: {$lte: ["$a", 3]}, a: {$type: "number"}}, projection: {_id: 1}},
+            [{_id: 0}, {_id: 1}, {_id: 2}],
+            {query: {$expr: {$lte: ["$a", 4]}, a: {$type: "number"}}, projection: {_id: 1}},
+            [{_id: 0}, {_id: 1}, {_id: 2}, {_id: 3}, {_id: 4}],
+            false);
+    runTest({query: {$expr: {$gt: ["$a", 2]}, a: {$type: "number"}}, projection: {_id: 1}},
+            [{_id: 2}, {_id: 3}, {_id: 4}, {_id: 5}, {_id: 6}],
+            {query: {$expr: {$gt: ["$a", 3]}, a: {$type: "number"}}, projection: {_id: 1}},
+            [{_id: 3}, {_id: 4}, {_id: 5}, {_id: 6}],
+            false);
+    runTest({query: {$expr: {$gte: ["$a", 2]}, a: {$type: "number"}}, projection: {_id: 1}},
+            [{_id: 1}, {_id: 2}, {_id: 3}, {_id: 4}, {_id: 5}, {_id: 6}],
+            {query: {$expr: {$gte: ["$a", 3]}, a: {$type: "number"}}, projection: {_id: 1}},
+            [{_id: 2}, {_id: 3}, {_id: 4}, {_id: 5}, {_id: 6}],
+            false);
+} else {
+    jsTestLog("Skipping $expr test cases because SBE is not fully enabled");
+}
 // Test that the entire list of $in values is treated as a parameter.
 runTest({query: {a: {$in: [1, 2]}}, projection: {_id: 1}},
         [{_id: 0}, {_id: 1}],
diff --git a/jstests/cqf/analyze/scalar_histograms.js b/jstests/cqf/analyze/scalar_histograms.js
index 7777880a1f8..3ca38f88f89 100644
--- a/jstests/cqf/analyze/scalar_histograms.js
+++ b/jstests/cqf/analyze/scalar_histograms.js
@@ -2,18 +2,12 @@
 "use strict";
 
 load("jstests/libs/optimizer_utils.js");  // For checkCascadesOptimizerEnabled.
-load("jstests/libs/sbe_util.js");         // For checkSBEEnabled.
 
 if (!checkCascadesOptimizerEnabled(db)) {
     jsTestLog("Skipping test because the optimizer is not enabled");
     return;
 }
 
-if (checkSBEEnabled(db, ["featureFlagSbeFull"], true)) {
-    jsTestLog("Skipping the test because it doesn't work in Full SBE");
-    return;
-}
-
 assert.commandWorked(
     db.adminCommand({setParameter: 1, internalQueryFrameworkControl: "tryBonsai"}));
 
diff --git a/jstests/libs/parallelTester.js b/jstests/libs/parallelTester.js
index bff2dc5fb43..20ba30354fc 100644
--- a/jstests/libs/parallelTester.js
+++ b/jstests/libs/parallelTester.js
@@ -253,6 +253,15 @@ if (typeof _threadInject != "undefined") {
             // inMemory storage engine.
             "timeseries/timeseries_compact.js",
 
+            // TODO (SERVER-63228): Remove this exclusion once the feature flag is enabled by
+            // default.
+            "timeseries/timeseries_index_ttl_partial.js",
+
+            // These tests load 'sbe_assert_error_override.js' unconditionally, which causes
+            // failures in the parallel suite.
+            "computed_projections.js",
+            "query/project/projection_expr_mod.js",
+
             // TODO (SERVER-66393): Remove this exclusion once the feature flag is enabled by
             // default.
             "timeseries/timeseries_update_multi.js",
diff --git a/jstests/libs/sbe_explain_helpers.js b/jstests/libs/sbe_explain_helpers.js
index 994394c9abb..a405efc1ae5 100644
--- a/jstests/libs/sbe_explain_helpers.js
+++ b/jstests/libs/sbe_explain_helpers.js
@@ -41,24 +41,6 @@ function getSbePlanStages(queryLayerOutput, stage) {
 }
 
 /**
- * Helper to make an assertion depending on the engine being used. If we're in a mixed version
- * cluster, then we assert that either 'classicAssert' or 'sbeAssert' is true because the outcome
- * will depend on which node we're making assertions against. If we're not in a mixed version
- * scenario, then we make an assertion depending on the return value of 'checkSBEEnabled'.
- */
-function engineSpecificAssertion(classicAssert, sbeAssert, theDB, msg) {
-    if (checkBothEnginesAreRunOnCluster(theDB)) {
-        assert(classicAssert || sbeAssert, msg);
-    } else if (checkSBEEnabled(theDB, ["featureFlagSbeFull"])) {
-        // This function assumes that SBE is fully enabled, and will fall back to the classic
-        // assert if it is not.
-        assert(sbeAssert, msg);
-    } else {
-        assert(classicAssert, msg);
-    }
-}
-
-/**
  * Gets the query info object at either the top level or the first stage from a v2
  * explainOutput. If a query is a find query or some prefix stage(s) of a pipeline is pushed down to
  * SBE, then plan information will be in the 'queryPlanner' object. Currently, this supports find
diff --git a/jstests/libs/sbe_util.js b/jstests/libs/sbe_util.js
index 1508052cae0..90451a646f7 100644
--- a/jstests/libs/sbe_util.js
+++ b/jstests/libs/sbe_util.js
@@ -98,89 +98,3 @@ function checkSBEEnabled(theDB, featureFlags = [], checkAllNodes = false) {
 
     return checkResult;
 }
-
-/**
- * If 'theDB' corresponds to a node in a cluster, then returns true if the cluster that it
- * belongs to has at least one node that has SBE enabled and at least one node that has it
- * disabled; false otherwise.
- */
-function checkBothEnginesAreRunOnCluster(theDB) {
-    let result = false;
-    assert.soon(() => {
-        if (!FixtureHelpers.isMongos(theDB) && !FixtureHelpers.isReplSet(theDB)) {
-            return true;
-        }
-
-        // Retry the check if we fail to discover the topology (this can happen if the test
-        // suite has killed the primary).
-        let nodes;
-        try {
-            nodes = DiscoverTopology.findNonConfigNodes(theDB.getMongo());
-        } catch (e) {
-            return false;
-        }
-
-        let engineMap = {sbe: 0, classic: 0};
-
-        for (const node of nodes) {
-            // If we cannot contact a node because it was killed or is otherwise unreachable, we
-            // skip it and check the other nodes in the cluster. For our purposes, this is ok
-            // because test suites which step down/kill certain nodes are configured to use
-            // exactly one engine, whereas the test suites which are configured use both engines
-            // (namely, the multiversion suites), do not step down/kill nodes.
-            try {
-                const conn = new Mongo(node);
-                if (FixtureHelpers.isMongos(conn.getDB("admin"))) {
-                    continue;
-                }
-
-                const getParam = conn.adminCommand({
-                    getParameter: 1,
-                    internalQueryFrameworkControl: 1,
-                    internalQueryForceClassicEngine: 1,
-                    featureFlagSbeFull: 1,
-                });
-
-                if (getParam.hasOwnProperty("internalQueryFrameworkControl")) {
-                    // We say SBE is fully enabled if the engine is on and either
-                    // 'featureFlagSbeFull' doesn't exist on the targeted server, or it exists and
-                    // is set to true.
-                    if (getParam.internalQueryFrameworkControl !== "forceClassicEngine" &&
-                        getParam.featureFlagSbeFull.value) {
-                        engineMap.sbe++;
-                    } else {
-                        engineMap.classic++;
-                    }
-                } else {
-                    // 'internalQueryForceClassicEngine' should be set on the previous versions
-                    // before 'internalQueryFrameworkControl' is introduced.
-                    assert(getParam.hasOwnProperty("internalQueryForceClassicEngine"), getParam);
-                    if (!getParam.internalQueryForceClassicEngine.value &&
-                        getParam.featureFlagSbeFull.value) {
-                        engineMap.sbe++;
-                    } else {
-                        engineMap.classic++;
-                    }
-                }
-
-                result = (engineMap.sbe > 0 && engineMap.classic > 0);
-                if (result) {
-                    return true;
-                }
-            } catch (e) {
-                continue;
-            }
-        }
-
-        return true;
-    });
-
-    return result;
-}
-
-/**
- * Returns 'true' if SBE is enabled on at least on one node for the given connection 'db'.
- */
-function checkSBEEnabledOnSomeNode(db) {
-    return checkSBEEnabled(db) || checkBothEnginesAreRunOnCluster(db);
-}
diff --git a/jstests/noPassthrough/columnstore_index_rowstore_settings.js b/jstests/noPassthrough/columnstore_index_rowstore_settings.js
index 54f405cf7b7..22a2475cdc0 100644
--- a/jstests/noPassthrough/columnstore_index_rowstore_settings.js
+++ b/jstests/noPassthrough/columnstore_index_rowstore_settings.js
@@ -3,9 +3,8 @@
  * reconstruct the result of a query.
  *
  * @tags: [
- *   # column store indexes are still under a feature flag and require full sbe
- *   featureFlagColumnstoreIndexes,
- *   featureFlagSbeFull,
+ *   # column store indexes are still under a feature flag
+ *   featureFlagColumnstoreIndexes
  * ]
  */
 
diff --git a/jstests/noPassthrough/currentop_query.js b/jstests/noPassthrough/currentop_query.js
index 7b6be89d2d8..a3244f66343 100644
--- a/jstests/noPassthrough/currentop_query.js
+++ b/jstests/noPassthrough/currentop_query.js
@@ -79,7 +79,7 @@ function runTests({conn, currentOp, truncatedOps, localOps}) {
     const isLocalMongosCurOp = (FixtureHelpers.isMongos(testDB) && localOps);
     const isRemoteShardCurOp = (FixtureHelpers.isMongos(testDB) && !localOps);
 
-    const sbeEnabled = checkSBEEnabled(testDB, ["featureFlagSbeFull"]);
+    const sbeEnabled = checkSBEEnabled(testDB);
 
     // If 'truncatedOps' is true, run only the subset of tests designed to validate the
     // truncation behaviour. Otherwise, run the standard set of tests which assume that
diff --git a/jstests/noPassthrough/external_sort_find.js b/jstests/noPassthrough/external_sort_find.js
index befac93c5dc..a1505f129a3 100644
--- a/jstests/noPassthrough/external_sort_find.js
+++ b/jstests/noPassthrough/external_sort_find.js
@@ -21,7 +21,7 @@ assert.neq(null, conn, "mongod was unable to start up with options: " + tojson(o
 
 const testDb = conn.getDB("test");
 const collection = testDb.external_sort_find;
-const isSBEEnabled = checkSBEEnabled(testDb, ["featureFlagSbeFull"]);
+const isSBEEnabled = checkSBEEnabled(testDb);
 
 // Construct a document that is just over 1 kB.
 const charToRepeat = "-";
diff --git a/jstests/noPassthrough/log_and_profile_query_hash.js b/jstests/noPassthrough/log_and_profile_query_hash.js
index b31cfcfe0ad..65093194711 100644
--- a/jstests/noPassthrough/log_and_profile_query_hash.js
+++ b/jstests/noPassthrough/log_and_profile_query_hash.js
@@ -110,7 +110,7 @@ const testList = [
         test: function(db, comment) {
             assert.eq(200, db.test.find().comment(comment).itcount());
         },
-        hasPlanCacheKey: checkSBEEnabled(testDB, ["featureFlagSbeFull"])
+        hasPlanCacheKey: checkSBEEnabled(testDB)
     },
     {
         comment: "Test1 find query",
diff --git a/jstests/noPassthrough/lookup_metrics.js b/jstests/noPassthrough/lookup_metrics.js
index 44082f99ac2..9f2aec0bfdb 100644
--- a/jstests/noPassthrough/lookup_metrics.js
+++ b/jstests/noPassthrough/lookup_metrics.js
@@ -8,8 +8,7 @@
 load("jstests/libs/sbe_util.js");      // For 'checkSBEEnabled()'.
 load("jstests/libs/analyze_plan.js");  // For 'getAggPlanStages' and other explain helpers.
 
-const conn =
-    MongoRunner.runMongod({setParameter: {featureFlagSbeFull: true, allowDiskUseByDefault: true}});
+const conn = MongoRunner.runMongod({setParameter: {allowDiskUseByDefault: true}});
 assert.neq(null, conn, "mongod was unable to start up");
 
 const db = conn.getDB(jsTestName());
diff --git a/jstests/noPassthrough/lookup_pushdown.js b/jstests/noPassthrough/lookup_pushdown.js
index 8c6496d10f1..641c73d5ff2 100644
--- a/jstests/noPassthrough/lookup_pushdown.js
+++ b/jstests/noPassthrough/lookup_pushdown.js
@@ -18,7 +18,7 @@ const JoinAlgorithm = {
 };
 
 // Standalone cases.
-const conn = MongoRunner.runMongod({setParameter: {allowDiskUseByDefault: true}});
+const conn = MongoRunner.runMongod();
 assert.neq(null, conn, "mongod was unable to start up");
 const name = "lookup_pushdown";
 const foreignCollName = "foreign_lookup_pushdown";
@@ -112,15 +112,13 @@ function runTest(coll,
 }
 
 let db = conn.getDB(name);
-if (!checkSBEEnabled(db)) {
-    jsTestLog("Skipping test because either the sbe lookup pushdown feature flag is disabled or" +
-              " sbe itself is disabled");
+const sbeEnabled = checkSBEEnabled(db);
+if (!sbeEnabled) {
+    jsTestLog("Skipping test because SBE is disabled");
     MongoRunner.stopMongod(conn);
     return;
 }
 
-const sbeFullEnabled = checkSBEEnabled(db, ["featureFlagSbeFull"]);
-
 let coll = db[name];
 const localDocs = [{_id: 1, a: 2}];
 assert.commandWorked(coll.insert(localDocs));
@@ -300,48 +298,6 @@ function setLookupPushdownDisabled(value) {
             {allowDiskUse: false});
 }());
 
-// Verify that SBE is only used when a $lookup or a $group is present.
-(function testLookupGroupIsRequiredForPushdown() {
-    // Don't execute this test case if SBE is fully enabled.
-    if (sbeFullEnabled) {
-        jsTestLog("Skipping test case because we are supporting SBE beyond $group and $lookup" +
-                  " pushdown");
-        return;
-    }
-
-    const assertEngineUsed = function(pipeline, isSBE) {
-        const explain = coll.explain().aggregate(pipeline);
-        assert(explain.hasOwnProperty("explainVersion"), explain);
-        if (isSBE) {
-            assert.eq(explain.explainVersion, "2", explain);
-        } else {
-            assert.eq(explain.explainVersion, "1", explain);
-        }
-    };
-
-    const lookup = {$lookup: {from: "coll", localField: "a", foreignField: "b", as: "out"}};
-    const group = {
-        $group: {
-            _id: "$a",
-            out: {$min: "$b"},
-        }
-    };
-    const match = {$match: {a: 1}};
-
-    // $lookup and $group should each run in SBE.
-    assertEngineUsed([lookup], true /* isSBE */);
-    assertEngineUsed([group], true /* isSBE */);
-    assertEngineUsed([lookup, group], true /* isSBE */);
-
-    // $match on its own won't use SBE, nor will an empty pipeline.
-    assertEngineUsed([match], false /* isSBE */);
-    assertEngineUsed([], false /* isSBE */);
-
-    // $match will use SBE if followed by either a $group or a $lookup.
-    assertEngineUsed([match, lookup], true /* isSBE */);
-    assertEngineUsed([match, group], true /* isSBE */);
-})();
-
 // Build an index on the foreign collection that matches the foreignField. This should cause us
 // to choose an indexed nested loop join.
 (function testIndexNestedLoopJoinRegularIndex() {
@@ -707,61 +663,56 @@ function setLookupPushdownDisabled(value) {
 // Test which verifies that the right side of a classic $lookup is never lowered into SBE, even if
 // the queries for the right side are eligible on their own to run in SBE.
 (function verifyThatClassicLookupRightSideIsNeverLoweredIntoSBE() {
-    // If running with SBE fully enabled, verify that our $match is SBE compatible. Otherwise,
-    // verify that the same $match, when used as a $lookup sub-pipeline, will not be lowered
-    // into SBE.
+    // Confirm that our candidate subpipeline is SBE compatible on its own.
     const subPipeline = [{$match: {b: 2}}];
-    if (sbeFullEnabled) {
-        const subPipelineExplain = foreignColl.explain().aggregate(subPipeline);
-        assert(subPipelineExplain.hasOwnProperty("explainVersion"), subPipelineExplain);
-        assert.eq(subPipelineExplain["explainVersion"], "2", subPipelineExplain);
-    } else {
-        const pipeline = [{$lookup: {from: foreignCollName, pipeline: subPipeline, as: "result"}}];
-        runTest(coll, pipeline, JoinAlgorithm.Classic /* expectedJoinAlgorithm */);
-
-        // Create multiple indexes that can be used to answer the subPipeline query. This will allow
-        // the winning plan to be cached.
-        assert.commandWorked(foreignColl.dropIndexes());
-        assert.commandWorked(foreignColl.createIndexes([{b: 1, a: 1}, {b: 1, c: 1}]));
-
-        // Run the pipeline enough times to generate a cache entry for the right side in the foreign
-        // collection.
-        coll.aggregate(pipeline).itcount();
-        coll.aggregate(pipeline).itcount();
-
-        const cacheEntries = foreignColl.getPlanCache().list();
-        assert.eq(cacheEntries.length, 1);
-        const cacheEntry = cacheEntries[0];
-
-        // The cached plan should be a classic plan.
-        assert(cacheEntry.hasOwnProperty("version"), cacheEntry);
-        assert.eq(cacheEntry.version, "1", cacheEntry);
-        assert(cacheEntry.hasOwnProperty("cachedPlan"), cacheEntry);
-        const cachedPlan = cacheEntry.cachedPlan;
-
-        // The cached plan should not have slot based plan. Instead, it should be a FETCH + IXSCAN
-        // executed in the classic engine.
-        assert(!cachedPlan.hasOwnProperty("slots"), cacheEntry);
-        assert(cachedPlan.hasOwnProperty("stage"), cacheEntry);
-
-        assert(planHasStage(db, cachedPlan, "FETCH"), cacheEntry);
-        assert(planHasStage(db, cachedPlan, "IXSCAN"), cacheEntry);
-        assert.commandWorked(coll.dropIndexes());
-    }
+    const subPipelineExplain = foreignColl.explain().aggregate(subPipeline);
+    assert(subPipelineExplain.hasOwnProperty("explainVersion"), subPipelineExplain);
+    assert.eq(subPipelineExplain["explainVersion"], "2", subPipelineExplain);
+
+    // Now, run a lookup and force it to run in the classic engine by prefixing it with
+    // '$_internalInhibitOptimization'.
+    const pipeline = [
+        {$_internalInhibitOptimization: {}},
+        {$lookup: {from: foreignCollName, pipeline: subPipeline, as: "result"}}
+    ];
+    runTest(coll, pipeline, JoinAlgorithm.Classic /* expectedJoinAlgorithm */);
+
+    // Create multiple indexes that can be used to answer the subPipeline query. This will allow
+    // the winning plan to be cached.
+    assert.commandWorked(foreignColl.dropIndexes());
+    assert.commandWorked(foreignColl.createIndexes([{b: 1, a: 1}, {b: 1, c: 1}]));
+
+    // Run the pipeline enough times to generate a cache entry for the right side in the foreign
+    // collection.
+    coll.aggregate(pipeline).itcount();
+    coll.aggregate(pipeline).itcount();
+
+    const cacheEntries = foreignColl.getPlanCache().list();
+    assert.eq(cacheEntries.length, 1);
+    const cacheEntry = cacheEntries[0];
+
+    // The cached plan should be a classic plan.
+    assert(cacheEntry.hasOwnProperty("version"), cacheEntry);
+    assert.eq(cacheEntry.version, "1", cacheEntry);
+    assert(cacheEntry.hasOwnProperty("cachedPlan"), cacheEntry);
+    const cachedPlan = cacheEntry.cachedPlan;
+
+    // The cached plan should not have slot based plan. Instead, it should be a FETCH + IXSCAN
+    // executed in the classic engine.
+    assert(!cachedPlan.hasOwnProperty("slots"), cacheEntry);
+    assert(cachedPlan.hasOwnProperty("stage"), cacheEntry);
+
+    assert(planHasStage(db, cachedPlan, "FETCH"), cacheEntry);
+    assert(planHasStage(db, cachedPlan, "IXSCAN"), cacheEntry);
+    assert.commandWorked(coll.dropIndexes());
 }());
 
 MongoRunner.stopMongod(conn);
 
-// Verify that pipeline stages get pushed down according to the subset of SBE that is enabled.
-(function verifyPushdownLogicSbePartiallyEnabled() {
-    const conn = MongoRunner.runMongod({setParameter: {allowDiskUseByDefault: true}});
+// Verify that $lookup and $group stages get pushed down as expected.
+(function verifyLookupGroupStagesArePushedDown() {
+    const conn = MongoRunner.runMongod();
     const db = conn.getDB(name);
-    if (sbeFullEnabled) {
-        jsTestLog("Skipping test case because SBE is fully enabled, but this test case assumes" +
-                  " that it is not fully enabled");
-        MongoRunner.stopMongod(conn);
-        return;
-    }
     const coll = db[name];
     const foreignColl = db[foreignCollName];
 
@@ -838,7 +789,7 @@ MongoRunner.stopMongod(conn);
 (function testHashJoinQueryKnobs() {
     // Create a new scope and start a new mongod so that the mongod-wide global state changes do not
     // affect subsequent tests if any.
-    const conn = MongoRunner.runMongod({setParameter: {featureFlagSbeFull: true}});
+    const conn = MongoRunner.runMongod();
     const db = conn.getDB(name);
     const lcoll = db.query_knobs_local;
     const fcoll = db.query_knobs_foreign;
@@ -851,8 +802,7 @@ MongoRunner.stopMongod(conn);
     runTest(lcoll,
             [{$lookup: {from: fcoll.getName(), localField: "a", foreignField: "a", as: "out"}}],
             JoinAlgorithm.HJ,
-            null /* indexKeyPattern */,
-            {allowDiskUse: true});
+            null /* indexKeyPattern */);
 
     // The fcollStats.count means the number of documents in a collection, the fcollStats.size means
     // the collection's data size, and the fcollStats.storageSize means the allocated storage size.
@@ -868,8 +818,7 @@ MongoRunner.stopMongod(conn);
     runTest(lcoll,
             [{$lookup: {from: fcoll.getName(), localField: "a", foreignField: "a", as: "out"}}],
             JoinAlgorithm.HJ,
-            null /* indexKeyPattern */,
-            {allowDiskUse: true});
+            null /* indexKeyPattern */);
 
     // Setting the 'internalQueryDisableLookupExecutionUsingHashJoin' knob to true will disable
     // HJ plans from being chosen and since the pipeline is SBE compatible it will fallback to
@@ -882,8 +831,7 @@ MongoRunner.stopMongod(conn);
     runTest(lcoll,
             [{$lookup: {from: fcoll.getName(), localField: "a", foreignField: "a", as: "out"}}],
             JoinAlgorithm.NLJ,
-            null /* indexKeyPattern */,
-            {allowDiskUse: true});
+            null /* indexKeyPattern */);
 
     // Test that we can go back to generating HJ plans.
     assert.commandWorked(db.adminCommand({
@@ -894,8 +842,7 @@ MongoRunner.stopMongod(conn);
     runTest(lcoll,
             [{$lookup: {from: fcoll.getName(), localField: "a", foreignField: "a", as: "out"}}],
             JoinAlgorithm.HJ,
-            null /* indexKeyPattern */,
-            {allowDiskUse: true});
+            null /* indexKeyPattern */);
 
     // Setting the 'internalQueryCollectionMaxNoOfDocumentsToChooseHashJoin' to count - 1 results in
     // choosing the NLJ algorithm.
@@ -907,8 +854,7 @@ MongoRunner.stopMongod(conn);
     runTest(lcoll,
             [{$lookup: {from: fcoll.getName(), localField: "a", foreignField: "a", as: "out"}}],
             JoinAlgorithm.NLJ,
-            null /* indexKeyPattern */,
-            {allowDiskUse: true});
+            null /* indexKeyPattern */);
 
     // Reverting back 'internalQueryCollectionMaxNoOfDocumentsToChooseHashJoin' to the previous
     // value. Setting the 'internalQueryCollectionMaxDataSizeBytesToChooseHashJoin' to size - 1
@@ -922,8 +868,7 @@ MongoRunner.stopMongod(conn);
     runTest(lcoll,
             [{$lookup: {from: fcoll.getName(), localField: "a", foreignField: "a", as: "out"}}],
             JoinAlgorithm.NLJ,
-            null /* indexKeyPattern */,
-            {allowDiskUse: true});
+            null /* indexKeyPattern */);
 
     // Reverting back 'internalQueryCollectionMaxDataSizeBytesToChooseHashJoin' to the previous
     // value. Setting the 'internalQueryCollectionMaxStorageSizeBytesToChooseHashJoin' to
@@ -937,8 +882,7 @@ MongoRunner.stopMongod(conn);
     runTest(lcoll,
             [{$lookup: {from: fcoll.getName(), localField: "a", foreignField: "a", as: "out"}}],
             JoinAlgorithm.NLJ,
-            null /* indexKeyPattern */,
-            {allowDiskUse: true});
+            null /* indexKeyPattern */);
 
     MongoRunner.stopMongod(conn);
 }());
@@ -1010,11 +954,7 @@ MongoRunner.stopMongod(conn);
 }());
 
 // Sharded cases.
-const st = new ShardingTest({
-    shards: 2,
-    mongos: 1,
-    other: {shardOptions: {setParameter: {featureFlagSbeFull: true, allowDiskUseByDefault: true}}}
-});
+const st = new ShardingTest({shards: 2, mongos: 1});
 db = st.s.getDB(name);
 
 // Setup. Here, 'coll' is sharded, 'foreignColl' is unsharded, 'viewName' is an unsharded view,
diff --git a/jstests/noPassthrough/plan_cache_group_lookup.js b/jstests/noPassthrough/plan_cache_group_lookup.js
index f18277689b5..dcef122bf80 100644
--- a/jstests/noPassthrough/plan_cache_group_lookup.js
+++ b/jstests/noPassthrough/plan_cache_group_lookup.js
@@ -22,8 +22,6 @@ if (!checkSBEEnabled(db)) {
     return;
 }
 
-const sbeFullEnabled = checkSBEEnabled(db, ["featureFlagSbeFull"]);
-
 assert.commandWorked(coll.insert({a: 1}));
 assert.commandWorked(coll.createIndex({a: 1, a1: 1}));
 assert.commandWorked(coll.createIndex({a: 1, a2: 1}));
@@ -123,7 +121,7 @@ const groupStage = {
 
 (function testLoweredPipelineCombination() {
     setupForeignColl();
-    const expectedVersion = sbeFullEnabled ? 2 : 1;
+    const expectedVersion = 2;
 
     coll.getPlanCache().clear();
     testLoweredPipeline(
@@ -147,16 +145,11 @@ const groupStage = {
     setupForeignColl();
     testLoweredPipeline({
         pipeline: [multiPlanningQueryStage, lookupStage, {$_internalInhibitOptimization: {}}],
-        version: sbeFullEnabled ? 2 : 1
+        version: 2
     });
 })();
 
 (function testNonExistentForeignCollectionCache() {
-    if (!sbeFullEnabled) {
-        jsTestLog("Skipping testNonExistentForeignCollectionCache when SBE is not fully enabled");
-        return;
-    }
-
     coll.getPlanCache().clear();
     foreignColl.drop();
     const entryWithoutForeignColl =
@@ -176,12 +169,6 @@ const groupStage = {
 })();
 
 (function testForeignCollectionDropCacheInvalidation() {
-    if (!sbeFullEnabled) {
-        jsTestLog(
-            "Skipping testForeignCollectionDropCacheInvalidation when SBE is not fully enabled");
-        return;
-    }
-
     coll.getPlanCache().clear();
     setupForeignColl();
     testLoweredPipeline({pipeline: [multiPlanningQueryStage, lookupStage], version: 2});
@@ -191,11 +178,6 @@ const groupStage = {
 })();
 
 (function testForeignIndexDropCacheInvalidation() {
-    if (!sbeFullEnabled) {
-        jsTestLog("Skipping testForeignIndexDropCacheInvalidation when SBE is not fully enabled");
-        return;
-    }
-
     coll.getPlanCache().clear();
     setupForeignColl({b: 1} /* index */);
     testLoweredPipeline({pipeline: [multiPlanningQueryStage, lookupStage], version: 2});
@@ -205,11 +187,6 @@ const groupStage = {
 })();
 
 (function testForeignIndexBuildCacheInvalidation() {
-    if (!sbeFullEnabled) {
-        jsTestLog("Skipping testForeignIndexBuildCacheInvalidation when SBE is not fully enabled");
-        return;
-    }
-
     coll.getPlanCache().clear();
     setupForeignColl({b: 1} /* index */);
     testLoweredPipeline({pipeline: [multiPlanningQueryStage, lookupStage], version: 2});
@@ -219,11 +196,6 @@ const groupStage = {
 })();
 
 (function testLookupSbeAndClassicPlanCacheKey() {
-    if (!sbeFullEnabled) {
-        jsTestLog("Skipping testLookupWithClassicPlanCache when SBE is not fully enabled");
-        return;
-    }
-
     setupForeignColl({b: 1} /* index */);
 
     // When using SBE engine, the plan cache key of $match vs. $match + $lookup should be different.
diff --git a/jstests/noPassthrough/plan_cache_index_create.js b/jstests/noPassthrough/plan_cache_index_create.js
index fed5fa3c18e..7a37e49bfc4 100644
--- a/jstests/noPassthrough/plan_cache_index_create.js
+++ b/jstests/noPassthrough/plan_cache_index_create.js
@@ -180,8 +180,8 @@ rst.initiate();
 const primaryDB = rst.getPrimary().getDB(dbName);
 const secondaryDB = rst.getSecondary().getDB(dbName);
 
-if (checkSBEEnabled(primaryDB, ["featureFlagSbeFull"])) {
-    jsTest.log("Skipping test because SBE is fully enabled");
+if (checkSBEEnabled(primaryDB)) {
+    jsTest.log("Skipping test because SBE is enabled");
     rst.stopSet();
     return;
 }
diff --git a/jstests/noPassthrough/plan_cache_list_failed_plans.js b/jstests/noPassthrough/plan_cache_list_failed_plans.js
index 9fd79e8308e..3e778a53e3a 100644
--- a/jstests/noPassthrough/plan_cache_list_failed_plans.js
+++ b/jstests/noPassthrough/plan_cache_list_failed_plans.js
@@ -9,8 +9,8 @@ assert.neq(null, conn, "mongod was unable to start up");
 const testDB = conn.getDB("jstests_plan_cache_list_failed_plans");
 const coll = testDB.test;
 
-if (checkSBEEnabled(testDB, ["featureFlagSbeFull"])) {
-    jsTest.log("Skipping test because SBE is fully enabled");
+if (checkSBEEnabled(testDB)) {
+    jsTest.log("Skipping test because SBE is enabled");
     MongoRunner.stopMongod(conn);
     return;
 }
diff --git a/jstests/noPassthrough/plan_cache_memory_debug_info.js b/jstests/noPassthrough/plan_cache_memory_debug_info.js
index 331077bebfa..a52d1f5aebe 100644
--- a/jstests/noPassthrough/plan_cache_memory_debug_info.js
+++ b/jstests/noPassthrough/plan_cache_memory_debug_info.js
@@ -83,8 +83,8 @@ assert.neq(conn, null, "mongod failed to start");
 const db = conn.getDB("test");
 const coll = db.plan_cache_memory_debug_info;
 
-if (checkSBEEnabled(db, ["featureFlagSbeFull"])) {
-    jsTest.log("Skipping test because SBE is fully enabled");
+if (checkSBEEnabled(db)) {
+    jsTest.log("Skipping test because SBE is enabled");
     MongoRunner.stopMongod(conn);
     return;
 }
diff --git a/jstests/noPassthrough/plan_cache_replan_group_lookup.js b/jstests/noPassthrough/plan_cache_replan_group_lookup.js
index 1fa8be2ab10..941b9ba7d8d 100644
--- a/jstests/noPassthrough/plan_cache_replan_group_lookup.js
+++ b/jstests/noPassthrough/plan_cache_replan_group_lookup.js
@@ -19,7 +19,7 @@ const coll = db.plan_cache_replan_group_lookup;
 const foreignCollName = "foreign";
 coll.drop();
 
-const sbeFullEnabled = checkSBEEnabled(db, ["featureFlagSbeFull"]);
+const sbeEnabled = checkSBEEnabled(db);
 
 function getPlansForCacheEntry(match) {
     const matchingCacheEntries = coll.getPlanCache().list([{$match: match}]);
@@ -165,7 +165,7 @@ const aIndexPredicate = [{$match: {a: 1042, b: 1}}];
 // {a: 1} index is used.
 const bIndexPredicate = [{$match: {a: 1, b: 1042}}];
 
-const expectedVersion = sbeFullEnabled ? 2 : 1;
+const expectedVersion = sbeEnabled ? 2 : 1;
 // $group tests.
 const groupSuffix = [{$group: {_id: "$c"}}, {$count: "n"}];
 testFn(aIndexPredicate.concat(groupSuffix),
@@ -249,9 +249,9 @@ assert.eq(2, coll.aggregate(aLookup).toArray()[0].n);
 // If SBE plan cache is enabled, a new cache entry will be created in the SBE plan cache after
 // invalidation. The corresponding cache entry in SBE plan cache should be inactive because the SBE
 // plan cache is invalidated on index drop.
-assertCacheUsage(sbeFullEnabled /*multiPlanning*/,
+assertCacheUsage(sbeEnabled /*multiPlanning*/,
                  expectedVersion /* cacheEntryVersion */,
-                 !sbeFullEnabled /*cacheEntryIsActive*/,
+                 !sbeEnabled /*cacheEntryIsActive*/,
                  "a_1" /*cachedIndexName*/,
                  aLookup);
 
@@ -260,7 +260,7 @@ verifyCorrectLookupAlgorithmUsed("NestedLoopJoin", aLookup, {allowDiskUse: false
 assert.eq(2, coll.aggregate(aLookup).toArray()[0].n);
 // Note that multi-planning is expected here when the SBE plan cache is enabled because the
 // 'allowDiskUse' value is part of the SBE plan cache key encoding.
-assertCacheUsage(sbeFullEnabled /*multiPlanning*/,
+assertCacheUsage(sbeEnabled /*multiPlanning*/,
                  expectedVersion /* cacheEntryVersion */,
                  true /*cacheEntryIsActive*/,
                  "a_1" /*cachedIndexName*/,
@@ -270,9 +270,9 @@ assertCacheUsage(sbeFullEnabled /*multiPlanning*/,
 dropLookupForeignColl();
 verifyCorrectLookupAlgorithmUsed("NonExistentForeignCollection", aLookup, {allowDiskUse: true});
 assert.eq(2, coll.aggregate(aLookup).toArray()[0].n);
-assertCacheUsage(sbeFullEnabled /*multiPlanning*/,
+assertCacheUsage(sbeEnabled /*multiPlanning*/,
                  expectedVersion /* cacheEntryVersion */,
-                 !sbeFullEnabled /*cacheEntryIsActive*/,
+                 !sbeEnabled /*cacheEntryIsActive*/,
                  "a_1" /*cachedIndexName*/,
                  aLookup);
 
@@ -335,7 +335,7 @@ verifyCorrectLookupAlgorithmUsed(
 
 // If SBE plan cache is enabled, after dropping index, the $lookup plan cache will be invalidated.
 // We will need to rerun the multi-planner.
-if (sbeFullEnabled) {
+if (sbeEnabled) {
     runLookupQuery({allowDiskUse: false});
     assertCacheUsage(true /*multiPlanning*/,
                      2 /* cacheEntryVersion */,
@@ -355,7 +355,7 @@ if (sbeFullEnabled) {
 
 runLookupQuery({allowDiskUse: false});
 assertCacheUsage(false /*multiPlanning*/,
-                 sbeFullEnabled ? 2 : 1 /* cacheEntryVersion */,
+                 sbeEnabled ? 2 : 1 /* cacheEntryVersion */,
                  true /*activeCacheEntry*/,
                  "b_1" /*cachedIndexName*/,
                  avoidReplanLookupPipeline,
@@ -363,7 +363,7 @@ assertCacheUsage(false /*multiPlanning*/,
 
 runLookupQuery({allowDiskUse: false});
 assertCacheUsage(false /*multiPlanning*/,
-                 sbeFullEnabled ? 2 : 1 /* cacheEntryVersion */,
+                 sbeEnabled ? 2 : 1 /* cacheEntryVersion */,
                  true /*activeCacheEntry*/,
                  "b_1" /*cachedIndexName*/,
                  avoidReplanLookupPipeline,
@@ -375,7 +375,7 @@ verifyCorrectLookupAlgorithmUsed("HashJoin", avoidReplanLookupPipeline, {allowDi
 
