diff --git a/.gitlab/ci/release-environments/main.gitlab-ci.yml b/.gitlab/ci/release-environments/main.gitlab-ci.yml
index 49e7070d664..b343fac9f60 100644
--- a/.gitlab/ci/release-environments/main.gitlab-ci.yml
+++ b/.gitlab/ci/release-environments/main.gitlab-ci.yml
@@ -18,10 +18,6 @@ stages:
       - GIT_DEPTH
       - GIT_STRATEGY
 
-workflow:
-  auto_cancel:
-    on_new_commit: none
-
 variables:
   GIT_DEPTH: 20
   GIT_STRATEGY: fetch
@@ -66,16 +62,11 @@ release-environments-deploy:
   variables:
     VERSIONS: "${VERSIONS}"
     ENVIRONMENT: "${ENVIRONMENT}"
-  before_script:
-    # Make sure pipelines run in order
-    # See https://docs.gitlab.com/ee/ci/resource_groups/index.html#change-the-process-mode
-    - curl --request PUT --data "process_mode=oldest_first" --header "PRIVATE-TOKEN:${ENVIRONMENT_API_TOKEN}" "https://gitlab.com/api/v4/projects/${CI_PROJECT_ID}/resource_groups/release-environment-${CI_COMMIT_REF_SLUG}"
   trigger:
     project: gitlab-com/gl-infra/release-environments
     branch: main
     strategy: depend
   needs: ["release-environments-deploy-env"]
-  resource_group: release-environment-${CI_COMMIT_REF_SLUG}
 
 release-environments-qa:
   stage: qa
@@ -89,7 +80,6 @@ release-environments-qa:
     GITLAB_INITIAL_ROOT_PASSWORD: "${RELEASE_ENVIRONMENTS_ROOT_PASSWORD}"
     QA_PRAEFECT_REPOSITORY_STORAGE: "default"
     SIGNUP_DISABLED: "true"
-  resource_group: release-environment-${CI_COMMIT_REF_SLUG}
 
 release-environments-notification-failure:
   stage: finish
diff --git a/.rubocop.yml b/.rubocop.yml
index d120670a9b5..18a30c88ae4 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -934,6 +934,7 @@ Gitlab/NamespacedClass:
     - 'ee/db/**/*.rb'
     - 'ee/elastic/**/*.rb'
     - 'scripts/**/*'
+    - 'spec/fixtures/migrations/**/*.rb'
     - 'spec/migrations/**/*.rb'
     - 'app/experiments/**/*_experiment.rb'
     - 'ee/app/experiments/**/*_experiment.rb'
diff --git a/.rubocop_todo/layout/first_hash_element_indentation.yml b/.rubocop_todo/layout/first_hash_element_indentation.yml
index d98c41b9314..390be2bef4a 100644
--- a/.rubocop_todo/layout/first_hash_element_indentation.yml
+++ b/.rubocop_todo/layout/first_hash_element_indentation.yml
@@ -2,19 +2,6 @@
 # Cop supports --autocorrect.
 Layout/FirstHashElementIndentation:
   Exclude:
-    - 'app/controllers/admin/system_info_controller.rb'
-    - 'app/controllers/concerns/milestone_actions.rb'
-    - 'app/controllers/concerns/render_service_results.rb'
-    - 'app/controllers/concerns/sourcegraph_decorator.rb'
-    - 'app/controllers/projects/badges_controller.rb'
-    - 'app/controllers/projects/merge_requests_controller.rb'
-    - 'app/controllers/repositories/lfs_locks_api_controller.rb'
-    - 'app/graphql/mutations/notes/create/diff_note.rb'
-    - 'app/graphql/mutations/notes/create/image_diff_note.rb'
-    - 'app/graphql/mutations/notes/create/note.rb'
-    - 'app/graphql/resolvers/ci/runner_projects_resolver.rb'
-    - 'app/graphql/resolvers/group_packages_resolver.rb'
-    - 'app/helpers/commits_helper.rb'
     - 'app/helpers/projects/project_members_helper.rb'
     - 'app/helpers/search_helper.rb'
     - 'app/helpers/ssh_keys_helper.rb'
diff --git a/app/assets/javascripts/feature_flags/components/strategy.vue b/app/assets/javascripts/feature_flags/components/strategy.vue
index 4594719a247..15723c466a4 100644
--- a/app/assets/javascripts/feature_flags/components/strategy.vue
+++ b/app/assets/javascripts/feature_flags/components/strategy.vue
@@ -2,7 +2,6 @@
 <script>
 import { GlAlert, GlButton, GlFormSelect, GlFormGroup, GlIcon, GlLink, GlToken } from '@gitlab/ui';
 import { isNumber } from 'lodash';
-import Vue from 'vue';
 import { s__, __ } from '~/locale';
 import {
   EMPTY_PARAMETERS,
@@ -114,7 +113,8 @@ export default {
     },
     removeScope(environment) {
       if (isNumber(environment.id)) {
-        Vue.set(environment, 'shouldBeDestroyed', true);
+        // eslint-disable-next-line no-param-reassign
+        environment.shouldBeDestroyed = true;
       } else {
         this.environments = this.environments.filter((e) => e !== environment);
       }
diff --git a/app/assets/javascripts/feature_flags/store/index/mutations.js b/app/assets/javascripts/feature_flags/store/index/mutations.js
index 7e08440c299..627ca77d30b 100644
--- a/app/assets/javascripts/feature_flags/store/index/mutations.js
+++ b/app/assets/javascripts/feature_flags/store/index/mutations.js
@@ -1,10 +1,11 @@
-import Vue from 'vue';
 import { parseIntPagination, normalizeHeaders } from '~/lib/utils/common_utils';
 import * as types from './mutation_types';
 
 const updateFlag = (state, flag) => {
   const index = state.featureFlags.findIndex(({ id }) => id === flag.id);
-  Vue.set(state.featureFlags, index, flag);
+  const copy = [...state.featureFlags];
+  copy[index] = flag;
+  state.featureFlags = copy;
 };
 
 const createPaginationInfo = (headers) => {
diff --git a/app/assets/javascripts/issues/list/components/issues_list_app.vue b/app/assets/javascripts/issues/list/components/issues_list_app.vue
index fada5a3e5fd..828701ce34e 100644
--- a/app/assets/javascripts/issues/list/components/issues_list_app.vue
+++ b/app/assets/javascripts/issues/list/components/issues_list_app.vue
@@ -39,7 +39,6 @@ import { getParameterByName, joinPaths } from '~/lib/utils/url_utility';
 import { __ } from '~/locale';
 import {
   OPERATORS_IS,
-  OPERATORS_IS_NOT,
   OPERATORS_IS_NOT_OR,
   OPERATORS_AFTER_BEFORE,
   TOKEN_TITLE_ASSIGNEE,
@@ -309,9 +308,6 @@ export default {
     typeTokenOptions() {
       return [...defaultTypeTokenOptions, ...this.eeTypeTokenOptions];
     },
-    hasOrFeature() {
-      return this.glFeatures.orIssuableQueries;
-    },
     hasSearch() {
       return Boolean(
         this.searchQuery ||
@@ -383,7 +379,7 @@ export default {
           token: UserToken,
           dataType: 'user',
           defaultUsers: [],
-          operators: this.hasOrFeature ? OPERATORS_IS_NOT_OR : OPERATORS_IS_NOT,
+          operators: OPERATORS_IS_NOT_OR,
           fullPath: this.fullPath,
           isProject: this.isProject,
           recentSuggestionsStorageKey: `${this.fullPath}-issues-recent-tokens-author`,
@@ -396,7 +392,7 @@ export default {
           icon: 'user',
           token: UserToken,
           dataType: 'user',
-          operators: this.hasOrFeature ? OPERATORS_IS_NOT_OR : OPERATORS_IS_NOT,
+          operators: OPERATORS_IS_NOT_OR,
           fullPath: this.fullPath,
           isProject: this.isProject,
           recentSuggestionsStorageKey: `${this.fullPath}-issues-recent-tokens-assignee`,
@@ -418,7 +414,7 @@ export default {
           title: TOKEN_TITLE_LABEL,
           icon: 'labels',
           token: LabelToken,
-          operators: this.hasOrFeature ? OPERATORS_IS_NOT_OR : OPERATORS_IS_NOT,
+          operators: OPERATORS_IS_NOT_OR,
           fetchLabels: this.fetchLabels,
           fetchLatestLabels: this.glFeatures.frontendCaching ? this.fetchLatestLabels : null,
           recentSuggestionsStorageKey: `${this.fullPath}-issues-recent-tokens-label`,
@@ -956,12 +952,12 @@ export default {
       :show-bulk-edit-sidebar="showBulkEditSidebar"
       :show-pagination-controls="showPaginationControls"
       :default-page-size="pageSize"
+      show-filtered-search-friendly-text
       sync-filter-and-sort
       use-keyset-pagination
       :show-page-size-change-controls="showPageSizeControls"
       :has-next-page="pageInfo.hasNextPage"
       :has-previous-page="pageInfo.hasPreviousPage"
-      :show-filtered-search-friendly-text="hasOrFeature"
       :is-grid-view="isGridView"
       :active-issuable="activeIssuable"
       show-work-item-type-icon
diff --git a/app/assets/javascripts/issues/service_desk/components/service_desk_list_app.vue b/app/assets/javascripts/issues/service_desk/components/service_desk_list_app.vue
index eb836646880..bc16c981b21 100644
--- a/app/assets/javascripts/issues/service_desk/components/service_desk_list_app.vue
+++ b/app/assets/javascripts/issues/service_desk/components/service_desk_list_app.vue
@@ -21,10 +21,7 @@ import {
   getFilterTokens,
   getSortOptions,
 } from '~/issues/list/utils';
-import {
-  OPERATORS_IS_NOT,
-  OPERATORS_IS_NOT_OR,
-} from '~/vue_shared/components/filtered_search_bar/constants';
+import { OPERATORS_IS_NOT_OR } from '~/vue_shared/components/filtered_search_bar/constants';
 import {
   CLOSED_MOVED,
   CLOSED,
@@ -247,9 +244,6 @@ export default {
     canShowIssuesList() {
       return this.isLoading || this.issuesError.length || this.hasAnyServiceDeskIssue;
     },
-    hasOrFeature() {
-      return this.glFeatures.orIssuableQueries;
-    },
     hasSearch() {
       return Boolean(
         this.searchQuery ||
@@ -285,7 +279,7 @@ export default {
         },
         {
           ...assigneeTokenBase,
-          operators: this.hasOrFeature ? OPERATORS_IS_NOT_OR : OPERATORS_IS_NOT,
+          operators: OPERATORS_IS_NOT_OR,
           fetchUsers: this.fetchUsers,
           recentSuggestionsStorageKey: `${this.fullPath}-issues-recent-tokens-assignee`,
           preloadedUsers,
@@ -297,7 +291,7 @@ export default {
         },
         {
           ...labelTokenBase,
-          operators: this.hasOrFeature ? OPERATORS_IS_NOT_OR : OPERATORS_IS_NOT,
+          operators: OPERATORS_IS_NOT_OR,
           fetchLabels: this.fetchLabels,
           fetchLatestLabels: this.glFeatures.frontendCaching ? this.fetchLatestLabels : null,
           recentSuggestionsStorageKey: `${this.fullPath}-issues-recent-tokens-label`,
@@ -575,7 +569,6 @@ export default {
       :search-tokens="searchTokens"
       :issuables-loading="isLoading"
       :initial-filter-value="filterTokens"
-      :show-filtered-search-friendly-text="hasOrFeature"
       :show-pagination-controls="showPaginationControls"
       :show-page-size-change-controls="showPageSizeControls"
       :sort-options="sortOptions"
@@ -588,6 +581,7 @@ export default {
       :default-page-size="pageSize"
       :has-next-page="pageInfo.hasNextPage"
       :has-previous-page="pageInfo.hasPreviousPage"
+      show-filtered-search-friendly-text
       sync-filter-and-sort
       use-keyset-pagination
       @click-tab="handleClickTab"
diff --git a/app/assets/stylesheets/framework/tables.scss b/app/assets/stylesheets/framework/tables.scss
index 8a3d0b9f7da..3cc602c9720 100644
--- a/app/assets/stylesheets/framework/tables.scss
+++ b/app/assets/stylesheets/framework/tables.scss
@@ -99,12 +99,12 @@ table {
       tr.responsive-table-border-start,
       tr.responsive-table-border-end {
         display: block;
-        border: solid $gl-text-color-quaternary;
+        border: solid $gray-100;
         padding-left: 0;
         padding-right: 0;
 
