diff --git a/.rubocop_todo.yml b/.rubocop_todo.yml
index 21671ba56ae..534861d90b2 100644
--- a/.rubocop_todo.yml
+++ b/.rubocop_todo.yml
@@ -143,25 +143,6 @@ Performance/ConstantRegexp:
 Performance/MethodObjectAsBlock:
   Enabled: false
 
-# Offense count: 18
-# Cop supports --auto-correct.
-# Configuration parameters: AutoCorrect.
-Performance/StringInclude:
-  Exclude:
-    - 'app/models/snippet_repository.rb'
-    - 'config/initializers/macos.rb'
-    - 'config/spring.rb'
-    - 'ee/app/models/ee/container_registry/event.rb'
-    - 'ee/lib/gitlab/auth/smartcard/certificate.rb'
-    - 'lib/gitlab/database/migration_helpers.rb'
-    - 'lib/kramdown/parser/atlassian_document_format.rb'
-    - 'lib/prometheus/pid_provider.rb'
-    - 'qa/qa/ee/page/merge_request/show.rb'
-    - 'qa/qa/specs/runner.rb'
-    - 'spec/features/projects/jobs_spec.rb'
-    - 'spec/spec_helper.rb'
-    - 'spec/support_specs/helpers/active_record/query_recorder_spec.rb'
-
 # Offense count: 15209
 # Configuration parameters: Prefixes.
 # Prefixes: when, with, without
@@ -282,11 +263,6 @@ Rails/HelperInstanceVariable:
 Rails/IndexWith:
   Enabled: false
 
-# Offense count: 1
-Rails/Inquiry:
-  Exclude:
-    - 'spec/helpers/labels_helper_spec.rb'
-
 # Offense count: 118
 # Configuration parameters: Include.
 # Include: app/models/**/*.rb
@@ -335,11 +311,6 @@ Rails/RakeEnvironment:
 Rails/RedundantForeignKey:
   Enabled: false
 
-# Offense count: 1
-Rails/RenderInline:
-  Exclude:
-    - 'ee/app/controllers/sitemap_controller.rb'
-
 # Offense count: 1144
 # Configuration parameters: ForbiddenMethods, AllowedMethods.
 # ForbiddenMethods: decrement!, decrement_counter, increment!, increment_counter, insert, insert!, insert_all, insert_all!, toggle!, touch, touch_all, update_all, update_attribute, update_column, update_columns, update_counters, upsert, upsert_all
diff --git a/.rubocop_todo/performance/string_include.yml b/.rubocop_todo/performance/string_include.yml
new file mode 100644
index 00000000000..cb6e566094e
--- /dev/null
+++ b/.rubocop_todo/performance/string_include.yml
@@ -0,0 +1,15 @@
+---
+# Cop supports --auto-correct.
+Performance/StringInclude:
+  Exclude:
+    - 'app/models/snippet_repository.rb'
+    - 'config/initializers/macos.rb'
+    - 'config/spring.rb'
+    - 'ee/app/models/ee/container_registry/event.rb'
+    - 'ee/lib/gitlab/auth/smartcard/certificate.rb'
+    - 'lib/gitlab/database/migration_helpers.rb'
+    - 'lib/kramdown/parser/atlassian_document_format.rb'
+    - 'lib/prometheus/pid_provider.rb'
+    - 'qa/qa/specs/runner.rb'
+    - 'spec/features/projects/jobs_spec.rb'
+    - 'spec/spec_helper.rb'
diff --git a/.rubocop_todo/rails/inquiry.yml b/.rubocop_todo/rails/inquiry.yml
new file mode 100644
index 00000000000..3c999dfbc47
--- /dev/null
+++ b/.rubocop_todo/rails/inquiry.yml
@@ -0,0 +1,4 @@
+---
+Rails/Inquiry:
+  Exclude:
+    - 'spec/helpers/labels_helper_spec.rb'
diff --git a/.rubocop_todo/rails/render_inline.yml b/.rubocop_todo/rails/render_inline.yml
new file mode 100644
index 00000000000..fbebec72cd7
--- /dev/null
+++ b/.rubocop_todo/rails/render_inline.yml
@@ -0,0 +1,4 @@
+---
+Rails/RenderInline:
+  Exclude:
+    - 'ee/app/controllers/sitemap_controller.rb'
diff --git a/app/assets/images/learn_gitlab/graduation_hat.svg b/app/assets/images/learn_gitlab/graduation_hat.svg
deleted file mode 100644
index 998d8d9b935..00000000000
--- a/app/assets/images/learn_gitlab/graduation_hat.svg
+++ /dev/null
@@ -1 +0,0 @@
-<svg width="16" height="17" xmlns="http://www.w3.org/2000/svg"><path fill="#fffff" d="M1.53 7.639l-.476.88.476-.88zm0-1.758L1.054 5l.476.88zm2.257 2.982h1v-.596l-.523-.283-.477.879zm8.424 0l-.476-.88-.524.284v.596h1zm2.257-1.224l.477.88-.477-.88zm0-1.758l-.476.879.476-.88zM8.476 2.632l-.477.88.477-.88zm-.953 0l.476.88-.476-.88zM2.007 6.76l-.953-1.758c-1.396.756-1.396 2.76 0 3.516l.953-1.758zm2.257 1.224L2.007 6.76l-.953 1.758L3.31 9.742l.953-1.758zm.523 1.995V8.863h-2v1.116h2zM8 12.5c-1.949 0-3.212-1.289-3.212-2.52h-2c0 2.656 2.51 4.52 5.212 4.52v-2zm3.212-2.52c0 1.231-1.262 2.52-3.212 2.52v2c2.704 0 5.212-1.864 5.212-4.52h-2zm0-1.117v1.116h2V8.863h-2zm2.78-2.103l-2.256 1.223.953 1.759 2.257-1.224-.953-1.758zm0 0l.954 1.758c1.396-.757 1.396-2.76 0-3.516l-.953 1.758zM8 3.51l5.993 3.249.953-1.758-5.993-3.249L8 3.511zm0 0l.953-1.758a2 2 0 00-1.906 0L8 3.511zM2.007 6.76l5.992-3.25-.953-1.758-5.992 3.249.953 1.758z"/><path fill="#fffff" d="M7.228 7.541c-.187-.112-.277-.427-.201-.704.076-.276.288-.41.475-.297L11 8.644v5.316c0 .298-.163.54-.365.54-.2 0-.364-.242-.364-.54V9.37L7.228 7.54z"/></svg>
\ No newline at end of file
diff --git a/app/assets/javascripts/clusters_list/components/available_agents_dropdown.vue b/app/assets/javascripts/clusters_list/components/available_agents_dropdown.vue
index 662cf2a7e36..bde76c46b4b 100644
--- a/app/assets/javascripts/clusters_list/components/available_agents_dropdown.vue
+++ b/app/assets/javascripts/clusters_list/components/available_agents_dropdown.vue
@@ -3,6 +3,7 @@ import {
   GlDropdown,
   GlDropdownItem,
   GlDropdownDivider,
+  GlDropdownText,
   GlSearchBoxByType,
   GlSprintf,
 } from '@gitlab/ui';
@@ -15,6 +16,7 @@ export default {
     GlDropdown,
     GlDropdownItem,
     GlDropdownDivider,
+    GlDropdownText,
     GlSearchBoxByType,
     GlSprintf,
   },
@@ -73,13 +75,24 @@ export default {
       this.clearSearch();
       this.focusSearch();
     },
+    onKeyEnter() {
+      if (!this.searchTerm?.length) {
+        return;
+      }
+      this.$refs.dropdown.hide();
+      this.selectAgent(this.searchTerm);
+    },
   },
 };
 </script>
 <template>
-  <gl-dropdown :text="dropdownText" :loading="isRegistering" @shown="handleShow">
+  <gl-dropdown ref="dropdown" :text="dropdownText" :loading="isRegistering" @shown="handleShow">
     <template #header>
-      <gl-search-box-by-type ref="searchInput" v-model.trim="searchTerm" />
+      <gl-search-box-by-type
+        ref="searchInput"
+        v-model.trim="searchTerm"
+        @keydown.enter.stop.prevent="onKeyEnter"
+      />
     </template>
     <gl-dropdown-item
       v-for="agent in filteredResults"
@@ -90,9 +103,9 @@ export default {
     >
       {{ agent }}
     </gl-dropdown-item>
-    <gl-dropdown-item v-if="!filteredResults.length" ref="noMatchingResults">{{
+    <gl-dropdown-text v-if="!filteredResults.length" ref="noMatchingResults">{{
       $options.i18n.noResults
-    }}</gl-dropdown-item>
+    }}</gl-dropdown-text>
     <template v-if="shouldRenderCreateButton">
       <gl-dropdown-divider />
       <gl-dropdown-item data-testid="create-config-button" @click="selectAgent(searchTerm)">
diff --git a/app/assets/javascripts/jobs/components/trigger_block.vue b/app/assets/javascripts/jobs/components/trigger_block.vue
index b1ddede8fe8..1afc1c9a595 100644
--- a/app/assets/javascripts/jobs/components/trigger_block.vue
+++ b/app/assets/javascripts/jobs/components/trigger_block.vue
@@ -1,5 +1,5 @@
 <script>
-import { GlButton, GlTable } from '@gitlab/ui';
+import { GlButton, GlTableLite } from '@gitlab/ui';
 import { __ } from '~/locale';
 