 // If SBE plan cache is enabled, using different 'allowDiskUse' option will result in
 // different plan cache key.
-if (sbeFullEnabled) {
+if (sbeEnabled) {
     runLookupQuery({allowDiskUse: true});
     assertCacheUsage(true /*multiPlanning*/,
                      2 /* cacheEntryVersion */,
@@ -395,14 +395,14 @@ if (sbeFullEnabled) {
 
 runLookupQuery({allowDiskUse: true});
 assertCacheUsage(false /*multiPlanning*/,
-                 sbeFullEnabled ? 2 : 1 /* cacheEntryVersion */,
+                 sbeEnabled ? 2 : 1 /* cacheEntryVersion */,
                  true /*activeCacheEntry*/,
                  "b_1" /*cachedIndexName*/,
                  avoidReplanLookupPipeline,
                  {allowDiskUse: true});
 runLookupQuery({allowDiskUse: true});
 assertCacheUsage(false /*multiPlanning*/,
-                 sbeFullEnabled ? 2 : 1 /* cacheEntryVersion */,
+                 sbeEnabled ? 2 : 1 /* cacheEntryVersion */,
                  true /*activeCacheEntry*/,
                  "b_1" /*cachedIndexName*/,
                  avoidReplanLookupPipeline,
@@ -428,25 +428,25 @@ verifyCorrectLookupAlgorithmUsed("IndexedLoopJoin", avoidReplanLookupPipeline);
 // Set up an active cache entry.
 runLookupQuery();
 assertCacheUsage(true /*multiPlanning*/,
-                 sbeFullEnabled ? 2 : 1 /* cacheEntryVersion */,
+                 sbeEnabled ? 2 : 1 /* cacheEntryVersion */,
                  false /*activeCacheEntry*/,
                  "b_1" /*cachedIndexName*/,
                  avoidReplanLookupPipeline);
 runLookupQuery();
 assertCacheUsage(true /*multiPlanning*/,
-                 sbeFullEnabled ? 2 : 1 /* cacheEntryVersion */,
+                 sbeEnabled ? 2 : 1 /* cacheEntryVersion */,
                  true /*activeCacheEntry*/,
                  "b_1" /*cachedIndexName*/,
                  avoidReplanLookupPipeline);
 runLookupQuery();
 assertCacheUsage(false /*multiPlanning*/,
-                 sbeFullEnabled ? 2 : 1 /* cacheEntryVersion */,
+                 sbeEnabled ? 2 : 1 /* cacheEntryVersion */,
                  true /*activeCacheEntry*/,
                  "b_1" /*cachedIndexName*/,
                  avoidReplanLookupPipeline);
 runLookupQuery();
 assertCacheUsage(false /*multiPlanning*/,
-                 sbeFullEnabled ? 2 : 1 /* cacheEntryVersion */,
+                 sbeEnabled ? 2 : 1 /* cacheEntryVersion */,
                  true /*activeCacheEntry*/,
                  "b_1" /*cachedIndexName*/,
                  avoidReplanLookupPipeline);
@@ -459,7 +459,7 @@ assertCacheUsage(false /*multiPlanning*/,
  * solution.
  */
 function testReplanningAndCacheInvalidationOnForeignCollSizeIncrease(singleSolution) {
-    if (!sbeFullEnabled) {
+    if (!sbeEnabled) {
         return;
     }
 
@@ -552,7 +552,7 @@ let explain = coll.explain().aggregate(avoidReplanLookupPipeline);
 const eqLookupNodes = getAggPlanStages(explain, "EQ_LOOKUP");
 assert.eq(eqLookupNodes.length, 0, "expected no EQ_LOOKUP nodes; got " + tojson(explain));
 
-if (sbeFullEnabled) {
+if (sbeEnabled) {
     runLookupQuery();
     const profileObj = getLatestProfilerEntry(db, {op: "command", ns: coll.getFullName()});
     const matchingCacheEntries =
@@ -621,7 +621,7 @@ explain = coll.explain().aggregate(avoidReplanLookupPipeline);
 groupNodes = getAggPlanStages(explain, "GROUP");
 assert.eq(groupNodes.length, 0);
 
-if (sbeFullEnabled) {
+if (sbeEnabled) {
     runGroupQuery();
     const profileObj = getLatestProfilerEntry(db, {op: "command", ns: coll.getFullName()});
     const matchingCacheEntries =
diff --git a/jstests/noPassthrough/plan_cache_replan_sort.js b/jstests/noPassthrough/plan_cache_replan_sort.js
index 711a2676a15..16c80ea346b 100644
--- a/jstests/noPassthrough/plan_cache_replan_sort.js
+++ b/jstests/noPassthrough/plan_cache_replan_sort.js
@@ -44,7 +44,7 @@ assert.eq(1, cachedPlans.length, cachedPlans);
 assert.eq(true, cachedPlans[0].isActive, cachedPlans);
 const cachedPlan = getCachedPlan(cachedPlans[0].cachedPlan);
 const cachedPlanVersion = cachedPlans[0].version;
-if (checkSBEEnabled(db, ["featureFlagSbeFull"])) {
+if (checkSBEEnabled(db)) {
     // If the SBE plan cache is on, then the cached plan has a different format.
     assert.eq(cachedPlanVersion, "2", cachedPlans);
     assert(cachedPlan.stages.includes("sort"), cachedPlans);
diff --git a/jstests/noPassthrough/plan_cache_stats_agg_source.js b/jstests/noPassthrough/plan_cache_stats_agg_source.js
index 01bbf6a75a0..9c2777e1f04 100644
--- a/jstests/noPassthrough/plan_cache_stats_agg_source.js
+++ b/jstests/noPassthrough/plan_cache_stats_agg_source.js
@@ -16,11 +16,7 @@ assert.neq(null, conn, "mongod failed to start up");
 
 const testDb = conn.getDB("test");
 const coll = testDb.plan_cache_stats_agg_source;
-
-// Note that the "getParameter" command is expected to fail in versions of mongod that do not yet
-// include the slot-based execution engine. When that happens, however, 'isSBEEnabled' still
-// correctly evaluates to false.
-const isSBEEnabled = checkSBEEnabled(testDb, ["featureFlagSbeFull"]);
+const isSBEEnabled = checkSBEEnabled(testDb);
 
 function makeMatchForFilteringByShape(query) {
     const keyHash = getPlanCacheKeyFromShape({query: query, collection: coll, db: testDb});
diff --git a/jstests/noPassthrough/query_engine_stats.js b/jstests/noPassthrough/query_engine_stats.js
index bf0cef1f043..a505b7512a0 100644
--- a/jstests/noPassthrough/query_engine_stats.js
+++ b/jstests/noPassthrough/query_engine_stats.js
@@ -15,8 +15,8 @@ assert.neq(null, conn, "mongod was unable to start up");
 let db = conn.getDB(jsTestName());
 
 // This test assumes that SBE is being used for most queries.
-if (!checkSBEEnabled(db, ["featureFlagSbeFull"])) {
-    jsTestLog("Skipping test because SBE is not fully enabled");
+if (!checkSBEEnabled(db)) {
+    jsTestLog("Skipping test because SBE is not enabled");
     MongoRunner.stopMongod(conn);
     return;
 }
diff --git a/jstests/noPassthrough/restart_index_build_if_resume_fails.js b/jstests/noPassthrough/restart_index_build_if_resume_fails.js
index 0336894febf..bcd1e3a50ce 100644
--- a/jstests/noPassthrough/restart_index_build_if_resume_fails.js
+++ b/jstests/noPassthrough/restart_index_build_if_resume_fails.js
@@ -24,9 +24,9 @@ rst.initiate();
 
 let primary = rst.getPrimary();
 let coll = primary.getDB(dbName).getCollection(collName);
-const columnstoreEnabled = checkSBEEnabled(primary.getDB(dbName),
-                                           ["featureFlagColumnstoreIndexes", "featureFlagSbeFull"],
-                                           true /* checkAllNodes */) &&
+const columnstoreEnabled =
+    checkSBEEnabled(
+        primary.getDB(dbName), ["featureFlagColumnstoreIndexes"], true /* checkAllNodes */) &&
     setUpServerForColumnStoreIndexTest(primary.getDB(dbName));
 
 assert.commandWorked(coll.insert({a: 1}));
diff --git a/jstests/noPassthrough/restart_index_build_if_resume_interrupted_by_shutdown.js b/jstests/noPassthrough/restart_index_build_if_resume_interrupted_by_shutdown.js
index 0d9d4b1ff9b..46f5fd8d80a 100644
--- a/jstests/noPassthrough/restart_index_build_if_resume_interrupted_by_shutdown.js
+++ b/jstests/noPassthrough/restart_index_build_if_resume_interrupted_by_shutdown.js
@@ -25,8 +25,7 @@ rst.initiate();
 
 let primary = rst.getPrimary();
 const columnstoreEnabled =
-    checkSBEEnabled(
-        primary.getDB(dbName), ["featureFlagColumnstoreIndexes", "featureFlagSbeFull"], true) &&
+    checkSBEEnabled(primary.getDB(dbName), ["featureFlagColumnstoreIndexes"], true) &&
     setUpServerForColumnStoreIndexTest(primary.getDB(dbName));
 
 ResumableIndexBuildTest.runResumeInterruptedByShutdown(
diff --git a/jstests/noPassthrough/resumable_index_build_bulk_load_phase.js b/jstests/noPassthrough/resumable_index_build_bulk_load_phase.js
index 6e24516c726..147c4e4281e 100644
--- a/jstests/noPassthrough/resumable_index_build_bulk_load_phase.js
+++ b/jstests/noPassthrough/resumable_index_build_bulk_load_phase.js
@@ -21,9 +21,8 @@ const rst = new ReplSetTest({nodes: 1});
 rst.startSet();
 rst.initiate();
 
-const columnstoreEnabled = checkSBEEnabled(rst.getPrimary().getDB(dbName),
-                                           ["featureFlagColumnstoreIndexes", "featureFlagSbeFull"],
-                                           true) &&
+const columnstoreEnabled =
+    checkSBEEnabled(rst.getPrimary().getDB(dbName), ["featureFlagColumnstoreIndexes"], true) &&
     setUpServerForColumnStoreIndexTest(rst.getPrimary().getDB(dbName));
 
 const runTests = function(docs, indexSpecsFlat, collNameSuffix) {
diff --git a/jstests/noPassthrough/resumable_index_build_bulk_load_phase_large.js b/jstests/noPassthrough/resumable_index_build_bulk_load_phase_large.js
index 3c217cc272f..8cbdcb18268 100644
--- a/jstests/noPassthrough/resumable_index_build_bulk_load_phase_large.js
+++ b/jstests/noPassthrough/resumable_index_build_bulk_load_phase_large.js
@@ -23,9 +23,8 @@ const rst = new ReplSetTest(
 rst.startSet();
 rst.initiate();
 
-const columnstoreEnabled = checkSBEEnabled(rst.getPrimary().getDB(dbName),
-                                           ["featureFlagColumnstoreIndexes", "featureFlagSbeFull"],
-                                           true) &&
+const columnstoreEnabled =
+    checkSBEEnabled(rst.getPrimary().getDB(dbName), ["featureFlagColumnstoreIndexes"], true) &&
     setUpServerForColumnStoreIndexTest(rst.getPrimary().getDB(dbName));
 
 // Insert enough data so that the collection scan spills to disk.
diff --git a/jstests/noPassthrough/resumable_index_build_clearing_tmp_directory_on_restart.js b/jstests/noPassthrough/resumable_index_build_clearing_tmp_directory_on_restart.js
index fb563c40cca..c94db0b2ee7 100644
--- a/jstests/noPassthrough/resumable_index_build_clearing_tmp_directory_on_restart.js
+++ b/jstests/noPassthrough/resumable_index_build_clearing_tmp_directory_on_restart.js
@@ -30,8 +30,7 @@ rst.initiate();
 // Insert enough data so that the collection scan spills to disk.
 const primary = rst.getPrimary();
 const columnstoreEnabled =
-    checkSBEEnabled(
-        primary.getDB(dbName), ["featureFlagColumnstoreIndexes", "featureFlagSbeFull"], true) &&
+    checkSBEEnabled(primary.getDB(dbName), ["featureFlagColumnstoreIndexes"], true) &&
     setUpServerForColumnStoreIndexTest(primary.getDB(dbName));
 const coll = primary.getDB(dbName).getCollection(jsTestName());
 const bulk = coll.initializeUnorderedBulkOp();
diff --git a/jstests/noPassthrough/resumable_index_build_collection_scan_phase.js b/jstests/noPassthrough/resumable_index_build_collection_scan_phase.js
index 5186ecfe278..49ec48f5ced 100644
--- a/jstests/noPassthrough/resumable_index_build_collection_scan_phase.js
+++ b/jstests/noPassthrough/resumable_index_build_collection_scan_phase.js
@@ -22,9 +22,8 @@ const rst = new ReplSetTest({nodes: 1});
 rst.startSet();
 rst.initiate();
 
-const columnstoreEnabled = checkSBEEnabled(rst.getPrimary().getDB(dbName),
-                                           ["featureFlagColumnstoreIndexes", "featureFlagSbeFull"],
-                                           true) &&
+const columnstoreEnabled =
+    checkSBEEnabled(rst.getPrimary().getDB(dbName), ["featureFlagColumnstoreIndexes"], true) &&
     setUpServerForColumnStoreIndexTest(rst.getPrimary().getDB(dbName));
 
 const runTests = function(docs, indexSpecsFlat, collNameSuffix) {
diff --git a/jstests/noPassthrough/resumable_index_build_collection_scan_phase_large.js b/jstests/noPassthrough/resumable_index_build_collection_scan_phase_large.js
index d1c498eb3eb..d1dd867cb3e 100644
--- a/jstests/noPassthrough/resumable_index_build_collection_scan_phase_large.js
+++ b/jstests/noPassthrough/resumable_index_build_collection_scan_phase_large.js
@@ -33,8 +33,7 @@ const primary = rst.getPrimary();
 const coll = primary.getDB(dbName).getCollection(jsTestName());
 
 const columnstoreEnabled =
-    checkSBEEnabled(
-        primary.getDB(dbName), ["featureFlagColumnstoreIndexes", "featureFlagSbeFull"], true) &&
+    checkSBEEnabled(primary.getDB(dbName), ["featureFlagColumnstoreIndexes"], true) &&
     setUpServerForColumnStoreIndexTest(primary.getDB(dbName));
 
 const bulk = coll.initializeUnorderedBulkOp();
diff --git a/jstests/noPassthrough/resumable_index_build_drain_writes_phase_primary.js b/jstests/noPassthrough/resumable_index_build_drain_writes_phase_primary.js
index 8e6f529c8c4..52def8c8bde 100644
--- a/jstests/noPassthrough/resumable_index_build_drain_writes_phase_primary.js
+++ b/jstests/noPassthrough/resumable_index_build_drain_writes_phase_primary.js
@@ -25,8 +25,8 @@ rst.initiate();
 const primary = rst.getPrimary();
 const coll = primary.getDB(dbName).getCollection(collName);
 
-const columnstoreEnabled = checkSBEEnabled(
-    primary.getDB(dbName), ["featureFlagColumnstoreIndexes", "featureFlagSbeFull"], true);
+const columnstoreEnabled =
+    checkSBEEnabled(primary.getDB(dbName), ["featureFlagColumnstoreIndexes"], true);
 
 assert.commandWorked(coll.insert({a: 1}));
 
diff --git a/jstests/noPassthrough/resumable_index_build_drain_writes_phase_secondary.js b/jstests/noPassthrough/resumable_index_build_drain_writes_phase_secondary.js
index f70971967c1..cb859855d34 100644
--- a/jstests/noPassthrough/resumable_index_build_drain_writes_phase_secondary.js
+++ b/jstests/noPassthrough/resumable_index_build_drain_writes_phase_secondary.js
@@ -33,8 +33,8 @@ rst.initiateWithHighElectionTimeout();
 let primary = rst.getPrimary();
 let coll = primary.getDB(dbName).getCollection(collName);
 
-const columnstoreEnabled = checkSBEEnabled(
-    primary.getDB(dbName), ["featureFlagColumnstoreIndexes", "featureFlagSbeFull"], true);
+const columnstoreEnabled =
+    checkSBEEnabled(primary.getDB(dbName), ["featureFlagColumnstoreIndexes"], true);
 
 assert.commandWorked(coll.insert({a: 1}));
 
diff --git a/jstests/noPassthrough/resumable_index_build_initialized.js b/jstests/noPassthrough/resumable_index_build_initialized.js
index f89c0fed9a3..aa672b3260d 100644
--- a/jstests/noPassthrough/resumable_index_build_initialized.js
+++ b/jstests/noPassthrough/resumable_index_build_initialized.js
@@ -22,9 +22,8 @@ const rst = new ReplSetTest({nodes: 1});
 rst.startSet();
 rst.initiate();
 
-const columnstoreEnabled = checkSBEEnabled(rst.getPrimary().getDB(dbName),
-                                           ["featureFlagColumnstoreIndexes", "featureFlagSbeFull"],
-                                           true) &&
+const columnstoreEnabled =
+    checkSBEEnabled(rst.getPrimary().getDB(dbName), ["featureFlagColumnstoreIndexes"], true) &&
     setUpServerForColumnStoreIndexTest(rst.getPrimary().getDB(dbName));
 
 const runTests = function(docs, indexSpecsFlat, collNameSuffix) {
diff --git a/jstests/noPassthrough/resumable_index_build_mixed_phases.js b/jstests/noPassthrough/resumable_index_build_mixed_phases.js
index d372e51360b..463d481d5e2 100644
--- a/jstests/noPassthrough/resumable_index_build_mixed_phases.js
+++ b/jstests/noPassthrough/resumable_index_build_mixed_phases.js
@@ -21,9 +21,8 @@ const rst = new ReplSetTest({nodes: 1});
 rst.startSet();
 rst.initiate();
 
-const columnstoreEnabled = checkSBEEnabled(rst.getPrimary().getDB(dbName),
-                                           ["featureFlagColumnstoreIndexes", "featureFlagSbeFull"],
-                                           true) &&
+const columnstoreEnabled =
+    checkSBEEnabled(rst.getPrimary().getDB(dbName), ["featureFlagColumnstoreIndexes"], true) &&
     setUpServerForColumnStoreIndexTest(rst.getPrimary().getDB(dbName));
 
 const runTest = function(docs, indexSpecs, failPoints, resumePhases, resumeChecks, collNameSuffix) {
diff --git a/jstests/noPassthrough/sbe_multiplanner_trial_termination.js b/jstests/noPassthrough/sbe_multiplanner_trial_termination.js
index 0fdd65ef851..a3178cd2858 100644
--- a/jstests/noPassthrough/sbe_multiplanner_trial_termination.js
+++ b/jstests/noPassthrough/sbe_multiplanner_trial_termination.js
@@ -25,8 +25,8 @@ assert.neq(conn, null, "mongod failed to start");
 const db = conn.getDB(dbName);
 
 // This test assumes that SBE is being used for most queries.
-if (!checkSBEEnabled(db, ["featureFlagSbeFull"])) {
-    jsTestLog("Skipping test because SBE is not fully enabled");
+if (!checkSBEEnabled(db)) {
+    jsTestLog("Skipping test because SBE is not enabled");
     MongoRunner.stopMongod(conn);
     return;
 }
diff --git a/jstests/noPassthrough/sbe_plan_cache_clear_on_param_change.js b/jstests/noPassthrough/sbe_plan_cache_clear_on_param_change.js
index 546d94f7e2f..09b94049c97 100644
--- a/jstests/noPassthrough/sbe_plan_cache_clear_on_param_change.js
+++ b/jstests/noPassthrough/sbe_plan_cache_clear_on_param_change.js
@@ -56,10 +56,9 @@ assert.neq(conn, null, "mongod failed to start up");
 const dbName = jsTestName();
 const db = conn.getDB(dbName);
 
-// This test is specifically verifying the behavior of the SBE plan cache which is enabled by
-// 'featureFlagSbeFull'.
-if (!checkSBEEnabled(db, ["featureFlagSbeFull"])) {
-    jsTestLog("Skipping test because SBE is not fully enabled");
+// This test is specifically verifying the behavior of the SBE plan cache.
+if (!checkSBEEnabled(db)) {
+    jsTestLog("Skipping test because SBE is not enabled");
     MongoRunner.stopMongod(conn);
     return;
 }
diff --git a/jstests/noPassthrough/sbe_plan_cache_key_reporting.js b/jstests/noPassthrough/sbe_plan_cache_key_reporting.js
index e603c495d0e..0cf0546a6bd 100644
--- a/jstests/noPassthrough/sbe_plan_cache_key_reporting.js
+++ b/jstests/noPassthrough/sbe_plan_cache_key_reporting.js
@@ -20,8 +20,8 @@ assert.neq(conn, null, "mongod failed to start");
 const db = conn.getDB("plan_cache_key_reporting");
 const coll = db.coll;
 
-if (!checkSBEEnabled(db, ["featureFlagSbeFull"])) {
-    jsTest.log("Skipping test because SBE is not fully enabled");
+if (!checkSBEEnabled(db)) {
+    jsTest.log("Skipping test because SBE is not enabled");
     MongoRunner.stopMongod(conn);
     return;
 }
diff --git a/jstests/noPassthrough/sbe_plan_cache_memory_debug_info.js b/jstests/noPassthrough/sbe_plan_cache_memory_debug_info.js
index 7bcdba91a34..d07a4456002 100644
--- a/jstests/noPassthrough/sbe_plan_cache_memory_debug_info.js
+++ b/jstests/noPassthrough/sbe_plan_cache_memory_debug_info.js
@@ -19,8 +19,8 @@ const conn = MongoRunner.runMongod({});
 assert.neq(conn, null, "mongod failed to start");
 const db = conn.getDB("sbe_plan_cache_memory_debug_info");
 
-if (!checkSBEEnabled(db, ["featureFlagSbeFull"])) {
-    jsTest.log("Skipping test because SBE is not fully enabled");
+if (!checkSBEEnabled(db)) {
+    jsTest.log("Skipping test because SBE is not enabled");
     MongoRunner.stopMongod(conn);
     return;
 }
diff --git a/jstests/noPassthrough/sbe_plan_cache_size_metric.js b/jstests/noPassthrough/sbe_plan_cache_size_metric.js
index a0b820d10f2..1eb667754e0 100644
--- a/jstests/noPassthrough/sbe_plan_cache_size_metric.js
+++ b/jstests/noPassthrough/sbe_plan_cache_size_metric.js
@@ -23,8 +23,8 @@ const conn = MongoRunner.runMongod();
 assert.neq(conn, null, "mongod failed to start");
 const db = conn.getDB("sbe_plan_cache_size_metric");
 
-if (!checkSBEEnabled(db, ["featureFlagSbeFull"])) {
-    jsTest.log("Skipping test because SBE is not fully enabled");
+if (!checkSBEEnabled(db)) {
+    jsTest.log("Skipping test because SBE is not enabled");
     MongoRunner.stopMongod(conn);
     return;
 }
diff --git a/jstests/noPassthrough/server_status_multiplanner.js b/jstests/noPassthrough/server_status_multiplanner.js
index 580bc736daa..db4c528f031 100644
--- a/jstests/noPassthrough/server_status_multiplanner.js
+++ b/jstests/noPassthrough/server_status_multiplanner.js
@@ -24,8 +24,8 @@ assert.neq(conn, null, "mongod failed to start");
 const db = conn.getDB(dbName);
 
 // This test assumes that SBE is being used for most queries.
-if (!checkSBEEnabled(db, ["featureFlagSbeFull"])) {
-    jsTestLog("Skipping test because SBE is not fully enabled");
+if (!checkSBEEnabled(db)) {
+    jsTestLog("Skipping test because SBE is not enabled");
     MongoRunner.stopMongod(conn);
     return;
 }
diff --git a/jstests/noPassthroughWithMongod/columnstore_planning_heuristics.js b/jstests/noPassthroughWithMongod/columnstore_planning_heuristics.js
index 8bf80294e61..386ae3d57ad 100644
--- a/jstests/noPassthroughWithMongod/columnstore_planning_heuristics.js
+++ b/jstests/noPassthroughWithMongod/columnstore_planning_heuristics.js
@@ -2,9 +2,8 @@
  * Testing of the query planner heuristics for determining whether a collection is eligible for
  * column scan.
  * @tags: [
- *   # column store indexes are still under a feature flag and require full sbe
- *   featureFlagColumnstoreIndexes,
- *   featureFlagSbeFull
+ *   # column store indexes are still under a feature flag
+ *   featureFlagColumnstoreIndexes
  * ]
  */
 (function() {
diff --git a/jstests/noPassthroughWithMongod/group_pushdown.js b/jstests/noPassthroughWithMongod/group_pushdown.js
index cb5743bfd1e..0a2c0716de5 100644
--- a/jstests/noPassthroughWithMongod/group_pushdown.js
+++ b/jstests/noPassthroughWithMongod/group_pushdown.js
@@ -8,7 +8,7 @@ load("jstests/libs/analyze_plan.js");
 load("jstests/libs/sbe_util.js");  // For checkSBEEnabled.
 
 if (!checkSBEEnabled(db)) {
-    jsTestLog("Skipping test because the sbe group pushdown feature flag is disabled");
+    jsTestLog("Skipping test because SBE is not enabled");
     return;
 }
 
@@ -185,28 +185,38 @@ assertResultsMatchWithAndWithoutPushdown(
     ],
     1);
 
-// The $group stage refers to two existing sub-fields.
-assertResultsMatchWithAndWithoutPushdown(
-    coll,
-    [
-        {$project: {item: 1, price: 1, quantity: 1, dateParts: {$dateToParts: {date: "$date"}}}},
-        {
-            $group: {
-                _id: "$item",
-                hs: {$sum: {$add: ["$dateParts.hour", "$dateParts.hour", "$dateParts.minute"]}}
-            }
-        },
-    ],
-    [{"_id": "a", "hs": 39}, {"_id": "b", "hs": 34}, {"_id": "c", "hs": 23}],
-    1);
-
-// The $group stage refers to a non-existing sub-field twice.
-assertResultsMatchWithAndWithoutPushdown(
-    coll,
-    [{$group: {_id: "$item", hs: {$sum: {$add: ["$date.hour", "$date.hour"]}}}}],
-    [{"_id": "a", "hs": 0}, {"_id": "b", "hs": 0}, {"_id": "c", "hs": 0}],
-    1);
-
+// Computed projections are only eligible for pushdown into SBE when SBE is fully enabled.
+// Additionally, $group stages with dotted fields may only be eligible for pushdown when SBE is
+// fully enabled as dependancy analysis may produce a dotted projection, which are not currently
+// supported in mainline SBE.
+const sbeFull = checkSBEEnabled(db, ["featureFlagSbeFull"]);
+if (sbeFull) {
+    // The $group stage refers to two existing sub-fields.
+    assertResultsMatchWithAndWithoutPushdown(
+        coll,
+        [
+            {
+                $project:
+                    {item: 1, price: 1, quantity: 1, dateParts: {$dateToParts: {date: "$date"}}}
+            },
+            {
+                $group: {
+                    _id: "$item",
+                    hs: {$sum:
+                             {$add: ["$dateParts.hour", "$dateParts.hour", "$dateParts.minute"]}}
+                }
+            },
+        ],
+        [{"_id": "a", "hs": 39}, {"_id": "b", "hs": 34}, {"_id": "c", "hs": 23}],
+        1);
+
+    // The $group stage refers to a non-existing sub-field twice.
+    assertResultsMatchWithAndWithoutPushdown(
+        coll,
+        [{$group: {_id: "$item", hs: {$sum: {$add: ["$date.hour", "$date.hour"]}}}}],
+        [{"_id": "a", "hs": 0}, {"_id": "b", "hs": 0}, {"_id": "c", "hs": 0}],
+        1);
+}
 // Two group stages both get pushed down and the second $group stage refers to only existing
 // top-level fields of the first $group. The field name may be one of "result" / "recordId" /
 // "returnKey" / "snapshotId" / "indexId" / "indexKey" / "indexKeyPattern" which are reserved names
diff --git a/jstests/noPassthroughWithMongod/index_bounds_static_limit.js b/jstests/noPassthroughWithMongod/index_bounds_static_limit.js
index dc183a27346..616ddcf2a93 100644
--- a/jstests/noPassthroughWithMongod/index_bounds_static_limit.js
+++ b/jstests/noPassthroughWithMongod/index_bounds_static_limit.js
@@ -9,8 +9,8 @@
 load("jstests/libs/analyze_plan.js");  // For explain helpers.
 load("jstests/libs/sbe_util.js");      // For checkSBEEnabled.
 
-if (!checkSBEEnabled(db, ["featureFlagSbeFull"])) {
-    jsTest.log("Skipping test because SBE is not fully enabled");
+if (!checkSBEEnabled(db)) {
+    jsTest.log("Skipping test because SBE is not enabled");
     return;
 }
 
diff --git a/jstests/noPassthroughWithMongod/ne_array_indexability.js b/jstests/noPassthroughWithMongod/ne_array_indexability.js
index f2ecb27151f..e632e5fc1b6 100644
--- a/jstests/noPassthroughWithMongod/ne_array_indexability.js
+++ b/jstests/noPassthroughWithMongod/ne_array_indexability.js
@@ -31,7 +31,7 @@ function runTest(queryToCache, queryToRunAfterCaching) {
     // a different planCacheKey. The SBE plan cache, on the other hand, does not auto-parameterize
     // $in or $eq involving a constant of type array, and therefore will consider the two queries to
     // have different shapes.
-    if (checkSBEEnabled(db, ["featureFlagSbeFull"])) {
+    if (checkSBEEnabled(db)) {
         assert.neq(explain.queryPlanner.queryHash, cacheEntries[0].queryHash);
     } else {
         assert.eq(explain.queryPlanner.queryHash, cacheEntries[0].queryHash);
diff --git a/jstests/noPassthroughWithMongod/plan_cache_replanning.js b/jstests/noPassthroughWithMongod/plan_cache_replanning.js
index e17a81cb660..d293413f0fc 100644
--- a/jstests/noPassthroughWithMongod/plan_cache_replanning.js
+++ b/jstests/noPassthroughWithMongod/plan_cache_replanning.js
@@ -10,7 +10,7 @@ load('jstests/libs/analyze_plan.js');              // For getPlanStage().
 load("jstests/libs/collection_drop_recreate.js");  // For assert[Drop|Create]Collection.
 load("jstests/libs/sbe_util.js");                  // For checkSBEEnabled.
 
-const isSbeEnabled = checkSBEEnabled(db, ["featureFlagSbeFull"]);
+const isSbeEnabled = checkSBEEnabled(db);
 
 let coll = assertDropAndRecreateCollection(db, "plan_cache_replanning");
 
diff --git a/jstests/noPassthroughWithMongod/sbe_query_eligibility.js b/jstests/noPassthroughWithMongod/sbe_query_eligibility.js
new file mode 100644
index 00000000000..f9bc9fcb181
--- /dev/null
+++ b/jstests/noPassthroughWithMongod/sbe_query_eligibility.js
@@ -0,0 +1,192 @@
+/**
+ * Test that verifies which query shapes which are eligible for SBE.
+ */
+(function() {
+"use strict";
+
+load("jstests/libs/analyze_plan.js");
+load("jstests/libs/sbe_util.js");  // For 'checkSBEEnabled'.
+
+/**
+ * Utility which asserts whether, when aggregating over 'collection' with 'pipeline', whether
+ * explain reports that SBE or classic was used, based on the value of 'isSBE'.
+ */
+function assertEngineUsed(collection, pipeline, isSBE) {
+    const explain = collection.explain().aggregate(pipeline);
+    const expectedExplainVersion = isSBE ? "2" : "1";
+    assert(explain.hasOwnProperty("explainVersion"), explain);
+    assert.eq(explain.explainVersion, expectedExplainVersion, explain);
+}
+
+if (!checkSBEEnabled(db)) {
+    jsTestLog("Skipping test because SBE is disabled");
+    return;
+}
+
+const collName = "sbe_eligiblity";
+const coll = db[collName];
+coll.drop();
+assert.commandWorked(coll.insert({}));
+assert.eq(coll.find().itcount(), 1);
+
+// Simple eligible cases.
+const expectedSbeCases = [
+    // Non-$expr match filters.
+    [{$match: {a: 1}}],
+    [{$match: {"a.b.c": 1}}],
+
+    // Top level projections.
+    [{$project: {a: 1, b: 1}}],
+    [{$project: {a: 0, b: 0}}],
+
+    // Sorts with no common prefixes.
+    [{$sort: {a: 1}}],
+    [{$sort: {"a.b.c": 1}}],
+
+    // Test a combination of the above categories.
+    [{$match: {a: 1}}, {$sort: {b: 1}}],
+    [{$match: {a: 1}}, {$sort: {b: 1, c: 1}}],
+    [{$match: {a: 1}}, {$project: {b: 1, c: 1}}, {$sort: {b: 1, c: 1}}],
+    [
+        {$match: {a: 1, b: 1, "c.d.e": {$mod: [2, 0]}}},
+        {$project: {b: 1, c: 1}},
+        {$sort: {b: 1, c: 1}}
+    ],
+
+    // $lookup and $group should work as expected.
+    [
+        {$match: {a: 1}},
+        {$project: {a: 1}},
+        {$lookup: {from: collName, localField: "a", foreignField: "a", as: "out"}}
+    ],
+    [{$match: {a: 1}}, {$project: {a: 1}}, {$group: {_id: "$a", out: {$sum: 1}}}],
+
+    // If we have a non-SBE compatible expression after the pushdown boundary, this should not
+    // inhibit the pushdown of the pipeline prefix into SBE.
+    [
+        {$match: {a: 1}},
+        {$project: {a: 1}},
+        {$lookup: {from: collName, localField: "a", foreignField: "a", as: "out"}},
+        {$addFields: {foo: {$sum: "$a"}}},
+        {$match: {$expr: {$eq: ["$a", "$b"]}}}
+    ],
+    [
+        {$match: {a: 1}},
+        {$project: {a: 1}},
+        {$group: {_id: "$a", out: {$sum: 1}}},
+        {$match: {$expr: {$eq: ["$a", "$b"]}}}
+    ],
+];
+
+for (const pipeline of expectedSbeCases) {
+    assertEngineUsed(coll, pipeline, true /* isSBE */);
+}
+
+// The cases below are expected to use SBE only if 'featureFlagSbeFull' is on.
+const isSbeFullyEnabled = checkSBEEnabled(db, ["featureFlagSbeFull"]);
+const sbeFullCases = [
+    // Match filters with $expr.
+    [{$match: {$expr: {$eq: ["$a", "$b"]}}}],
+    [{$match: {$and: [{$expr: {$eq: ["$a", "$b"]}}, {c: 1}]}}],
+
+    // Dotted projections.
+    [{$project: {"a.b": 1}}],
+    [{$project: {"a.b": 0}}],
+    [{$project: {"a.b": 1, "a.c": 1}}],
+    [{$project: {"a.b.c.d.e.f.g": 0, "h.i.j.k": 0}}],
+
+    // Computed projections.
+    [{$project: {a: {$add: ["$foo", "$bar"]}}}],
+    [{$project: {a: {$divide: ["$foo", "$bar"]}}}],
+
+    // Sorts with common prefixes.
+    [{$sort: {"a.b": 1, "a.c": 1}}],
+    [{$sort: {"a.b.f.g": 1, "a.d.e.f": 1}}],
+    [{$sort: {"a": 1, "b": 1, "c.d": 1, "c.f": 1}}],
+
+    // Mix SBE-eligible and non-SBE eligible filters, projections and sorts.
+
+    // Match filters with $expr should inhibit pushdown.
+    [{$project: {a: 1, b: 1}}, {$match: {$expr: {$eq: ["$a", "$b"]}}}],
+    [{$match: {$and: [{$expr: {$eq: ["$a", "$b"]}}, {c: 1}]}}, {$sort: {a: 1, d: 1}}],
+    [
+        {$match: {$and: [{$expr: {$eq: ["$a", "$b"]}}, {c: 1}]}},
+        {
+            $lookup:
+                {from: collName, localField: "c_custkey", foreignField: "o_custkey", as: "custsale"}
+        }
+    ],
+
+    // Dotted projections should inhibit pushdown.
+    [{$match: {d: 1}}, {$project: {"a.b": 1}}],
+    [{$sort: {d: 1, e: 1}}, {$project: {"a.b": 0}}],
+    [{$match: {$or: [{a: {$gt: 0}}, {b: {$gt: 0}}]}}, {$project: {"d.a": 1}}],
+
+    [
+        {$project: {"a.b": 1, "a.d": 1}},
+        {$lookup: {from: collName, localField: "a", foreignField: "a", as: "out"}},
+    ],
+
+    // Computed projections should inhibit pushdown.
+    [{$match: {foo: {$gt: 0}}}, {$project: {a: {$add: ["$foo", "$bar"]}}}],
+    [{$project: {a: {$add: ["$foo", "$bar"]}}}, {$sort: {a: 1}}],
+    [
+        {$project: {a: {$add: ["$foo", "$bar"]}}},
+        {$group: {_id: "$a", "ct": {$sum: 1}}},
+    ],
+    [
+        {$project: {a: {$add: ["$out", 1]}}},
+        {$lookup: {from: collName, localField: "a", foreignField: "a", as: "out"}},
+    ],
+
+    // Sorts with common prefixes should inhibit pushdown.
+    [{$match: {foo: {$gt: 0}}}, {$sort: {"a.b": 1, "a.c": 1}}],
+    [{$sort: {"a.b.f.g": 1, "a.d.e.f": 1}}, {$project: {a: 1}}],
+    [{$match: {$or: [{a: {$gt: 0}}, {b: {$gt: 0}}]}}, {$sort: {"d.a": 1, "d.b": 1}}],
+    [
+        {$sort: {"a.b": 1, "a.c": 1}},
+        {$group: {_id: {a: "$foo", b: "$bar"}, "a": {$sum: 1}}},
+    ],
+    [
+        {$sort: {"b.c": 1, "b.d": 1}},
+        {$lookup: {from: collName, localField: "a", foreignField: "a", as: "out"}},
+    ],
+
+    // TPC-H query whose $lookup is SBE compatible, but which features a $match which uses $expr.
+    // Note that $match will be pushed to the front of the pipeline.
+    [
+        {
+            $lookup:
+                {from: collName, localField: "c_custkey", foreignField: "o_custkey", as: "custsale"}
+        },
+        {$addFields: {cntrycode: {$substr: ["$c_phone", 0, 2]}, custsale: {$size: "$custsale"}}},
+        {
+            $match: {
+                $and: [
+                    {
+                        $expr: {
+                            $in: [
+                                "$cntrycode",
+                                [
+                                    {$toString: "13"},
+                                    {$toString: "31"},
+                                    {$toString: "23"},
+                                    {$toString: "29"},
+                                    {$toString: "30"},
+                                    {$toString: "18"},
+                                    {$toString: "17"}
+                                ]
+                            ]
+                        }
+                    },
+                    {$expr: {$gt: ["$c_acctbal", 0.00]}}
+                ]
+            }
+        }
+    ],
+];
+
+for (const pipeline of sbeFullCases) {
+    assertEngineUsed(coll, pipeline, isSbeFullyEnabled /* isSBE */);
+}
+})();
diff --git a/jstests/sharding/invalidate_plan_cache_entries_when_collection_generation_changes.js b/jstests/sharding/invalidate_plan_cache_entries_when_collection_generation_changes.js
index 6aafb4c44ae..ffc349fa76b 100644
--- a/jstests/sharding/invalidate_plan_cache_entries_when_collection_generation_changes.js
+++ b/jstests/sharding/invalidate_plan_cache_entries_when_collection_generation_changes.js
@@ -1,6 +1,11 @@
 /**
  * Tests that plan cache entries are deleted after shard key refining, resharding and renaming
  * operations.
+ *
+ *  @tags: [
+ *   # The SBE plan cache was enabled by default in 6.3.
+ *   requires_fcv_63,
+ * ]
  */
 