         > td {
-          border-color: $gl-text-color-quaternary;
+          border-color: $gray-100;
 
           &,
           &:last-child {
@@ -125,7 +125,7 @@ table {
         }
 
         > td:last-child {
-          border-bottom: 1px solid $gl-text-color-quaternary;
+          border-bottom: 1px solid $gray-100;
         }
       }
 
diff --git a/app/assets/stylesheets/framework/variables.scss b/app/assets/stylesheets/framework/variables.scss
index 3c8bebc0fb2..3937f9f59e8 100644
--- a/app/assets/stylesheets/framework/variables.scss
+++ b/app/assets/stylesheets/framework/variables.scss
@@ -135,7 +135,6 @@ $gl-font-weight-bold: 600;
 $gl-text-color: $gray-900;
 $gl-text-color-secondary: $gray-500 !default;
 $gl-text-color-tertiary: $gray-400;
-$gl-text-color-quaternary: #d6d6d6;
 $gl-text-color-inverted: $white;
 $gl-text-color-secondary-inverted: rgba($white, 0.85);
 $gl-text-color-disabled: $gray-400;
diff --git a/app/assets/stylesheets/page_bundles/merge_requests.scss b/app/assets/stylesheets/page_bundles/merge_requests.scss
index cefc2c650c3..3cfa33cfbc1 100644
--- a/app/assets/stylesheets/page_bundles/merge_requests.scss
+++ b/app/assets/stylesheets/page_bundles/merge_requests.scss
@@ -759,7 +759,7 @@ $tabs-holder-z-index: 250;
       border: 1px solid var(--border-color, $border-color);
 
       .circle-icon-container {
-        color: var(--gray-100, $gl-text-color-quaternary);
+        color: var(--gray-100, $gray-100);
       }
     }
   }
diff --git a/app/controllers/admin/system_info_controller.rb b/app/controllers/admin/system_info_controller.rb
index 96fb73cedfe..41f95addc66 100644
--- a/app/controllers/admin/system_info_controller.rb
+++ b/app/controllers/admin/system_info_controller.rb
@@ -59,11 +59,11 @@ class Admin::SystemInfoController < Admin::ApplicationController
       begin
         disk = Sys::Filesystem.stat(mount.mount_point)
         @disks.push({
-                      bytes_total: disk.bytes_total,
-                      bytes_used: disk.bytes_used,
-                      disk_name: mount.name,
-                      mount_path: disk.path
-                    })
+          bytes_total: disk.bytes_total,
+          bytes_used: disk.bytes_used,
+          disk_name: mount.name,
+          mount_path: disk.path
+        })
       rescue Sys::Filesystem::Error
       end
     end
diff --git a/app/controllers/concerns/milestone_actions.rb b/app/controllers/concerns/milestone_actions.rb
index e1967c50d70..0a859bd3af9 100644
--- a/app/controllers/concerns/milestone_actions.rb
+++ b/app/controllers/concerns/milestone_actions.rb
@@ -8,9 +8,9 @@ module MilestoneActions
       format.html { redirect_to milestone_redirect_path }
       format.json do
         render json: tabs_json("shared/milestones/_issues_tab", {
-                                 issues: @milestone.sorted_issues(current_user), # rubocop:disable Gitlab/ModuleWithInstanceVariables
-                                 show_project_name: Gitlab::Utils.to_boolean(params[:show_project_name])
-                               })
+          issues: @milestone.sorted_issues(current_user), # rubocop:disable Gitlab/ModuleWithInstanceVariables
+          show_project_name: Gitlab::Utils.to_boolean(params[:show_project_name])
+        })
       end
     end
   end
@@ -20,9 +20,9 @@ module MilestoneActions
       format.html { redirect_to milestone_redirect_path }
       format.json do
         render json: tabs_json("shared/milestones/_merge_requests_tab", {
-                                 merge_requests: @milestone.sorted_merge_requests(current_user).preload_milestoneish_associations, # rubocop:disable Gitlab/ModuleWithInstanceVariables
-                                 show_project_name: Gitlab::Utils.to_boolean(params[:show_project_name])
-                               })
+          merge_requests: @milestone.sorted_merge_requests(current_user).preload_milestoneish_associations, # rubocop:disable Gitlab/ModuleWithInstanceVariables
+          show_project_name: Gitlab::Utils.to_boolean(params[:show_project_name])
+        })
       end
     end
   end
@@ -32,8 +32,8 @@ module MilestoneActions
       format.html { redirect_to milestone_redirect_path }
       format.json do
         render json: tabs_json("shared/milestones/_participants_tab", {
-                                 users: @milestone.issue_participants_visible_by_user(current_user) # rubocop:disable Gitlab/ModuleWithInstanceVariables
-                               })
+          users: @milestone.issue_participants_visible_by_user(current_user) # rubocop:disable Gitlab/ModuleWithInstanceVariables
+        })
       end
     end
   end
@@ -46,10 +46,10 @@ module MilestoneActions
         milestone_labels = @milestone.issue_labels_visible_by_user(current_user)
 
         render json: tabs_json("shared/milestones/_labels_tab", {
-                                 labels: milestone_labels.map do |label|
-                                   label.present(issuable_subject: @milestone.resource_parent)
-                                 end
-                               })
+          labels: milestone_labels.map do |label|
+            label.present(issuable_subject: @milestone.resource_parent)
+          end
+        })
       end
     end
   end
diff --git a/app/controllers/concerns/render_service_results.rb b/app/controllers/concerns/render_service_results.rb
index 83b880096be..0149a71d9f5 100644
--- a/app/controllers/concerns/render_service_results.rb
+++ b/app/controllers/concerns/render_service_results.rb
@@ -5,25 +5,25 @@ module RenderServiceResults
 
   def success_response(result)
     render({
-             status: result[:http_status],
-             json: result[:body]
-           })
+      status: result[:http_status],
+      json: result[:body]
+    })
   end
 
   def continue_polling_response
     render({
-             status: :no_content,
-             json: {
-               status: _('processing'),
-               message: _('Not ready yet. Try again later.')
-             }
-           })
+      status: :no_content,
+      json: {
+        status: _('processing'),
+        message: _('Not ready yet. Try again later.')
+      }
+    })
   end
 
   def error_response(result)
     render({
-             status: result[:http_status] || :bad_request,
-             json: { status: result[:status], message: result[:message] }
-           })
+      status: result[:http_status] || :bad_request,
+      json: { status: result[:status], message: result[:message] }
+    })
   end
 end
diff --git a/app/controllers/concerns/sourcegraph_decorator.rb b/app/controllers/concerns/sourcegraph_decorator.rb
index 4aeace1ca67..061990a4361 100644
--- a/app/controllers/concerns/sourcegraph_decorator.rb
+++ b/app/controllers/concerns/sourcegraph_decorator.rb
@@ -22,8 +22,8 @@ module SourcegraphDecorator
     return unless sourcegraph_enabled?
 