 const DEFAULT_TD_CLASSES = 'gl-w-half gl-font-sm! gl-border-gray-200!';
@@ -25,7 +25,7 @@ export default {
   ],
   components: {
     GlButton,
-    GlTable,
+    GlTableLite,
   },
   props: {
     trigger: {
@@ -84,7 +84,7 @@ export default {
         >
       </p>
 
-      <gl-table :items="trigger.variables" :fields="$options.fields" small bordered fixed>
+      <gl-table-lite :items="trigger.variables" :fields="$options.fields" small bordered fixed>
         <template #cell(key)="{ item }">
           <span class="gl-overflow-break-word">{{ item.key }}</span>
         </template>
@@ -92,7 +92,7 @@ export default {
         <template #cell(value)="data">
           <span class="gl-overflow-break-word">{{ getDisplayValue(data.value) }}</span>
         </template>
-      </gl-table>
+      </gl-table-lite>
     </template>
   </div>
 </template>
diff --git a/app/assets/stylesheets/framework/highlight.scss b/app/assets/stylesheets/framework/highlight.scss
index a80643e695b..d3de284a2d6 100644
--- a/app/assets/stylesheets/framework/highlight.scss
+++ b/app/assets/stylesheets/framework/highlight.scss
@@ -1,3 +1,5 @@
+@import '../highlight/hljs';
+
 .file-content.code {
   border: 0;
   box-shadow: none;
diff --git a/app/assets/stylesheets/highlight/hljs.scss b/app/assets/stylesheets/highlight/hljs.scss
new file mode 100644
index 00000000000..2e31e7c1f6d
--- /dev/null
+++ b/app/assets/stylesheets/highlight/hljs.scss
@@ -0,0 +1,125 @@
+.code.highlight {
+  .hljs-comment {
+    color: var(--color-hljs-comment);
+  }
+
+  .hljs-link {
+    color: var(--color-hljs-link);
+  }
+
+  .hljs-meta {
+    color: var(--color-hljs-meta);
+  }
+
+  .hljs-keyword {
+    color: var(--color-hljs-keyword);
+  }
+
+  .hljs-type {
+    color: var(--color-hljs-type);
+  }
+
+  .hljs-attr,
+  .hljs-property {
+    color: var(--color-hljs-attr);
+  }
+
+  .hljs-built_in {
+    color: var(--color-hljs-builtin);
+  }
+
+  .hljs-literal {
+    color: var(--color-hljs-literal);
+  }
+
+  .hljs-title {
+    color: var(--color-hljs-title);
+
+    &.class_ {
+      color: var(--color-hljs-class);
+    }
+
+    &.function_ {
+      color: var(--color-hljs-function);
+    }
+  }
+
+  .hljs-tag ,
+  .hljs-name {
+    color: var(--color-hljs-tag);
+  }
+
+  .hljs-number {
+    color: var(--color-hljs-number);
+  }
+
+  .hljs-subst {
+    color: var(--color-hljs-subst);
+  }
+
+  .hljs-string,
+  .hljs-section,
+  .hljs-bullet {
+    color: var(--color-hljs-string);
+  }
+
+  .hljs-symbol {
+    color: var(--color-hljs-symbol);
+  }
+
+  .hljs-variable {
+    color: var(--color-hljs-variable);
+
+    &.language_ {
+      color: var(--color-hljs-language);
+    }
+
+    &.constant_ {
+      color: var(--color-hljs-constant);
+    }
+  }
+
+  .hljs-attribute {
+    color: var(--color-hljs-attribute);
+  }
+
+  .hljs-operator {
+    color: var(--color-hljs-operator);
+  }
+
+  .hljs-punctuation {
+    color: var(--color-hljs-punctuation);
+  }
+
+  .hljs-regexp {
+    color: var(--color-hljs-regexp);
+  }
+
+  .hljs-params {
+    color: var(--color-hljs-params);
+  }
+
+  .hljs-doctag {
+    color: var(--color-hljs-doctag);
+  }
+
+  .hljs-selector-tag {
+    color: var(--color-hljs-selector-tag);
+  }
+
+  .hljs-selector-class {
+    color: var(--color-hljs-selector-class);
+  }
+
+  .hljs-selector-id {
+    color: var(--color-hljs-selector-id);
+  }
+
+  .hljs-selector-attr {
+    color: var(--color-hljs-selector-attr);
+  }
+
+  .hljs-selector-pseudo {
+    color: var(--color-hljs-selector-pseudo);
+  }
+}
diff --git a/app/assets/stylesheets/highlight/themes/dark.scss b/app/assets/stylesheets/highlight/themes/dark.scss
index 28878280d24..fa2415bcb5e 100644
--- a/app/assets/stylesheets/highlight/themes/dark.scss
+++ b/app/assets/stylesheets/highlight/themes/dark.scss
@@ -88,6 +88,39 @@ $dark-vg: #c66;
 $dark-vi: #c66;
 $dark-il: #de935f;
 
+:root {
+  --color-hljs-comment: #{$dark-c};
+  --color-hljs-variable: #{$dark-k};
+  --color-hljs-link: #{$dark-l};
+  --color-hljs-meta: #{$dark-cp};
+  --color-hljs-keyword: #{$dark-kd};
+  --color-hljs-type: #{$dark-kt};
+  --color-hljs-attr: #{$dark-na};
+  --color-hljs-builtin: #{$dark-nb};
+  --color-hljs-title: #{$dark-n};
+  --color-hljs-class: #{$dark-nc};
+  --color-hljs-function: #{$dark-nf};
+  --color-hljs-tag: #{$dark-nt};
+  --color-hljs-number: #{$dark-mi};
+  --color-hljs-subst: #{$dark-sc};
+  --color-hljs-string: #{$dark-s1};
+  --color-hljs-symbol: #{$dark-ss};
+  --color-hljs-variable: #{$dark-vi};
+  --color-hljs-operator: #{$dark-o};
+  --color-hljs-punctuation: #{$dark-p};
+  --color-hljs-regexp: #{$dark-sr};
+  --color-hljs-constant: #{$dark-nx};
+  --color-hljs-literal: #{$dark-kc};
+  --color-hljs-language: #{$dark-nx};
+  --color-hljs-params: #{$dark-nx};
+  --color-hljs-selector-doctag: #{$dark-cm};
+  --color-hljs-selector-tag: #{$dark-nt};
+  --color-hljs-selector-class: #{$dark-nc};
+  --color-hljs-selector-id: #{$dark-nn};
+  --color-hljs-selector-attr: #{$dark-nt};
+  --color-hljs-selector-pseudo: #{$dark-nd};
+}
+
 .code.dark {
   // Line numbers
   .file-line-num {
diff --git a/app/models/concerns/issuable.rb b/app/models/concerns/issuable.rb
index 729170da242..f8ac180d3d7 100644
--- a/app/models/concerns/issuable.rb
+++ b/app/models/concerns/issuable.rb
@@ -200,6 +200,18 @@ module Issuable
       incident?
     end
 
+    # When :incident_escalations feature flag is disabled, new
+    # incidents should not have a status record unless the incident
+    # is associated with the alert. However, escalation attributes
+    # are synced with Alert/IssuableEscalationStatus, so we want to
+    # ensure that parity is kept prior to rollout.
+    # Remove with https://gitlab.com/gitlab-org/gitlab/-/issues/345769.
+    def sync_escalation_attributes_from_alert?
+      incident? &&
+        ::Feature.disabled?(:incident_escalations, project) &&
+        alert_management_alert.present?
+    end
+
     def incident?
       is_a?(Issue) && super
     end
diff --git a/app/policies/project_member_policy.rb b/app/policies/project_member_policy.rb
index 91f1eb35506..40ba30fce5e 100644
--- a/app/policies/project_member_policy.rb
+++ b/app/policies/project_member_policy.rb
@@ -3,13 +3,16 @@
 class ProjectMemberPolicy < BasePolicy
   delegate { @subject.project }
 
-  condition(:target_is_owner, scope: :subject) { @subject.user == @subject.project.owner }
+  condition(:target_is_holder_of_the_personal_namespace, scope: :subject) do
+    @subject.project.personal_namespace_holder?(@subject.user)
+  end
+
   condition(:target_is_self) { @user && @subject.user == @user }
   condition(:project_bot) { @subject.user&.project_bot? }
 
   rule { anonymous }.prevent_all
 
-  rule { target_is_owner }.policy do
+  rule { target_is_holder_of_the_personal_namespace }.policy do
     prevent :update_project_member
     prevent :destroy_project_member
   end
diff --git a/app/services/alert_management/alerts/update_service.rb b/app/services/alert_management/alerts/update_service.rb
index 0769adc862e..7ca0fb4c6fb 100644
--- a/app/services/alert_management/alerts/update_service.rb
+++ b/app/services/alert_management/alerts/update_service.rb
@@ -151,14 +151,25 @@ module AlertManagement
               status_change_reason: " by changing the status of #{alert.to_reference(project)}"
             }
           }
-        ).execute(alert.issue)
+        ).execute(issue)
+      end
+
+      def issue
+        strong_memoize(:issue) { alert.issue }
       end
 
       def should_sync_to_incident?
-        alert.issue &&
-          alert.issue.supports_escalation? &&
-          alert.issue.escalation_status &&
-          alert.issue.escalation_status.status != alert.status
+        return false unless sync_available?
+
+        issue.escalation_status&.status != alert.status
+      end
+
+      def sync_available?
+        return false unless issue.present?
+
+        # Remove sync check with https://gitlab.com/gitlab-org/gitlab/-/issues/345769
+        issue.supports_escalation? ||
+          issue.sync_escalation_attributes_from_alert?
       end
 
       def filter_duplicate
diff --git a/app/services/incident_management/issuable_escalation_statuses/prepare_update_service.rb b/app/services/incident_management/issuable_escalation_statuses/prepare_update_service.rb
index 1d0504a6e80..d755cf61207 100644
--- a/app/services/incident_management/issuable_escalation_statuses/prepare_update_service.rb
+++ b/app/services/incident_management/issuable_escalation_statuses/prepare_update_service.rb
@@ -31,7 +31,10 @@ module IncidentManagement
       attr_reader :issuable, :param_errors
 
       def available?
-        issuable.supports_escalation? && user_has_permissions?
+        (
+          issuable.supports_escalation? ||
+          issuable.sync_escalation_attributes_from_alert? # Remove with https://gitlab.com/gitlab-org/gitlab/-/issues/345769
+        ) && user_has_permissions?
       end
 
       def user_has_permissions?
@@ -60,6 +63,14 @@ module IncidentManagement
         status = params.delete(:status)
         return unless status
 
+        # If we're updating the escalation status because the
+        # alert was updated & the feature flag is disabled, then
+        # we should not allow the status to be different from the alert's.
+        # Remove with https://gitlab.com/gitlab-org/gitlab/-/issues/345769
+        if issuable.sync_escalation_attributes_from_alert? && status != issuable.alert_management_alert.status_name
+          add_param_error(:status) && return
+        end
+
         status_event = escalation_status.status_event_for(status)
         add_param_error(:status) && return unless status_event
 
diff --git a/app/services/issues/create_service.rb b/app/services/issues/create_service.rb
index 7ab663718db..e7d7b3a70eb 100644
--- a/app/services/issues/create_service.rb
+++ b/app/services/issues/create_service.rb
@@ -87,7 +87,10 @@ module Issues
     attr_reader :spam_params
 
     def create_escalation_status(issue)
-      ::IncidentManagement::IssuableEscalationStatuses::CreateService.new(issue).execute if issue.supports_escalation?
+      # Remove sync check with https://gitlab.com/gitlab-org/gitlab/-/issues/345769
+      return unless issue.supports_escalation? || issue.sync_escalation_attributes_from_alert?
+
+      ::IncidentManagement::IssuableEscalationStatuses::CreateService.new(issue).execute
     end
 
     def user_agent_detail_service
diff --git a/config/metrics/counts_28d/20210216184559_ci_templates_total_unique_counts_monthly.yml b/config/metrics/counts_28d/20210216184559_ci_templates_total_unique_counts_monthly.yml
index 03a16b98a9b..217c20e574f 100644
--- a/config/metrics/counts_28d/20210216184559_ci_templates_total_unique_counts_monthly.yml
+++ b/config/metrics/counts_28d/20210216184559_ci_templates_total_unique_counts_monthly.yml
@@ -167,7 +167,7 @@ options:
   - p_ci_templates_implicit_security_cluster_image_scanning
   - p_ci_templates_kaniko
   - p_ci_templates_qualys_iac_security
-  - p_ci_templates_database_liquibase
+  - p_ci_templates_liquibase
 distribution:
 - ce
 - ee
diff --git a/config/metrics/counts_28d/20220307150912_p_ci_templates_database_liquibase_monthly.yml b/config/metrics/counts_28d/20220307150912_p_ci_templates_database_liquibase_monthly.yml
index 07a5548474a..214c6504051 100644
--- a/config/metrics/counts_28d/20220307150912_p_ci_templates_database_liquibase_monthly.yml
+++ b/config/metrics/counts_28d/20220307150912_p_ci_templates_database_liquibase_monthly.yml
@@ -1,5 +1,5 @@
 ---
-key_path: redis_hll_counters.ci_templates.p_ci_templates_database_liquibase_monthly
+key_path: redis_hll_counters.ci_templates.p_ci_templates_liquibase_monthly
 description: ""
 product_section: ""
 product_stage: ""
@@ -22,4 +22,4 @@ tier:
 - ultimate
 options:
   events:
-    - p_ci_templates_database_liquibase
+    - p_ci_templates_liquibase
diff --git a/config/metrics/counts_7d/20210216184557_ci_templates_total_unique_counts_weekly.yml b/config/metrics/counts_7d/20210216184557_ci_templates_total_unique_counts_weekly.yml
index 062ed14d649..9368500ab13 100644
--- a/config/metrics/counts_7d/20210216184557_ci_templates_total_unique_counts_weekly.yml
+++ b/config/metrics/counts_7d/20210216184557_ci_templates_total_unique_counts_weekly.yml
@@ -167,7 +167,7 @@ options:
   - p_ci_templates_implicit_security_cluster_image_scanning
   - p_ci_templates_kaniko
   - p_ci_templates_qualys_iac_security
-  - p_ci_templates_database_liquibase
+  - p_ci_templates_liquibase
 distribution:
 - ce
 - ee
diff --git a/config/metrics/counts_7d/20220307150854_p_ci_templates_database_liquibase_weekly.yml b/config/metrics/counts_7d/20220307150854_p_ci_templates_database_liquibase_weekly.yml
index de9757b9f17..c47c1fb51d5 100644
--- a/config/metrics/counts_7d/20220307150854_p_ci_templates_database_liquibase_weekly.yml
+++ b/config/metrics/counts_7d/20220307150854_p_ci_templates_database_liquibase_weekly.yml
@@ -1,5 +1,5 @@
 ---
-key_path: redis_hll_counters.ci_templates.p_ci_templates_database_liquibase_weekly
+key_path: redis_hll_counters.ci_templates.p_ci_templates_liquibase_weekly
 description: ""
 product_section: ""
 product_stage: ""
@@ -22,4 +22,4 @@ tier:
 - ultimate
 options:
   events:
-    - p_ci_templates_database_liquibase
+    - p_ci_templates_liquibase
diff --git a/db/post_migrate/20220204095121_backfill_namespace_statistics_with_dependency_proxy_size.rb b/db/post_migrate/20220204095121_backfill_namespace_statistics_with_dependency_proxy_size.rb
new file mode 100644
index 00000000000..49c9efc497c
--- /dev/null
+++ b/db/post_migrate/20220204095121_backfill_namespace_statistics_with_dependency_proxy_size.rb
@@ -0,0 +1,25 @@
+# frozen_string_literal: true
+
+class BackfillNamespaceStatisticsWithDependencyProxySize < Gitlab::Database::Migration[1.0]
+  DELAY_INTERVAL = 2.minutes.to_i
+  BATCH_SIZE = 500
+  MIGRATION = 'PopulateNamespaceStatistics'
+
+  disable_ddl_transaction!
+
+  def up
+    groups = exec_query <<~SQL
+      SELECT dependency_proxy_manifests.group_id FROM dependency_proxy_manifests
+      UNION
+      SELECT dependency_proxy_blobs.group_id from dependency_proxy_blobs
+    SQL
+
+    groups.rows.flatten.in_groups_of(BATCH_SIZE, false).each_with_index do |group_ids, index|
+      migrate_in(index * DELAY_INTERVAL, MIGRATION, [group_ids, [:dependency_proxy_size]])
+    end
+  end
+
+  def down
+    # no-op
+  end
+end
diff --git a/db/schema_migrations/20220204095121 b/db/schema_migrations/20220204095121
new file mode 100644
index 00000000000..bf12ca08f5a
--- /dev/null
+++ b/db/schema_migrations/20220204095121
@@ -0,0 +1 @@
+bce595c1c6587e785bc49d6e5a7181b5cc0164f2201375ad82d4bd19c217cd35
\ No newline at end of file
diff --git a/doc/ci/unit_test_reports.md b/doc/ci/unit_test_reports.md
index 14350ac884f..029bd20c553 100644
--- a/doc/ci/unit_test_reports.md
+++ b/doc/ci/unit_test_reports.md
@@ -77,7 +77,7 @@ If a test failed in the project's default branch in the last 14 days, a message
 
 To enable the Unit test reports in merge requests, you must add
 [`artifacts:reports:junit`](yaml/artifacts_reports.md#artifactsreportsjunit)
-in `.gitlab-ci.yml`, and specify the path(s) of the generated test reports.
+in `.gitlab-ci.yml`, and specify the paths of the generated test reports.
 The reports must be `.xml` files, otherwise [GitLab returns an Error 500](https://gitlab.com/gitlab-org/gitlab/-/issues/216575).
 
 In the following examples, the job in the `test` stage runs and GitLab
diff --git a/doc/development/documentation/testing.md b/doc/development/documentation/testing.md
index bb8f6a4b4a9..9facb22669b 100644
--- a/doc/development/documentation/testing.md
+++ b/doc/development/documentation/testing.md
@@ -365,6 +365,35 @@ file for the [`gitlab`](https://gitlab.com/gitlab-org/gitlab) project.
 To set up `lefthook` for documentation linting, see
 [Pre-push static analysis](../contributing/style_guides.md#pre-push-static-analysis-with-lefthook).
 
+#### Show Vale warnings on push
+
+By default, `lefthook` shows only Vale errors when pushing changes to a branch. The default branches
+have no Vale errors, so any errors listed here are introduced by commits to the branch.
+
+To also see the Vale warnings when pushing to a branch, set a local environment variable: `VALE_WARNINGS=true`.
+
+Enable Vale warnings on push to improve the documentation suite by:
+
+- Detecting warnings you might be introducing with your commits.
+- Identifying warnings that already exist in the page, which you can resolve to reduce technical debt.
+
+These warnings:
+
+- Don't stop the push from working.
+- Don't result in a broken pipeline.
+- Include all warnings for a file, not just warnings that are introduced by the commits.
+
+To enable Vale warnings on push:
+
+- Automatically, add `VALE_WARNINGS=true` to your shell configuration.
+- Manually, prepend `VALE_WARNINGS=true` to invocations of `lefthook`. For example:
+
+  ```shell
+  VALE_WARNINGS=true bundle exec lefthook run pre-push
+  ```
+
+You can also [configure your editor](#configure-editors) to show Vale warnings.
+
 ### Show subset of Vale alerts
 
 You can set Visual Studio Code to display only a subset of Vale alerts when viewing files:
diff --git a/doc/index.md b/doc/index.md
index 57eb9e195ff..2f3bfefe819 100644
--- a/doc/index.md
+++ b/doc/index.md
@@ -32,7 +32,7 @@ No matter how you use GitLab, we have documentation for you.
 | Essential documentation | Essential documentation |
 |:------------------------|:------------------------|
 | [**User documentation**](user/index.md)<br>Discover features and concepts for GitLab users.                          | [**Administrator documentation**](administration/index.md)<br/>Everything GitLab self-managed administrators need to know. |
-| [**Contributing to GitLab**](#contributing-to-gitlab)<br/>At GitLab, everyone can contribute!                        | [**New to Git and GitLab?**](#new-to-git-and-gitlab)<br/>We have the resources to get you started. |
+| [**Contributing to GitLab**](#contributing-to-gitlab)<br/>At GitLab, everyone can contribute!                        | [**New to Git and GitLab?**](tutorials/index.md)<br/>We have the resources to get you started. |
 | [**Build an integration with GitLab**](#build-an-integration-with-gitlab)<br/>Consult our integration documentation. | [**Coming to GitLab from another platform?**](#coming-to-gitlab-from-another-platform)<br/>Consult our guides. |
 | [**Install GitLab**](https://about.gitlab.com/install/)<br/>Installation options for different platforms.            | [**Customers**](subscriptions/index.md)<br/>Information for new and existing customers. |
 | [**Update GitLab**](update/index.md)<br/>Update your GitLab self-managed instance to the latest version.            | [**Reference Architectures**](administration/reference_architectures/index.md)<br/>GitLab reference architectures. |
@@ -64,20 +64,6 @@ GitLab makes the software lifecycle faster and radically improves the speed of b
 
 GitLab provides solutions for [each of the stages of the DevOps lifecycle](https://about.gitlab.com/stages-devops-lifecycle/).
 
-## New to Git and GitLab?
-
-Working with new systems can be daunting.
-
-We have the following documentation to rapidly uplift your GitLab knowledge:
-
-| Topic                                                                                             | Description |
-|:--------------------------------------------------------------------------------------------------|:------------|
-| [GitLab basics guides](gitlab-basics/index.md)                                                   | Start working on the command line and with GitLab. |
-| [What is GitLab Flow?](https://about.gitlab.com/topics/version-control/what-is-gitlab-flow/) | Enhance your workflow with the best of GitLab Flow. |
-| [Get started with GitLab CI/CD](ci/quick_start/index.md)                                         | Quickly implement GitLab CI/CD. |
-| [Auto DevOps](topics/autodevops/index.md)                                                         | Learn more about Auto DevOps in GitLab. |
-| [GitLab Markdown](user/markdown.md)                                                               | Advanced formatting system (GitLab Flavored Markdown). |
-
 ### User account
 
 Learn more about GitLab account management:
@@ -89,16 +75,6 @@ Learn more about GitLab account management:
 | [User settings](user/profile/index.md#access-your-user-settings) | Manage your user settings, two factor authentication, and more. |
 | [User permissions](user/permissions.md)                    | Learn what each role in a project can do. |
 
-### Git and GitLab
-
-Learn more about using Git, and using Git with GitLab:
-
-| Topic                                                                        | Description |
-|:-----------------------------------------------------------------------------|:------------|
-| [Git](topics/git/index.md)                                                   | Getting started with Git, branching strategies, Git LFS, and advanced use. |
-| [Git cheat sheet](https://about.gitlab.com/images/press/git-cheat-sheet.pdf) | Download a PDF describing the most used Git operations. |
-| [GitLab Flow](topics/gitlab_flow.md)                                         | Explore the best of Git with the GitLab Flow strategy. |
-
 ## Coming to GitLab from another platform
 
 If you are coming to GitLab from another platform, the following information is useful:
diff --git a/lefthook.yml b/lefthook.yml
index 086e70fcbb9..e79df94c708 100644
--- a/lefthook.yml
+++ b/lefthook.yml
@@ -42,7 +42,7 @@ pre-push:
       tags: documentation style
       files: git diff --name-only --diff-filter=d $(git merge-base origin/master HEAD)..HEAD
       glob: 'doc/*.md'
-      run: 'if command -v vale > /dev/null 2>&1; then if ! vale --config .vale.ini --minAlertLevel error {files}; then echo "ERROR: Fix any linting errors and make sure you are using the latest version of Vale."; exit 1; fi; else echo "ERROR: Vale not found. For more information, see https://docs.errata.ai/vale/install."; exit 1; fi'
+      run: 'if [ $VALE_WARNINGS ]; then minWarnings=warning; else minWarnings=error; fi; if command -v vale > /dev/null 2>&1; then if ! vale --config .vale.ini --minAlertLevel $minWarnings {files}; then echo "ERROR: Fix any linting errors and make sure you are using the latest version of Vale."; exit 1; fi; else echo "ERROR: Vale not found. For more information, see https://docs.errata.ai/vale/install."; exit 1; fi'
     gettext:
       skip: true  # This is disabled by default. You can enable this check by adding skip: false in lefhook-local.yml https://github.com/evilmartians/lefthook/blob/master/docs/full_guide.md#skipping-commands
       tags: backend frontend view haml
diff --git a/lib/gitlab/background_migration/populate_namespace_statistics.rb b/lib/gitlab/background_migration/populate_namespace_statistics.rb
index e873ad412f2..97927ef48c2 100644
--- a/lib/gitlab/background_migration/populate_namespace_statistics.rb
+++ b/lib/gitlab/background_migration/populate_namespace_statistics.rb
@@ -5,9 +5,40 @@ module Gitlab
     # This class creates/updates those namespace statistics
     # that haven't been created nor initialized.
     # It also updates the related namespace statistics
-    # This is only required in EE
     class PopulateNamespaceStatistics
       def perform(group_ids, statistics)
+        # Updating group statistics might involve calling Gitaly.
+        # For example, when calculating `wiki_size`, we will need
+        # to perform the request to check if the repo exists and
+        # also the repository size.
+        #
+        # The `allow_n_plus_1_calls` method is only intended for
+        # dev and test. It won't be raised in prod.
+        ::Gitlab::GitalyClient.allow_n_plus_1_calls do
+          relation(group_ids).each do |group|
+            upsert_namespace_statistics(group, statistics)
+          end
+        end
+      end
+
+      private
+
+      def upsert_namespace_statistics(group, statistics)
+        response = ::Groups::UpdateStatisticsService.new(group, statistics: statistics).execute
+
+        error_message("#{response.message} group: #{group.id}") if response.error?
+      end
+
+      def logger
+        @logger ||= ::Gitlab::BackgroundMigration::Logger.build
+      end
+
+      def error_message(message)
+        logger.error(message: "Namespace Statistics Migration: #{message}")
+      end
+
+      def relation(group_ids)
+        Group.includes(:namespace_statistics).where(id: group_ids)
       end
     end
   end
diff --git a/lib/gitlab/ci/templates/Go.gitlab-ci.yml b/lib/gitlab/ci/templates/Go.gitlab-ci.yml
index 8514e50b256..bd8e1020c4e 100644
--- a/lib/gitlab/ci/templates/Go.gitlab-ci.yml
+++ b/lib/gitlab/ci/templates/Go.gitlab-ci.yml
@@ -5,21 +5,6 @@
 
 image: golang:latest
 
-variables:
-  # Please edit to your GitLab project
-  REPO_NAME: gitlab.com/namespace/project
-
-# The problem is that to be able to use go get, one needs to put
-# the repository in the $GOPATH. So for example if your gitlab domain
-# is gitlab.com, and that your repository is namespace/project, and
-# the default GOPATH being /go, then you'd need to have your
-# repository in /go/src/gitlab.com/namespace/project
-# Thus, making a symbolic link corrects this.
-before_script:
-  - mkdir -p "$GOPATH/src/$(dirname $REPO_NAME)"
-  - ln -svf "$CI_PROJECT_DIR" "$GOPATH/src/$REPO_NAME"
-  - cd "$GOPATH/src/$REPO_NAME"
-
 stages:
   - test
   - build
diff --git a/lib/gitlab/ci/templates/Database/liquibase.gitlab-ci.yml b/lib/gitlab/ci/templates/liquibase.gitlab-ci.yml
similarity index 93%
rename from lib/gitlab/ci/templates/Database/liquibase.gitlab-ci.yml
rename to lib/gitlab/ci/templates/liquibase.gitlab-ci.yml
index 49bafca9952..18d59035b78 100644
--- a/lib/gitlab/ci/templates/Database/liquibase.gitlab-ci.yml
+++ b/lib/gitlab/ci/templates/liquibase.gitlab-ci.yml
@@ -5,13 +5,13 @@
 # To contribute improvements to CI/CD templates, please follow the Development guide at:
 # https://docs.gitlab.com/ee/development/cicd/templates.html
 # This specific template is located at:
-# https://gitlab.com/gitlab-org/gitlab/-/blob/master/lib/gitlab/ci/templates/Database/liquibase.gitlab-ci.yml
+# https://gitlab.com/gitlab-org/gitlab/-/blob/master/lib/gitlab/ci/templates/liquibase.gitlab-ci.yml
 
 # This template must be configured with CI/CD variables before it will work.
 # See https://www.liquibase.com/blog/secure-database-developer-flow-using-gitlab-pipelines
 # to learn how to configure the Liquibase template by using variables.
 # Be sure to add the variables before running pipelines with this template.
-# You may not want to run all the jobs in this template.  You can comment out or delete the jobs you don't wish to use.
+# You may not want to run all the jobs in this template. You can comment out or delete the jobs you don't wish to use.
 
 # List of stages for jobs and their order of execution.
 stages:
@@ -132,7 +132,7 @@ TEST->PROD:
     expire_in: 1 week
 
 
-# This job creates a snapshot of prod database.  You can use the snapshot file to run comparisons with the production database to investigate for any potential issues. https://www.liquibase.com/devsecops
+# This job creates a snapshot of prod database. You can use the snapshot file to run comparisons with the production database to investigate for any potential issues. https://www.liquibase.com/devsecops
 snapshot PROD:
   image: liquibase/liquibase:latest      # Using the Liquibase Docker Image
   stage: .post
diff --git a/lib/gitlab/data_builder/deployment.rb b/lib/gitlab/data_builder/deployment.rb
index a4508bc93c5..92c99d99210 100644
--- a/lib/gitlab/data_builder/deployment.rb
+++ b/lib/gitlab/data_builder/deployment.rb
@@ -12,6 +12,11 @@ module Gitlab
             Gitlab::UrlBuilder.build(deployment.deployable)
           end
 
+        commit_url =
+          if (commit = deployment.commit)
+            Gitlab::UrlBuilder.build(commit)
+          end
+
         {
           object_kind: 'deployment',
           status: deployment.status,
@@ -24,8 +29,8 @@ module Gitlab
           short_sha: deployment.short_sha,
           user: deployment.deployed_by.hook_attrs,
           user_url: Gitlab::UrlBuilder.build(deployment.deployed_by),
-          commit_url: Gitlab::UrlBuilder.build(deployment.commit),
-          commit_title: deployment.commit.title,
+          commit_url: commit_url,
+          commit_title: deployment.commit&.title,
           ref: deployment.ref
         }
       end
diff --git a/lib/gitlab/usage_data_counters/known_events/ci_templates.yml b/lib/gitlab/usage_data_counters/known_events/ci_templates.yml
index a5ec72fe8c9..917a7b5caec 100644
--- a/lib/gitlab/usage_data_counters/known_events/ci_templates.yml
+++ b/lib/gitlab/usage_data_counters/known_events/ci_templates.yml
@@ -615,7 +615,7 @@
   category: ci_templates
   redis_slot: ci_templates
   aggregation: weekly
-- name: p_ci_templates_database_liquibase
+- name: p_ci_templates_liquibase
   category: ci_templates
   redis_slot: ci_templates
   aggregation: weekly
diff --git a/lib/sidebars/projects/menus/learn_gitlab_menu.rb b/lib/sidebars/projects/menus/learn_gitlab_menu.rb
index 16335f5b076..5de70ea7d7f 100644
--- a/lib/sidebars/projects/menus/learn_gitlab_menu.rb
+++ b/lib/sidebars/projects/menus/learn_gitlab_menu.rb
@@ -45,9 +45,9 @@ module Sidebars
           }
         end
 
-        override :image_path
-        def image_path
-          'learn_gitlab/graduation_hat.svg'
+        override :sprite_icon
+        def sprite_icon
+          'bulb'
         end
 
         override :render?
diff --git a/spec/frontend/clusters_list/components/available_agents_dropwdown_spec.js b/spec/frontend/clusters_list/components/available_agents_dropwdown_spec.js
index eca2b1f5cb1..197735d3c77 100644
--- a/spec/frontend/clusters_list/components/available_agents_dropwdown_spec.js
+++ b/spec/frontend/clusters_list/components/available_agents_dropwdown_spec.js
@@ -1,5 +1,6 @@
 import { GlDropdown, GlDropdownItem, GlSearchBoxByType } from '@gitlab/ui';
 import { shallowMountExtended } from 'helpers/vue_test_utils_helper';
+import { ENTER_KEY } from '~/lib/utils/keys';
 import AvailableAgentsDropdown from '~/clusters_list/components/available_agents_dropdown.vue';
 import { I18N_AVAILABLE_AGENTS_DROPDOWN } from '~/clusters_list/constants';
 
@@ -18,6 +19,7 @@ describe('AvailableAgentsDropdown', () => {
       propsData,
       stubs: { GlDropdown },
     });
+    wrapper.vm.$refs.dropdown.hide = jest.fn();
   };
 
   afterEach(() => {
@@ -96,6 +98,25 @@ describe('AvailableAgentsDropdown', () => {
         expect(findDropdown().props('text')).toBe('new-agent');
       });
     });
+
+    describe('click enter to register new agent without configuration', () => {
+      beforeEach(async () => {
+        await findSearchInput().vm.$emit('input', 'new-agent');
+        await findSearchInput().vm.$emit('keydown', new KeyboardEvent({ key: ENTER_KEY }));
+      });
+
+      it('emits agentSelected with the name of the clicked agent', () => {
+        expect(wrapper.emitted('agentSelected')).toEqual([['new-agent']]);
+      });
+
+      it('marks the clicked item as selected', () => {
+        expect(findDropdown().props('text')).toBe('new-agent');
+      });
+
+      it('closes the dropdown', () => {
+        expect(wrapper.vm.$refs.dropdown.hide).toHaveBeenCalledTimes(1);
+      });
+    });
   });
 
   describe('registration in progress', () => {
diff --git a/spec/frontend/jobs/components/trigger_block_spec.js b/spec/frontend/jobs/components/trigger_block_spec.js
index e0eb873dc2f..78596612d23 100644
--- a/spec/frontend/jobs/components/trigger_block_spec.js
+++ b/spec/frontend/jobs/components/trigger_block_spec.js
@@ -1,12 +1,12 @@
-import { GlButton, GlTable } from '@gitlab/ui';
+import { GlButton, GlTableLite } from '@gitlab/ui';
 import { mount } from '@vue/test-utils';
 import TriggerBlock from '~/jobs/components/trigger_block.vue';
 
 describe('Trigger block', () => {
   let wrapper;
 
-  const findRevealButton = () => wrapper.find(GlButton);
-  const findVariableTable = () => wrapper.find(GlTable);
+  const findRevealButton = () => wrapper.findComponent(GlButton);
+  const findVariableTable = () => wrapper.findComponent(GlTableLite);
   const findShortToken = () => wrapper.find('[data-testid="trigger-short-token"]');
   const findVariableValue = (index) =>
     wrapper.findAll('[data-testid="trigger-build-value"]').at(index);
@@ -22,7 +22,6 @@ describe('Trigger block', () => {
 
   afterEach(() => {
     wrapper.destroy();
-    wrapper = null;
   });
 
   describe('with short token and no variables', () => {
diff --git a/spec/lib/gitlab/background_migration/populate_namespace_statistics_spec.rb b/spec/lib/gitlab/background_migration/populate_namespace_statistics_spec.rb
new file mode 100644
index 00000000000..98b2bc437f3
--- /dev/null
+++ b/spec/lib/gitlab/background_migration/populate_namespace_statistics_spec.rb
@@ -0,0 +1,71 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe Gitlab::BackgroundMigration::PopulateNamespaceStatistics do
+  let_it_be(:namespaces) { table(:namespaces) }
+  let_it_be(:namespace_statistics) { table(:namespace_statistics) }
+  let_it_be(:dependency_proxy_manifests) { table(:dependency_proxy_manifests) }
+  let_it_be(:dependency_proxy_blobs) { table(:dependency_proxy_blobs) }
+
+  let!(:group1) { namespaces.create!(id: 10, type: 'Group', name: 'group1', path: 'group1') }
+  let!(:group2) { namespaces.create!(id: 20, type: 'Group', name: 'group2', path: 'group2') }
+
+  let!(:group1_manifest) do
+    dependency_proxy_manifests.create!(group_id: 10, size: 20, file_name: 'test-file', file: 'test', digest: 'abc123')
+  end
+
+  let!(:group2_manifest) do
+    dependency_proxy_manifests.create!(group_id: 20, size: 20, file_name: 'test-file', file: 'test', digest: 'abc123')
+  end
+
+  let!(:group1_stats) { namespace_statistics.create!(id: 10, namespace_id: 10) }
+
+  let(:ids) { namespaces.pluck(:id) }
+  let(:statistics) { [] }
+
+  subject(:perform) { described_class.new.perform(ids, statistics) }
+
+  it 'creates/updates all namespace_statistics and updates root storage statistics', :aggregate_failures do
+    expect(Namespaces::ScheduleAggregationWorker).to receive(:perform_async).with(group1.id)
+    expect(Namespaces::ScheduleAggregationWorker).to receive(:perform_async).with(group2.id)
+
+    expect { perform }.to change(namespace_statistics, :count).from(1).to(2)
+
+    namespace_statistics.all.each do |stat|
+      expect(stat.dependency_proxy_size).to eq 20
+      expect(stat.storage_size).to eq 20
+    end
+  end
+
+  context 'when just a stat is passed' do
+    let(:statistics) { [:dependency_proxy_size] }
+
+    it 'calls the statistics update service with just that stat' do
+      expect(Groups::UpdateStatisticsService)
+        .to receive(:new)
+        .with(anything, statistics: [:dependency_proxy_size])
+        .twice.and_call_original
+
+      perform
+    end
+  end
+
+  context 'when a statistics update fails' do
+    before do
+      error_response = instance_double(ServiceResponse, message: 'an error', error?: true)
+
+      allow_next_instance_of(Groups::UpdateStatisticsService) do |instance|
+        allow(instance).to receive(:execute).and_return(error_response)
+      end
+    end
+
+    it 'logs an error' do
+      expect_next_instance_of(Gitlab::BackgroundMigration::Logger) do |instance|
+        expect(instance).to receive(:error).twice
+      end
+
+      perform
+    end
+  end
+end
diff --git a/spec/lib/gitlab/data_builder/deployment_spec.rb b/spec/lib/gitlab/data_builder/deployment_spec.rb
index ab8c8a51694..e64e6ace6b4 100644
--- a/spec/lib/gitlab/data_builder/deployment_spec.rb
+++ b/spec/lib/gitlab/data_builder/deployment_spec.rb
@@ -46,5 +46,24 @@ RSpec.describe Gitlab::DataBuilder::Deployment do
 
       expect(data[:deployable_url]).to be_nil
     end
+
+    context 'when commit does not exist in the repository' do
+      let_it_be(:project) { create(:project, :repository) }
+      let_it_be(:deployment) { create(:deployment, project: project) }
+
+      subject(:data) { described_class.build(deployment, Time.current) }
+
+      before(:all) do
+        project.repository.remove
+      end
+
+      it 'does not include commit_url' do
+        expect(data[:commit_url]).to be_nil
+      end
+
+      it 'does not include commit_title' do
+        expect(data[:commit_title]).to be_nil
+      end
+    end
   end
 end
diff --git a/spec/migrations/20220204095121_backfill_namespace_statistics_with_dependency_proxy_size_spec.rb b/spec/migrations/20220204095121_backfill_namespace_statistics_with_dependency_proxy_size_spec.rb
new file mode 100644
index 00000000000..39398fa058d
--- /dev/null
+++ b/spec/migrations/20220204095121_backfill_namespace_statistics_with_dependency_proxy_size_spec.rb
@@ -0,0 +1,64 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+require_migration!
+
+RSpec.describe BackfillNamespaceStatisticsWithDependencyProxySize do
+  let_it_be(:groups) { table(:namespaces) }
+  let_it_be(:group1) { groups.create!(id: 10, name: 'test1', path: 'test1', type: 'Group') }
+  let_it_be(:group2) { groups.create!(id: 20, name: 'test2', path: 'test2', type: 'Group') }
+  let_it_be(:group3) { groups.create!(id: 30, name: 'test3', path: 'test3', type: 'Group') }
+  let_it_be(:group4) { groups.create!(id: 40, name: 'test4', path: 'test4', type: 'Group') }
+
+  let_it_be(:dependency_proxy_blobs) { table(:dependency_proxy_blobs) }
+  let_it_be(:dependency_proxy_manifests) { table(:dependency_proxy_manifests) }
+
+  let_it_be(:group1_manifest) { create_manifest(10, 10) }
+  let_it_be(:group2_manifest) { create_manifest(20, 20) }
+  let_it_be(:group3_manifest) { create_manifest(30, 30) }
+
+  let_it_be(:group1_blob) { create_blob(10, 10) }
+  let_it_be(:group2_blob) { create_blob(20, 20) }
+  let_it_be(:group3_blob) { create_blob(30, 30) }
+
+  describe '#up' do
+    it 'correctly schedules background migrations' do
+      stub_const("#{described_class}::BATCH_SIZE", 2)
+
+      Sidekiq::Testing.fake! do
+        freeze_time do
+          migrate!
+
+          aggregate_failures do
+            expect(described_class::MIGRATION)
+              .to be_scheduled_migration([10, 30], ['dependency_proxy_size'])
+
+            expect(described_class::MIGRATION)
+              .to be_scheduled_delayed_migration(2.minutes, [20], ['dependency_proxy_size'])
+
+            expect(BackgroundMigrationWorker.jobs.size).to eq(2)
+          end
+        end
+      end
+    end
+  end
+
+  def create_manifest(group_id, size)
+    dependency_proxy_manifests.create!(
+      group_id: group_id,
+      size: size,
+      file_name: 'test-file',
+      file: 'test',
+      digest: 'abc123'
+    )
+  end
+
+  def create_blob(group_id, size)
+    dependency_proxy_blobs.create!(
+      group_id: group_id,
+      size: size,
+      file_name: 'test-file',
+      file: 'test'
+    )
+  end
+end
diff --git a/spec/models/concerns/issuable_spec.rb b/spec/models/concerns/issuable_spec.rb
index b38135fc0b2..12da5de5ef1 100644
--- a/spec/models/concerns/issuable_spec.rb
+++ b/spec/models/concerns/issuable_spec.rb
@@ -993,6 +993,33 @@ RSpec.describe Issuable do
     end
   end
 
+  describe '#sync_escalation_attributes_from_alert?' do
+    where(:issuable_type, :args, :sync_escalation_attributes_from_alert) do
+      :issue         | {}               | false
+      :issue         | ref(:alert_args) | false
+      :incident      | {}               | false
+      :incident      | ref(:alert_args) | true
+      :merge_request | {}               | false
+    end
+
+    with_them do
+      let(:alert_args) { { alert_management_alert: build_stubbed(:alert_management_alert) } }
+      let(:issuable) { build_stubbed(issuable_type, **args) }
+
+      subject { issuable.sync_escalation_attributes_from_alert? }
+
+      it { is_expected.to eq(false) }
+
+      context 'with feature disabled' do
+        before do
+          stub_feature_flags(incident_escalations: false)
+        end
+
+        it { is_expected.to eq(sync_escalation_attributes_from_alert) }
+      end
+    end
+  end
+
   describe '#incident?' do
     where(:issuable_type, :incident) do
       :issue         | false
diff --git a/spec/policies/project_member_policy_spec.rb b/spec/policies/project_member_policy_spec.rb
index 12b3e60fdb2..b19ab71fcb5 100644
--- a/spec/policies/project_member_policy_spec.rb
+++ b/spec/policies/project_member_policy_spec.rb
@@ -23,9 +23,9 @@ RSpec.describe ProjectMemberPolicy do
     it { is_expected.not_to be_allowed(:destroy_project_bot_member) }
   end
 
-  context 'when user is project owner' do
-    let(:member_user) { project.first_owner }
-    let(:member) { project.members.find_by!(user: member_user) }
+  context 'when user is the holder of personal namespace in which the project resides' do
+    let(:namespace_holder) { project.namespace.owner }
+    let(:member) { project.members.find_by!(user: namespace_holder) }
 
     it { is_expected.to be_allowed(:read_project) }
     it { is_expected.to be_disallowed(:update_project_member) }
diff --git a/spec/services/alert_management/alerts/update_service_spec.rb b/spec/services/alert_management/alerts/update_service_spec.rb
index 882543fd701..0388fe9e25c 100644
--- a/spec/services/alert_management/alerts/update_service_spec.rb
+++ b/spec/services/alert_management/alerts/update_service_spec.rb
@@ -253,25 +253,51 @@ RSpec.describe AlertManagement::Alerts::UpdateService do
           end
         end
 
+        shared_examples 'updates the incident escalation status with the new alert status' do
+          specify do
+            expect(::Issues::UpdateService).to receive(:new).once.and_call_original
+            expect(described_class).to receive(:new).once.and_call_original
+
+            expect { response }.to change { escalation_status&.reload&.acknowledged? }.to(true)
+                               .and change { alert.reload.acknowledged? }.to(true)
+          end
+        end
+
         it_behaves_like 'does not sync with the incident status'
 
+        context 'when feature flag is disabled' do
+          before do
+            stub_feature_flags(incident_escalations: false)
+          end
+
+          it_behaves_like 'does not sync with the incident status'
+        end
+
         context 'when the issue is an incident' do
           before do
             issue.update!(issue_type: Issue.issue_types[:incident])
           end
 
-          it_behaves_like 'does not sync with the incident status'
+          context 'when the incident does not have an escalation status' do
+            it_behaves_like 'updates the incident escalation status with the new alert status'
+
+            context 'when feature flag is disabled' do
+              before do
+                stub_feature_flags(incident_escalations: false)
+              end
+
+              it_behaves_like 'updates the incident escalation status with the new alert status'
+            end
+
+            def escalation_status
+              issue.reload.escalation_status
+            end
+          end
 
           context 'when the incident has an escalation status' do
             let_it_be(:escalation_status, reload: true) { create(:incident_management_issuable_escalation_status, issue: issue) }
 
-            it 'updates the incident escalation status with the new alert status' do
-              expect(::Issues::UpdateService).to receive(:new).once.and_call_original
-              expect(described_class).to receive(:new).once.and_call_original
-
-              expect { response }.to change { escalation_status.reload.acknowledged? }.to(true)
-                                 .and change { alert.reload.acknowledged? }.to(true)
-            end
+            it_behaves_like 'updates the incident escalation status with the new alert status'
 
             context 'when the statuses match' do
               before do
@@ -286,7 +312,7 @@ RSpec.describe AlertManagement::Alerts::UpdateService do
                 stub_feature_flags(incident_escalations: false)
               end
 
-              it_behaves_like 'does not sync with the incident status'
+              it_behaves_like 'updates the incident escalation status with the new alert status'
             end
           end
         end
diff --git a/spec/services/incident_management/issuable_escalation_statuses/prepare_update_service_spec.rb b/spec/services/incident_management/issuable_escalation_statuses/prepare_update_service_spec.rb
index 25164df40ca..0ba26bf2c13 100644
--- a/spec/services/incident_management/issuable_escalation_statuses/prepare_update_service_spec.rb
+++ b/spec/services/incident_management/issuable_escalation_statuses/prepare_update_service_spec.rb
@@ -48,6 +48,29 @@ RSpec.describe IncidentManagement::IssuableEscalationStatuses::PrepareUpdateServ
     end
 
     it_behaves_like 'availability error response'
+
+    context 'with incident associated with alert' do
+      let(:alert_status) { :acknowledged }
+
+      before do
+        create(:alert_management_alert, alert_status, project: issue.project, issue: issue)
+        issue.reload
+      end
+
+      it_behaves_like 'successful response', { status_event: :acknowledge }
+
+      context 'when alert status does not match incident status' do
+        let(:alert_status) { :triggered }
+
+        include_examples 'error response', 'Invalid value was provided for parameters: status'
+      end
+
+      context 'with a standard issue' do
+        let(:issue) { create(:issue) }
+
+        it_behaves_like 'availability error response'
+      end
+    end
   end
 
   context 'when user is anonymous' do
diff --git a/spec/services/issues/create_service_spec.rb b/spec/services/issues/create_service_spec.rb
index 6b7b72d83fc..4b11b3cf40b 100644
--- a/spec/services/issues/create_service_spec.rb
+++ b/spec/services/issues/create_service_spec.rb
@@ -98,6 +98,7 @@ RSpec.describe Issues::CreateService do
       end
 
       it_behaves_like 'not an incident issue'
+      include_examples 'does not call the escalation status CreateService'
 
       context 'when issue is incident type' do
         before do
@@ -118,12 +119,22 @@ RSpec.describe Issues::CreateService do
           end
 
           it_behaves_like 'incident issue'
+          include_examples 'calls the escalation status CreateService'
 
-          it 'calls IncidentManagement::Incidents::CreateEscalationStatusService' do
-            expect_next(::IncidentManagement::IssuableEscalationStatuses::CreateService, a_kind_of(Issue))
-              .to receive(:execute)
+          context 'when :incident_escalations feature flag is disabled' do
+            before do
+              stub_feature_flags(incident_escalations: false)
+            end
 
-            issue
+            include_examples 'does not call the escalation status CreateService'
+
+            context 'with associated alert' do
+              before do
+                opts.merge!(alert_management_alert: build(:alert_management_alert, project: project))
+              end
+
+              include_examples 'calls the escalation status CreateService'
+            end
           end
 
           context 'when invalid' do
diff --git a/spec/support/shared_examples/services/incident_management/escalation_status_shared_examples.rb b/spec/support/shared_examples/services/incident_management/escalation_status_shared_examples.rb
new file mode 100644
index 00000000000..d9fe217921c
--- /dev/null
+++ b/spec/support/shared_examples/services/incident_management/escalation_status_shared_examples.rb
@@ -0,0 +1,22 @@
+# frozen_string_literal: true
+
+# This shared_example requires the following variables:
+# - issue (required)
+RSpec.shared_examples 'calls the escalation status CreateService' do
+  it 'calls IncidentManagement::Incidents::CreateEscalationStatusService' do
+    expect_next(::IncidentManagement::IssuableEscalationStatuses::CreateService, a_kind_of(Issue))
+      .to receive(:execute)
+
+    issue
+  end
+end
+
+# This shared_example requires the following variables:
+# - issue (required)
+RSpec.shared_examples 'does not call the escalation status CreateService' do
+  it 'does not call the ::IncidentManagement::IssuableEscalationStatuses::CreateService' do
+    expect(::IncidentManagement::IssuableEscalationStatuses::CreateService).not_to receive(:new)
+
+    issue
+  end
+end