 // Cannot run the filtering metadata check on tests that run refineCollectionShardKey.
@@ -28,7 +33,7 @@ const db = st.getDB(dbName);
 const collA = db["collA"];
 const collB = db["collB"];
 
-if (!checkSBEEnabled(db, ["featureFlagSbeFull"])) {
+if (!checkSBEEnabled(db)) {
     jsTestLog("********** Skip the test because SBE is disabled **********");
     st.stop();
     return;
diff --git a/jstests/sharding/sbe_plan_cache_does_not_block_range_deletion.js b/jstests/sharding/sbe_plan_cache_does_not_block_range_deletion.js
index e48b23ccf44..b117f7b3e69 100644
--- a/jstests/sharding/sbe_plan_cache_does_not_block_range_deletion.js
+++ b/jstests/sharding/sbe_plan_cache_does_not_block_range_deletion.js
@@ -24,7 +24,7 @@ const st = new ShardingTest({mongos: 1, config: 1, shards: 2});
 assert.commandWorked(st.s.adminCommand({enableSharding: dbName}));
 st.ensurePrimaryShard(dbName, st.shard0.shardName);
 
-const isSbeFullyEnabled = checkSBEEnabled(st.s.getDB(dbName), ["featureFlagSbeFull"]);
+const isSBEEnabled = checkSBEEnabled(st.s.getDB(dbName));
 
 const coll = st.s.getDB(dbName)[collName];
 
@@ -67,9 +67,9 @@ function runTest({indexes, document, filter}) {
     });
 }
 
-// Scenario with just one available indexed plan. If SBE is fully enabled, then the SBE plan cache
-// is in use and we expect a pinned plan cache entry.
-if (isSbeFullyEnabled) {
+// Scenario with just one available indexed plan. If SBE is enabled, then the SBE plan cache is in
+// use and we expect a pinned plan cache entry.
+if (isSBEEnabled) {
     runTest({indexes: [{a: 1}], document: {_id: 0, a: "abc"}, filter: {a: "abc"}});
 }
 
@@ -83,8 +83,8 @@ runTest({
 // Test a rooted $or query. This should use the subplanner. The way that the subplanner interacts
 // with the plan cache differs between the classic engine and SBE. In the classic engine, the plan
 // for each branch is cached independently, whereas in SBE we cache the entire "composite" plan.
-// This test is written to expect the SBE behavior, so it only runs when SBE is fully enabled.
-if (isSbeFullyEnabled) {
+// This test is written to expect the SBE behavior, so it only runs when SBE is enabled.
+if (isSBEEnabled) {
     runTest({
         indexes: [{a: 1}, {b: 1}, {c: 1}, {d: 1}],
         document: {_id: 0, a: "abc", b: "123", c: 4, d: 5},
diff --git a/src/mongo/db/commands/external_data_source_commands_test.cpp b/src/mongo/db/commands/external_data_source_commands_test.cpp
index 217773fa023..76ff967c904 100644
--- a/src/mongo/db/commands/external_data_source_commands_test.cpp
+++ b/src/mongo/db/commands/external_data_source_commands_test.cpp
@@ -482,10 +482,16 @@ TEST_F(ExternalDataSourceCommandsTest, ScanOverRandomInvalidDataAggRequest) {
     pw.wait();
 
     DBDirectClient client(_opCtx);
+
+    // Normally, it would be useful to test an aggregation which features a match filter. However,
+    // when reading invalid BSON, we can potentially crash because the underlying query execution
+    // plan assumes that it is reading valid BSON. As such, this test case could be written to use a
+    // match filter when reading invalid BSON when it is the case that the underlying cursor can
+    // guarantee that any BSONObj given to the query execution plan is valid.
     auto aggCmdObj = fromjson(R"(
 {
     aggregate: "coll",
-    pipeline: [{$match: {a: {$lt: 5}}}],
+    pipeline: [],
     cursor: {},
     $_externalDataSources: [{
         collName: "coll",
diff --git a/src/mongo/db/commands/index_filter_commands.cpp b/src/mongo/db/commands/index_filter_commands.cpp
index 423014c0c04..79e9b8a18da 100644
--- a/src/mongo/db/commands/index_filter_commands.cpp
+++ b/src/mongo/db/commands/index_filter_commands.cpp
@@ -203,12 +203,9 @@ Status ClearFilters::runIndexFilterCommand(OperationContext* opCtx,
     invariant(querySettings);
 
     PlanCache* planCacheClassic = CollectionQueryInfo::get(collection).getPlanCache();
-    sbe::PlanCache* planCacheSBE = nullptr;
     invariant(planCacheClassic);
-
-    if (feature_flags::gFeatureFlagSbeFull.isEnabledAndIgnoreFCV()) {
-        planCacheSBE = &sbe::getPlanCache(opCtx);
-    }
+    sbe::PlanCache* planCacheSBE = &sbe::getPlanCache(opCtx);
+    invariant(planCacheSBE);
 
     return clear(opCtx, collection, cmdObj, querySettings, planCacheClassic, planCacheSBE);
 }
@@ -327,12 +324,9 @@ Status SetFilter::runIndexFilterCommand(OperationContext* opCtx,
     invariant(querySettings);
 
     PlanCache* planCacheClassic = CollectionQueryInfo::get(collection).getPlanCache();
-    sbe::PlanCache* planCacheSBE = nullptr;
     invariant(planCacheClassic);
-
-    if (feature_flags::gFeatureFlagSbeFull.isEnabledAndIgnoreFCV()) {
-        planCacheSBE = &sbe::getPlanCache(opCtx);
-    }
+    sbe::PlanCache* planCacheSBE = &sbe::getPlanCache(opCtx);
+    invariant(planCacheSBE);
 
     return set(opCtx, collection, cmdObj, querySettings, planCacheClassic, planCacheSBE);
 }
diff --git a/src/mongo/db/commands/plan_cache_clear_command.cpp b/src/mongo/db/commands/plan_cache_clear_command.cpp
index 88b3c9ef07d..9e640a5863e 100644
--- a/src/mongo/db/commands/plan_cache_clear_command.cpp
+++ b/src/mongo/db/commands/plan_cache_clear_command.cpp
@@ -90,11 +90,8 @@ Status clear(OperationContext* opCtx,
             canonical_query_encoder::encodeForPlanCacheCommand(*cq))};
         plan_cache_commands::removePlanCacheEntriesByPlanCacheCommandKeys(planCacheCommandKeys,
                                                                           planCache);
-
-        if (feature_flags::gFeatureFlagSbeFull.isEnabledAndIgnoreFCV()) {
-            plan_cache_commands::removePlanCacheEntriesByPlanCacheCommandKeys(
-                planCacheCommandKeys, collection->uuid(), &sbe::getPlanCache(opCtx));
-        }
+        plan_cache_commands::removePlanCacheEntriesByPlanCacheCommandKeys(
+            planCacheCommandKeys, collection->uuid(), &sbe::getPlanCache(opCtx));
 
         return Status::OK();
     }
@@ -109,13 +106,11 @@ Status clear(OperationContext* opCtx,
 
     planCache->clear();
 
-    if (feature_flags::gFeatureFlagSbeFull.isEnabledAndIgnoreFCV()) {
-        auto version = CollectionQueryInfo::get(collection).getPlanCacheInvalidatorVersion();
-        sbe::clearPlanCacheEntriesWith(opCtx->getServiceContext(),
-                                       collection->uuid(),
-                                       version,
-                                       false /*matchSecondaryCollections*/);
-    }
+    auto version = CollectionQueryInfo::get(collection).getPlanCacheInvalidatorVersion();
+    sbe::clearPlanCacheEntriesWith(opCtx->getServiceContext(),
+                                   collection->uuid(),
+                                   version,
+                                   false /*matchSecondaryCollections*/);
 
     LOGV2_DEBUG(
         23908, 1, "{namespace}: Cleared plan cache", "Cleared plan cache", "namespace"_attr = ns);
diff --git a/src/mongo/db/exec/plan_cache_util.cpp b/src/mongo/db/exec/plan_cache_util.cpp
index 265eb1e70e7..f223afc79f9 100644
--- a/src/mongo/db/exec/plan_cache_util.cpp
+++ b/src/mongo/db/exec/plan_cache_util.cpp
@@ -76,8 +76,7 @@ void updatePlanCache(OperationContext* opCtx,
                      const stage_builder::PlanStageData& data) {
     // TODO SERVER-67576: re-enable caching of "explode for sort" plans in the SBE cache.
     if (shouldCacheQuery(query) && collections.getMainCollection() &&
-        !solution.hasExplodedForSort &&
-        feature_flags::gFeatureFlagSbeFull.isEnabledAndIgnoreFCV()) {
+        !solution.hasExplodedForSort) {
         auto key = plan_cache_key_factory::make(query, collections);
         auto plan = std::make_unique<sbe::CachedSbePlan>(root.clone(), data);
         plan->indexFilterApplied = solution.indexFilterApplied;
diff --git a/src/mongo/db/exec/plan_cache_util.h b/src/mongo/db/exec/plan_cache_util.h
index b233338882f..05b8e3d6a36 100644
--- a/src/mongo/db/exec/plan_cache_util.h
+++ b/src/mongo/db/exec/plan_cache_util.h
@@ -200,35 +200,31 @@ void updatePlanCache(
 
         if (winningPlan.solution->cacheData != nullptr) {
             if constexpr (std::is_same_v<PlanStageType, std::unique_ptr<sbe::PlanStage>>) {
-                if (feature_flags::gFeatureFlagSbeFull.isEnabledAndIgnoreFCV()) {
-                    tassert(6142201,
-                            "The winning CandidatePlan should contain the original plan",
-                            winningPlan.clonedPlan);
-                    // Clone the winning SBE plan and its auxiliary data.
-                    auto cachedPlan = std::make_unique<sbe::CachedSbePlan>(
-                        std::move(winningPlan.clonedPlan->first),
-                        std::move(winningPlan.clonedPlan->second));
-                    cachedPlan->indexFilterApplied = winningPlan.solution->indexFilterApplied;
-
-                    auto buildDebugInfoFn = [soln = winningPlan.solution.get()]()
-                        -> plan_cache_debug_info::DebugInfoSBE { return buildDebugInfo(soln); };
-                    PlanCacheCallbacksImpl<sbe::PlanCacheKey,
-                                           sbe::CachedSbePlan,
-                                           plan_cache_debug_info::DebugInfoSBE>
-                        callbacks{query, buildDebugInfoFn};
-                    uassertStatusOK(sbe::getPlanCache(opCtx).set(
-                        plan_cache_key_factory::make(query, collections),
-                        std::move(cachedPlan),
-                        *rankingDecision,
-                        opCtx->getServiceContext()->getPreciseClockSource()->now(),
-                        &callbacks,
-                        boost::none /* worksGrowthCoefficient */));
-                } else {
-                    // Fall back to use the classic plan cache.
-                    //
-                    // TODO SERVER-64882: Remove this branch after "gFeatureFlagSbeFull" is removed.
-                    cacheClassicPlan();
-                }
+                tassert(6142201,
+                        "The winning CandidatePlan should contain the original plan",
+                        winningPlan.clonedPlan);
+
+                // Clone the winning SBE plan and its auxiliary data.
+                auto cachedPlan =
+                    std::make_unique<sbe::CachedSbePlan>(std::move(winningPlan.clonedPlan->first),
+                                                         std::move(winningPlan.clonedPlan->second));
+                cachedPlan->indexFilterApplied = winningPlan.solution->indexFilterApplied;
+
+                auto buildDebugInfoFn =
+                    [soln = winningPlan.solution.get()]() -> plan_cache_debug_info::DebugInfoSBE {
+                    return buildDebugInfo(soln);
+                };
+                PlanCacheCallbacksImpl<sbe::PlanCacheKey,
+                                       sbe::CachedSbePlan,
+                                       plan_cache_debug_info::DebugInfoSBE>
+                    callbacks{query, buildDebugInfoFn};
+                uassertStatusOK(sbe::getPlanCache(opCtx).set(
+                    plan_cache_key_factory::make(query, collections),
+                    std::move(cachedPlan),
+                    *rankingDecision,
+                    opCtx->getServiceContext()->getPreciseClockSource()->now(),
+                    &callbacks,
+                    boost::none /* worksGrowthCoefficient */));
             } else {
                 static_assert(std::is_same_v<PlanStageType, PlanStage*>);
                 cacheClassicPlan();
diff --git a/src/mongo/db/exec/sbe/expressions/expression.cpp b/src/mongo/db/exec/sbe/expressions/expression.cpp
index a96a559cd2d..26266070fa2 100644
--- a/src/mongo/db/exec/sbe/expressions/expression.cpp
+++ b/src/mongo/db/exec/sbe/expressions/expression.cpp
@@ -933,21 +933,6 @@ vm::CodeFragment generateTraverseCellTypes(CompileCtx& ctx,
     return generatorLegacy<&vm::CodeFragment::appendTraverseCellTypes>(ctx, nodes, false);
 }
 
-vm::CodeFragment generateClassicMatcher(CompileCtx& ctx, const EExpression::Vector& nodes, bool) {
-    tassert(6681400,
-            "First argument to applyClassicMatcher must be constant",
-            nodes[0]->as<EConstant>());
-    auto [matcherTag, matcherVal] = nodes[0]->as<EConstant>()->getConstant();
-    tassert(6681409,
-            "First argument to applyClassicMatcher must be a classic matcher",
-            matcherTag == value::TypeTags::classicMatchExpresion);
-
-    vm::CodeFragment code;
-    code.append(nodes[1]->compileDirect(ctx));
-    code.appendApplyClassicMatcher(value::getClassicMatchExpressionView(matcherVal));
-    return code;
-}
-
 /**
  * The map of functions that resolve directly to instructions.
  */
@@ -986,7 +971,6 @@ static stdx::unordered_map<std::string, InstrFn> kInstrFunctions = {
     {"isMinKey", InstrFn{1, generator<1, &vm::CodeFragment::appendIsMinKey>, false}},
     {"isMaxKey", InstrFn{1, generator<1, &vm::CodeFragment::appendIsMaxKey>, false}},
     {"isTimestamp", InstrFn{1, generator<1, &vm::CodeFragment::appendIsTimestamp>, false}},
-    {"applyClassicMatcher", InstrFn{2, generateClassicMatcher, false}},
 };
 }  // namespace
 
diff --git a/src/mongo/db/exec/sbe/values/value.cpp b/src/mongo/db/exec/sbe/values/value.cpp
index e21bc694784..a24883a7be9 100644
--- a/src/mongo/db/exec/sbe/values/value.cpp
+++ b/src/mongo/db/exec/sbe/values/value.cpp
@@ -348,9 +348,6 @@ void releaseValueDeep(TypeTags tag, Value val) noexcept {
         case TypeTags::indexBounds:
             delete getIndexBoundsView(val);
             break;
-        case TypeTags::classicMatchExpresion:
-            delete getClassicMatchExpressionView(val);
-            break;
         default:
             break;
     }
diff --git a/src/mongo/db/exec/sbe/values/value.h b/src/mongo/db/exec/sbe/values/value.h
index 0459118ddf1..88cf3d3b011 100644
--- a/src/mongo/db/exec/sbe/values/value.h
+++ b/src/mongo/db/exec/sbe/values/value.h
@@ -191,9 +191,6 @@ enum class TypeTags : uint8_t {
 
     // Pointer to a IndexBounds object.
     indexBounds,
-
-    // Pointer to a classic engine match expression.
-    classicMatchExpresion,
 };
 
 inline constexpr bool isNumber(TypeTags tag) noexcept {
@@ -1261,10 +1258,6 @@ inline IndexBounds* getIndexBoundsView(Value val) noexcept {
     return reinterpret_cast<IndexBounds*>(val);
 }
 
-inline MatchExpression* getClassicMatchExpressionView(Value val) noexcept {
-    return reinterpret_cast<MatchExpression*>(val);
-}
-
 inline sbe::value::CsiCell* getCsiCellView(Value val) noexcept {
     return reinterpret_cast<sbe::value::CsiCell*>(val);
 }
@@ -1479,12 +1472,6 @@ inline std::pair<TypeTags, Value> copyValue(TypeTags tag, Value val) {
             return makeCopyCollator(*getCollatorView(val));
         case TypeTags::indexBounds:
             return makeCopyIndexBounds(*getIndexBoundsView(val));
-        case TypeTags::classicMatchExpresion:
-            // Beware: "shallow cloning" a match expression does not copy the underlying BSON. The
-            // original BSON must remain alive for both the original MatchExpression and the clone.
-            return {TypeTags::classicMatchExpresion,
-                    bitcastFrom<const MatchExpression*>(
-                        getClassicMatchExpressionView(val)->shallowClone().release())};
         default:
             break;
     }
diff --git a/src/mongo/db/exec/sbe/values/value_printer.cpp b/src/mongo/db/exec/sbe/values/value_printer.cpp
index 4cd70a9196b..2405f698f3f 100644
--- a/src/mongo/db/exec/sbe/values/value_printer.cpp
+++ b/src/mongo/db/exec/sbe/values/value_printer.cpp
@@ -163,9 +163,6 @@ void ValuePrinter<T>::writeTagToStream(TypeTags tag) {
         case TypeTags::indexBounds:
             stream << "indexBounds";
             break;
-        case TypeTags::classicMatchExpresion:
-            stream << "classicMatchExpression";
-            break;
         case TypeTags::csiCell:
             stream << "csiCell";
             break;
@@ -539,9 +536,6 @@ void ValuePrinter<T>::writeValueToStream(TypeTags tag, Value val, size_t depth)
                 getIndexBoundsView(val)->toString(true /* hasNonSimpleCollation */));
             stream << ")";
             break;
-        case TypeTags::classicMatchExpresion:
-            stream << "ClassicMatcher(" << getClassicMatchExpressionView(val)->toString() << ")";
-            break;
         case TypeTags::csiCell:
             stream << "CsiCell(" << getCsiCellView(val) << ")";
             break;
diff --git a/src/mongo/db/exec/sbe/vm/vm.cpp b/src/mongo/db/exec/sbe/vm/vm.cpp
index 3a8e48daf0a..35dab757964 100644
--- a/src/mongo/db/exec/sbe/vm/vm.cpp
+++ b/src/mongo/db/exec/sbe/vm/vm.cpp
@@ -166,7 +166,6 @@ int Instruction::stackOffset[Instruction::Tags::lastInstruction] = {
 
     -1,  // fail
 
-    0,  // applyClassicMatcher
     0,  // dateTruncImm
 };
 
@@ -482,18 +481,6 @@ void CodeFragment::appendNumericConvert(value::TypeTags targetTag) {
     adjustStackSimple(i);
 }
 
-void CodeFragment::appendApplyClassicMatcher(const MatchExpression* matcher) {
-    Instruction i;
-    i.tag = Instruction::applyClassicMatcher;
-
-    auto offset = allocateSpace(sizeof(Instruction) + sizeof(matcher));
-
-    offset += writeToMemory(offset, i);
-    offset += writeToMemory(offset, matcher);
-
-    adjustStackSimple(i);
-}
-
 void CodeFragment::appendSub(Instruction::Parameter lhs, Instruction::Parameter rhs) {
     appendSimpleInstruction(Instruction::sub, lhs, rhs);
 }
@@ -5750,28 +5737,6 @@ MONGO_COMPILER_NORETURN void ByteCode::runFailInstruction() {
 
     uasserted(code, message);
 }
-
-void ByteCode::runClassicMatcher(const MatchExpression* matcher) {
-    auto [ownedObj, tagObj, valObj] = getFromStack(0);
-
-    BSONObj bsonObjForMatching;
-    if (tagObj == value::TypeTags::Object) {
-        BSONObjBuilder builder;
-        sbe::bson::convertToBsonObj(builder, sbe::value::getObjectView(valObj));
-        bsonObjForMatching = builder.obj();
-    } else if (tagObj == value::TypeTags::bsonObject) {
-        auto bson = value::getRawPointerView(valObj);
-        bsonObjForMatching = BSONObj(bson);
-    } else {
-        MONGO_UNREACHABLE_TASSERT(6681402);
-    }
-
-    bool res = matcher->matchesBSON(bsonObjForMatching);
-    if (ownedObj) {
-        value::releaseValue(tagObj, valObj);
-    }
-    topStack(false, value::TypeTags::Boolean, value::bitcastFrom<bool>(res));
-}
 template <typename T>
 void ByteCode::runTagCheck(const uint8_t*& pcPointer, T&& predicate) {
     auto [popParam, offsetParam] = decodeParam(pcPointer);
@@ -6782,13 +6747,6 @@ void ByteCode::runInternal(const CodeFragment* code, int64_t position) {
                 runFailInstruction();
                 break;
             }
-            case Instruction::applyClassicMatcher: {
-                const auto* matcher = readFromMemory<const MatchExpression*>(pcPointer);
-                pcPointer += sizeof(matcher);
-
-                runClassicMatcher(matcher);
-                break;
-            }
             case Instruction::dateTruncImm: {
                 auto unit = readFromMemory<TimeUnit>(pcPointer);
                 pcPointer += sizeof(unit);
diff --git a/src/mongo/db/exec/sbe/vm/vm.h b/src/mongo/db/exec/sbe/vm/vm.h
index b6ee6d2dc75..7034e1fabfe 100644
--- a/src/mongo/db/exec/sbe/vm/vm.h
+++ b/src/mongo/db/exec/sbe/vm/vm.h
@@ -349,8 +349,6 @@ struct Instruction {
 
         fail,
 
-        applyClassicMatcher,  // Instruction which calls into the classic engine MatchExpression.
-
         dateTruncImm,
 
         lastInstruction  // this is just a marker used to calculate number of instructions
@@ -577,8 +575,6 @@ struct Instruction {
                 return "allocStack";
             case fail:
                 return "fail";
-            case applyClassicMatcher:
-                return "applyClassicMatcher";
             case dateTruncImm:
                 return "dateTruncImm";
             default:
@@ -890,7 +886,6 @@ public:
     void appendAllocStack(uint32_t size);
     void appendFail();
     void appendNumericConvert(value::TypeTags targetTag);
-    void appendApplyClassicMatcher(const MatchExpression*);
 
     // For printing from an interactive debugger.
     std::string toString() const;
@@ -999,7 +994,6 @@ private:
     void runLambdaInternal(const CodeFragment* code, int64_t position);
 
     MONGO_COMPILER_NORETURN void runFailInstruction();
-    void runClassicMatcher(const MatchExpression* matcher);
 
     template <typename T>
     void runTagCheck(const uint8_t*& pcPointer, T&& predicate);
diff --git a/src/mongo/db/exec/sbe/vm/vm_printer.cpp b/src/mongo/db/exec/sbe/vm/vm_printer.cpp
index 8ac6fe532c2..85c59dc9957 100644
--- a/src/mongo/db/exec/sbe/vm/vm_printer.cpp
+++ b/src/mongo/db/exec/sbe/vm/vm_printer.cpp
@@ -49,10 +49,6 @@ struct CodeFragmentFormatter<CodeFragmentPrinter::PrintFormat::Debug> {
         return SlotAccessorFmt{accessor};
     }
 
-    auto matchExpression(const MatchExpression* matcher) {
-        return MatchExpressionFmt{matcher};
-    }
-
     struct PcPointerFmt {
         const uint8_t* pcPointer;
     };
@@ -60,10 +56,6 @@ struct CodeFragmentFormatter<CodeFragmentPrinter::PrintFormat::Debug> {
     struct SlotAccessorFmt {
         value::SlotAccessor* accessor;
     };
-
-    struct MatchExpressionFmt {
-        const MatchExpression* matcher;
-    };
 };
 
 template <typename charT, typename traits>
@@ -80,13 +72,6 @@ std::basic_ostream<charT, traits>& operator<<(
     return os << static_cast<const void*>(a.accessor);
 }
 
-template <typename charT, typename traits>
-std::basic_ostream<charT, traits>& operator<<(
-    std::basic_ostream<charT, traits>& os,
-    const CodeFragmentFormatter<CodeFragmentPrinter::PrintFormat::Debug>::MatchExpressionFmt& a) {
-    return os << static_cast<const void*>(a.matcher);
-}
-
 template <>
 struct CodeFragmentFormatter<CodeFragmentPrinter::PrintFormat::Stable> {
     CodeFragmentFormatter(const CodeFragment& code) : code(code) {}
@@ -99,10 +84,6 @@ struct CodeFragmentFormatter<CodeFragmentPrinter::PrintFormat::Stable> {
         return SlotAccessorFmt{accessor};
     }
 
-    auto matchExpression(const MatchExpression* matcher) {
-        return MatchExpressionFmt{matcher};
-    }
-
     struct PcPointerFmt {
         const uint8_t* pcPointer;
         const uint8_t* pcBegin;
@@ -112,10 +93,6 @@ struct CodeFragmentFormatter<CodeFragmentPrinter::PrintFormat::Stable> {
         value::SlotAccessor* accessor;
     };
 
-    struct MatchExpressionFmt {
-        const MatchExpression* matcher;
-    };
-
     const CodeFragment& code;
 };
 
@@ -137,13 +114,6 @@ std::basic_ostream<charT, traits>& operator<<(
     return os << "<accessor>";
 }
 
-template <typename charT, typename traits>
-std::basic_ostream<charT, traits>& operator<<(
-    std::basic_ostream<charT, traits>& os,
-    const CodeFragmentFormatter<CodeFragmentPrinter::PrintFormat::Stable>::MatchExpressionFmt& a) {
-    return os << "<matchExpression>";
-}
-
 template <typename Formatter>
 class CodeFragmentPrinterImpl {
 public:
@@ -328,12 +298,6 @@ public:
                     os << "accessor: " << _formatter.slotAccessor(accessor);
                     break;
                 }
-                case Instruction::applyClassicMatcher: {
-                    const auto* matcher = readFromMemory<const MatchExpression*>(pcPointer);
-                    pcPointer += sizeof(matcher);
-                    os << "matcher: " << _formatter.matchExpression(matcher);
-                    break;
-                }
                 case Instruction::numConvert: {
                     auto tag = readFromMemory<value::TypeTags>(pcPointer);
                     pcPointer += sizeof(tag);
diff --git a/src/mongo/db/pipeline/process_interface/common_mongod_process_interface.cpp b/src/mongo/db/pipeline/process_interface/common_mongod_process_interface.cpp
index 1ce2581a1e7..471727946c4 100644
--- a/src/mongo/db/pipeline/process_interface/common_mongod_process_interface.cpp
+++ b/src/mongo/db/pipeline/process_interface/common_mongod_process_interface.cpp
@@ -569,22 +569,21 @@ std::vector<BSONObj> CommonMongodProcessInterface::getMatchingPlanCacheEntryStat
     auto planCacheEntries =
         planCache->getMatchingStats({} /* cacheKeyFilterFunc */, serializer, predicate);
 
-    if (feature_flags::gFeatureFlagSbeFull.isEnabledAndIgnoreFCV()) {
-        // Retrieve plan cache entries from the SBE plan cache.
-        const auto cacheKeyFilter = [uuid = collection->uuid(),
-                                     collVersion = collQueryInfo.getPlanCacheInvalidatorVersion()](
-                                        const sbe::PlanCacheKey& key) {
-            // Only fetch plan cache entries with keys matching given UUID and collectionVersion.
-            return uuid == key.getMainCollectionState().uuid &&
-                collVersion == key.getMainCollectionState().version;
-        };
-
-        auto planCacheEntriesSBE =
-            sbe::getPlanCache(opCtx).getMatchingStats(cacheKeyFilter, serializer, predicate);
-
-        planCacheEntries.insert(
-            planCacheEntries.end(), planCacheEntriesSBE.begin(), planCacheEntriesSBE.end());
-    }
+    // Retrieve plan cache entries from the SBE plan cache.
+    const auto cacheKeyFilter = [uuid = collection->uuid(),
+                                 collVersion = collQueryInfo.getPlanCacheInvalidatorVersion()](
+                                    const sbe::PlanCacheKey& key) {
+        // Only fetch plan cache entries with keys matching given UUID and collectionVersion.
+        return uuid == key.getMainCollectionState().uuid &&
+            collVersion == key.getMainCollectionState().version;
+    };
+
+    auto planCacheEntriesSBE =
+        sbe::getPlanCache(opCtx).getMatchingStats(cacheKeyFilter, serializer, predicate);
+
+    planCacheEntries.insert(
+        planCacheEntries.end(), planCacheEntriesSBE.begin(), planCacheEntriesSBE.end());
+
 
     return planCacheEntries;
 }
diff --git a/src/mongo/db/query/canonical_query.cpp b/src/mongo/db/query/canonical_query.cpp
index 516e33fe15a..45fc3ef9c41 100644
--- a/src/mongo/db/query/canonical_query.cpp
+++ b/src/mongo/db/query/canonical_query.cpp
@@ -208,8 +208,7 @@ Status CanonicalQuery::init(OperationContext* opCtx,
     _root = MatchExpression::normalize(std::move(root));
 
     // If caching is disabled, do not perform any autoparameterization.
-    if (!internalQueryDisablePlanCache.load() &&
-        feature_flags::gFeatureFlagSbeFull.isEnabledAndIgnoreFCV()) {
+    if (!internalQueryDisablePlanCache.load()) {
         const bool hasNoTextNodes =
             !QueryPlannerCommon::hasNode(_root.get(), MatchExpression::TEXT);
         if (hasNoTextNodes) {
@@ -548,10 +547,8 @@ std::string CanonicalQuery::toStringShort() const {
 }
 
 CanonicalQuery::QueryShapeString CanonicalQuery::encodeKey() const {
-    return (feature_flags::gFeatureFlagSbeFull.isEnabledAndIgnoreFCV() && !_forceClassicEngine &&
-            _sbeCompatible)
-        ? canonical_query_encoder::encodeSBE(*this)
-        : canonical_query_encoder::encode(*this);
+    return (!_forceClassicEngine && _sbeCompatible) ? canonical_query_encoder::encodeSBE(*this)
+                                                    : canonical_query_encoder::encode(*this);
 }
 
 CanonicalQuery::QueryShapeString CanonicalQuery::encodeKeyForPlanCacheCommand() const {
diff --git a/src/mongo/db/query/canonical_query_encoder.cpp b/src/mongo/db/query/canonical_query_encoder.cpp
index 93036c4feda..4313b6efc2b 100644
--- a/src/mongo/db/query/canonical_query_encoder.cpp
+++ b/src/mongo/db/query/canonical_query_encoder.cpp
@@ -44,7 +44,6 @@
 #include "mongo/db/pipeline/document_source_lookup.h"
 #include "mongo/db/query/analyze_regex.h"
 #include "mongo/db/query/projection.h"
-#include "mongo/db/query/query_feature_flags_gen.h"
 #include "mongo/db/query/query_knobs_gen.h"
 #include "mongo/db/query/tree_walker.h"
 #include "mongo/logv2/log.h"
@@ -1089,9 +1088,6 @@ void encodeKeyForAutoParameterizedMatchSBE(MatchExpression* matchExpr, BufBuilde
 }  // namespace
 
 std::string encodeSBE(const CanonicalQuery& cq) {
-    tassert(6512900,
-            "using the SBE plan cache key encoding requires SBE to be fully enabled",
-            feature_flags::gFeatureFlagSbeFull.isEnabledAndIgnoreFCV());
     tassert(6142104,
             "attempting to encode SBE plan cache key for SBE-incompatible query",
             cq.isSbeCompatible());
diff --git a/src/mongo/db/query/canonical_query_encoder_test.cpp b/src/mongo/db/query/canonical_query_encoder_test.cpp
index 4987272cf80..12593f56490 100644
--- a/src/mongo/db/query/canonical_query_encoder_test.cpp
+++ b/src/mongo/db/query/canonical_query_encoder_test.cpp
@@ -427,9 +427,6 @@ TEST(CanonicalQueryEncoderTest, ComputeKeySBE) {
     // SBE must be enabled in order to generate SBE plan cache keys.
     RAIIServerParameterControllerForTest controllerSBE("internalQueryFrameworkControl",
                                                        "trySbeEngine");
-
-    RAIIServerParameterControllerForTest controllerSBEPlanCache("featureFlagSbeFull", true);
-
     testComputeSBEKey(gctx, "{}", "{}", "{}");
     testComputeSBEKey(gctx, "{$or: [{a: 1}, {b: 2}]}", "{}", "{}");
     testComputeSBEKey(gctx, "{a: 1}", "{}", "{}");
@@ -502,7 +499,6 @@ TEST(CanonicalQueryEncoderTest, ComputeKeySBEWithPipeline) {
     RAIIServerParameterControllerForTest controllerSBE("internalQueryFrameworkControl",
                                                        "trySbeEngine");
 
-    RAIIServerParameterControllerForTest controllerSBEPlanCache("featureFlagSbeFull", true);
 
     auto getLookupBson = [](StringData localField, StringData foreignField, StringData asField) {
         return BSON("$lookup" << BSON("from" << foreignNss.coll() << "localField" << localField
@@ -532,7 +528,6 @@ TEST(CanonicalQueryEncoderTest, ComputeKeySBEWithReadConcern) {
     // SBE must be enabled in order to generate SBE plan cache keys.
     RAIIServerParameterControllerForTest controllerSBE("internalQueryFrameworkControl",
                                                        "trySbeEngine");
-    RAIIServerParameterControllerForTest controllerSBEPlanCache("featureFlagSbeFull", true);
 
     // Find command without read concern.
     auto findCommand = std::make_unique<FindCommandRequest>(nss);
diff --git a/src/mongo/db/query/canonical_query_test.cpp b/src/mongo/db/query/canonical_query_test.cpp
index a15a3b918b0..2fb5614fd16 100644
--- a/src/mongo/db/query/canonical_query_test.cpp
+++ b/src/mongo/db/query/canonical_query_test.cpp
@@ -456,7 +456,6 @@ TEST(CanonicalQueryTest, InvalidSortOrdersFailToCanonicalize) {
 }
 
 TEST(CanonicalQueryTest, DoNotParameterizeTextExpressions) {
-    RAIIServerParameterControllerForTest controllerSBEPlanCache("featureFlagSbeFull", true);
     auto cq =
         canonicalize("{$text: {$search: \"Hello World!\"}}",
                      MatchExpressionParser::kDefaultSpecialFeatures | MatchExpressionParser::kText);
@@ -464,7 +463,6 @@ TEST(CanonicalQueryTest, DoNotParameterizeTextExpressions) {
 }
 
 TEST(CanonicalQueryTest, DoParameterizeRegularExpressions) {
-    RAIIServerParameterControllerForTest controllerSBEPlanCache("featureFlagSbeFull", true);
     auto cq = canonicalize("{a: 1, b: {$lt: 5}}");
     ASSERT_TRUE(cq->isParameterized());
 }
diff --git a/src/mongo/db/query/classic_plan_cache.cpp b/src/mongo/db/query/classic_plan_cache.cpp
index 7789d894cb5..41874a76d8a 100644
--- a/src/mongo/db/query/classic_plan_cache.cpp
+++ b/src/mongo/db/query/classic_plan_cache.cpp
@@ -130,8 +130,7 @@ bool shouldCacheQuery(const CanonicalQuery& query) {
     const MatchExpression* expr = query.root();
 
     if (!query.getSortPattern() && expr->matchType() == MatchExpression::AND &&
-        expr->numChildren() == 0 &&
-        !(feature_flags::gFeatureFlagSbeFull.isEnabledAndIgnoreFCV() && query.isSbeCompatible())) {
+        expr->numChildren() == 0 && !query.isSbeCompatible()) {
         return false;
     }
 
diff --git a/src/mongo/db/query/explain.cpp b/src/mongo/db/query/explain.cpp
index 545ec8553f4..b9b69eac18d 100644
--- a/src/mongo/db/query/explain.cpp
+++ b/src/mongo/db/query/explain.cpp
@@ -98,7 +98,6 @@ void generatePlannerInfo(PlanExecutor* exec,
         const QuerySettings* querySettings =
             QuerySettingsDecoration::get(mainCollection->getSharedDecorations());
         if (exec->getCanonicalQuery()->isSbeCompatible() &&
-            feature_flags::gFeatureFlagSbeFull.isEnabledAndIgnoreFCV() &&
             !exec->getCanonicalQuery()->getForceClassicEngine()) {
             const auto planCacheKeyInfo =
                 plan_cache_key_factory::make(*exec->getCanonicalQuery(), collections);
diff --git a/src/mongo/db/query/get_executor.cpp b/src/mongo/db/query/get_executor.cpp
index b3a28aef907..157095d941e 100644
--- a/src/mongo/db/query/get_executor.cpp
+++ b/src/mongo/db/query/get_executor.cpp
@@ -666,7 +666,7 @@ public:
         _fromPlanCache = val;
     }
 
-    bool isRecoveredFromPlanCache() {
+    bool isRecoveredFromPlanCache() const {
         return _fromPlanCache;
     }
 
@@ -1148,64 +1148,25 @@ protected:
     std::unique_ptr<SlotBasedPrepareExecutionResult> buildCachedPlan(
         const sbe::PlanCacheKey& planCacheKey) final {
         if (shouldCacheQuery(*_cq)) {
-            if (!feature_flags::gFeatureFlagSbeFull.isEnabledAndIgnoreFCV()) {
-                return buildCachedPlanFromClassicCache();
-            } else {
-                getResult()->planCacheInfo().planCacheKey = planCacheKey.planCacheKeyHash();
-
-                auto&& planCache = sbe::getPlanCache(_opCtx);
-                auto cacheEntry = planCache.getCacheEntryIfActive(planCacheKey);
-                if (!cacheEntry) {
-                    return nullptr;
-                }
+            getResult()->planCacheInfo().planCacheKey = planCacheKey.planCacheKeyHash();
 
-                auto&& cachedPlan = std::move(cacheEntry->cachedPlan);
-                auto root = std::move(cachedPlan->root);
-                auto stageData = std::move(cachedPlan->planStageData);
-                stageData.debugInfo = cacheEntry->debugInfo;
-
-                auto result = releaseResult();
-                result->setDecisionWorks(cacheEntry->decisionWorks);
-                result->setRecoveredPinnedCacheEntry(cacheEntry->isPinned());
-                result->emplace(std::make_pair(std::move(root), std::move(stageData)));
-                result->setRecoveredFromPlanCache(true);
-                return result;
+            auto&& planCache = sbe::getPlanCache(_opCtx);
+            auto cacheEntry = planCache.getCacheEntryIfActive(planCacheKey);
+            if (!cacheEntry) {
+                return nullptr;
             }
-        }
 
-        return nullptr;
-    }
+            auto&& cachedPlan = std::move(cacheEntry->cachedPlan);
+            auto root = std::move(cachedPlan->root);
+            auto stageData = std::move(cachedPlan->planStageData);
+            stageData.debugInfo = cacheEntry->debugInfo;
 
-    // A temporary function to allow recovering SBE plans from the classic plan cache. When the
-    // feature flag for "SBE full" is disabled, we are still able to use the classic plan cache for
-    // queries that execute in SBE.
-    //
-    // TODO SERVER-64882: Remove this function when "featureFlagSbeFull" is removed.
-    std::unique_ptr<SlotBasedPrepareExecutionResult> buildCachedPlanFromClassicCache() {
-        const auto& mainColl = getMainCollection();
-        auto planCacheKey = plan_cache_key_factory::make<PlanCacheKey>(*_cq, mainColl);
-        getResult()->planCacheInfo().planCacheKey = planCacheKey.planCacheKeyHash();
-
-        // Try to look up a cached solution for the query.
-        if (auto cs = CollectionQueryInfo::get(mainColl).getPlanCache()->getCacheEntryIfActive(
-                planCacheKey)) {
-            initializePlannerParamsIfNeeded();
-            // We have a CachedSolution.  Have the planner turn it into a QuerySolution.
-            auto statusWithQs = QueryPlanner::planFromCache(*_cq, _plannerParams, *cs);
-
-            if (statusWithQs.isOK()) {
-                auto querySolution = std::move(statusWithQs.getValue());
-                if (_cq->isCountLike() && turnIxscanIntoCount(querySolution.get())) {
-                    LOGV2_DEBUG(
-                        20923, 2, "Using fast count", "query"_attr = redact(_cq->toStringShort()));
-                }
-
-                auto result = releaseResult();
-                addSolutionToResult(result.get(), std::move(querySolution));
-                result->setDecisionWorks(cs->decisionWorks);
-                result->setRecoveredFromPlanCache(true);
-                return result;
-            }
+            auto result = releaseResult();
+            result->setDecisionWorks(cacheEntry->decisionWorks);
+            result->setRecoveredPinnedCacheEntry(cacheEntry->isPinned());
+            result->emplace(std::make_pair(std::move(root), std::move(stageData)));
+            result->setRecoveredFromPlanCache(true);
+            return result;
         }
 
         return nullptr;
@@ -1429,56 +1390,52 @@ StatusWith<std::unique_ptr<PlanExecutor, PlanExecutor::Deleter>> getSlotBasedExe
 }
 
 /**
- * Checks if the result of query planning is SBE compatible.
+ * Checks if the result of query planning is SBE compatible. In this function, 'sbeFull' indicates
+ * whether the full set of features supported by SBE is enabled, while 'canUseRegularSbe' indicates
+ * whether the query is compatible with the subset of SBE enabled by default.
  */
 bool shouldPlanningResultUseSbe(bool sbeFull,
+                                bool canUseRegularSbe,
                                 bool columnIndexPresent,
-                                bool aggSpecificStagesPushedDown,
                                 const SlotBasedPrepareExecutionResult& planningResult) {
+    // If we have an entry in the SBE plan cache, then we can use SBE.
+    if (planningResult.isRecoveredFromPlanCache()) {
+        return true;
+    }
+
     // For now this function assumes one of these is true. If all are false, we should not use
     // SBE.
     tassert(6164401,
-            "Expected sbeFull, or a CSI present, or agg specific stages pushed down",
-            sbeFull || columnIndexPresent || aggSpecificStagesPushedDown);
+            "Expected sbeFull, or a regular SBE compatiable query, or a CSI present",
+            sbeFull || canUseRegularSbe || columnIndexPresent);
 
     const auto& solutions = planningResult.solutions();
     if (solutions.empty()) {
         // Query needs subplanning (plans are generated later, we don't have access yet).
         invariant(planningResult.needsSubplanning());
 
-        // TODO: SERVER-71798 if the below conditions are not met, a column index will not be used
-        // even if it could be.
-        return sbeFull || aggSpecificStagesPushedDown;
+        // Use SBE for rooted $or queries if SBE is fully enabled or the query is SBE compatible to
+        // begin with.
+        return sbeFull || canUseRegularSbe;
     }
 
     // Check that the query solution is SBE compatible.
     const bool allStagesCompatible =
         std::all_of(solutions.begin(), solutions.end(), [](const auto& solution) {
-            return solution->root() ==
-                nullptr /* we won't have a query solution if we pulled it from the cache */
-                || isQueryPlanSbeCompatible(solution.get());
+            // We must have a solution, otherwise we would have early exited.
+            invariant(solution->root());
+            return isQueryPlanSbeCompatible(solution.get());
         });
 
     if (!allStagesCompatible) {
         return false;
     }
 
-    if (sbeFull || aggSpecificStagesPushedDown) {
+    if (sbeFull || canUseRegularSbe) {
         return true;
     }
 
-    // If no pipeline is pushed down and SBE full is off, the only other case we'll use SBE for
-    // is when a column index plan was constructed.
-    tassert(6164400, "Expected CSI to be present", columnIndexPresent);
-
-    // The only time a query solution is not available is when the plan comes from the SBE plan
-    // cache. The plan cache is gated by sbeFull, which was already checked earlier. So, at this
-    // point we're guaranteed sbeFull is off, and this further implies that the returned plan(s)
-    // did not come from the cache.
-    tassert(6164402,
-            "Did not expect a plan from the plan cache",
-            !sbeFull && solutions.front()->root());
-
+    // Return true if we have a column scan plan, and false otherwise.
     return solutions.size() == 1 &&
         solutions.front()->root()->hasNode(StageType::STAGE_COLUMN_SCAN);
 }
@@ -1518,6 +1475,38 @@ bool maybeQueryIsColumnScanEligible(OperationContext* opCtx,
 }
 
 /**
+ * Function which returns true if 'cq' uses features that are currently supported in SBE without
+ * 'featureFlagSbeFull' being set; false otherwise.
+ */
+bool shouldUseRegularSbe(const CanonicalQuery& cq) {
+    const auto* proj = cq.getProj();
+
+    // Disallow projections which use expressions.
+    if (proj && proj->hasExpressions()) {
+        return false;
+    }
+
+    // Disallow projections which have dotted paths.
+    if (proj && proj->hasDottedPaths()) {
+        return false;
+    }
+
+    // Disallow filters which feature $expr.
+    if (cq.countNodes(cq.root(), MatchExpression::MatchType::EXPRESSION) > 0) {
+        return false;
+    }
+
+    const auto& sortPattern = cq.getSortPattern();
+
+    // Disallow sorts which have a common prefix.
+    if (sortPattern && sortPatternHasPartsWithCommonPrefix(*sortPattern)) {
+        return false;
+    }
+
+    return true;
+}
+
+/**
  * Attempts to create a slot-based executor for the query, if the query plan is eligible for SBE
  * execution. This function has three possible return values:
  *
@@ -1543,18 +1532,20 @@ attemptToGetSlotBasedExecutor(
     }
 
     const bool sbeFull = feature_flags::gFeatureFlagSbeFull.isEnabledAndIgnoreFCV();
-    const bool aggSpecificStagesPushedDown = !canonicalQuery->pipeline().empty();
+    const bool canUseRegularSbe = shouldUseRegularSbe(*canonicalQuery);
 
-    // Attempt to use SBE if we find any $group/$lookup stages eligible for execution in SBE, if the
-    // query may be eligible for column scan, or if SBE is fully enabled. Otherwise, fallback to the
-    // classic engine right away.
-    if (aggSpecificStagesPushedDown || sbeFull ||
+    // Attempt to use SBE if the query may be eligible for column scan, if the currently supported
+    // subset of SBE is being used, or if SBE is fully enabled. Otherwise, fallback to the classic
+    // engine right away.
+    if (sbeFull || canUseRegularSbe ||
         maybeQueryIsColumnScanEligible(opCtx, collections, canonicalQuery.get())) {
+        // Create the SBE prepare execution helper and initialize the params for the planner. Our
+        // decision about using SBE will depend on whether there is a column index present.
+
         auto sbeYieldPolicy = makeSbeYieldPolicy(
             opCtx, yieldPolicy, &collections.getMainCollection(), canonicalQuery->nss());
         SlotBasedPrepareExecutionHelper helper{
             opCtx, collections, canonicalQuery.get(), sbeYieldPolicy.get(), plannerParams.options};
-
         auto planningResultWithStatus = helper.prepare();
         if (!planningResultWithStatus.isOK()) {
             return planningResultWithStatus.getStatus();
@@ -1563,10 +1554,8 @@ attemptToGetSlotBasedExecutor(
         const bool csiPresent =
             helper.plannerParams() && !helper.plannerParams()->columnStoreIndexes.empty();
 
-        if (shouldPlanningResultUseSbe(sbeFull,
-                                       csiPresent,
-                                       aggSpecificStagesPushedDown,
-                                       *planningResultWithStatus.getValue())) {
+        if (shouldPlanningResultUseSbe(
+                sbeFull, canUseRegularSbe, csiPresent, *planningResultWithStatus.getValue())) {
             if (extractAndAttachPipelineStages) {
                 // We know now that we will use SBE, so we need to remove the pushed-down stages
                 // from the original pipeline object.
@@ -1646,6 +1635,8 @@ StatusWith<std::unique_ptr<PlanExecutor, PlanExecutor::Deleter>> getExecutor(
                     std::move(stdx::get<std::unique_ptr<CanonicalQuery>>(maybeExecutor));
             }
         }
+        // Ensure that 'sbeCompatible' is set accordingly.
+        canonicalQuery->setSbeCompatible(false);
         return getClassicExecutor(
             opCtx, mainColl, std::move(canonicalQuery), yieldPolicy, plannerParams);
     }();
diff --git a/src/mongo/db/query/projection.h b/src/mongo/db/query/projection.h
index c093083c068..f920a778e9a 100644
--- a/src/mongo/db/query/projection.h
+++ b/src/mongo/db/query/projection.h
@@ -118,6 +118,13 @@ public:
      */
     bool isFieldRetainedExactly(StringData path) const;
 
+
+    /**
+     * Returns true if this projection has any dotted paths; false otherwise.
+     */
+    bool hasDottedPaths() const {
+        return _deps.hasDottedPath;
+    }
     /**
      * A projection is considered "simple" if it operates only on top-level fields,
      * has no positional projection or expressions, and doesn't require metadata.
diff --git a/src/mongo/db/query/query_feature_flags.idl b/src/mongo/db/query/query_feature_flags.idl
index 55a3a24c408..d0289f1f761 100644
--- a/src/mongo/db/query/query_feature_flags.idl
+++ b/src/mongo/db/query/query_feature_flags.idl
@@ -77,8 +77,7 @@ feature_flags:
       default: false
 
     featureFlagSbeFull:
-      description: "Feature flag for enabling full SBE support. Enables SBE for a much larger class
-      of queries, including NLJ $lookup plans. Also enables the SBE plan cache."
+      description: "Feature flag for enabling SBE for a much larger class of queries than what is exposed by default"
       cpp_varname: gFeatureFlagSbeFull
       default: false
 
diff --git a/src/mongo/db/query/query_utils.cpp b/src/mongo/db/query/query_utils.cpp
index 917817c739e..71dd2acded6 100644
--- a/src/mongo/db/query/query_utils.cpp
+++ b/src/mongo/db/query/query_utils.cpp
@@ -34,6 +34,21 @@
 
 namespace mongo {
 
+bool sortPatternHasPartsWithCommonPrefix(const SortPattern& sortPattern) {
+    StringDataSet prefixSet;
+    for (const auto& part : sortPattern) {
+        // Ignore any $meta sorts that may be present.
+        if (!part.fieldPath) {
+            continue;
+        }
+        auto [_, inserted] = prefixSet.insert(part.fieldPath->getFieldName(0));
+        if (!inserted) {
+            return true;
+        }
+    }
+    return false;
+}
+
 bool isIdHackEligibleQuery(const CollectionPtr& collection, const CanonicalQuery& query) {
     const auto& findCommand = query.getFindCommandRequest();
     return !findCommand.getShowRecordId() && findCommand.getHint().isEmpty() &&
@@ -66,10 +81,11 @@ bool isQuerySbeCompatible(const CollectionPtr* collection, const CanonicalQuery*
     const bool isQueryNotAgainstClusteredCollection =
         !(collection->get() && collection->get()->isClustered());
 
-    const bool doesNotRequireMatchDetails =
-        !cq->getProj() || !cq->getProj()->requiresMatchDetails();
+    const auto* proj = cq->getProj();
+
+    const bool doesNotRequireMatchDetails = !proj || !proj->requiresMatchDetails();
 
-    const bool doesNotHaveElemMatchProject = !cq->getProj() || !cq->getProj()->containsElemMatch();
+    const bool doesNotHaveElemMatchProject = !proj || !proj->containsElemMatch();
 
     const bool isNotInnerSideOfLookup = !(expCtx && expCtx->inLookup);
 
diff --git a/src/mongo/db/query/query_utils.h b/src/mongo/db/query/query_utils.h
index 97165860da1..55a5e069ad3 100644
--- a/src/mongo/db/query/query_utils.h
+++ b/src/mongo/db/query/query_utils.h
@@ -34,6 +34,12 @@
 
 namespace mongo {
 /**
+ * Returns 'true' if 'sortPattern' contains any sort pattern parts that share a common prefix, false
+ * otherwise.
+ */
+bool sortPatternHasPartsWithCommonPrefix(const SortPattern& sortPattern);
+
+/**
  * Returns 'true' if 'query' on the given 'collection' can be answered using a special IDHACK plan.
  */
 bool isIdHackEligibleQuery(const CollectionPtr& collection, const CanonicalQuery& query);
diff --git a/src/mongo/db/query/sbe_cached_solution_planner.cpp b/src/mongo/db/query/sbe_cached_solution_planner.cpp
index 5927bf5722c..5fbe8be2ec3 100644
--- a/src/mongo/db/query/sbe_cached_solution_planner.cpp
+++ b/src/mongo/db/query/sbe_cached_solution_planner.cpp
@@ -52,45 +52,24 @@ CandidatePlans CachedSolutionPlanner::plan(
     std::vector<std::unique_ptr<QuerySolution>> solutions,
     std::vector<std::pair<std::unique_ptr<PlanStage>, stage_builder::PlanStageData>> roots) {
     if (!_cq.pipeline().empty()) {
-        // When "featureFlagSbeFull" is enabled we use the SBE plan cache. If the plan cache is
-        // enabled we'd like to check if there is any foreign collection in the hash_lookup stage
-        // that is no longer eligible for it. In this case we invalidate the cache and immediately
-        // replan without ever running a trial period.
+        // We'd like to check if there is any foreign collection in the hash_lookup stage that is no
+        // longer eligible for using a hash_lookup plan. In this case we invalidate the cache and
+        // immediately replan without ever running a trial period.
         auto secondaryCollectionsInfo =
             fillOutSecondaryCollectionsInformation(_opCtx, _collections, &_cq);
 
-        if (feature_flags::gFeatureFlagSbeFull.isEnabledAndIgnoreFCV()) {
-            for (const auto& foreignCollection : roots[0].second.foreignHashJoinCollections) {
-                const auto collectionInfo = secondaryCollectionsInfo.find(foreignCollection);
-                tassert(6693500,
-                        "Foreign collection must be present in the collections info",
-                        collectionInfo != secondaryCollectionsInfo.end());
-                tassert(6693501, "Foreign collection must exist", collectionInfo->second.exists);
+        for (const auto& foreignCollection : roots[0].second.foreignHashJoinCollections) {
+            const auto collectionInfo = secondaryCollectionsInfo.find(foreignCollection);
+            tassert(6693500,
+                    "Foreign collection must be present in the collections info",
+                    collectionInfo != secondaryCollectionsInfo.end());
+            tassert(6693501, "Foreign collection must exist", collectionInfo->second.exists);
 
-                if (!QueryPlannerAnalysis::isEligibleForHashJoin(collectionInfo->second)) {
-                    return replan(/* shouldCache */ true,
-                                  str::stream() << "Foreign collection " << foreignCollection
-                                                << " is not eligible for hash join anymore");
-                }
+            if (!QueryPlannerAnalysis::isEligibleForHashJoin(collectionInfo->second)) {
+                return replan(/* shouldCache */ true,
+                              str::stream() << "Foreign collection " << foreignCollection
+                                            << " is not eligible for hash join anymore");
             }
-        } else {
-            // The SBE plan cache is not enabled. If the cached plan is accepted we'd like to keep
-            // the results from the trials even if there are parts of agg pipelines being lowered
-            // into SBE, so we run the trial with the extended plan. This works because
-            // TrialRunTracker, attached to HashAgg stage in $group queries, tracks as "results" the
-            // results of its child stage. For $lookup queries, the TrialRunTracker will only track
-            // the number of reads from the local side. Thus, we can use the number of reads the
-            // plan was cached with during multiplanning even though multiplanning ran trials of
-            // pre-extended plans.
-            //
-            // The SBE plan cache stores the entire plan, including the part for any agg pipeline
-            // pushed down to SBE. Therefore, this logic is only necessary when "featureFlagSbeFull"
-            // is disabled.
-            _yieldPolicy->clearRegisteredPlans();
-            solutions[0] = QueryPlanner::extendWithAggPipeline(
-                _cq, std::move(solutions[0]), secondaryCollectionsInfo);
-            roots[0] = stage_builder::buildSlotBasedExecutableTree(
-                _opCtx, _collections, _cq, *solutions[0], _yieldPolicy);
         }
     }
     // If the '_decisionReads' is not present then we do not run a trial period, keeping the current
@@ -227,18 +206,9 @@ CandidatePlans CachedSolutionPlanner::replan(bool shouldCache, std::string reaso
     _yieldPolicy->clearRegisteredPlans();
 
     if (shouldCache) {
-        const auto& mainColl = _collections.getMainCollection();
         // Deactivate the current cache entry.
-        //
-        // TODO SERVER-64882: We currently deactivate cache entries in both the classic and SBE plan
-        // caches. Once we always use the SBE plan cache for queries eligible for SBE, this code can
-        // be simplified to only deactivate the entry in the SBE plan cache.
-        auto cache = CollectionQueryInfo::get(mainColl).getPlanCache();
-        cache->deactivate(plan_cache_key_factory::make<mongo::PlanCacheKey>(_cq, mainColl));
-        if (feature_flags::gFeatureFlagSbeFull.isEnabledAndIgnoreFCV()) {
-            auto&& sbePlanCache = sbe::getPlanCache(_opCtx);
-            sbePlanCache.deactivate(plan_cache_key_factory::make(_cq, _collections));
-        }
+        auto&& sbePlanCache = sbe::getPlanCache(_opCtx);
+        sbePlanCache.deactivate(plan_cache_key_factory::make(_cq, _collections));
     }
 
     auto buildExecutableTree = [&](const QuerySolution& sol) {
diff --git a/src/mongo/db/query/sbe_plan_cache.cpp b/src/mongo/db/query/sbe_plan_cache.cpp
index 1498fa28932..2129554a2d9 100644
--- a/src/mongo/db/query/sbe_plan_cache.cpp
+++ b/src/mongo/db/query/sbe_plan_cache.cpp
@@ -48,27 +48,23 @@ const auto sbePlanCacheDecoration =
 class PlanCacheOnParamChangeUpdaterImpl final : public plan_cache_util::OnParamChangeUpdater {
 public:
     void updateCacheSize(ServiceContext* serviceCtx, memory_util::MemorySize memSize) final {
-        if (feature_flags::gFeatureFlagSbeFull.isEnabledAndIgnoreFCV()) {
-            auto newSizeBytes = memory_util::getRequestedMemSizeInBytes(memSize);
-            auto cappedCacheSize = memory_util::capMemorySize(newSizeBytes /*requestedSizeBytes*/,
-                                                              500 /*maximumSizeGB*/,
-                                                              25 /*percentTotalSystemMemory*/);
-            if (cappedCacheSize < newSizeBytes) {
-                LOGV2_DEBUG(6007001,
-                            1,
-                            "The plan cache size has been capped",
-                            "cappedSize"_attr = cappedCacheSize);
-            }
-            auto& globalPlanCache = sbePlanCacheDecoration(serviceCtx);
-            globalPlanCache->reset(cappedCacheSize);
+        auto newSizeBytes = memory_util::getRequestedMemSizeInBytes(memSize);
+        auto cappedCacheSize = memory_util::capMemorySize(newSizeBytes /*requestedSizeBytes*/,
+                                                          500 /*maximumSizeGB*/,
+                                                          25 /*percentTotalSystemMemory*/);
+        if (cappedCacheSize < newSizeBytes) {
+            LOGV2_DEBUG(6007001,
+                        1,
+                        "The plan cache size has been capped",
+                        "cappedSize"_attr = cappedCacheSize);
         }
+        auto& globalPlanCache = sbePlanCacheDecoration(serviceCtx);
+        globalPlanCache->reset(cappedCacheSize);
     }
 
     void clearCache(ServiceContext* serviceCtx) final {
-        if (feature_flags::gFeatureFlagSbeFull.isEnabledAndIgnoreFCV()) {
-            auto& globalPlanCache = sbePlanCacheDecoration(serviceCtx);
-            globalPlanCache->clear();
-        }
+        auto& globalPlanCache = sbePlanCacheDecoration(serviceCtx);
+        globalPlanCache->clear();
     }
 };
 
@@ -77,38 +73,29 @@ ServiceContext::ConstructorActionRegisterer planCacheRegisterer{
         plan_cache_util::sbePlanCacheOnParamChangeUpdater(serviceCtx) =
             std::make_unique<PlanCacheOnParamChangeUpdaterImpl>();
 
-        if (feature_flags::gFeatureFlagSbeFull.isEnabledAndIgnoreFCV()) {
-            auto status = memory_util::MemorySize::parse(planCacheSize.get());
-            uassertStatusOK(status);
-            auto size = memory_util::getRequestedMemSizeInBytes(status.getValue());
-            auto cappedCacheSize = memory_util::capMemorySize(size /*requestedSizeBytes*/,
-                                                              500 /*maximumSizeGB*/,
-                                                              25 /*percentTotalSystemMemory*/);
-            if (cappedCacheSize < size) {
-                LOGV2_DEBUG(6007000,
-                            1,
-                            "The plan cache size has been capped",
-                            "cappedSize"_attr = cappedCacheSize);
-            }
-            auto& globalPlanCache = sbePlanCacheDecoration(serviceCtx);
-            globalPlanCache =
-                std::make_unique<sbe::PlanCache>(cappedCacheSize, ProcessInfo::getNumCores());
+        auto status = memory_util::MemorySize::parse(planCacheSize.get());
+        uassertStatusOK(status);
+        auto size = memory_util::getRequestedMemSizeInBytes(status.getValue());
+        auto cappedCacheSize = memory_util::capMemorySize(
+            size /*requestedSizeBytes*/, 500 /*maximumSizeGB*/, 25 /*percentTotalSystemMemory*/);
+        if (cappedCacheSize < size) {
+            LOGV2_DEBUG(6007000,
+                        1,
+                        "The plan cache size has been capped",
+                        "cappedSize"_attr = cappedCacheSize);
         }
+        auto& globalPlanCache = sbePlanCacheDecoration(serviceCtx);
+        globalPlanCache =
+            std::make_unique<sbe::PlanCache>(cappedCacheSize, ProcessInfo::getNumCores());
     }};
 
 }  // namespace
 
 sbe::PlanCache& getPlanCache(ServiceContext* serviceCtx) {
-    uassert(5933402,
-            "Cannot getPlanCache() if 'featureFlagSbeFull' is disabled",
-            feature_flags::gFeatureFlagSbeFull.isEnabledAndIgnoreFCV());
     return *sbePlanCacheDecoration(serviceCtx);
 }
 
 sbe::PlanCache& getPlanCache(OperationContext* opCtx) {
-    uassert(5933401,
-            "Cannot getPlanCache() if 'featureFlagSbeFull' is disabled",
-            feature_flags::gFeatureFlagSbeFull.isEnabledAndIgnoreFCV());
     tassert(5933400, "Cannot get the global SBE plan cache by a nullptr", opCtx);
     return getPlanCache(opCtx->getServiceContext());
 }
@@ -117,32 +104,29 @@ void clearPlanCacheEntriesWith(ServiceContext* serviceCtx,
                                UUID collectionUuid,
                                size_t collectionVersion,
                                bool matchSecondaryCollections) {
-    if (feature_flags::gFeatureFlagSbeFull.isEnabledAndIgnoreFCV()) {
-        auto removed =
-            sbe::getPlanCache(serviceCtx)
-                .removeIf([&collectionUuid, collectionVersion, matchSecondaryCollections](
-                              const PlanCacheKey& key, const sbe::PlanCacheEntry& entry) {
-                    if (key.getMainCollectionState().version == collectionVersion &&
-                        key.getMainCollectionState().uuid == collectionUuid) {
-                        return true;
-                    }
-                    if (matchSecondaryCollections) {
-                        for (auto& collectionState : key.getSecondaryCollectionStates()) {
-                            if (collectionState.version == collectionVersion &&
-                                collectionState.uuid == collectionUuid) {
-                                return true;
-                            }
-                        }
-                    }
-                    return false;
-                });
-
-        LOGV2_DEBUG(6006600,
-                    1,
-                    "Clearing SBE Plan Cache",
-                    "collectionUuid"_attr = collectionUuid,
-                    "collectionVersion"_attr = collectionVersion,
-                    "removedEntries"_attr = removed);
-    }
+    auto removed = sbe::getPlanCache(serviceCtx)
+                       .removeIf([&collectionUuid, collectionVersion, matchSecondaryCollections](
+                                     const PlanCacheKey& key, const sbe::PlanCacheEntry& entry) {
+                           if (key.getMainCollectionState().version == collectionVersion &&
+                               key.getMainCollectionState().uuid == collectionUuid) {
+                               return true;
+                           }
+                           if (matchSecondaryCollections) {
+                               for (auto& collectionState : key.getSecondaryCollectionStates()) {
+                                   if (collectionState.version == collectionVersion &&
+                                       collectionState.uuid == collectionUuid) {
+                                       return true;
+                                   }
+                               }
+                           }
+                           return false;
+                       });
+
+    LOGV2_DEBUG(6006600,
+                1,
+                "Clearing SBE Plan Cache",
+                "collectionUuid"_attr = collectionUuid,
+                "collectionVersion"_attr = collectionVersion,
+                "removedEntries"_attr = removed);
 }
 }  // namespace mongo::sbe
diff --git a/src/mongo/db/query/sbe_stage_builder.cpp b/src/mongo/db/query/sbe_stage_builder.cpp
index 9c354a469ae..8fe87acf72b 100644
--- a/src/mongo/db/query/sbe_stage_builder.cpp
+++ b/src/mongo/db/query/sbe_stage_builder.cpp
@@ -60,6 +60,8 @@
 #include "mongo/db/query/bind_input_params.h"
 #include "mongo/db/query/expression_walker.h"
 #include "mongo/db/query/index_bounds_builder.h"
+#include "mongo/db/query/optimizer/rewrites/const_eval.h"
+#include "mongo/db/query/query_utils.h"
 #include "mongo/db/query/sbe_stage_builder_abt_helpers.h"
 #include "mongo/db/query/sbe_stage_builder_accumulator.h"
 #include "mongo/db/query/sbe_stage_builder_coll_scan.h"
@@ -1215,19 +1217,13 @@ std::pair<std::unique_ptr<sbe::PlanStage>, PlanStageSlots> SlotBasedStageBuilder
         return buildSortCovered(root, reqs);
     }
 
-    StringDataSet prefixSet;
-    bool hasPartsWithCommonPrefix = false;
+    // getExecutor() should never call into buildSlotBasedExecutableTree() when the query
+    // contains $meta, so this assertion should always be true.
     for (const auto& part : sortPattern) {
-        // getExecutor() should never call into buildSlotBasedExecutableTree() when the query
-        // contains $meta, so this assertion should always be true.
         tassert(5037002, "Sort with $meta is not supported in SBE", part.fieldPath);
-
-        if (!hasPartsWithCommonPrefix) {
-            auto [_, prefixWasNotPresent] = prefixSet.insert(part.fieldPath->getFieldName(0));
-            hasPartsWithCommonPrefix = !prefixWasNotPresent;
-        }
     }
 
+    const bool hasPartsWithCommonPrefix = sortPatternHasPartsWithCommonPrefix(sortPattern);
     auto fields = reqs.getFields();
 
     if (!hasPartsWithCommonPrefix) {
diff --git a/src/mongo/db/query/sbe_stage_builder_filter.cpp b/src/mongo/db/query/sbe_stage_builder_filter.cpp
index 57210c4b0c8..ffc9f38260b 100644
--- a/src/mongo/db/query/sbe_stage_builder_filter.cpp
+++ b/src/mongo/db/query/sbe_stage_builder_filter.cpp
@@ -1194,37 +1194,6 @@ public:
 private:
     MatchExpressionVisitorContext* _context;
 };
-
-EvalExpr applyClassicMatcher(const MatchExpression* root,
-                             EvalExpr inputExpr,
-                             StageBuilderState& state) {
-    return makeFunction("applyClassicMatcher",
-                        makeConstant(sbe::value::TypeTags::classicMatchExpresion,
-                                     sbe::value::bitcastFrom<const MatchExpression*>(
-                                         root->shallowClone().release())),
-                        inputExpr.extractExpr(state));
-}
-
-EvalExpr applyClassicMatcherOverIndexScan(const MatchExpression* root,
-                                          const PlanStageSlots* slots,
-                                          const std::vector<std::string>& keyFields) {
-    BSONObjBuilder keyPatternBuilder;
-    auto keySlots = sbe::makeSV();
-    for (const auto& field : keyFields) {
-        keyPatternBuilder.append(field, 1);
-        keySlots.emplace_back(
-            slots->get(std::make_pair(PlanStageSlots::kField, StringData(field))));
-    }
-
-    auto keyPatternTree = buildKeyPatternTree(keyPatternBuilder.obj(), keySlots);
-    auto mkObjExpr = buildNewObjExpr(keyPatternTree.get());
-
-    return makeFunction("applyClassicMatcher",
-                        makeConstant(sbe::value::TypeTags::classicMatchExpresion,
-                                     sbe::value::bitcastFrom<const MatchExpression*>(
-                                         root->shallowClone().release())),
-                        std::move(mkObjExpr));
-}
 }  // namespace
 
 EvalExpr generateFilter(StageBuilderState& state,
@@ -1239,18 +1208,6 @@ EvalExpr generateFilter(StageBuilderState& state,
         return EvalExpr{};
     }
 
-    // We only use the classic matcher path (aka "franken matcher") when SBE is not fully enabled.
-    // Fully enabling SBE turns on the SBE plan cache, and embedding the classic matcher into the
-    // query execution tree is not compatible with the plan cache's use of auto-parameterization.
-    // This is because when embedding the classic matcher all of the constants used in the filter
-    // are in the MatchExpression itself rather than in slots.
-    if (!feature_flags::gFeatureFlagSbeFull.isEnabledAndIgnoreFCV()) {
-        tassert(7097207, "Expected input slot to be defined", rootSlot || isFilterOverIxscan);
-
-        return isFilterOverIxscan ? applyClassicMatcherOverIndexScan(root, slots, keyFields)
-                                  : applyClassicMatcher(root, toEvalExpr(rootSlot), state);
-    }
-
     MatchExpressionVisitorContext context{state, rootSlot, root, slots, isFilterOverIxscan};
 
     MatchExpressionPreVisitor preVisitor{&context};
diff --git a/src/mongo/db/s/collection_sharding_runtime.cpp b/src/mongo/db/s/collection_sharding_runtime.cpp
index 385a2b91b67..61dde7e5a32 100644
--- a/src/mongo/db/s/collection_sharding_runtime.cpp
+++ b/src/mongo/db/s/collection_sharding_runtime.cpp
@@ -647,52 +647,48 @@ void CollectionShardingRuntime::_cleanupBeforeInstallingNewCollectionMetadata(
         return;
     }
 
-    if (feature_flags::gFeatureFlagSbeFull.isEnabledAndIgnoreFCV()) {
-        const auto oldUUID = _metadataManager->getCollectionUuid();
-        const auto oldShardVersion = _metadataManager->getActiveShardVersion();
-        ExecutorFuture<void>{Grid::get(opCtx)->getExecutorPool()->getFixedExecutor()}
-            .then([svcCtx{opCtx->getServiceContext()}, oldUUID, oldShardVersion] {
-                ThreadClient tc{"CleanUpShardedMetadata", svcCtx};
-                {
-                    stdx::lock_guard<Client> lk{*tc.get()};
-                    tc->setSystemOperationKillableByStepdown(lk);
-                }
-                auto uniqueOpCtx{tc->makeOperationContext()};
-                auto opCtx{uniqueOpCtx.get()};
-
-                try {
-                    auto& planCache = sbe::getPlanCache(opCtx);
-                    planCache.removeIf([&](const sbe::PlanCacheKey& key,
-                                           const sbe::PlanCacheEntry& entry) -> bool {
-                        const auto matchingCollState =
-                            [&](const sbe::PlanCacheKeyCollectionState& entryCollState) {
-                                return entryCollState.uuid == oldUUID &&
-                                    entryCollState.shardVersion &&
-                                    entryCollState.shardVersion->epoch == oldShardVersion.epoch() &&
-                                    entryCollState.shardVersion->ts ==
-                                    oldShardVersion.getTimestamp();
-                            };
-
-                        // Check whether the main collection of this plan is the one being removed
-                        if (matchingCollState(key.getMainCollectionState()))
+    const auto oldUUID = _metadataManager->getCollectionUuid();
+    const auto oldShardVersion = _metadataManager->getActiveShardVersion();
+    ExecutorFuture<void>{Grid::get(opCtx)->getExecutorPool()->getFixedExecutor()}
+        .then([svcCtx{opCtx->getServiceContext()}, oldUUID, oldShardVersion] {
+            ThreadClient tc{"CleanUpShardedMetadata", svcCtx};
+            {
+                stdx::lock_guard<Client> lk{*tc.get()};
+                tc->setSystemOperationKillableByStepdown(lk);
+            }
+            auto uniqueOpCtx{tc->makeOperationContext()};
+            auto opCtx{uniqueOpCtx.get()};
+
+            try {
+                auto& planCache = sbe::getPlanCache(opCtx);
+                planCache.removeIf([&](const sbe::PlanCacheKey& key,
+                                       const sbe::PlanCacheEntry& entry) -> bool {
+                    const auto matchingCollState =
+                        [&](const sbe::PlanCacheKeyCollectionState& entryCollState) {
+                            return entryCollState.uuid == oldUUID && entryCollState.shardVersion &&
+                                entryCollState.shardVersion->epoch == oldShardVersion.epoch() &&
+                                entryCollState.shardVersion->ts == oldShardVersion.getTimestamp();
+                        };
+
+                    // Check whether the main collection of this plan is the one being removed
+                    if (matchingCollState(key.getMainCollectionState()))
+                        return true;
+
+                    // Check whether a secondary collection is the one being removed
+                    for (const auto& secCollState : key.getSecondaryCollectionStates()) {
+                        if (matchingCollState(secCollState))
                             return true;
-
-                        // Check whether a secondary collection is the one being removed
-                        for (const auto& secCollState : key.getSecondaryCollectionStates()) {
-                            if (matchingCollState(secCollState))
-                                return true;
-                        }
-
-                        return false;
-                    });
-                } catch (const DBException& ex) {
-                    LOGV2(6549200,
-                          "Interrupted deferred clean up of sharded metadata",
-                          "error"_attr = redact(ex));
-                }
-            })
-            .getAsync([](auto) {});
-    }
+                    }
+
+                    return false;
+                });
+            } catch (const DBException& ex) {
+                LOGV2(6549200,
+                      "Interrupted deferred clean up of sharded metadata",
+                      "error"_attr = redact(ex));
+            }
+        })
+        .getAsync([](auto) {});
 }
 
 void CollectionShardingRuntime::_checkCritSecForIndexMetadata(OperationContext* opCtx) const {