5 files changed, 15 insertions, 4 deletions
diff --git a/lib/sqlalchemy/dialects/mssql/base.py b/lib/sqlalchemy/dialects/mssql/base.py
index 81f66e2f0..1be3965b8 100644
--- a/lib/sqlalchemy/dialects/mssql/base.py
+++ b/lib/sqlalchemy/dialects/mssql/base.py
@@ -7,7 +7,9 @@
 """
 .. dialect:: mssql
     :name: Microsoft SQL Server
-
+    :full_support: 2017
+    :normal_support: 2012+
+    :best_effort: 2005+
 
 .. _mssql_external_dialects:
 
diff --git a/lib/sqlalchemy/dialects/mysql/base.py b/lib/sqlalchemy/dialects/mysql/base.py
index af35b3279..e6052f69f 100644
--- a/lib/sqlalchemy/dialects/mysql/base.py
+++ b/lib/sqlalchemy/dialects/mysql/base.py
@@ -9,6 +9,9 @@ r"""
 
 .. dialect:: mysql
     :name: MySQL / MariaDB
+    :full_support: 5.6, 5.7, 8.0 / 10.4, 10.5
+    :normal_support: 5.6+ / 10+
+    :best_effort: 5.0.2+ / 5.0.2+
 
 Supported Versions and Features
 -------------------------------
diff --git a/lib/sqlalchemy/dialects/oracle/base.py b/lib/sqlalchemy/dialects/oracle/base.py
index f9805abeb..88b101811 100644
--- a/lib/sqlalchemy/dialects/oracle/base.py
+++ b/lib/sqlalchemy/dialects/oracle/base.py
@@ -8,9 +8,9 @@
 r"""
 .. dialect:: oracle
     :name: Oracle
-
-    Oracle version 8 through current (11g at the time of this writing) are
-    supported.
+    :full_support: 11.2, 18c
+    :normal_support: 11+
+    :best_effort: 8+
 
 
 Auto Increment Behavior
diff --git a/lib/sqlalchemy/dialects/postgresql/base.py b/lib/sqlalchemy/dialects/postgresql/base.py
index d34d8dd17..aea5ca17c 100644
--- a/lib/sqlalchemy/dialects/postgresql/base.py
+++ b/lib/sqlalchemy/dialects/postgresql/base.py
@@ -8,6 +8,9 @@
 r"""
 .. dialect:: postgresql
     :name: PostgreSQL
+    :full_support: 9.6, 10, 11, 12
+    :normal_support: 9.6+
+    :best_effort: 8+
 
 .. _postgresql_sequences:
 
diff --git a/lib/sqlalchemy/dialects/sqlite/base.py b/lib/sqlalchemy/dialects/sqlite/base.py
index 8582c1f14..691ca642d 100644
--- a/lib/sqlalchemy/dialects/sqlite/base.py
+++ b/lib/sqlalchemy/dialects/sqlite/base.py
@@ -8,6 +8,9 @@
 r"""
 .. dialect:: sqlite
     :name: SQLite
+    :full_support: 3.21, 3.28+
+    :normal_support: 3.12+
+    :best_effort: 3.7.16+
 
 .. _sqlite_datetime: