Add latest changes from gitlab-org/gitlab@master

37 files changed, 498 insertions, 389 deletions

diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index d9b0185a8d8..21dfd6563e2 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -15,7 +15,7 @@ stages:
 # in cases where jobs require Docker-in-Docker, the job
 # definition must be extended with `.use-docker-in-docker`
 default:
-  image: "registry.gitlab.com/gitlab-org/gitlab-build-images:ruby-2.6.6-golang-1.14-git-2.26-lfs-2.9-chrome-81.0-node-12.x-yarn-1.21-postgresql-9.6-graphicsmagick-1.3.34"
+  image: "registry.gitlab.com/gitlab-org/gitlab-build-images:ruby-2.6.6-golang-1.14-git-2.26-lfs-2.9-chrome-73.0-node-12.x-yarn-1.21-postgresql-9.6-graphicsmagick-1.3.34"
   tags:
     - gitlab-org
   # All jobs are interruptible by default
diff --git a/.gitlab/ci/frontend.gitlab-ci.yml b/.gitlab/ci/frontend.gitlab-ci.yml
index 2df24eedc1f..5be4d4eaf1f 100644
--- a/.gitlab/ci/frontend.gitlab-ci.yml
+++ b/.gitlab/ci/frontend.gitlab-ci.yml
@@ -15,7 +15,7 @@
     - .default-retry
     - .default-before_script
     - .assets-compile-cache
-  image: registry.gitlab.com/gitlab-org/gitlab-build-images:ruby-2.6.6-git-2.26-lfs-2.9-chrome-81.0-node-12.x-yarn-1.21-graphicsmagick-1.3.34-docker-19.03.1
+  image: registry.gitlab.com/gitlab-org/gitlab-build-images:ruby-2.6.6-git-2.26-lfs-2.9-chrome-73.0-node-12.x-yarn-1.21-graphicsmagick-1.3.34-docker-19.03.1
   stage: prepare
   variables:
     NODE_ENV: "production"
diff --git a/.gitlab/ci/global.gitlab-ci.yml b/.gitlab/ci/global.gitlab-ci.yml
index 21d085c5ca5..0c26273ef04 100644
--- a/.gitlab/ci/global.gitlab-ci.yml
+++ b/.gitlab/ci/global.gitlab-ci.yml
@@ -30,7 +30,7 @@
     policy: pull
 
 .use-pg9:
-  image: "registry.gitlab.com/gitlab-org/gitlab-build-images:ruby-2.6.6-golang-1.14-git-2.26-lfs-2.9-chrome-81.0-node-12.x-yarn-1.21-postgresql-9.6-graphicsmagick-1.3.34"
+  image: "registry.gitlab.com/gitlab-org/gitlab-build-images:ruby-2.6.6-golang-1.14-git-2.26-lfs-2.9-chrome-73.0-node-12.x-yarn-1.21-postgresql-9.6-graphicsmagick-1.3.34"
   services:
     - name: postgres:9.6.17
       command: ["postgres", "-c", "fsync=off", "-c", "synchronous_commit=off", "-c", "full_page_writes=off"]
@@ -41,7 +41,7 @@
     key: "debian-stretch-ruby-2.6.6-pg9-node-12.x"
 
 .use-pg10:
-  image: "registry.gitlab.com/gitlab-org/gitlab-build-images:ruby-2.6.6-golang-1.14-git-2.26-lfs-2.9-chrome-81.0-node-12.x-yarn-1.21-postgresql-10-graphicsmagick-1.3.34"
+  image: "registry.gitlab.com/gitlab-org/gitlab-build-images:ruby-2.6.6-golang-1.14-git-2.26-lfs-2.9-chrome-73.0-node-12.x-yarn-1.21-postgresql-10-graphicsmagick-1.3.34"
   services:
     - name: postgres:10.12
       command: ["postgres", "-c", "fsync=off", "-c", "synchronous_commit=off", "-c", "full_page_writes=off"]
@@ -52,7 +52,7 @@
     key: "debian-stretch-ruby-2.6.6-pg10-node-12.x"
 
 .use-pg11:
-  image: "registry.gitlab.com/gitlab-org/gitlab-build-images:ruby-2.6.6-golang-1.14-git-2.26-lfs-2.9-chrome-81.0-node-12.x-yarn-1.21-postgresql-11-graphicsmagick-1.3.34"
+  image: "registry.gitlab.com/gitlab-org/gitlab-build-images:ruby-2.6.6-golang-1.14-git-2.26-lfs-2.9-chrome-73.0-node-12.x-yarn-1.21-postgresql-11-graphicsmagick-1.3.34"
   services:
     - name: postgres:11.6
       command: ["postgres", "-c", "fsync=off", "-c", "synchronous_commit=off", "-c", "full_page_writes=off"]
@@ -63,7 +63,7 @@
     key: "debian-stretch-ruby-2.6.6-pg11-node-12.x"
 
 .use-pg9-ee:
-  image: "registry.gitlab.com/gitlab-org/gitlab-build-images:ruby-2.6.6-golang-1.14-git-2.26-lfs-2.9-chrome-81.0-node-12.x-yarn-1.21-postgresql-9.6-graphicsmagick-1.3.34"
+  image: "registry.gitlab.com/gitlab-org/gitlab-build-images:ruby-2.6.6-golang-1.14-git-2.26-lfs-2.9-chrome-73.0-node-12.x-yarn-1.21-postgresql-9.6-graphicsmagick-1.3.34"
   services:
     - name: postgres:9.6.17
       command: ["postgres", "-c", "fsync=off", "-c", "synchronous_commit=off", "-c", "full_page_writes=off"]
@@ -75,7 +75,7 @@
     key: "debian-stretch-ruby-2.6.6-pg9-node-12.x"
 
 .use-pg10-ee:
-  image: "registry.gitlab.com/gitlab-org/gitlab-build-images:ruby-2.6.6-golang-1.14-git-2.26-lfs-2.9-chrome-81.0-node-12.x-yarn-1.21-postgresql-10-graphicsmagick-1.3.34"
+  image: "registry.gitlab.com/gitlab-org/gitlab-build-images:ruby-2.6.6-golang-1.14-git-2.26-lfs-2.9-chrome-73.0-node-12.x-yarn-1.21-postgresql-10-graphicsmagick-1.3.34"
   services:
     - name: postgres:10.12
       command: ["postgres", "-c", "fsync=off", "-c", "synchronous_commit=off", "-c", "full_page_writes=off"]
@@ -87,7 +87,7 @@
     key: "debian-stretch-ruby-2.6.6-pg10-node-12.x"
 
 .use-pg11-ee:
-  image: "registry.gitlab.com/gitlab-org/gitlab-build-images:ruby-2.6.6-golang-1.14-git-2.26-lfs-2.9-chrome-81.0-node-12.x-yarn-1.21-postgresql-11-graphicsmagick-1.3.34"
+  image: "registry.gitlab.com/gitlab-org/gitlab-build-images:ruby-2.6.6-golang-1.14-git-2.26-lfs-2.9-chrome-73.0-node-12.x-yarn-1.21-postgresql-11-graphicsmagick-1.3.34"
   services:
     - name: postgres:11.6
       command: ["postgres", "-c", "fsync=off", "-c", "synchronous_commit=off", "-c", "full_page_writes=off"]
diff --git a/.gitlab/ci/rails.gitlab-ci.yml b/.gitlab/ci/rails.gitlab-ci.yml
index f2de98cbfab..c63397dceea 100644
--- a/.gitlab/ci/rails.gitlab-ci.yml
+++ b/.gitlab/ci/rails.gitlab-ci.yml
@@ -145,7 +145,6 @@ db:check-schema:
     - .db-job-base
     - .rails:rules:ee-mr-and-master-only
   script:
-    - scripts/regenerate-schema
     - source scripts/schema_changed.sh
 
 db:migrate-from-v11.11.0:
diff --git a/app/assets/javascripts/registry/explorer/constants.js b/app/assets/javascripts/registry/explorer/constants.js
index d4b9d25b212..4ca4c7088a6 100644
--- a/app/assets/javascripts/registry/explorer/constants.js
+++ b/app/assets/javascripts/registry/explorer/constants.js
@@ -39,14 +39,20 @@ export const DELETE_IMAGE_SUCCESS_MESSAGE = s__(
 
 // Image details page
 
+export const DETAILS_PAGE_TITLE = s__('ContainerRegistry|%{imageName} tags');
+
 export const DELETE_TAG_ERROR_MESSAGE = s__(
-  'ContainerRegistry|Something went wrong while deleting the tag.',
+  'ContainerRegistry|Something went wrong while marking the tag for deletion.',
+);
+export const DELETE_TAG_SUCCESS_MESSAGE = s__(
+  'ContainerRegistry|Tag successfully marked for deletion.',
 );
-export const DELETE_TAG_SUCCESS_MESSAGE = s__('ContainerRegistry|Tag deleted successfully');
 export const DELETE_TAGS_ERROR_MESSAGE = s__(
-  'ContainerRegistry|Something went wrong while deleting the tags.',
+  'ContainerRegistry|Something went wrong while marking the tags for deletion.',
+);
+export const DELETE_TAGS_SUCCESS_MESSAGE = s__(
+  'ContainerRegistry|Tags successfully marked for deletion.',
 );
-export const DELETE_TAGS_SUCCESS_MESSAGE = s__('ContainerRegistry|Tags deleted successfully');
 
 export const DEFAULT_PAGE = 1;
 export const DEFAULT_PAGE_SIZE = 10;
@@ -65,6 +71,27 @@ export const LIST_LABEL_IMAGE_ID = s__('ContainerRegistry|Image ID');
 export const LIST_LABEL_SIZE = s__('ContainerRegistry|Compressed Size');
 export const LIST_LABEL_LAST_UPDATED = s__('ContainerRegistry|Last Updated');
 
+export const REMOVE_TAG_BUTTON_TITLE = s__('ContainerRegistry|Remove tag');
+export const REMOVE_TAGS_BUTTON_TITLE = s__('ContainerRegistry|Remove selected tags');
+
+export const REMOVE_TAG_CONFIRMATION_TEXT = s__(
+  `ContainerRegistry|You are about to remove %{item}. Are you sure?`,
+);
+export const REMOVE_TAGS_CONFIRMATION_TEXT = s__(
+  `ContainerRegistry|You are about to remove %{item} tags. Are you sure?`,
+);
+
+export const EMPTY_IMAGE_REPOSITORY_TITLE = s__('ContainerRegistry|This image has no active tags');
+export const EMPTY_IMAGE_REPOSITORY_MESSAGE = s__(
+  `ContainerRegistry|The last tag related to this image was recently removed.
+This empty image and any associated data will be automatically removed as part of the regular Garbage Collection process.
+If you have any questions, contact your administrator.`,
+);
+
+export const ADMIN_GARBAGE_COLLECTION_TIP = s__(
+  'ContainerRegistry|Remember to run %{docLinkStart}garbage collection%{docLinkEnd} to remove the stale data from storage.',
+);
+
 // Expiration policies
 
 export const EXPIRATION_POLICY_ALERT_TITLE = s__(
diff --git a/app/assets/javascripts/registry/explorer/pages/details.vue b/app/assets/javascripts/registry/explorer/pages/details.vue
index 6afd4d1107a..1d4dcd9a7a2 100644
--- a/app/assets/javascripts/registry/explorer/pages/details.vue
+++ b/app/assets/javascripts/registry/explorer/pages/details.vue
@@ -9,12 +9,14 @@ import {
   GlPagination,
   GlModal,
   GlSprintf,
+  GlAlert,
+  GlLink,
   GlEmptyState,
   GlResizeObserverDirective,
   GlSkeletonLoader,
 } from '@gitlab/ui';
 import { GlBreakpointInstance } from '@gitlab/ui/dist/utils';
-import { n__, s__ } from '~/locale';
+import { n__ } from '~/locale';
 import ClipboardButton from '~/vue_shared/components/clipboard_button.vue';
 import { numberToHumanSize } from '~/lib/utils/number_utils';
 import timeagoMixin from '~/vue_shared/mixins/timeago';
@@ -35,6 +37,14 @@ import {
   DELETE_TAG_ERROR_MESSAGE,
   DELETE_TAGS_SUCCESS_MESSAGE,
   DELETE_TAGS_ERROR_MESSAGE,
+  REMOVE_TAG_CONFIRMATION_TEXT,
+  REMOVE_TAGS_CONFIRMATION_TEXT,
+  DETAILS_PAGE_TITLE,
+  REMOVE_TAGS_BUTTON_TITLE,
+  REMOVE_TAG_BUTTON_TITLE,
+  EMPTY_IMAGE_REPOSITORY_TITLE,
+  EMPTY_IMAGE_REPOSITORY_MESSAGE,
+  ADMIN_GARBAGE_COLLECTION_TIP,
 } from '../constants';
 
 export default {
@@ -49,6 +59,8 @@ export default {
     GlSkeletonLoader,
     GlSprintf,
     GlEmptyState,
+    GlAlert,
+    GlLink,
   },
   directives: {
     GlTooltip: GlTooltipDirective,
@@ -60,6 +72,19 @@ export default {
     width: 1000,
     height: 40,
   },
+  i18n: {
+    DETAILS_PAGE_TITLE,
+    REMOVE_TAGS_BUTTON_TITLE,
+    REMOVE_TAG_BUTTON_TITLE,
+    EMPTY_IMAGE_REPOSITORY_TITLE,
+    EMPTY_IMAGE_REPOSITORY_MESSAGE,
+  },
+  alertMessages: {
+    success_tag: DELETE_TAG_SUCCESS_MESSAGE,
+    danger_tag: DELETE_TAG_ERROR_MESSAGE,
+    success_tags: DELETE_TAGS_SUCCESS_MESSAGE,
+    danger_tags: DELETE_TAGS_ERROR_MESSAGE,
+  },
   data() {
     return {
       selectedItems: [],
@@ -67,6 +92,7 @@ export default {
       selectAllChecked: false,
       modalDescription: null,
       isDesktop: true,
+      deleteAlertType: false,
     };
   },
   computed: {
@@ -110,20 +136,40 @@ export default {
         this.requestTagsList({ pagination: { page }, params: this.$route.params.id });
       },
     },
+    deleteAlertConfig() {
+      const config = {
+        title: '',
+        message: '',
+        type: 'success',
+      };
+      if (this.deleteAlertType) {
+        [config.type] = this.deleteAlertType.split('_');
+
+        const defaultMessage = this.$options.alertMessages[this.deleteAlertType];
+
+        if (this.config.isAdmin && config.type === 'success') {
+          config.title = defaultMessage;
+          config.message = ADMIN_GARBAGE_COLLECTION_TIP;
+        } else {
+          config.message = defaultMessage;
+        }
+      }
+      return config;
+    },
   },
   methods: {
     ...mapActions(['requestTagsList', 'requestDeleteTag', 'requestDeleteTags']),
     setModalDescription(itemIndex = -1) {
       if (itemIndex === -1) {
         this.modalDescription = {
-          message: s__(`ContainerRegistry|You are about to remove %{item} tags. Are you sure?`),
+          message: REMOVE_TAGS_CONFIRMATION_TEXT,
           item: this.itemsToBeDeleted.length,
         };
       } else {
         const { path } = this.tags[itemIndex];
 
         this.modalDescription = {
-          message: s__(`ContainerRegistry|You are about to remove %{item}. Are you sure?`),
+          message: REMOVE_TAG_CONFIRMATION_TEXT,
           item: path,
         };
       }
@@ -179,19 +225,17 @@ export default {
       this.track('click_button');
       this.$refs.deleteModal.show();
     },
-    handleSingleDelete(itemToDelete) {
+    handleSingleDelete(index) {
+      const itemToDelete = this.tags[index];
       this.itemsToBeDeleted = [];
+      this.selectedItems = this.selectedItems.filter(i => i !== index);
       return this.requestDeleteTag({ tag: itemToDelete, params: this.$route.params.id })
-        .then(() =>
-          this.$toast.show(DELETE_TAG_SUCCESS_MESSAGE, {
-            type: 'success',
-          }),
-        )
-        .catch(() =>
-          this.$toast.show(DELETE_TAG_ERROR_MESSAGE, {
-            type: 'error',
-          }),
-        );
+        .then(() => {
+          this.deleteAlertType = 'success_tag';
+        })
+        .catch(() => {
+          this.deleteAlertType = 'danger_tag';
+        });
     },
     handleMultipleDelete() {
       const { itemsToBeDeleted } = this;
@@ -202,24 +246,19 @@ export default {
         ids: itemsToBeDeleted.map(x => this.tags[x].name),
         params: this.$route.params.id,
       })
-        .then(() =>
-          this.$toast.show(DELETE_TAGS_SUCCESS_MESSAGE, {
-            type: 'success',
-          }),
-        )
-        .catch(() =>
-          this.$toast.show(DELETE_TAGS_ERROR_MESSAGE, {
-            type: 'error',
-          }),
-        );
+        .then(() => {
+          this.deleteAlertType = 'success_tags';
+        })
+        .catch(() => {
+          this.deleteAlertType = 'danger_tags';
+        });
     },
     onDeletionConfirmed() {
       this.track('confirm_delete');
       if (this.isMultiDelete) {
         this.handleMultipleDelete();
       } else {
-        const index = this.itemsToBeDeleted[0];
-        this.handleSingleDelete(this.tags[index]);
+        this.handleSingleDelete(this.itemsToBeDeleted[0]);
       }
     },
     handleResize() {
@@ -231,9 +270,24 @@ export default {
 
 <template>
   <div v-gl-resize-observer="handleResize" class="my-3 w-100 slide-enter-to-element">
+    <gl-alert
+      v-if="deleteAlertType"
+      :variant="deleteAlertConfig.type"
+      :title="deleteAlertConfig.title"
+      class="my-2"
+      @dismiss="deleteAlertType = null"
+    >
+      <gl-sprintf :message="deleteAlertConfig.message">
+        <template #docLink="{content}">
+          <gl-link :href="config.garbageCollectionHelpPagePath" target="_blank">
+            {{ content }}
+          </gl-link>
+        </template>
+      </gl-sprintf>
+    </gl-alert>
     <div class="d-flex my-3 align-items-center">
       <h4>
-        <gl-sprintf :message="s__('ContainerRegistry|%{imageName} tags')">
+        <gl-sprintf :message="$options.i18n.DETAILS_PAGE_TITLE">
           <template #imageName>
             {{ imageName }}
           </template>
@@ -256,8 +310,8 @@ export default {
           :disabled="!selectedItems || selectedItems.length === 0"
           class="float-right"
           variant="danger"
-          :title="s__('ContainerRegistry|Remove selected tags')"
-          :aria-label="s__('ContainerRegistry|Remove selected tags')"
+          :title="$options.i18n.REMOVE_TAGS_BUTTON_TITLE"
+          :aria-label="$options.i18n.REMOVE_TAGS_BUTTON_TITLE"
           @click="deleteMultipleItems()"
         >
           <gl-icon name="remove" />
@@ -306,8 +360,8 @@ export default {
       <template #cell(actions)="{index, item}">
         <gl-deprecated-button
           ref="singleDeleteButton"
-          :title="s__('ContainerRegistry|Remove tag')"
-          :aria-label="s__('ContainerRegistry|Remove tag')"
+          :title="$options.i18n.REMOVE_TAG_BUTTON_TITLE"
+          :aria-label="$options.i18n.REMOVE_TAG_BUTTON_TITLE"
           :disabled="!item.destroy_path"
           variant="danger"
           class="js-delete-registry float-right btn-inverted btn-border-color btn-icon"
@@ -337,15 +391,9 @@ export default {
         </template>
         <gl-empty-state
           v-else
-          :title="s__('ContainerRegistry|This image has no active tags')"
+          :title="$options.i18n.EMPTY_IMAGE_REPOSITORY_TITLE"
           :svg-path="config.noContainersImage"
-          :description="
-            s__(
-              `ContainerRegistry|The last tag related to this image was recently removed.
-            This empty image and any associated data will be automatically removed as part of the regular Garbage Collection process.
-            If you have any questions, contact your administrator.`,
-            )
-          "
+          :description="$options.i18n.EMPTY_IMAGE_REPOSITORY_MESSAGE"
           class="mx-auto my-0"
         />
       </template>
diff --git a/app/assets/javascripts/registry/explorer/pages/index.vue b/app/assets/javascripts/registry/explorer/pages/index.vue
index 95d83c82987..709a163d56d 100644
--- a/app/assets/javascripts/registry/explorer/pages/index.vue
+++ b/app/assets/javascripts/registry/explorer/pages/index.vue
@@ -1,46 +1,9 @@
 <script>
-import { GlAlert, GlSprintf, GlLink } from '@gitlab/ui';
-import { mapState, mapActions, mapGetters } from 'vuex';
-import { s__ } from '~/locale';
-
-export default {
-  components: {
-    GlAlert,
-    GlSprintf,
-    GlLink,
-  },
-  i18n: {
-    garbageCollectionTipText: s__(
-      'ContainerRegistry|This Registry contains deleted image tag data. Remember to run  %{docLinkStart}garbage collection%{docLinkEnd} to remove the stale data from storage.',
-    ),
-  },
-  computed: {
-    ...mapState(['config']),
-    ...mapGetters(['showGarbageCollection']),
-  },
-  methods: {
-    ...mapActions(['setShowGarbageCollectionTip']),
-  },
-};
+export default {};
 </script>
 
 <template>
   <div>
-    <gl-alert
-      v-if="showGarbageCollection"
-      variant="tip"
-      class="my-2"
-      @dismiss="setShowGarbageCollectionTip(false)"
-    >
-      <gl-sprintf :message="$options.i18n.garbageCollectionTipText">
-        <template #docLink="{content}">
-          <gl-link :href="config.garbageCollectionHelpPagePath" target="_blank">
-            {{ content }}
-          </gl-link>
-        </template>
-      </gl-sprintf>
-    </gl-alert>
-
     <transition name="slide">
       <router-view ref="router-view" />
     </transition>
diff --git a/app/assets/javascripts/registry/explorer/stores/actions.js b/app/assets/javascripts/registry/explorer/stores/actions.js
index b4f66dbbcd6..6e3cf3f0c80 100644
--- a/app/assets/javascripts/registry/explorer/stores/actions.js
+++ b/app/assets/javascripts/registry/explorer/stores/actions.js
@@ -66,7 +66,7 @@ export const requestDeleteTag = ({ commit, dispatch, state }, { tag, params }) =
       dispatch('setShowGarbageCollectionTip', true);
       return dispatch('requestTagsList', { pagination: state.tagsPagination, params });
     })
-    .catch(() => {
+    .finally(() => {
       commit(types.SET_MAIN_LOADING, false);
     });
 };
@@ -83,7 +83,7 @@ export const requestDeleteTags = ({ commit, dispatch, state }, { ids, params })
       dispatch('setShowGarbageCollectionTip', true);
       return dispatch('requestTagsList', { pagination: state.tagsPagination, params });
     })
-    .catch(() => {
+    .finally(() => {
       commit(types.SET_MAIN_LOADING, false);
     });
 };
diff --git a/app/models/group.rb b/app/models/group.rb
index d61705ca605..fd0f9cc223c 100644
--- a/app/models/group.rb
+++ b/app/models/group.rb
@@ -15,7 +15,6 @@ class Group < Namespace
   include WithUploads
   include Gitlab::Utils::StrongMemoize
   include GroupAPICompatibility
-  include HasWiki
 
   ACCESS_REQUEST_APPROVERS_TO_BE_NOTIFIED_LIMIT = 10
 
diff --git a/app/models/group_wiki.rb b/app/models/group_wiki.rb
deleted file mode 100644
index 703ef80c121..00000000000
--- a/app/models/group_wiki.rb
+++ /dev/null
@@ -1,27 +0,0 @@
-# frozen_string_literal: true
-
-class GroupWiki < Wiki
-  alias_method :group, :container
-
-  override :storage
-  def storage
-    @storage ||= Storage::Hashed.new(container, prefix: Storage::Hashed::GROUP_REPOSITORY_PATH_PREFIX)
-  end
-
-  override :repository_storage
-  def repository_storage
-    # TODO: Add table to track storage
-    # https://gitlab.com/gitlab-org/gitlab/-/issues/207865
-    'default'
-  end
-
-  override :hashed_storage?
-  def hashed_storage?
-    true
-  end
-
-  override :disk_path
-  def disk_path(*args, &block)
-    storage.disk_path + '.wiki'
-  end
-end
diff --git a/app/views/projects/issues/show.html.haml b/app/views/projects/issues/show.html.haml
index e8987265a93..5f596ea7920 100644
--- a/app/views/projects/issues/show.html.haml
+++ b/app/views/projects/issues/show.html.haml
@@ -86,9 +86,9 @@
 
   .content-block.emoji-block.emoji-block-sticky
     .row
-      .col-md-12.col-lg-6.js-noteable-awards
+      .col-md-12.col-lg-4.js-noteable-awards
         = render 'award_emoji/awards_block', awardable: @issue, inline: true
-      .col-md-12.col-lg-6.new-branch-col
+      .col-md-12.col-lg-8.new-branch-col
         #js-vue-sort-issue-discussions
         #js-vue-discussion-filter{ data: { default_filter: current_user&.notes_filter_for(@issue), notes_filters: UserPreference.notes_filters.to_json } }
         = render 'new_branch' if show_new_branch_button?
diff --git a/app/views/projects/static_site_editor/show.html.haml b/app/views/projects/static_site_editor/show.html.haml
index 88c5378fc35..8d2649be588 100644
--- a/app/views/projects/static_site_editor/show.html.haml
+++ b/app/views/projects/static_site_editor/show.html.haml
@@ -1,4 +1 @@
--# TODO: Remove after base URL is included in the model !30735
-- data = @config.payload.merge({ base_url: namespace_project_show_sse_path })
-
-#static-site-editor{ data: data }
+#static-site-editor{ data: @config.payload }
diff --git a/changelogs/unreleased/214477-reactor-toast-to-alert-in-image-repository-details-page.yml b/changelogs/unreleased/214477-reactor-toast-to-alert-in-image-repository-details-page.yml
new file mode 100644
index 00000000000..a87cb780b8c
--- /dev/null
+++ b/changelogs/unreleased/214477-reactor-toast-to-alert-in-image-repository-details-page.yml
@@ -0,0 +1,5 @@
+---
+title: Use alerts instead of toasts in Image Repository details
+merge_request: 29685
+author:
+type: changed
diff --git a/changelogs/unreleased/fix-issue-details-row-emoji-block.yml b/changelogs/unreleased/fix-issue-details-row-emoji-block.yml
new file mode 100644
index 00000000000..15d9025e3b4
--- /dev/null
+++ b/changelogs/unreleased/fix-issue-details-row-emoji-block.yml
@@ -0,0 +1,5 @@
+---
+title: Fix layout in issue view, on large screen some buttons were misaligned
+merge_request: 30947
+author: Michele (macno) Azzolari
+type: fixed
diff --git a/changelogs/unreleased/sh-revert-codeowners-check.yml b/changelogs/unreleased/sh-revert-codeowners-check.yml
new file mode 100644
index 00000000000..04181d0f678
--- /dev/null
+++ b/changelogs/unreleased/sh-revert-codeowners-check.yml
@@ -0,0 +1,5 @@
+---
+title: Revert CODEOWNERS validation of Web requests in diff check
+merge_request: 31087
+author:
+type: fixed
diff --git a/doc/development/testing_guide/review_apps.md b/doc/development/testing_guide/review_apps.md
index 606f7c4d6b5..dd2008a2003 100644
--- a/doc/development/testing_guide/review_apps.md
+++ b/doc/development/testing_guide/review_apps.md
@@ -153,7 +153,13 @@ used by the `review-deploy` and `review-stop` jobs.
 ### Get access to the GCP Review Apps cluster
 
 You need to [open an access request (internal link)](https://gitlab.com/gitlab-com/access-requests/issues/new)
-for the `gcp-review-apps-sg` GCP group.
+for the `gcp-review-apps-sg` GCP group. In order to join a group, you must specify the desired GCP role in your access request.
+The role is what will grant you specific permissions in order to engage with Review App containers.
+
+Here are some permissions you may want to have, and the roles that grant them:
+
+- `container.pods.getLogs` - Required to [retrieve pod logs](#dig-into-a-pods-logs). Granted by [Viewer (`roles/viewer`)](https://cloud.google.com/iam/docs/understanding-roles#kubernetes-engine-roles).
+- `container.pods.exec` - Required to [run a Rails console](#run-a-rails-console). Granted by [Kubernetes Engine Developer (`roles/container.developer`)](https://cloud.google.com/iam/docs/understanding-roles#kubernetes-engine-roles).
 
 ### Log into my Review App
 
@@ -175,7 +181,7 @@ secure note named `gitlab-{ce,ee} Review App's root password`.
 
 ### Run a Rails console
 
-1. Make sure you [have access to the cluster](#get-access-to-the-gcp-review-apps-cluster) first.
+1. Make sure you [have access to the cluster](#get-access-to-the-gcp-review-apps-cluster) and the `container.pods.exec` permission first.
 1. [Filter Workloads by your Review App slug](https://console.cloud.google.com/kubernetes/workload?project=gitlab-review-apps),
    e.g. `review-qa-raise-e-12chm0`.
 1. Find and open the `task-runner` Deployment, e.g. `review-qa-raise-e-12chm0-task-runner`.
@@ -191,7 +197,7 @@ secure note named `gitlab-{ce,ee} Review App's root password`.
 
 ### Dig into a Pod's logs
 
-1. Make sure you [have access to the cluster](#get-access-to-the-gcp-review-apps-cluster) first.
+1. Make sure you [have access to the cluster](#get-access-to-the-gcp-review-apps-cluster) and the `container.pods.getLogs` permission first.
 1. [Filter Workloads by your Review App slug](https://console.cloud.google.com/kubernetes/workload?project=gitlab-review-apps),
    e.g. `review-qa-raise-e-12chm0`.
 1. Find and open the `migrations` Deployment, e.g.
diff --git a/lib/gitlab/metrics/samplers/ruby_sampler.rb b/lib/gitlab/metrics/samplers/ruby_sampler.rb
index c38769f39a9..5cd2a86a106 100644
--- a/lib/gitlab/metrics/samplers/ruby_sampler.rb
+++ b/lib/gitlab/metrics/samplers/ruby_sampler.rb
@@ -34,14 +34,16 @@ module Gitlab
 
         def init_metrics
           metrics = {
-            file_descriptors:               ::Gitlab::Metrics.gauge(with_prefix(:file, :descriptors), 'File descriptors used', labels),
-            memory_bytes:                   ::Gitlab::Metrics.gauge(with_prefix(:memory, :bytes), 'Memory used', labels),
-            process_cpu_seconds_total:      ::Gitlab::Metrics.gauge(with_prefix(:process, :cpu_seconds_total), 'Process CPU seconds total'),
-            process_max_fds:                ::Gitlab::Metrics.gauge(with_prefix(:process, :max_fds), 'Process max fds'),
-            process_resident_memory_bytes:  ::Gitlab::Metrics.gauge(with_prefix(:process, :resident_memory_bytes), 'Memory used', labels),
-            process_start_time_seconds:     ::Gitlab::Metrics.gauge(with_prefix(:process, :start_time_seconds), 'Process start time seconds'),
-            sampler_duration:               ::Gitlab::Metrics.counter(with_prefix(:sampler, :duration_seconds_total), 'Sampler time', labels),
-            gc_duration_seconds:            ::Gitlab::Metrics.histogram(with_prefix(:gc, :duration_seconds), 'GC time', labels, GC_REPORT_BUCKETS)
+            file_descriptors:                  ::Gitlab::Metrics.gauge(with_prefix(:file, :descriptors), 'File descriptors used', labels),
+            memory_bytes:                      ::Gitlab::Metrics.gauge(with_prefix(:memory, :bytes), 'Memory used (RSS)', labels),
+            process_cpu_seconds_total:         ::Gitlab::Metrics.gauge(with_prefix(:process, :cpu_seconds_total), 'Process CPU seconds total'),
+            process_max_fds:                   ::Gitlab::Metrics.gauge(with_prefix(:process, :max_fds), 'Process max fds'),
+            process_resident_memory_bytes:     ::Gitlab::Metrics.gauge(with_prefix(:process, :resident_memory_bytes), 'Memory used (RSS)', labels),
+            process_unique_memory_bytes:       ::Gitlab::Metrics.gauge(with_prefix(:process, :unique_memory_bytes), 'Memory used (USS)', labels),
+            process_proportional_memory_bytes: ::Gitlab::Metrics.gauge(with_prefix(:process, :proportional_memory_bytes), 'Memory used (PSS)', labels),
+            process_start_time_seconds:        ::Gitlab::Metrics.gauge(with_prefix(:process, :start_time_seconds), 'Process start time seconds'),
+            sampler_duration:                  ::Gitlab::Metrics.counter(with_prefix(:sampler, :duration_seconds_total), 'Sampler time', labels),
+            gc_duration_seconds:               ::Gitlab::Metrics.histogram(with_prefix(:gc, :duration_seconds), 'GC time', labels, GC_REPORT_BUCKETS)
           }
 
           GC.stat.keys.each do |key|
@@ -85,10 +87,15 @@ module Gitlab
         end
 
         def set_memory_usage_metrics
-          memory_usage = System.memory_usage
-
-          metrics[:memory_bytes].set(labels, memory_usage)
-          metrics[:process_resident_memory_bytes].set(labels, memory_usage)
+          memory_rss = System.memory_usage
+          metrics[:memory_bytes].set(labels, memory_rss)
+          metrics[:process_resident_memory_bytes].set(labels, memory_rss)
+
+          if Feature.enabled?(:collect_memory_uss_pss)
+            memory_uss_pss = System.memory_usage_uss_pss
+            metrics[:process_unique_memory_bytes].set(labels, memory_uss_pss[:uss])
+            metrics[:process_proportional_memory_bytes].set(labels, memory_uss_pss[:pss])
+          end
         end
       end
     end
diff --git a/lib/gitlab/metrics/system.rb b/lib/gitlab/metrics/system.rb
index 2a61b3de405..d01b6bc5b50 100644
--- a/lib/gitlab/metrics/system.rb
+++ b/lib/gitlab/metrics/system.rb
@@ -7,47 +7,37 @@ module Gitlab
     # This module relies on the /proc filesystem being available. If /proc is
     # not available the methods of this module will be stubbed.
     module System
-      if File.exist?('/proc')
-        # Returns the current process' memory usage in bytes.
-        def self.memory_usage
-          mem   = 0
-          match = File.read('/proc/self/status').match(/VmRSS:\s+(\d+)/)
-
-          if match && match[1]
-            mem = match[1].to_f * 1024
-          end
-
-          mem
-        end
-
-        def self.file_descriptor_count
-          Dir.glob('/proc/self/fd/*').length
-        end
-
-        def self.max_open_file_descriptors
-          match = File.read('/proc/self/limits').match(/Max open files\s*(\d+)/)
-
-          return unless match && match[1]
+      PROC_STATUS_PATH = '/proc/self/status'
+      PROC_SMAPS_ROLLUP_PATH = '/proc/self/smaps_rollup'
+      PROC_LIMITS_PATH = '/proc/self/limits'
+      PROC_FD_GLOB = '/proc/self/fd/*'
+
+      PRIVATE_PAGES_PATTERN = /^(Private_Clean|Private_Dirty|Private_Hugetlb):\s+(?<value>\d+)/.freeze
+      PSS_PATTERN = /^Pss:\s+(?<value>\d+)/.freeze
+      RSS_PATTERN = /VmRSS:\s+(?<value>\d+)/.freeze
+      MAX_OPEN_FILES_PATTERN = /Max open files\s*(?<value>\d+)/.freeze
+
+      # Returns the current process' RSS (resident set size) in bytes.
+      def self.memory_usage
+        sum_matches(PROC_STATUS_PATH, rss: RSS_PATTERN)[:rss].kilobytes
+      end
 
-          match[1].to_i
-        end
-      else
-        def self.memory_usage
-          0.0
-        end
+      # Returns the current process' USS/PSS (unique/proportional set size) in bytes.
+      def self.memory_usage_uss_pss
+        sum_matches(PROC_SMAPS_ROLLUP_PATH, uss: PRIVATE_PAGES_PATTERN, pss: PSS_PATTERN)
+          .transform_values(&:kilobytes)
+      end
 
-        def self.file_descriptor_count
-          0
-        end
+      def self.file_descriptor_count
+        Dir.glob(PROC_FD_GLOB).length
+      end
 
-        def self.max_open_file_descriptors
-          0
-        end
+      def self.max_open_file_descriptors
+        sum_matches(PROC_LIMITS_PATH, max_fds: MAX_OPEN_FILES_PATTERN)[:max_fds]
       end
 
       def self.cpu_time
-        Process
-          .clock_gettime(Process::CLOCK_PROCESS_CPUTIME_ID, :float_second)
+        Process.clock_gettime(Process::CLOCK_PROCESS_CPUTIME_ID, :float_second)
       end
 
       # Returns the current real time in a given precision.
@@ -78,6 +68,27 @@ module Gitlab
 
         end_time - start_time
       end
+
+      # Given a path to a file in /proc and a hash of (metric, pattern) pairs,
+      # sums up all values found for those patterns under the respective metric.
+      def self.sum_matches(proc_file, **patterns)
+        results = patterns.transform_values { 0 }
+
+        begin
+          File.foreach(proc_file) do |line|
+            patterns.each do |metric, pattern|
+              match = line.match(pattern)
+              value = match&.named_captures&.fetch('value', 0)
+              results[metric] += value.to_i
+            end
+          end
+        rescue Errno::ENOENT
+          # This means the procfile we're reading from did not exist;
+          # this is safe to ignore, since we initialize each metric to 0
+        end
+
+        results
+      end
     end
   end
 end
diff --git a/lib/gitlab/static_site_editor/config.rb b/lib/gitlab/static_site_editor/config.rb
index 1862d949817..c931cdecbeb 100644
--- a/lib/gitlab/static_site_editor/config.rb
+++ b/lib/gitlab/static_site_editor/config.rb
@@ -22,7 +22,8 @@ module Gitlab
           project: project.path,
           namespace: project.namespace.path,
           return_url: return_url,
-          is_supported_content: supported_content?.to_s
+          is_supported_content: supported_content?.to_s,
+          base_url: Gitlab::Routing.url_helpers.project_show_sse_path(project, full_path)
         }
       end
 
@@ -47,6 +48,10 @@ module Gitlab
       def file_exists?
         commit_id.present? && repository.blob_at(commit_id, file_path).present?
       end
+
+      def full_path
+        "#{ref}/#{file_path}"
+      end
     end
   end
 end
diff --git a/lib/gitlab/url_builder.rb b/lib/gitlab/url_builder.rb
index 80e31b06ba2..d292b36b311 100644
--- a/lib/gitlab/url_builder.rb
+++ b/lib/gitlab/url_builder.rb
@@ -72,13 +72,8 @@ module Gitlab
       end
 
       def wiki_url(object, **options)
-        case object.container
-        when Project
+        if object.container.is_a?(Project)
           instance.project_wiki_url(object.container, Wiki::HOMEPAGE, **options)
-        when Group
-          # TODO: Use the new route for group wikis once we add it.
-          # https://gitlab.com/gitlab-org/gitlab/-/issues/211360
-          instance.group_canonical_url(object.container, **options) + "/-/wikis/#{Wiki::HOMEPAGE}"
         else
           raise NotImplementedError.new("No URL builder defined for #{object.inspect}")
         end
diff --git a/locale/gitlab.pot b/locale/gitlab.pot
index f42f139b30d..0ae16d93a6e 100644
--- a/locale/gitlab.pot
+++ b/locale/gitlab.pot
@@ -5713,6 +5713,9 @@ msgstr ""
 msgid "ContainerRegistry|Regular expressions such as %{codeStart}.*-test%{codeEnd} or %{codeStart}dev-.*%{codeEnd} are supported. To select all tags, use %{codeStart}.*%{codeEnd}"
 msgstr ""
 
+msgid "ContainerRegistry|Remember to run %{docLinkStart}garbage collection%{docLinkEnd} to remove the stale data from storage."
+msgstr ""
+
 msgid "ContainerRegistry|Remove repository"
 msgstr ""
 
@@ -5727,19 +5730,19 @@ msgstr[1] ""
 msgid "ContainerRegistry|Retention policy has been Enabled"
 msgstr ""
 
-msgid "ContainerRegistry|Something went wrong while deleting the tag."
+msgid "ContainerRegistry|Something went wrong while fetching the expiration policy."
 msgstr ""
 
-msgid "ContainerRegistry|Something went wrong while deleting the tags."
+msgid "ContainerRegistry|Something went wrong while fetching the repository list."
 msgstr ""
 
-msgid "ContainerRegistry|Something went wrong while fetching the expiration policy."
+msgid "ContainerRegistry|Something went wrong while fetching the tags list."
 msgstr ""
 
-msgid "ContainerRegistry|Something went wrong while fetching the repository list."
+msgid "ContainerRegistry|Something went wrong while marking the tag for deletion."
 msgstr ""
 
-msgid "ContainerRegistry|Something went wrong while fetching the tags list."
+msgid "ContainerRegistry|Something went wrong while marking the tags for deletion."
 msgstr ""
 
 msgid "ContainerRegistry|Something went wrong while scheduling %{title} for deletion. Please try again."
@@ -5751,16 +5754,16 @@ msgstr ""
 msgid "ContainerRegistry|Tag"
 msgstr ""
 
-msgid "ContainerRegistry|Tag deleted successfully"
-msgstr ""
-
 msgid "ContainerRegistry|Tag expiration policy"
 msgstr ""
 
 msgid "ContainerRegistry|Tag expiration policy is designed to:"
 msgstr ""
 
-msgid "ContainerRegistry|Tags deleted successfully"
+msgid "ContainerRegistry|Tag successfully marked for deletion."
+msgstr ""
+
+msgid "ContainerRegistry|Tags successfully marked for deletion."
 msgstr ""
 
 msgid "ContainerRegistry|Tags with names matching this regex pattern will %{italicStart}be preserved:%{italicEnd}"
@@ -5793,9 +5796,6 @@ msgstr ""
 msgid "ContainerRegistry|There was an error during the deletion of this image repository, please try again."
 msgstr ""
 
-msgid "ContainerRegistry|This Registry contains deleted image tag data. Remember to run  %{docLinkStart}garbage collection%{docLinkEnd} to remove the stale data from storage."
-msgstr ""
-
 msgid "ContainerRegistry|This image has no active tags"
 msgstr ""
 
diff --git a/package.json b/package.json
index c750481cd84..b5b772601eb 100644
--- a/package.json
+++ b/package.json
@@ -39,7 +39,7 @@
     "@babel/plugin-syntax-import-meta": "^7.8.3",
     "@babel/preset-env": "^7.8.4",
     "@gitlab/at.js": "1.5.5",
-    "@gitlab/svgs": "1.123.0",
+    "@gitlab/svgs": "1.125.0",
     "@gitlab/ui": "13.9.0",
     "@gitlab/visual-review-tools": "1.6.1",
     "@rails/actioncable": "^6.0.2-2",
diff --git a/spec/factories/groups.rb b/spec/factories/groups.rb
index 6d292d529ab..4b6c1756d1e 100644
--- a/spec/factories/groups.rb
+++ b/spec/factories/groups.rb
@@ -51,11 +51,5 @@ FactoryBot.define do
     trait :owner_subgroup_creation_only do
       subgroup_creation_level { ::Gitlab::Access::OWNER_SUBGROUP_ACCESS}
     end
-
-    trait :wiki_repo do
-      after(:create) do |group|
-        raise 'Failed to create wiki repository!' unless group.create_wiki
-      end
-    end
   end
 end
diff --git a/spec/factories/wikis.rb b/spec/factories/wikis.rb
index b591b0f169d..96578fdcee6 100644
--- a/spec/factories/wikis.rb
+++ b/spec/factories/wikis.rb
@@ -17,9 +17,5 @@ FactoryBot.define do
 
       container { project }
     end
-
-    factory :group_wiki do
-      container { association(:group, :wiki_repo) }
-    end
   end
 end
diff --git a/spec/features/groups/members/leave_group_spec.rb b/spec/features/groups/members/leave_group_spec.rb
index df15f995be4..5c7c83aea6d 100644
--- a/spec/features/groups/members/leave_group_spec.rb
+++ b/spec/features/groups/members/leave_group_spec.rb
@@ -31,8 +31,6 @@ describe 'Groups > Members > Leave group' do
 
     page.accept_confirm
 
-    expect(find('.flash-notice')).to have_content "You left the \"#{group.full_name}\" group"
-    expect(page).to have_content left_group_message(group)
     expect(current_path).to eq(dashboard_groups_path)
     expect(group.users).not_to include(user)
   end
diff --git a/spec/frontend/registry/explorer/pages/details_spec.js b/spec/frontend/registry/explorer/pages/details_spec.js
index 15aa5008413..d6741aa3141 100644
--- a/spec/frontend/registry/explorer/pages/details_spec.js
+++ b/spec/frontend/registry/explorer/pages/details_spec.js
@@ -1,15 +1,16 @@
 import { mount } from '@vue/test-utils';
-import { GlTable, GlPagination, GlSkeletonLoader } from '@gitlab/ui';
+import { GlTable, GlPagination, GlSkeletonLoader, GlAlert, GlLink } from '@gitlab/ui';
 import Tracking from '~/tracking';
 import stubChildren from 'helpers/stub_children';
 import component from '~/registry/explorer/pages/details.vue';
-import store from '~/registry/explorer/stores/';
-import { SET_MAIN_LOADING } from '~/registry/explorer/stores/mutation_types/';
+import { createStore } from '~/registry/explorer/stores/';
+import { SET_MAIN_LOADING, SET_INITIAL_STATE } from '~/registry/explorer/stores/mutation_types/';
 import {
   DELETE_TAG_SUCCESS_MESSAGE,
   DELETE_TAG_ERROR_MESSAGE,
   DELETE_TAGS_SUCCESS_MESSAGE,
   DELETE_TAGS_ERROR_MESSAGE,
+  ADMIN_GARBAGE_COLLECTION_TIP,
 } from '~/registry/explorer/constants';
 import { tagsListResponse } from '../mock_data';
 import { GlModal } from '../stubs';
@@ -18,6 +19,7 @@ import { $toast } from '../../shared/mocks';
 describe('Details Page', () => {
   let wrapper;
   let dispatchSpy;
+  let store;
 
   const findDeleteModal = () => wrapper.find(GlModal);
   const findPagination = () => wrapper.find(GlPagination);
@@ -30,6 +32,7 @@ describe('Details Page', () => {
   const findAllCheckboxes = () => wrapper.findAll('.js-row-checkbox');
   const findCheckedCheckboxes = () => findAllCheckboxes().filter(c => c.attributes('checked'));
   const findFirsTagColumn = () => wrapper.find('.js-tag-column');
+  const findAlert = () => wrapper.find(GlAlert);
 
   const routeId = window.btoa(JSON.stringify({ name: 'foo', tags_path: 'bar' }));
 
@@ -55,6 +58,7 @@ describe('Details Page', () => {
   };
 
   beforeEach(() => {
+    store = createStore();
     dispatchSpy = jest.spyOn(store, 'dispatch');
     store.dispatch('receiveTagsListSuccess', tagsListResponse);
     jest.spyOn(Tracking, 'event');
@@ -62,6 +66,7 @@ describe('Details Page', () => {
 
   afterEach(() => {
     wrapper.destroy();
+    wrapper = null;
   });
 
   describe('when isLoading is true', () => {
@@ -328,25 +333,9 @@ describe('Details Page', () => {
           });
           // itemsToBeDeleted is not represented in the DOM, is used as parking variable between selected and deleted items
           expect(wrapper.vm.itemsToBeDeleted).toEqual([]);
+          expect(wrapper.vm.selectedItems).toEqual([]);
           expect(findCheckedCheckboxes()).toHaveLength(0);
         });
-
-        it('show success toast on successful delete', () => {
-          return wrapper.vm.handleSingleDelete(0).then(() => {
-            expect(wrapper.vm.$toast.show).toHaveBeenCalledWith(DELETE_TAG_SUCCESS_MESSAGE, {
-              type: 'success',
-            });
-          });
-        });
-
-        it('show error toast on erred delete', () => {
-          dispatchSpy.mockRejectedValue();
-          return wrapper.vm.handleSingleDelete(0).then(() => {
-            expect(wrapper.vm.$toast.show).toHaveBeenCalledWith(DELETE_TAG_ERROR_MESSAGE, {
-              type: 'error',
-            });
-          });
-        });
       });
 
       describe('when multiple elements are selected', () => {
@@ -365,23 +354,6 @@ describe('Details Page', () => {
           expect(wrapper.vm.itemsToBeDeleted).toEqual([]);
           expect(findCheckedCheckboxes()).toHaveLength(0);
         });
-
-        it('show success toast on successful delete', () => {
-          return wrapper.vm.handleMultipleDelete(0).then(() => {
-            expect(wrapper.vm.$toast.show).toHaveBeenCalledWith(DELETE_TAGS_SUCCESS_MESSAGE, {
-              type: 'success',
-            });
-          });
-        });
-
-        it('show error toast on erred delete', () => {
-          dispatchSpy.mockRejectedValue();
-          return wrapper.vm.handleMultipleDelete(0).then(() => {
-            expect(wrapper.vm.$toast.show).toHaveBeenCalledWith(DELETE_TAGS_ERROR_MESSAGE, {
-              type: 'error',
-            });
-          });
-        });
       });
     });
 
@@ -395,4 +367,108 @@ describe('Details Page', () => {
       });
     });
   });
+
+  describe('Delete alert', () => {
+    const config = {
+      garbageCollectionHelpPagePath: 'foo',
+    };
+
+    describe('when the user is an admin', () => {
+      beforeEach(() => {
+        store.commit(SET_INITIAL_STATE, { ...config, isAdmin: true });
+      });
+
+      afterEach(() => {
+        store.commit(SET_INITIAL_STATE, config);
+      });
+
+      describe.each`
+        deleteType                | successTitle                   | errorTitle
+        ${'handleSingleDelete'}   | ${DELETE_TAG_SUCCESS_MESSAGE}  | ${DELETE_TAG_ERROR_MESSAGE}
+        ${'handleMultipleDelete'} | ${DELETE_TAGS_SUCCESS_MESSAGE} | ${DELETE_TAGS_ERROR_MESSAGE}
+      `('behaves correctly on $deleteType', ({ deleteType, successTitle, errorTitle }) => {
+        describe('when delete is successful', () => {
+          beforeEach(() => {
+            dispatchSpy.mockResolvedValue();
+            mountComponent();
+            return wrapper.vm[deleteType]('foo');
+          });
+
+          it('alert exists', () => {
+            expect(findAlert().exists()).toBe(true);
+          });
+
+          it('alert body contains admin tip', () => {
+            expect(
+              findAlert()
+                .text()
+                .replace(/\s\s+/gm, ' '),
+            ).toBe(ADMIN_GARBAGE_COLLECTION_TIP.replace(/%{\w+}/gm, ''));
+          });
+
+          it('alert body contains link', () => {
+            const alertLink = findAlert().find(GlLink);
+            expect(alertLink.exists()).toBe(true);
+            expect(alertLink.attributes('href')).toBe(config.garbageCollectionHelpPagePath);
+          });
+
+          it('alert title is appropriate', () => {
+            expect(findAlert().attributes('title')).toBe(successTitle);
+          });
+        });
+
+        describe('when delete is not successful', () => {
+          beforeEach(() => {
+            mountComponent();
+            dispatchSpy.mockRejectedValue();
+            return wrapper.vm[deleteType]('foo');
+          });
+
+          it('alert exist and text is appropriate', () => {
+            expect(findAlert().exists()).toBe(true);
+            expect(findAlert().text()).toBe(errorTitle);
+          });
+        });
+      });
+    });
+
+    describe.each`
+      deleteType                | successTitle                   | errorTitle
+      ${'handleSingleDelete'}   | ${DELETE_TAG_SUCCESS_MESSAGE}  | ${DELETE_TAG_ERROR_MESSAGE}
+      ${'handleMultipleDelete'} | ${DELETE_TAGS_SUCCESS_MESSAGE} | ${DELETE_TAGS_ERROR_MESSAGE}
+    `(
+      'when the user is not an admin alert behaves correctly on $deleteType',
+      ({ deleteType, successTitle, errorTitle }) => {
+        beforeEach(() => {
+          store.commit('SET_INITIAL_STATE', { ...config });
+        });
+
+        describe('when delete is successful', () => {
+          beforeEach(() => {
+            dispatchSpy.mockResolvedValue();
+            mountComponent();
+            return wrapper.vm[deleteType]('foo');
+          });
+
+          it('alert exist and text is appropriate', () => {
+            expect(findAlert().exists()).toBe(true);
+            expect(findAlert().text()).toBe(successTitle);
+          });
+        });
+
+        describe('when delete is not successful', () => {
+          beforeEach(() => {
+            mountComponent();
+            dispatchSpy.mockRejectedValue();
+            return wrapper.vm[deleteType]('foo');
+          });
+
+          it('alert exist and text is appropriate', () => {
+            expect(findAlert().exists()).toBe(true);
+            expect(findAlert().text()).toBe(errorTitle);
+          });
+        });
+      },
+    );
+  });
 });
diff --git a/spec/frontend/registry/explorer/pages/index_spec.js b/spec/frontend/registry/explorer/pages/index_spec.js
index f52e7d67866..b558727ed5e 100644
--- a/spec/frontend/registry/explorer/pages/index_spec.js
+++ b/spec/frontend/registry/explorer/pages/index_spec.js
@@ -1,62 +1,26 @@
 import { shallowMount } from '@vue/test-utils';
-import { GlAlert, GlSprintf, GlLink } from '@gitlab/ui';
 import component from '~/registry/explorer/pages/index.vue';
 import store from '~/registry/explorer/stores/';
 
 describe('List Page', () => {
   let wrapper;
-  let dispatchSpy;
 
   const findRouterView = () => wrapper.find({ ref: 'router-view' });
-  const findAlert = () => wrapper.find(GlAlert);
-  const findLink = () => wrapper.find(GlLink);
 
   const mountComponent = () => {
     wrapper = shallowMount(component, {
       store,
       stubs: {
         RouterView: true,
-        GlSprintf,
       },
     });
   };
 
   beforeEach(() => {
-    dispatchSpy = jest.spyOn(store, 'dispatch');
     mountComponent();
   });
 
   it('has a router view', () => {
     expect(findRouterView().exists()).toBe(true);
   });
-
-  describe('garbageCollectionTip alert', () => {
-    beforeEach(() => {
-      store.dispatch('setInitialState', { isAdmin: true, garbageCollectionHelpPagePath: 'foo' });
-      store.dispatch('setShowGarbageCollectionTip', true);
-    });
-
-    afterEach(() => {
-      store.dispatch('setInitialState', {});
-      store.dispatch('setShowGarbageCollectionTip', false);
-    });
-
-    it('is visible when the user is an admin and the user performed a delete action', () => {
-      expect(findAlert().exists()).toBe(true);
-    });
-
-    it('on dismiss disappears ', () => {
-      findAlert().vm.$emit('dismiss');
-      expect(dispatchSpy).toHaveBeenCalledWith('setShowGarbageCollectionTip', false);
-      return wrapper.vm.$nextTick().then(() => {
-        expect(findAlert().exists()).toBe(false);
-      });
-    });
-
-    it('contains a link to the docs', () => {
-      const link = findLink();
-      expect(link.exists()).toBe(true);
-      expect(link.attributes('href')).toBe(store.state.config.garbageCollectionHelpPagePath);
-    });
-  });
 });
diff --git a/spec/frontend/registry/explorer/stores/actions_spec.js b/spec/frontend/registry/explorer/stores/actions_spec.js
index 58f61a0e8c2..15f9db90910 100644
--- a/spec/frontend/registry/explorer/stores/actions_spec.js
+++ b/spec/frontend/registry/explorer/stores/actions_spec.js
@@ -191,7 +191,10 @@ describe('Actions RegistryExplorer Store', () => {
         {
           tagsPagination: {},
         },
-        [{ type: types.SET_MAIN_LOADING, payload: true }],
+        [
+          { type: types.SET_MAIN_LOADING, payload: true },
+          { type: types.SET_MAIN_LOADING, payload: false },
+        ],
         [
           {
             type: 'setShowGarbageCollectionTip',
@@ -220,8 +223,7 @@ describe('Actions RegistryExplorer Store', () => {
           { type: types.SET_MAIN_LOADING, payload: false },
         ],
         [],
-        done,
-      );
+      ).catch(() => done());
     });
   });
 
@@ -241,7 +243,10 @@ describe('Actions RegistryExplorer Store', () => {
         {
           tagsPagination: {},
         },
-        [{ type: types.SET_MAIN_LOADING, payload: true }],
+        [
+          { type: types.SET_MAIN_LOADING, payload: true },
+          { type: types.SET_MAIN_LOADING, payload: false },
+        ],
         [
           {
             type: 'setShowGarbageCollectionTip',
@@ -273,8 +278,7 @@ describe('Actions RegistryExplorer Store', () => {
           { type: types.SET_MAIN_LOADING, payload: false },
         ],
         [],
-        done,
-      );
+      ).catch(() => done());
     });
   });
 
@@ -311,9 +315,7 @@ describe('Actions RegistryExplorer Store', () => {
           { type: types.SET_MAIN_LOADING, payload: false },
         ],
         [],
-      ).catch(() => {
-        done();
-      });
+      ).catch(() => done());
     });
   });
 });
diff --git a/spec/lib/gitlab/metrics/samplers/ruby_sampler_spec.rb b/spec/lib/gitlab/metrics/samplers/ruby_sampler_spec.rb
index 8c4071a7ed1..9d8ec2d9b21 100644
--- a/spec/lib/gitlab/metrics/samplers/ruby_sampler_spec.rb
+++ b/spec/lib/gitlab/metrics/samplers/ruby_sampler_spec.rb
@@ -19,20 +19,19 @@ describe Gitlab::Metrics::Samplers::RubySampler do
   end
 
   describe '#sample' do
-    it 'samples various statistics' do
-      expect(Gitlab::Metrics::System).to receive(:cpu_time)
-      expect(Gitlab::Metrics::System).to receive(:file_descriptor_count)
-      expect(Gitlab::Metrics::System).to receive(:memory_usage)
-      expect(Gitlab::Metrics::System).to receive(:max_open_file_descriptors)
-      expect(sampler).to receive(:sample_gc)
+    it 'adds a metric containing the process resident memory bytes' do
+      expect(Gitlab::Metrics::System).to receive(:memory_usage).and_return(9000)
+
+      expect(sampler.metrics[:process_resident_memory_bytes]).to receive(:set).with({}, 9000)
 
       sampler.sample
     end
 
-    it 'adds a metric containing the process resident memory bytes' do
-      expect(Gitlab::Metrics::System).to receive(:memory_usage).and_return(9000)
+    it 'adds a metric containing the process unique and proportional memory bytes' do
+      expect(Gitlab::Metrics::System).to receive(:memory_usage_uss_pss).and_return(uss: 9000, pss: 10_000)
 
-      expect(sampler.metrics[:process_resident_memory_bytes]).to receive(:set).with({}, 9000)
+      expect(sampler.metrics[:process_unique_memory_bytes]).to receive(:set).with({}, 9000)
+      expect(sampler.metrics[:process_proportional_memory_bytes]).to receive(:set).with({}, 10_000)
 
       sampler.sample
     end
diff --git a/spec/lib/gitlab/metrics/system_spec.rb b/spec/lib/gitlab/metrics/system_spec.rb
index a5aa80686fd..37d26bd9d63 100644
--- a/spec/lib/gitlab/metrics/system_spec.rb
+++ b/spec/lib/gitlab/metrics/system_spec.rb
@@ -3,33 +3,122 @@
 require 'spec_helper'
 
 describe Gitlab::Metrics::System do
-  if File.exist?('/proc')
+  context 'when /proc files exist' do
+    # Fixtures pulled from:
+    # Linux carbon 5.3.0-7648-generic #41~1586789791~19.10~9593806-Ubuntu SMP Mon Apr 13 17:50:40 UTC  x86_64 x86_64 x86_64 GNU/Linux
+    let(:proc_status) do
+      # most rows omitted for brevity
+      <<~SNIP
+      Name:       less
+      VmHWM:      2468 kB
+      VmRSS:      2468 kB
+      RssAnon:    260 kB
+      SNIP
+    end
+
+    let(:proc_smaps_rollup) do
+      # full snapshot
+      <<~SNIP
+      Rss:                2564 kB
+      Pss:                 503 kB
+      Pss_Anon:            312 kB
+      Pss_File:            191 kB
+      Pss_Shmem:             0 kB
+      Shared_Clean:       2100 kB
+      Shared_Dirty:          0 kB
+      Private_Clean:       152 kB
+      Private_Dirty:       312 kB
+      Referenced:         2564 kB
+      Anonymous:           312 kB
+      LazyFree:              0 kB
+      AnonHugePages:         0 kB
+      ShmemPmdMapped:        0 kB
+      Shared_Hugetlb:        0 kB
+      Private_Hugetlb:       0 kB
+      Swap:                  0 kB
+      SwapPss:               0 kB
+      Locked:                0 kB
+      SNIP
+    end
+
+    let(:proc_limits) do
+      # full snapshot
+      <<~SNIP
+      Limit                     Soft Limit           Hard Limit           Units
+      Max cpu time              unlimited            unlimited            seconds
+      Max file size             unlimited            unlimited            bytes
+      Max data size             unlimited            unlimited            bytes
+      Max stack size            8388608              unlimited            bytes
+      Max core file size        0                    unlimited            bytes
+      Max resident set          unlimited            unlimited            bytes
+      Max processes             126519               126519               processes
+      Max open files            1024                 1048576              files
+      Max locked memory         67108864             67108864             bytes
+      Max address space         unlimited            unlimited            bytes
+      Max file locks            unlimited            unlimited            locks
+      Max pending signals       126519               126519               signals
+      Max msgqueue size         819200               819200               bytes
+      Max nice priority         0                    0
+      Max realtime priority     0                    0
+      Max realtime timeout      unlimited            unlimited            us
+      SNIP
+    end
+
     describe '.memory_usage' do
-      it "returns the process' memory usage in bytes" do
-        expect(described_class.memory_usage).to be > 0
+      it "returns the process' resident set size (RSS) in bytes" do
+        mock_existing_proc_file('/proc/self/status', proc_status)
+
+        expect(described_class.memory_usage).to eq(2527232)
       end
     end
 
     describe '.file_descriptor_count' do
       it 'returns the amount of open file descriptors' do
-        expect(described_class.file_descriptor_count).to be > 0
+        expect(Dir).to receive(:glob).and_return(['/some/path', '/some/other/path'])
+
+        expect(described_class.file_descriptor_count).to eq(2)
       end
     end
 
     describe '.max_open_file_descriptors' do
       it 'returns the max allowed open file descriptors' do
-        expect(described_class.max_open_file_descriptors).to be > 0
+        mock_existing_proc_file('/proc/self/limits', proc_limits)
+
+        expect(described_class.max_open_file_descriptors).to eq(1024)
+      end
+    end
+
+    describe '.memory_usage_uss_pss' do
+      it "returns the process' unique and porportional set size (USS/PSS) in bytes" do
+        mock_existing_proc_file('/proc/self/smaps_rollup', proc_smaps_rollup)
+
+        # (Private_Clean (152 kB) + Private_Dirty (312 kB) + Private_Hugetlb (0 kB)) * 1024
+        expect(described_class.memory_usage_uss_pss).to eq(uss: 475136, pss: 515072)
       end
     end
-  else
+  end
+
+  context 'when /proc files do not exist' do
+    before do
+      mock_missing_proc_file
+    end
+
     describe '.memory_usage' do
-      it 'returns 0.0' do
-        expect(described_class.memory_usage).to eq(0.0)
+      it 'returns 0' do
+        expect(described_class.memory_usage).to eq(0)
+      end
+    end
+
+    describe '.memory_usage_uss_pss' do
+      it "returns 0 for all components" do
+        expect(described_class.memory_usage_uss_pss).to eq(uss: 0, pss: 0)
       end
     end
 
     describe '.file_descriptor_count' do
       it 'returns 0' do
+        expect(Dir).to receive(:glob).and_return([])
+
         expect(described_class.file_descriptor_count).to eq(0)
       end
     end
@@ -98,4 +187,12 @@ describe Gitlab::Metrics::System do
       expect(described_class.thread_cpu_duration(start_time)).to be_nil
     end
   end
+
+  def mock_existing_proc_file(path, content)
+    allow(File).to receive(:foreach).with(path) { |_path, &block| content.each_line(&block) }
+  end
+
+  def mock_missing_proc_file
+    allow(File).to receive(:foreach).and_raise(Errno::ENOENT)
+  end
 end
diff --git a/spec/lib/gitlab/repository_url_builder_spec.rb b/spec/lib/gitlab/repository_url_builder_spec.rb
index 1eb9de48405..a5797146cc5 100644
--- a/spec/lib/gitlab/repository_url_builder_spec.rb
+++ b/spec/lib/gitlab/repository_url_builder_spec.rb
@@ -10,7 +10,6 @@ describe Gitlab::RepositoryUrlBuilder do
       :project          | ->(project) { project.full_path }
       :project_snippet  | ->(snippet) { "#{snippet.project.full_path}/snippets/#{snippet.id}" }
       :project_wiki     | ->(wiki)    { "#{wiki.container.full_path}.wiki" }
-      :group_wiki       | ->(wiki)    { "#{wiki.container.full_path}.wiki" }
 
       :personal_snippet | ->(snippet) { "snippets/#{snippet.id}" }
     end
diff --git a/spec/lib/gitlab/static_site_editor/config_spec.rb b/spec/lib/gitlab/static_site_editor/config_spec.rb
index b32af912ad9..a1db567db1a 100644
--- a/spec/lib/gitlab/static_site_editor/config_spec.rb
+++ b/spec/lib/gitlab/static_site_editor/config_spec.rb
@@ -5,9 +5,10 @@ require 'spec_helper'
 describe Gitlab::StaticSiteEditor::Config do
   subject(:config) { described_class.new(repository, ref, file_path, return_url) }
 
-  let(:project) { create(:project, :public, :repository, name: 'project', namespace: namespace) }
-  let(:namespace) { create(:namespace, name: 'namespace') }
-  let(:repository) { project.repository }
+  let_it_be(:namespace) { create(:namespace, name: 'namespace') }
+  let_it_be(:project) { create(:project, :public, :repository, name: 'project', namespace: namespace) }
+  let_it_be(:repository) { project.repository }
+
   let(:ref) { 'master' }
   let(:file_path) { 'README.md' }
   let(:return_url) { 'http://example.com' }
@@ -24,10 +25,17 @@ describe Gitlab::StaticSiteEditor::Config do
         project: 'project',
         project_id: project.id,
         return_url: 'http://example.com',
-        is_supported_content: 'true'
+        is_supported_content: 'true',
+        base_url: '/namespace/project/-/sse/master%2FREADME.md'
       )
     end
 
+    context 'when file path is nested' do
+      let(:file_path) { 'lib/README.md' }
+
+      it { is_expected.to include(base_url: '/namespace/project/-/sse/master%2Flib%2FREADME.md') }
+    end
+
     context 'when branch is not master' do
       let(:ref) { 'my-branch' }
 
@@ -53,7 +61,7 @@ describe Gitlab::StaticSiteEditor::Config do
     end
 
     context 'when repository is empty' do
-      let(:project) { create(:project_empty_repo) }
+      let(:repository) { create(:project_empty_repo).repository }
 
       it { is_expected.to include(is_supported_content: 'false') }
     end
diff --git a/spec/lib/gitlab/url_builder_spec.rb b/spec/lib/gitlab/url_builder_spec.rb
index 7989b863781..71ffa4a00a1 100644
--- a/spec/lib/gitlab/url_builder_spec.rb
+++ b/spec/lib/gitlab/url_builder_spec.rb
@@ -28,7 +28,6 @@ describe Gitlab::UrlBuilder do
 
       :group             | ->(group)         { "/groups/#{group.full_path}" }
       :group_milestone   | ->(milestone)     { "/groups/#{milestone.group.full_path}/-/milestones/#{milestone.iid}" }
-      :group_wiki        | ->(wiki)          { "/groups/#{wiki.container.full_path}/-/wikis/home" }
 
       :user              | ->(user)          { "/#{user.full_path}" }
       :personal_snippet  | ->(snippet)       { "/snippets/#{snippet.id}" }
diff --git a/spec/models/group_spec.rb b/spec/models/group_spec.rb
index 04801983d6c..6e2cc10ab0c 100644
--- a/spec/models/group_spec.rb
+++ b/spec/models/group_spec.rb
@@ -27,11 +27,6 @@ describe Group do
     it { is_expected.to have_many(:milestones) }
     it { is_expected.to have_many(:sprints) }
 
-    it_behaves_like 'model with wiki' do
-      let(:container) { create(:group, :nested, :wiki_repo) }
-      let(:container_without_wiki) { create(:group, :nested) }
-    end
-
     describe '#members & #requesters' do
       let(:requester) { create(:user) }
       let(:developer) { create(:user) }
diff --git a/spec/models/group_wiki_spec.rb b/spec/models/group_wiki_spec.rb
deleted file mode 100644
index ed6bac5311b..00000000000
--- a/spec/models/group_wiki_spec.rb
+++ /dev/null
@@ -1,38 +0,0 @@
-# frozen_string_literal: true
-
-require 'spec_helper'
-
-describe GroupWiki do
-  it_behaves_like 'wiki model' do
-    let(:wiki_container) { create(:group, :wiki_repo) }
-    let(:wiki_container_without_repo) { create(:group) }
-
-    before do
-      wiki_container.add_owner(user)
-    end
-
-    describe '#storage' do
-      it 'uses the group repository prefix' do
-        expect(subject.storage.base_dir).to start_with('@groups/')
-      end
-    end
-
-    describe '#repository_storage' do
-      it 'returns the default storage' do
-        expect(subject.repository_storage).to eq('default')
-      end
-    end
-
-    describe '#hashed_storage?' do
-      it 'returns true' do
-        expect(subject.hashed_storage?).to be(true)
-      end
-    end
-
-    describe '#disk_path' do
-      it 'returns the repository storage path' do
-        expect(subject.disk_path).to eq("#{subject.storage.disk_path}.wiki")
-      end
-    end
-  end
-end
diff --git a/spec/models/wiki_page_spec.rb b/spec/models/wiki_page_spec.rb
index 99a2ce28d19..eb241fa123f 100644
--- a/spec/models/wiki_page_spec.rb
+++ b/spec/models/wiki_page_spec.rb
@@ -150,15 +150,7 @@ describe WikiPage do
             enable_front_matter_for(container)
           end
 
-          context 'with a project container' do
-            it_behaves_like 'a page with front-matter'
-          end
-
-          context 'with a group container' do
-            let(:container) { create(:group) }
-
-            it_behaves_like 'a page with front-matter'
-          end
+          it_behaves_like 'a page with front-matter'
         end
       end
     end
@@ -512,15 +504,7 @@ describe WikiPage do
               enable_front_matter_for(container)
             end
 
-            context 'with a project container' do
-              it_behaves_like 'able to update front-matter'
-            end
-
-            context 'with a group container' do
-              let(:container) { create(:group) }
-
-              it_behaves_like 'able to update front-matter'
-            end
+            it_behaves_like 'able to update front-matter'
           end
         end
 
@@ -826,22 +810,13 @@ describe WikiPage do
       expect(subject).not_to eq(other_page)
     end
 
-    it 'returns false for page with the same slug on a different container of the same type' do
+    it 'returns false for page with the same slug on a different container' do
       other_page = create(:wiki_page, title: existing_page.slug)
 
       expect(subject.slug).to eq(other_page.slug)
       expect(subject.container).not_to eq(other_page.container)
       expect(subject).not_to eq(other_page)
     end
-
-    it 'returns false for page with the same slug on a different container type' do
-      group = create(:group, name: container.name)
-      other_page = create(:wiki_page, title: existing_page.slug, container: group)
-
-      expect(subject.slug).to eq(other_page.slug)
-      expect(subject.container).not_to eq(other_page.container)
-      expect(subject).not_to eq(other_page)
-    end
   end
 
   describe '#last_commit_sha' do
diff --git a/yarn.lock b/yarn.lock
index 33f232fe284..0a4ef63d580 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -782,10 +782,10 @@
     eslint-plugin-vue "^6.2.1"
     vue-eslint-parser "^7.0.0"
 
-"@gitlab/svgs@1.123.0":
-  version "1.123.0"
-  resolved "https://registry.yarnpkg.com/@gitlab/svgs/-/svgs-1.123.0.tgz#465946ae7afc486d6769dc38685f71747fa2fec7"
-  integrity sha512-lBTNnh7sEgUX3LVj6tEis9dcDDc5gKhCSUInGzswZVy9KeDAXbY850pKGPRKg/O1nVDPIe9yh7ieieWy25bkuQ==
+"@gitlab/svgs@1.125.0":
+  version "1.125.0"
+  resolved "https://registry.yarnpkg.com/@gitlab/svgs/-/svgs-1.125.0.tgz#59c667dae8f7e4c80b482f5f6cc35367c016387b"
+  integrity sha512-MKfFYa8f+9P2tJ/JN/E9oDBSSo/gRz2zuGui4XHQPoaw/DkIMn7EyAzeSpRgbgs1LgMcEqqKsIEx+spCga3jsQ==
 
 "@gitlab/ui@13.9.0":
   version "13.9.0"