     gon.push({
-               sourcegraph: { url: Gitlab::CurrentSettings.sourcegraph_url }
-             })
+      sourcegraph: { url: Gitlab::CurrentSettings.sourcegraph_url }
+    })
   end
 
   def sourcegraph_enabled?
diff --git a/app/controllers/groups_controller.rb b/app/controllers/groups_controller.rb
index eae5e506248..972ac17b6ac 100644
--- a/app/controllers/groups_controller.rb
+++ b/app/controllers/groups_controller.rb
@@ -36,7 +36,6 @@ class GroupsController < Groups::ApplicationController
   before_action :check_export_rate_limit!, only: [:export, :download_export]
 
   before_action only: :issues do
-    push_frontend_feature_flag(:or_issuable_queries, group)
     push_frontend_feature_flag(:frontend_caching, group)
     push_force_frontend_feature_flag(:work_items, group.work_items_feature_flag_enabled?)
     push_force_frontend_feature_flag(:work_items_beta, group.work_items_beta_feature_flag_enabled?)
diff --git a/app/controllers/projects/badges_controller.rb b/app/controllers/projects/badges_controller.rb
index 372da64cdfa..ad0b6355172 100644
--- a/app/controllers/projects/badges_controller.rb
+++ b/app/controllers/projects/badges_controller.rb
@@ -13,10 +13,10 @@ class Projects::BadgesController < Projects::ApplicationController
   def pipeline
     pipeline_status = Gitlab::Ci::Badge::Pipeline::Status
       .new(project, params[:ref], opts: {
-             ignore_skipped: params[:ignore_skipped],
-             key_text: params[:key_text],
-             key_width: params[:key_width]
-           })
+        ignore_skipped: params[:ignore_skipped],
+        key_text: params[:key_text],
+        key_width: params[:key_width]
+      })
 
     render_badge pipeline_status
   end
@@ -24,13 +24,13 @@ class Projects::BadgesController < Projects::ApplicationController
   def coverage
     coverage_report = Gitlab::Ci::Badge::Coverage::Report
       .new(project, params[:ref], opts: {
-             job: params[:job],
-             key_text: params[:key_text],
-             key_width: params[:key_width],
-             min_good: params[:min_good],
-             min_acceptable: params[:min_acceptable],
-             min_medium: params[:min_medium]
-           })
+        job: params[:job],
+        key_text: params[:key_text],
+        key_width: params[:key_width],
+        min_good: params[:min_good],
+        min_acceptable: params[:min_acceptable],
+        min_medium: params[:min_medium]
+      })
 
     render_badge coverage_report
   end
@@ -38,11 +38,11 @@ class Projects::BadgesController < Projects::ApplicationController
   def release
     latest_release = Gitlab::Ci::Badge::Release::LatestRelease
       .new(project, current_user, opts: {
-             key_text: params[:key_text],
-             key_width: params[:key_width],
-             value_width: params[:value_width],
-             order_by: params[:order_by]
-           })
+        key_text: params[:key_text],
+        key_width: params[:key_width],
+        value_width: params[:value_width],
+        order_by: params[:order_by]
+      })
 
     render_badge latest_release
   end
diff --git a/app/controllers/projects/issues_controller.rb b/app/controllers/projects/issues_controller.rb
index 43d4c8a26b2..f2b7e4d7532 100644
--- a/app/controllers/projects/issues_controller.rb
+++ b/app/controllers/projects/issues_controller.rb
@@ -57,7 +57,6 @@ class Projects::IssuesController < Projects::ApplicationController
   end
 
   before_action only: [:index, :service_desk] do
-    push_frontend_feature_flag(:or_issuable_queries, project)
     push_frontend_feature_flag(:frontend_caching, project&.group)
     push_frontend_feature_flag(:group_multi_select_tokens, project)
   end
diff --git a/app/controllers/repositories/lfs_locks_api_controller.rb b/app/controllers/repositories/lfs_locks_api_controller.rb
index 52ae9068c75..fe66fe983b7 100644
--- a/app/controllers/repositories/lfs_locks_api_controller.rb
+++ b/app/controllers/repositories/lfs_locks_api_controller.rb
@@ -52,9 +52,9 @@ module Repositories
 
     def error_payload(message, custom_attrs = {})
       custom_attrs.merge({
-                           message: message,
-                           documentation_url: help_url
-                         })
+        message: message,
+        documentation_url: help_url
+      })
     end
 
     def split_by_owner(locks)
diff --git a/app/finders/issuable_finder.rb b/app/finders/issuable_finder.rb
index 2b4e4592020..83ccf026b1c 100644
--- a/app/finders/issuable_finder.rb
+++ b/app/finders/issuable_finder.rb
@@ -373,8 +373,7 @@ class IssuableFinder
 
   def by_author(items)
     Issuables::AuthorFilter.new(
-      params: original_params,
-      or_filters_enabled: or_filters_enabled?
+      params: original_params
     ).filter(items)
   end
 
@@ -385,8 +384,7 @@ class IssuableFinder
   def assignee_filter
     strong_memoize(:assignee_filter) do
       Issuables::AssigneeFilter.new(
-        params: original_params,
-        or_filters_enabled: or_filters_enabled?
+        params: original_params
       )
     end
   end
@@ -400,8 +398,7 @@ class IssuableFinder
       Issuables::LabelFilter.new(
         params: original_params,
         project: params.project,
-        group: params.group,
-        or_filters_enabled: or_filters_enabled?
+        group: params.group
       )
     end
   end
@@ -492,16 +489,6 @@ class IssuableFinder
     Issuables::CrmOrganizationFilter.new(params: original_params).filter(items)
   end
 
-  def or_filters_enabled?
-    strong_memoize(:or_filters_enabled) do
-      Feature.enabled?(:or_issuable_queries, feature_flag_scope)
-    end
-  end
-
-  def feature_flag_scope
-    params.group || params.project
-  end
-
   def can_filter_by_crm_contact?
     current_user&.can?(:read_crm_contact, root_group)
   end
diff --git a/app/finders/issuables/assignee_filter.rb b/app/finders/issuables/assignee_filter.rb
index e410ec43bf5..aa321cd4b59 100644
--- a/app/finders/issuables/assignee_filter.rb
+++ b/app/finders/issuables/assignee_filter.rb
@@ -27,7 +27,7 @@ module Issuables
     end
 
     def by_assignee_union(issuables)
-      return issuables unless or_filters_enabled? && has_assignee_param?(or_params)
+      return issuables unless has_assignee_param?(or_params)
 
       issuables.assigned_to(assignee_ids(or_params))
     end
diff --git a/app/finders/issuables/author_filter.rb b/app/finders/issuables/author_filter.rb
index 7707bf51f18..2f4c821733b 100644
--- a/app/finders/issuables/author_filter.rb
+++ b/app/finders/issuables/author_filter.rb
@@ -22,7 +22,7 @@ module Issuables
     end
 
     def by_author_union(issuables)
-      return issuables unless or_filters_enabled? && or_params&.fetch(:author_username, false).present?
+      return issuables unless or_params&.fetch(:author_username, false).present?
 
       issuables.authored(User.by_username(or_params[:author_username]))
         .allow_cross_joins_across_databases(url: "https://gitlab.com/gitlab-org/gitlab/-/issues/419221")
diff --git a/app/finders/issuables/base_filter.rb b/app/finders/issuables/base_filter.rb
index 7c607e2d048..8078fa7102c 100644
--- a/app/finders/issuables/base_filter.rb
+++ b/app/finders/issuables/base_filter.rb
@@ -7,9 +7,8 @@ module Issuables
     FILTER_NONE = 'none'
     FILTER_ANY = 'any'
 
-    def initialize(params:, or_filters_enabled: false)
+    def initialize(params:)
       @params = params
-      @or_filters_enabled = or_filters_enabled
     end
 
     def filter
@@ -25,9 +24,5 @@ module Issuables
     def not_params
       params[:not]
     end
-
-    def or_filters_enabled?
-      @or_filters_enabled
-    end
   end
 end
diff --git a/app/finders/issuables/label_filter.rb b/app/finders/issuables/label_filter.rb
index 81b86a1de32..7733b065f48 100644
--- a/app/finders/issuables/label_filter.rb
+++ b/app/finders/issuables/label_filter.rb
@@ -40,7 +40,7 @@ module Issuables
 
     # rubocop: disable CodeReuse/ActiveRecord
     def by_label_union(issuables)
-      return issuables unless or_filters_enabled? && label_names_from_or_params.present?
+      return issuables unless label_names_from_or_params.present?
 
       if root_namespace
         all_label_ids = find_label_ids(label_names_from_or_params).flatten
diff --git a/app/graphql/mutations/notes/create/diff_note.rb b/app/graphql/mutations/notes/create/diff_note.rb
index 44fab296db7..a71502554e6 100644
--- a/app/graphql/mutations/notes/create/diff_note.rb
+++ b/app/graphql/mutations/notes/create/diff_note.rb
@@ -31,10 +31,10 @@ module Mutations
 
         def create_note_params(noteable, args)
           super(noteable, args).merge({
-                                        type: 'DiffNote',
-                                        position: position(noteable, args),
-                                        merge_request_diff_head_sha: args[:position][:head_sha]
-                                      })
+            type: 'DiffNote',
+            position: position(noteable, args),
+            merge_request_diff_head_sha: args[:position][:head_sha]
+          })
         end
 
         def position(noteable, args)
diff --git a/app/graphql/mutations/notes/create/image_diff_note.rb b/app/graphql/mutations/notes/create/image_diff_note.rb
index add9fe0ddc6..3b0fe70424a 100644
--- a/app/graphql/mutations/notes/create/image_diff_note.rb
+++ b/app/graphql/mutations/notes/create/image_diff_note.rb
@@ -15,9 +15,9 @@ module Mutations
 
         def create_note_params(noteable, args)
           super(noteable, args).merge({
-                                        type: 'DiffNote',
-                                        position: position(noteable, args)
-                                      })
+            type: 'DiffNote',
+            position: position(noteable, args)
+          })
         end
 
         def position(noteable, args)
diff --git a/app/graphql/mutations/notes/create/note.rb b/app/graphql/mutations/notes/create/note.rb
index 1e93521bc32..9b83971d212 100644
--- a/app/graphql/mutations/notes/create/note.rb
+++ b/app/graphql/mutations/notes/create/note.rb
@@ -31,9 +31,9 @@ module Mutations
           end
 
           super(noteable, args).merge({
-                                        in_reply_to_discussion_id: discussion_id,
-                                        merge_request_diff_head_sha: args[:merge_request_diff_head_sha]
-                                      })
+            in_reply_to_discussion_id: discussion_id,
+            merge_request_diff_head_sha: args[:merge_request_diff_head_sha]
+          })
         end
 
         def authorize_discussion!(discussion)
diff --git a/app/graphql/resolvers/board_list_issues_resolver.rb b/app/graphql/resolvers/board_list_issues_resolver.rb
index 88b9bc51c3e..3d3a1e349e7 100644
--- a/app/graphql/resolvers/board_list_issues_resolver.rb
+++ b/app/graphql/resolvers/board_list_issues_resolver.rb
@@ -13,7 +13,7 @@ module Resolvers
     alias_method :list, :object
 
     def resolve(**args)
-      filters = item_filters(args[:filters], list.board.resource_parent)
+      filters = item_filters(args[:filters])
       mutually_exclusive_milestone_args!(filters)
 
       filter_params = filters.merge(board_id: list.board.id, id: list.id)
diff --git a/app/graphql/resolvers/board_list_resolver.rb b/app/graphql/resolvers/board_list_resolver.rb
index 4ff18ea1c99..45cb7f732cf 100644
--- a/app/graphql/resolvers/board_list_resolver.rb
+++ b/app/graphql/resolvers/board_list_resolver.rb
@@ -20,7 +20,7 @@ module Resolvers
 
     def resolve(id: nil, issue_filters: {})
       Gitlab::Graphql::Lazy.with_value(find_list(id: id)) do |list|
-        context.scoped_set!(:issue_filters, item_filters(issue_filters, list&.board&.resource_parent))
+        context.scoped_set!(:issue_filters, item_filters(issue_filters))
         list if authorized_resource?(list)
       end
     end
diff --git a/app/graphql/resolvers/board_lists_resolver.rb b/app/graphql/resolvers/board_lists_resolver.rb
index 3e9d68f7e1b..8cbdad82f5c 100644
--- a/app/graphql/resolvers/board_lists_resolver.rb
+++ b/app/graphql/resolvers/board_lists_resolver.rb
@@ -22,7 +22,7 @@ module Resolvers
 
     def resolve_with_lookahead(id: nil, issue_filters: {})
       lists = board_lists(id)
-      context.scoped_set!(:issue_filters, item_filters(issue_filters, board.resource_parent))
+      context.scoped_set!(:issue_filters, item_filters(issue_filters))
 
       List.preload_preferences_for_user(lists, current_user) if load_preferences?
 
diff --git a/app/graphql/resolvers/concerns/board_item_filterable.rb b/app/graphql/resolvers/concerns/board_item_filterable.rb
index dc45975a362..11bf6cb61ff 100644
--- a/app/graphql/resolvers/concerns/board_item_filterable.rb
+++ b/app/graphql/resolvers/concerns/board_item_filterable.rb
@@ -5,7 +5,7 @@ module BoardItemFilterable
 
   private
 
-  def item_filters(args, resource_parent)
+  def item_filters(args)
     filters = args.to_h
 
     set_filter_values(filters)
@@ -13,11 +13,6 @@ module BoardItemFilterable
     set_filter_values(filters[:not]) if filters[:not]
 
     if filters[:or]
-      if ::Feature.disabled?(:or_issuable_queries, resource_parent)
-        raise ::Gitlab::Graphql::Errors::ArgumentError,
-          "'or' arguments are only allowed when the `or_issuable_queries` feature flag is enabled."
-      end
-
       rewrite_param_name(filters[:or], :author_usernames, :author_username)
       rewrite_param_name(filters[:or], :assignee_usernames, :assignee_username)
       rewrite_param_name(filters[:or], :label_names, :label_name)
diff --git a/app/graphql/resolvers/group_packages_resolver.rb b/app/graphql/resolvers/group_packages_resolver.rb
index ae578390fd5..e6a6abb39dd 100644
--- a/app/graphql/resolvers/group_packages_resolver.rb
+++ b/app/graphql/resolvers/group_packages_resolver.rb
@@ -13,9 +13,9 @@ module Resolvers
       default_value: :created_desc
 
     GROUP_SORT_TO_PARAMS_MAP = SORT_TO_PARAMS_MAP.merge({
-                                                          project_path_desc: { order_by: 'project_path', sort: 'desc' },
-                                                          project_path_asc: { order_by: 'project_path', sort: 'asc' }
-                                                        }).freeze
+      project_path_desc: { order_by: 'project_path', sort: 'desc' },
+      project_path_asc: { order_by: 'project_path', sort: 'asc' }
+    }).freeze
 
     def resolve(sort:, **filters)
       return unless packages_available?
diff --git a/app/graphql/resolvers/issues/base_resolver.rb b/app/graphql/resolvers/issues/base_resolver.rb
index df4f36606f2..6662730e114 100644
--- a/app/graphql/resolvers/issues/base_resolver.rb
+++ b/app/graphql/resolvers/issues/base_resolver.rb
@@ -104,11 +104,6 @@ module Resolvers
       end
 
       def ready?(**args)
-        if args[:or].present? && or_issuable_queries_disabled?
-          raise ::Gitlab::Graphql::Errors::ArgumentError,
-            "'or' arguments are only allowed when the `or_issuable_queries` feature flag is enabled."
-        end
-
         args[:not] = args[:not].to_h if args[:not]
         args[:or] = args[:or].to_h if args[:or]
 
@@ -117,14 +112,6 @@ module Resolvers
 
       private
 
-      def or_issuable_queries_disabled?
-        if respond_to?(:resource_parent, true)
-          ::Feature.disabled?(:or_issuable_queries, resource_parent)
-        else
-          ::Feature.disabled?(:or_issuable_queries)
-        end
-      end
-
       def prepare_finder_params(args)
         params = super(args)
         params[:not] = params[:not].to_h if params[:not]
diff --git a/config/feature_flags/development/or_issuable_queries.yml b/config/feature_flags/development/or_issuable_queries.yml
deleted file mode 100644
index eaf124c655d..00000000000
--- a/config/feature_flags/development/or_issuable_queries.yml
+++ /dev/null
@@ -1,8 +0,0 @@
----
-name: or_issuable_queries
-introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/54444
-rollout_issue_url:
-milestone: '13.10'
-type: development
-group: group::project management
-default_enabled: true
diff --git a/config/initializers/active_record_database_tasks.rb b/config/initializers/active_record_database_tasks.rb
index 4c08f0bbe1f..8263acd3c32 100644
--- a/config/initializers/active_record_database_tasks.rb
+++ b/config/initializers/active_record_database_tasks.rb
@@ -1,5 +1,44 @@
 # frozen_string_literal: true
 
+module ActiveRecord
+  module Tasks
+    module DatabaseTasks
+      def migrate_status
+        # rubocop:disable Database/MultipleDatabases -- From Rails base code which doesn't follow our style guide
+        # rubocop:disable Rails/Output -- From Rails base code which doesn't follow our style guide
+        unless ActiveRecord::Base.connection.schema_migration.table_exists?
+          Kernel.abort "Schema migrations table does not exist yet."
+        end
+
+        puts "\ndatabase: #{ActiveRecord::Base.connection_db_config.database}\n\n"
+        puts "#{'Status'.center(8)}  #{'Migration ID'.ljust(14)}  #{'Type'.ljust(7)}  #{'Milestone'.ljust(11)}  Name"
+        puts "-" * 50
+        status_with_milestones.each do |status, version, type, milestone, name|
+          puts "#{status.center(8)}  #{version.ljust(14)}  #{type.ljust(7)}  #{milestone.ljust(11)}  #{name}"
+        end
+        puts
+        # rubocop:enable Rails/Output
+        # rubocop:enable Database/MultipleDatabases
+      end
+
+      def status_with_milestones
+        # rubocop:disable Database/MultipleDatabases -- From Rails base code which doesn't follow our style guide
+        versions = ActiveRecord::SchemaMigration.all_versions.map(&:to_i)
+        ActiveRecord::Base.connection.migration_context.migrations.sort_by(&:version).map do |m|
+          [
+            (versions.include?(m.version.to_i) ? 'up' : 'down'),
+            m.version.to_s,
+            m.version.try(:type).to_s,
+            m.try(:milestone).to_s,
+            m.name
+          ]
+        end
+        # rubocop:enable Database/MultipleDatabases
+      end
+    end
+  end
+end
+
 return unless Gitlab.ee?
 
 ActiveSupport.on_load(:active_record) do
diff --git a/config/initializers/active_record_migrations.rb b/config/initializers/active_record_migrations.rb
index 6465753aa2e..61a36ef7a74 100644
--- a/config/initializers/active_record_migrations.rb
+++ b/config/initializers/active_record_migrations.rb
@@ -1,26 +1,6 @@
 # frozen_string_literal: true
 
 Gitlab::Database::Migrations::LockRetryMixin.patch!
+Gitlab::Database::Migrations::MigrationOrderMixin.patch!
 Gitlab::Database::Migrations::PgBackendPid.patch!
 Gitlab::Database::Migrations::RunnerBackoff::ActiveRecordMixin.patch!
-
-# This patch rolls back to Rails 6.1 behavior:
-#
-# https://github.com/rails/rails/blob/v6.1.4.3/activerecord/lib/active_record/migration.rb#L1044
-#
-# It fixes the tests that relies on the fact that the same constants have the same object_id.
-# For example to make sure that stub_const works correctly.
-#
-# It overrides the new behavior that removes the constant first:
-#
-# https://github.com/rails/rails/blob/v7.0.5/activerecord/lib/active_record/migration.rb#L1054
-module ActiveRecord
-  class MigrationProxy
-    private
-
-    def load_migration
-      require(File.expand_path(filename))
-      name.constantize.new(name, version)
-    end
-  end
-end
diff --git a/doc/api/graphql/reference/index.md b/doc/api/graphql/reference/index.md
index c147534e7b3..75d7f9b9594 100644
--- a/doc/api/graphql/reference/index.md
+++ b/doc/api/graphql/reference/index.md
@@ -16956,7 +16956,7 @@ four standard [pagination arguments](#pagination-arguments):
 | <a id="boardepicancestorsmilestonetitle"></a>`milestoneTitle` | [`String`](#string) | Filter epics by milestone title, computed from epic's issues. |
 | <a id="boardepicancestorsmyreactionemoji"></a>`myReactionEmoji` | [`String`](#string) | Filter by reaction emoji applied by the current user. |
 | <a id="boardepicancestorsnot"></a>`not` | [`NegatedEpicFilterInput`](#negatedepicfilterinput) | Negated epic arguments. |
-| <a id="boardepicancestorsor"></a>`or` **{warning-solid}** | [`UnionedEpicFilterInput`](#unionedepicfilterinput) | **Introduced** in GitLab 15.9. **Status**: Experiment. List of arguments with inclusive OR. Ignored unless `or_issuable_queries` flag is enabled. |
+| <a id="boardepicancestorsor"></a>`or` | [`UnionedEpicFilterInput`](#unionedepicfilterinput) | List of arguments with inclusive OR. |
 | <a id="boardepicancestorssearch"></a>`search` | [`String`](#string) | Search query for title or description. |
 | <a id="boardepicancestorssort"></a>`sort` | [`EpicSort`](#epicsort) | List epics by sort order. |
 | <a id="boardepicancestorsstate"></a>`state` | [`EpicState`](#epicstate) | Filter epics by state. |
@@ -16993,7 +16993,7 @@ four standard [pagination arguments](#pagination-arguments):
 | <a id="boardepicchildrenmilestonetitle"></a>`milestoneTitle` | [`String`](#string) | Filter epics by milestone title, computed from epic's issues. |
 | <a id="boardepicchildrenmyreactionemoji"></a>`myReactionEmoji` | [`String`](#string) | Filter by reaction emoji applied by the current user. |
 | <a id="boardepicchildrennot"></a>`not` | [`NegatedEpicFilterInput`](#negatedepicfilterinput) | Negated epic arguments. |
-| <a id="boardepicchildrenor"></a>`or` **{warning-solid}** | [`UnionedEpicFilterInput`](#unionedepicfilterinput) | **Introduced** in GitLab 15.9. **Status**: Experiment. List of arguments with inclusive OR. Ignored unless `or_issuable_queries` flag is enabled. |
+| <a id="boardepicchildrenor"></a>`or` | [`UnionedEpicFilterInput`](#unionedepicfilterinput) | List of arguments with inclusive OR. |
 | <a id="boardepicchildrensearch"></a>`search` | [`String`](#string) | Search query for title or description. |
 | <a id="boardepicchildrensort"></a>`sort` | [`EpicSort`](#epicsort) | List epics by sort order. |
 | <a id="boardepicchildrenstate"></a>`state` | [`EpicState`](#epicstate) | Filter epics by state. |
@@ -20130,7 +20130,7 @@ four standard [pagination arguments](#pagination-arguments):
 | <a id="epicancestorsmilestonetitle"></a>`milestoneTitle` | [`String`](#string) | Filter epics by milestone title, computed from epic's issues. |
 | <a id="epicancestorsmyreactionemoji"></a>`myReactionEmoji` | [`String`](#string) | Filter by reaction emoji applied by the current user. |
 | <a id="epicancestorsnot"></a>`not` | [`NegatedEpicFilterInput`](#negatedepicfilterinput) | Negated epic arguments. |
-| <a id="epicancestorsor"></a>`or` **{warning-solid}** | [`UnionedEpicFilterInput`](#unionedepicfilterinput) | **Introduced** in GitLab 15.9. **Status**: Experiment. List of arguments with inclusive OR. Ignored unless `or_issuable_queries` flag is enabled. |
+| <a id="epicancestorsor"></a>`or` | [`UnionedEpicFilterInput`](#unionedepicfilterinput) | List of arguments with inclusive OR. |
 | <a id="epicancestorssearch"></a>`search` | [`String`](#string) | Search query for title or description. |
 | <a id="epicancestorssort"></a>`sort` | [`EpicSort`](#epicsort) | List epics by sort order. |
 | <a id="epicancestorsstate"></a>`state` | [`EpicState`](#epicstate) | Filter epics by state. |
@@ -20167,7 +20167,7 @@ four standard [pagination arguments](#pagination-arguments):
 | <a id="epicchildrenmilestonetitle"></a>`milestoneTitle` | [`String`](#string) | Filter epics by milestone title, computed from epic's issues. |
 | <a id="epicchildrenmyreactionemoji"></a>`myReactionEmoji` | [`String`](#string) | Filter by reaction emoji applied by the current user. |
 | <a id="epicchildrennot"></a>`not` | [`NegatedEpicFilterInput`](#negatedepicfilterinput) | Negated epic arguments. |
-| <a id="epicchildrenor"></a>`or` **{warning-solid}** | [`UnionedEpicFilterInput`](#unionedepicfilterinput) | **Introduced** in GitLab 15.9. **Status**: Experiment. List of arguments with inclusive OR. Ignored unless `or_issuable_queries` flag is enabled. |
+| <a id="epicchildrenor"></a>`or` | [`UnionedEpicFilterInput`](#unionedepicfilterinput) | List of arguments with inclusive OR. |
 | <a id="epicchildrensearch"></a>`search` | [`String`](#string) | Search query for title or description. |
 | <a id="epicchildrensort"></a>`sort` | [`EpicSort`](#epicsort) | List epics by sort order. |
 | <a id="epicchildrenstate"></a>`state` | [`EpicState`](#epicstate) | Filter epics by state. |
@@ -21672,7 +21672,7 @@ Returns [`Epic`](#epic).
 | <a id="groupepicmilestonetitle"></a>`milestoneTitle` | [`String`](#string) | Filter epics by milestone title, computed from epic's issues. |
 | <a id="groupepicmyreactionemoji"></a>`myReactionEmoji` | [`String`](#string) | Filter by reaction emoji applied by the current user. |
 | <a id="groupepicnot"></a>`not` | [`NegatedEpicFilterInput`](#negatedepicfilterinput) | Negated epic arguments. |
-| <a id="groupepicor"></a>`or` **{warning-solid}** | [`UnionedEpicFilterInput`](#unionedepicfilterinput) | **Introduced** in GitLab 15.9. **Status**: Experiment. List of arguments with inclusive OR. Ignored unless `or_issuable_queries` flag is enabled. |
+| <a id="groupepicor"></a>`or` | [`UnionedEpicFilterInput`](#unionedepicfilterinput) | List of arguments with inclusive OR. |
 | <a id="groupepicsearch"></a>`search` | [`String`](#string) | Search query for title or description. |
 | <a id="groupepicsort"></a>`sort` | [`EpicSort`](#epicsort) | List epics by sort order. |
 | <a id="groupepicstate"></a>`state` | [`EpicState`](#epicstate) | Filter epics by state. |
@@ -21721,7 +21721,7 @@ four standard [pagination arguments](#pagination-arguments):
 | <a id="groupepicsmilestonetitle"></a>`milestoneTitle` | [`String`](#string) | Filter epics by milestone title, computed from epic's issues. |
 | <a id="groupepicsmyreactionemoji"></a>`myReactionEmoji` | [`String`](#string) | Filter by reaction emoji applied by the current user. |
 | <a id="groupepicsnot"></a>`not` | [`NegatedEpicFilterInput`](#negatedepicfilterinput) | Negated epic arguments. |
-| <a id="groupepicsor"></a>`or` **{warning-solid}** | [`UnionedEpicFilterInput`](#unionedepicfilterinput) | **Introduced** in GitLab 15.9. **Status**: Experiment. List of arguments with inclusive OR. Ignored unless `or_issuable_queries` flag is enabled. |
+| <a id="groupepicsor"></a>`or` | [`UnionedEpicFilterInput`](#unionedepicfilterinput) | List of arguments with inclusive OR. |
 | <a id="groupepicssearch"></a>`search` | [`String`](#string) | Search query for title or description. |
 | <a id="groupepicssort"></a>`sort` | [`EpicSort`](#epicsort) | List epics by sort order. |
 | <a id="groupepicsstate"></a>`state` | [`EpicState`](#epicstate) | Filter epics by state. |
@@ -37539,7 +37539,7 @@ Filter parameters for projects to be aggregated for DORA metrics.
 | <a id="epicfilterslabelname"></a>`labelName` | [`[String]`](#string) | Filter by label name. |
 | <a id="epicfiltersmyreactionemoji"></a>`myReactionEmoji` | [`String`](#string) | Filter by reaction emoji applied by the current user. Wildcard values "NONE" and "ANY" are supported. |
 | <a id="epicfiltersnot"></a>`not` | [`NegatedEpicBoardIssueInput`](#negatedepicboardissueinput) | Negated epic arguments. |
-| <a id="epicfiltersor"></a>`or` | [`UnionedEpicFilterInput`](#unionedepicfilterinput) | List of arguments with inclusive OR. Ignored unless `or_issuable_queries` flag is enabled. |
+| <a id="epicfiltersor"></a>`or` | [`UnionedEpicFilterInput`](#unionedepicfilterinput) | List of arguments with inclusive OR. |
 | <a id="epicfilterssearch"></a>`search` | [`String`](#string) | Search query for epic title or description. |
 
 ### `EpicTreeNodeFieldsInputType`
diff --git a/doc/user/group/epics/manage_epics.md b/doc/user/group/epics/manage_epics.md
index 913ca53ca81..dcd0bd14f07 100644
--- a/doc/user/group/epics/manage_epics.md
+++ b/doc/user/group/epics/manage_epics.md
@@ -265,15 +265,10 @@ To filter:
 ### Filter with the OR operator
 
 > - OR filtering for labels and authors was [introduced](https://gitlab.com/gitlab-org/gitlab/-/issues/382969) in GitLab 15.9 [with a flag](../../../administration/feature_flags.md) named `or_issuable_queries`. Disabled by default.
+> - [Enabled on GitLab.com and self-managed](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/104292) in GitLab 15.9.
+> - [Generally available](https://gitlab.com/gitlab-org/gitlab/-/issues/296031) in GitLab 17.0. Feature flag `or_issuable_queries` removed.
 
-FLAG:
-On self-managed GitLab, by default this feature is not available.
-To make it available, an administrator can [enable the feature flag](../../../administration/feature_flags.md) named `or_issuable_queries`.
-On GitLab.com and GitLab Dedicated, this feature is not available.
-This feature is not ready for production use.
-
-When this feature is enabled, you can use the OR operator (**is one of: `||`**)
-when you [filter the list of epics](#filter-the-list-of-epics) by:
+You can use the OR operator (**is one of: `||`**) when you [filter the list of epics](#filter-the-list-of-epics) by:
 
 - Authors
 - Labels
diff --git a/doc/user/project/issues/managing_issues.md b/doc/user/project/issues/managing_issues.md
index 7b5844a943e..debea3edb65 100644
--- a/doc/user/project/issues/managing_issues.md
+++ b/doc/user/project/issues/managing_issues.md
@@ -510,14 +510,9 @@ It's a limitation of PostgreSQL full text search.
 > - OR filtering for author and assignee was [introduced](https://gitlab.com/gitlab-org/gitlab/-/issues/23532) in GitLab 15.6 [with a flag](../../../administration/feature_flags.md) named `or_issuable_queries`. Disabled by default.
 > - OR filtering for label was [introduced](https://gitlab.com/gitlab-org/gitlab/-/issues/23532) in GitLab 15.8 [with a flag](../../../administration/feature_flags.md) named `or_issuable_queries`. Disabled by default.
 > - [Enabled on GitLab.com and self-managed](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/104292) in GitLab 15.9.
+> - [Generally available](https://gitlab.com/gitlab-org/gitlab/-/issues/296031) in GitLab 17.0. Feature flag `or_issuable_queries` removed.
 
-FLAG:
-On self-managed GitLab, by default this feature is available.
-To hide the feature, an administrator can [disable the feature flag](../../../administration/feature_flags.md) named `or_issuable_queries`.
-On GitLab.com and GitLab Dedicated, this feature is available.
-
-When this feature is enabled, you can use the OR operator (**is one of: `||`**)
-when you [filter the list of issues](#filter-the-list-of-issues) by:
+You can use the OR operator (**is one of: `||`**) when you [filter the list of issues](#filter-the-list-of-issues) by:
 
 - Assignees
 - Author
diff --git a/lib/gitlab/database/migration.rb b/lib/gitlab/database/migration.rb
index dcbc03e8885..6d5bd2efcc1 100644
--- a/lib/gitlab/database/migration.rb
+++ b/lib/gitlab/database/migration.rb
@@ -71,6 +71,11 @@ module Gitlab
       end
 
       class V2_2 < V2_1
+        def self.inherited(subclass)
+          super
+          subclass.instance_variable_set(:@_defining_file, caller_locations.first.absolute_path)
+        end
+
         include Gitlab::Database::Migrations::MilestoneMixin
       end
 
diff --git a/lib/gitlab/database/migrations/migration_order_mixin.rb b/lib/gitlab/database/migrations/migration_order_mixin.rb
new file mode 100644
index 00000000000..be9a30e4e20
--- /dev/null
+++ b/lib/gitlab/database/migrations/migration_order_mixin.rb
@@ -0,0 +1,61 @@
+# frozen_string_literal: true
+
+# The patch to load_migration rolls back to Rails 6.1 behavior:
+#
+# https://github.com/rails/rails/blob/v6.1.4.3/activerecord/lib/active_record/migration.rb#L1044
+#
+# It fixes the tests that relies on the fact that the same constants have the same object_id.
+# For example to make sure that stub_const works correctly.
+#
+# It overrides the new behavior that removes the constant first:
+#
+# https://github.com/rails/rails/blob/v7.0.5/activerecord/lib/active_record/migration.rb#L1054
+
+# The following is a reminder for when we upgrade to Rails 7.1. In particular,
+# we need to pay special attention to ensure that our ActiveRecord overrides are
+# compatible.
+
+if ::ActiveRecord::VERSION::STRING >= "7.1"
+  raise 'New version of active-record detected, please remove or update this patch'
+end
+
+module Gitlab
+  module Database
+    module Migrations
+      module MigrationOrderMixin
+        module MigrationProxyOverrides
+          def version
+            migration.version
+          end
+
+          def milestone
+            migration.try(:milestone)
+          end
+
+          private
+
+          def load_migration
+            require(File.expand_path(filename))
+
+            name.constantize.new(name, self[:version])
+          end
+        end
+
+        module MigratorOverrides
+          def current_version
+            migrations
+              .sort_by(&:version)
+              .reverse
+              .find { |m| migrated.include?(m.version) }
+              .try(:version) || 0
+          end
+        end
+
+        def self.patch!
+          ActiveRecord::MigrationProxy.prepend(MigrationProxyOverrides)
+          ActiveRecord::Migrator.prepend(MigratorOverrides)
+        end
+      end
+    end
+  end
+end
diff --git a/lib/gitlab/database/migrations/milestone_mixin.rb b/lib/gitlab/database/migrations/milestone_mixin.rb
index 7d78f74d237..e4fe296684f 100644
--- a/lib/gitlab/database/migrations/milestone_mixin.rb
+++ b/lib/gitlab/database/migrations/milestone_mixin.rb
@@ -19,10 +19,23 @@ module Gitlab
           end
         end
 
-        def initialize(name = self.class.name, version = nil, _type = nil)
+        def type_from_path(path)
+          dir = File.dirname(path)
+          return :post if dir.match?(%r{db/(\w+/)?post_migrate})
+          return :regular if dir.match?(%r{db/(\w+/)?migrate})
+
+          raise 'unknown migration path'
+        end
+
+        def initialize(name = self.class.name, version = nil)
           raise MilestoneNotSetError, "Milestone is not set for #{name}" if milestone.nil?
 
           super(name, version)
+          @version = Gitlab::Database::Migrations::Version.new(
+            version,
+            milestone,
+            type_from_path(self.class.instance_variable_get(:@_defining_file))
+          )
         end
 
         def milestone # rubocop:disable Lint/DuplicateMethods
diff --git a/lib/gitlab/database/migrations/version.rb b/lib/gitlab/database/migrations/version.rb
index 27c4c7d0746..afd8bb488ce 100644
--- a/lib/gitlab/database/migrations/version.rb
+++ b/lib/gitlab/database/migrations/version.rb
@@ -17,7 +17,7 @@ module Gitlab
 
         def initialize(timestamp, milestone, type)
           @timestamp = timestamp
-          @milestone = milestone
+          @milestone = Gitlab::VersionInfo.parse_from_milestone(milestone)
           self.type = type
         end
 
@@ -29,6 +29,10 @@ module Gitlab
           @type_value = TYPE_VALUES.fetch(value.to_sym) { raise InvalidTypeError }
         end
 
+        def milestone=(milestone_str)
+          @milestone = Gitlab::VersionInfo.parse_from_milestone(milestone_str)
+        end
+
         def regular?
           @type_value == TYPE_VALUES[:regular]
         end
@@ -38,9 +42,12 @@ module Gitlab
         end
 
         def <=>(other)
+          return 0 if other.is_a?(Integer) && @timestamp == other
+
           return 1 unless other.is_a?(self.class)
 
-          return milestone <=> other.milestone if milestone != other.milestone
+          compare_milestones = milestone <=> other.milestone
+          return compare_milestones if compare_milestones != 0
 
           return @type_value <=> other.type_value if @type_value != other.type_value
 
@@ -55,7 +62,7 @@ module Gitlab
           @timestamp.to_i
         end
 
-        def coerce(_other)
+        def coerce(_)
           [-1, timestamp.to_i]
         end
 
@@ -68,7 +75,7 @@ module Gitlab
         end
 
         def hash
-          [timestamp, milestone, @type_value].hash
+          timestamp.hash
         end
       end
     end
diff --git a/spec/config/initializers/active_record/tasks/database_tasks_spec.rb b/spec/config/initializers/active_record/tasks/database_tasks_spec.rb
new file mode 100644
index 00000000000..3eebd4563a8
--- /dev/null
+++ b/spec/config/initializers/active_record/tasks/database_tasks_spec.rb
@@ -0,0 +1,11 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe ActiveRecord::Tasks::DatabaseTasks, feature_category: :database do
+  let(:db_config) { Gitlab::Database.database_base_models.first }
+
+  it 'does not raise an error' do
+    expect { described_class.migrate_status }.not_to raise_error
+  end
+end
diff --git a/spec/features/groups/issues_spec.rb b/spec/features/groups/issues_spec.rb
index e4f9fe34823..c1944232187 100644
--- a/spec/features/groups/issues_spec.rb
+++ b/spec/features/groups/issues_spec.rb
@@ -12,10 +12,6 @@ RSpec.describe 'Group issues page', feature_category: :groups_and_projects do
   let(:project_with_issues_disabled) { create(:project, :issues_disabled, group: group) }
   let(:path) { issues_group_path(group) }
 
-  before do
-    stub_feature_flags(or_issuable_queries: false)
-  end
-
   context 'with shared examples', :js do
     let(:issuable) { create(:issue, project: project, title: "this is my created issuable") }
 
diff --git a/spec/features/groups/user_sees_users_dropdowns_in_issuables_list_spec.rb b/spec/features/groups/user_sees_users_dropdowns_in_issuables_list_spec.rb
index 9a3232990ec..25d0fda026f 100644
--- a/spec/features/groups/user_sees_users_dropdowns_in_issuables_list_spec.rb
+++ b/spec/features/groups/user_sees_users_dropdowns_in_issuables_list_spec.rb
@@ -11,7 +11,6 @@ RSpec.describe 'Groups > User sees users dropdowns in issuables list', :js, feat
   let!(:project) { create(:project, group: group) }
 
   before do
-    stub_feature_flags(or_issuable_queries: false)
     group.add_developer(user_in_dropdown)
     sign_in(user_in_dropdown)
   end
diff --git a/spec/features/issues/filtered_search/dropdown_assignee_spec.rb b/spec/features/issues/filtered_search/dropdown_assignee_spec.rb
index 0c5b33c2530..852a5d7bd36 100644
--- a/spec/features/issues/filtered_search/dropdown_assignee_spec.rb
+++ b/spec/features/issues/filtered_search/dropdown_assignee_spec.rb
@@ -9,10 +9,6 @@ RSpec.describe 'Dropdown assignee', :js, feature_category: :team_planning do
   let_it_be(:user) { create(:user) }
   let_it_be(:issue) { create(:issue, project: project) }
 
-  before do
-    stub_feature_flags(or_issuable_queries: false)
-  end
-
   describe 'behavior' do
     before do
       project.add_maintainer(user)
diff --git a/spec/features/issues/filtered_search/dropdown_author_spec.rb b/spec/features/issues/filtered_search/dropdown_author_spec.rb
index b5d389b3bee..d1171ea9ec8 100644
--- a/spec/features/issues/filtered_search/dropdown_author_spec.rb
+++ b/spec/features/issues/filtered_search/dropdown_author_spec.rb
@@ -10,7 +10,6 @@ RSpec.describe 'Dropdown author', :js, feature_category: :team_planning do
   let_it_be(:issue) { create(:issue, project: project) }
 
   before do
-    stub_feature_flags(or_issuable_queries: false)
     project.add_maintainer(user)
     sign_in(user)
 
diff --git a/spec/features/issues/filtered_search/dropdown_base_spec.rb b/spec/features/issues/filtered_search/dropdown_base_spec.rb
index 866b83a6319..9108a966cd3 100644
--- a/spec/features/issues/filtered_search/dropdown_base_spec.rb
+++ b/spec/features/issues/filtered_search/dropdown_base_spec.rb
@@ -10,7 +10,6 @@ RSpec.describe 'Dropdown base', :js, feature_category: :team_planning do
   let_it_be(:issue) { create(:issue, project: project) }
 
   before do
-    stub_feature_flags(or_issuable_queries: false)
     project.add_maintainer(user)
     sign_in(user)
 
diff --git a/spec/features/issues/filtered_search/dropdown_emoji_spec.rb b/spec/features/issues/filtered_search/dropdown_emoji_spec.rb
index 52c85942a7c..5cd1e4cfb57 100644
--- a/spec/features/issues/filtered_search/dropdown_emoji_spec.rb
+++ b/spec/features/issues/filtered_search/dropdown_emoji_spec.rb
@@ -11,7 +11,6 @@ RSpec.describe 'Dropdown emoji', :js, feature_category: :team_planning do
   let_it_be(:award_emoji_star) { create(:award_emoji, name: 'star', user: user, awardable: issue) }
 
   before do
-    stub_feature_flags(or_issuable_queries: false)
     project.add_maintainer(user)
     create_list(:award_emoji, 2, user: user, name: 'thumbsup')
     create_list(:award_emoji, 1, user: user, name: 'thumbsdown')
diff --git a/spec/features/issues/filtered_search/dropdown_hint_spec.rb b/spec/features/issues/filtered_search/dropdown_hint_spec.rb
index 1cd8326c5fe..2eeb6513a92 100644
--- a/spec/features/issues/filtered_search/dropdown_hint_spec.rb
+++ b/spec/features/issues/filtered_search/dropdown_hint_spec.rb
@@ -10,7 +10,6 @@ RSpec.describe 'Dropdown hint', :js, feature_category: :team_planning do
   let_it_be(:issue) { create(:issue, project: project) }
 
   before do
-    stub_feature_flags(or_issuable_queries: false)
     project.add_maintainer(user)
   end
 
@@ -68,11 +67,11 @@ RSpec.describe 'Dropdown hint', :js, feature_category: :team_planning do
         expect_visible_suggestions_list
         expect_suggestion '='
 
-        click_link '= is'
+        click_link 'is ='
 
         expect_visible_suggestions_list
         expect_token_segment 'Author'
-        expect_token_segment '='
+        expect_token_segment 'is'
         expect_empty_search_term
       end
     end
diff --git a/spec/features/issues/filtered_search/dropdown_label_spec.rb b/spec/features/issues/filtered_search/dropdown_label_spec.rb
index a2eceb67841..4a4be7efa3d 100644
--- a/spec/features/issues/filtered_search/dropdown_label_spec.rb
+++ b/spec/features/issues/filtered_search/dropdown_label_spec.rb
@@ -11,7 +11,6 @@ RSpec.describe 'Dropdown label', :js, feature_category: :team_planning do
   let_it_be(:label) { create(:label, project: project, title: 'bug-label') }
 
   before do
-    stub_feature_flags(or_issuable_queries: false)
     project.add_maintainer(user)
     sign_in(user)
 
diff --git a/spec/features/issues/filtered_search/dropdown_milestone_spec.rb b/spec/features/issues/filtered_search/dropdown_milestone_spec.rb
index d08eb29b5c0..d7c18171ab6 100644
--- a/spec/features/issues/filtered_search/dropdown_milestone_spec.rb
+++ b/spec/features/issues/filtered_search/dropdown_milestone_spec.rb
@@ -12,7 +12,6 @@ RSpec.describe 'Dropdown milestone', :js, feature_category: :team_planning do
   let_it_be(:issue) { create(:issue, project: project) }
 
   before do
-    stub_feature_flags(or_issuable_queries: false)
     project.add_maintainer(user)
     sign_in(user)
 
diff --git a/spec/features/issues/filtered_search/dropdown_release_spec.rb b/spec/features/issues/filtered_search/dropdown_release_spec.rb
index 5d9b8b04012..ea153d815e5 100644
--- a/spec/features/issues/filtered_search/dropdown_release_spec.rb
+++ b/spec/features/issues/filtered_search/dropdown_release_spec.rb
@@ -12,7 +12,6 @@ RSpec.describe 'Dropdown release', :js, feature_category: :team_planning do
   let_it_be(:issue) { create(:issue, project: project) }
 
   before do
-    stub_feature_flags(or_issuable_queries: false)
     project.add_maintainer(user)
     sign_in(user)
 
diff --git a/spec/features/issues/filtered_search/filter_issues_spec.rb b/spec/features/issues/filtered_search/filter_issues_spec.rb
index 7cf539dfd33..dd2d7f87ff5 100644
--- a/spec/features/issues/filtered_search/filter_issues_spec.rb
+++ b/spec/features/issues/filtered_search/filter_issues_spec.rb
@@ -19,7 +19,6 @@ RSpec.describe 'Filter issues', :js, feature_category: :team_planning do
   end
 
   before do
-    stub_feature_flags(or_issuable_queries: false)
     project.add_maintainer(user)
 
     create(:issue, project: project, author: user2, title: "Bug report 1")
diff --git a/spec/features/issues/filtered_search/visual_tokens_spec.rb b/spec/features/issues/filtered_search/visual_tokens_spec.rb
index ca1a822fd88..d17bad8a1b0 100644
--- a/spec/features/issues/filtered_search/visual_tokens_spec.rb
+++ b/spec/features/issues/filtered_search/visual_tokens_spec.rb
@@ -15,7 +15,6 @@ RSpec.describe 'Visual tokens', :js, feature_category: :team_planning do
   let_it_be(:issue) { create(:issue, project: project) }
 
   before do
-    stub_feature_flags(or_issuable_queries: false)
     project.add_member(user, :maintainer)
     project.add_member(user_rock, :maintainer)
     sign_in(user)
@@ -91,7 +90,7 @@ RSpec.describe 'Visual tokens', :js, feature_category: :team_planning do
       expect_suggestion '='
       expect_suggestion '!='
 
-      click_on '= is'
+      click_on 'is ='
 
       expect_suggestion(user.name)
       expect_suggestion(user_rock.name)
@@ -111,10 +110,10 @@ RSpec.describe 'Visual tokens', :js, feature_category: :team_planning do
 
   it 'does retain hint token when mix of typing and clicks are performed' do
     select_tokens 'Label'
-    click_on '= is'
+    click_on 'is ='
 
     expect_token_segment 'Label'
-    expect_token_segment '='
+    expect_token_segment 'is'
   end
 
   describe 'Any/None option' do
diff --git a/spec/features/labels_hierarchy_spec.rb b/spec/features/labels_hierarchy_spec.rb
index c5bf230e988..d7b356c3a12 100644
--- a/spec/features/labels_hierarchy_spec.rb
+++ b/spec/features/labels_hierarchy_spec.rb
@@ -17,7 +17,6 @@ RSpec.describe 'Labels Hierarchy', :js, feature_category: :team_planning do
   let!(:project_label_1) { create(:label, project: project_1, title: 'Label_4') }
 
   before do
-    stub_feature_flags(or_issuable_queries: false)
     grandparent.add_owner(user)
 
     sign_in(user)
@@ -61,7 +60,7 @@ RSpec.describe 'Labels Hierarchy', :js, feature_category: :team_planning do
           within_testid('filtered-search-input') do
             click_filtered_search_bar
             click_on 'Label'
-            click_on '= is'
+            click_on 'is ='
             click_on label.title
             send_keys :enter
           end
@@ -112,7 +111,7 @@ RSpec.describe 'Labels Hierarchy', :js, feature_category: :team_planning do
           within_testid('filtered-search-input') do
             click_filtered_search_bar
             click_on 'Label'
-            click_on '= is'
+            click_on 'is ='
             click_on label.title
             send_keys :enter
           end
diff --git a/spec/finders/merge_requests_finder_spec.rb b/spec/finders/merge_requests_finder_spec.rb
index 10c0e7eec91..24631b341ca 100644
--- a/spec/finders/merge_requests_finder_spec.rb
+++ b/spec/finders/merge_requests_finder_spec.rb
@@ -55,16 +55,6 @@ RSpec.describe MergeRequestsFinder, feature_category: :code_review_workflow do
           it 'returns merge requests created by any of the given users' do
             expect(merge_requests).to contain_exactly(merge_request1, merge_request2)
           end
-
-          context 'when feature flag is disabled' do
-            before do
-              stub_feature_flags(or_issuable_queries: false)
-            end
-
-            it 'does not add any filter' do
-              expect(merge_requests).to contain_exactly(merge_request1, merge_request2, merge_request3, merge_request4, merge_request5)
-            end
-          end
         end
 
         context 'with nonexistent author ID and MR term using CTE for search' do
diff --git a/spec/fixtures/migrations/db/migration_ordering/migrate/30000000000000_ordering_test_one.rb b/spec/fixtures/migrations/db/migration_ordering/migrate/30000000000000_ordering_test_one.rb
new file mode 100644
index 00000000000..8019db47498
--- /dev/null
+++ b/spec/fixtures/migrations/db/migration_ordering/migrate/30000000000000_ordering_test_one.rb
@@ -0,0 +1,7 @@
+# frozen_string_literal: true
+
+class OrderingTestOne < Gitlab::Database::Migration[2.1]
+  def change
+    # no op
+  end
+end
diff --git a/spec/fixtures/migrations/db/migration_ordering/migrate/30000000000001_ordering_test_two.rb b/spec/fixtures/migrations/db/migration_ordering/migrate/30000000000001_ordering_test_two.rb
new file mode 100644
index 00000000000..990541d2104
--- /dev/null
+++ b/spec/fixtures/migrations/db/migration_ordering/migrate/30000000000001_ordering_test_two.rb
@@ -0,0 +1,7 @@
+# frozen_string_literal: true
+
+class OrderingTestTwo < Gitlab::Database::Migration[2.1]
+  def change
+    # no op
+  end
+end
diff --git a/spec/frontend/feature_flags/components/strategy_spec.js b/spec/frontend/feature_flags/components/strategy_spec.js
index 90021829212..b3b87558b6e 100644
--- a/spec/frontend/feature_flags/components/strategy_spec.js
+++ b/spec/frontend/feature_flags/components/strategy_spec.js
@@ -40,6 +40,7 @@ describe('Feature flags strategy', () => {
 
   const findStrategyParameters = () => wrapper.findComponent(StrategyParameters);
   const findDocsLinks = () => wrapper.findAllComponents(GlLink);
+  const findToken = () => wrapper.findComponent(GlToken);
 
   const factory = (
     opts = {
@@ -140,7 +141,7 @@ describe('Feature flags strategy', () => {
       });
 
       it('should revert to all-environments scope when last scope is removed', async () => {
-        const token = wrapper.findComponent(GlToken);
+        const token = findToken();
         token.vm.$emit('close');
         await nextTick();
         expect(wrapper.findAllComponents(GlToken)).toHaveLength(0);
@@ -154,6 +155,34 @@ describe('Feature flags strategy', () => {
       });
     });
 
+    describe('with a single environment scope defined and existing feature flag', () => {
+      let strategy;
+      beforeEach(() => {
+        strategy = {
+          name: ROLLOUT_STRATEGY_PERCENT_ROLLOUT,
+          parameters: { percentage: '50', groupId: 'default' },
+          scopes: [{ environmentScope: 'production', id: 1 }],
+        };
+        const propsData = { strategy, index: 0 };
+        factory({ propsData, provide });
+      });
+
+      it('should revert single environment scope when last scope is removed', async () => {
+        findToken().vm.$emit('close');
+        await nextTick();
+
+        expect(wrapper.emitted('change')).toEqual([
+          [
+            {
+              name: ROLLOUT_STRATEGY_PERCENT_ROLLOUT,
+              parameters: { percentage: '50', groupId: PERCENT_ROLLOUT_GROUP_ID },
+              scopes: [{ environmentScope: 'production', id: 1, shouldBeDestroyed: true }],
+            },
+          ],
+        ]);
+      });
+    });
+
     describe('with an all-environments scope defined', () => {
       let strategy;
 
@@ -169,7 +198,8 @@ describe('Feature flags strategy', () => {
 
       it('should change the parameters if a different strategy is chosen', async () => {
         const select = wrapper.findComponent(GlFormSelect);
-        select.setValue(ROLLOUT_STRATEGY_ALL_USERS);
+        select.element.value = ROLLOUT_STRATEGY_ALL_USERS;
+        select.trigger('change');
         await nextTick();
         expect(last(wrapper.emitted('change'))).toEqual([
           {
@@ -185,7 +215,7 @@ describe('Feature flags strategy', () => {
         dropdown.vm.$emit('add', 'production');
         await nextTick();
         expect(wrapper.findAllComponents(GlToken)).toHaveLength(1);
-        expect(wrapper.findComponent(GlToken).text()).toBe('production');
+        expect(findToken().text()).toBe('production');
       });
 
       it('should display all selected scopes', async () => {
@@ -237,7 +267,7 @@ describe('Feature flags strategy', () => {
         dropdown.vm.$emit('add', 'production');
         await nextTick();
         expect(wrapper.findAllComponents(GlToken)).toHaveLength(1);
-        expect(wrapper.findComponent(GlToken).text()).toBe('production');
+        expect(findToken().text()).toBe('production');
       });
 
       it('should display all selected scopes', async () => {
diff --git a/spec/lib/gitlab/database/migrations/lock_retry_mixin_spec.rb b/spec/lib/gitlab/database/migrations/lock_retry_mixin_spec.rb
index e868253268e..30cf90256a7 100644
--- a/spec/lib/gitlab/database/migrations/lock_retry_mixin_spec.rb
+++ b/spec/lib/gitlab/database/migrations/lock_retry_mixin_spec.rb
@@ -113,7 +113,9 @@ RSpec.describe Gitlab::Database::Migrations::LockRetryMixin, feature_category: :
 
       let(:migration) do
         Class.new(Gitlab::Database::Migration[2.2]) do
-          milestone 16.10
+          milestone '16.10'
+
+          @_defining_file = 'db/migrate/1_test.rb'
 
           def change
             # no-op
diff --git a/spec/lib/gitlab/database/migrations/milestone_mixin_spec.rb b/spec/lib/gitlab/database/migrations/milestone_mixin_spec.rb
index 1ed5c846550..df0fcae564a 100644
--- a/spec/lib/gitlab/database/migrations/milestone_mixin_spec.rb
+++ b/spec/lib/gitlab/database/migrations/milestone_mixin_spec.rb
@@ -12,12 +12,22 @@ RSpec.describe Gitlab::Database::Migrations::MilestoneMixin, feature_category: :
   end
 
   let(:migration_mixin) do
-    Class.new(Gitlab::Database::Migration[2.2])
+    Class.new(Gitlab::Database::Migration[2.2]) do
+      @_defining_file = 'db/migrate/00000000000000_example.rb'
+    end
   end
 
   let(:migration_mixin_version) do
     Class.new(Gitlab::Database::Migration[2.2]) do
       milestone '16.4'
+      @_defining_file = 'db/migrate/00000000000000_example.rb'
+    end
+  end
+
+  let(:migration_mixin_version_post) do
+    Class.new(Gitlab::Database::Migration[2.2]) do
+      milestone '16.4'
+      @_defining_file = 'db/post_migrate/00000000000000_example.rb'
     end
   end
 
@@ -30,7 +40,7 @@ RSpec.describe Gitlab::Database::Migrations::MilestoneMixin, feature_category: :
   context 'when the mixin is included' do
     context 'when a milestone is not specified' do
       it "raises MilestoneNotSetError" do
-        expect { migration_mixin.new(4, 4, :regular) }.to raise_error(
+        expect { migration_mixin.new(4, 4) }.to raise_error(
           "#{described_class}::MilestoneNotSetError".constantize
         )
       end
@@ -38,7 +48,7 @@ RSpec.describe Gitlab::Database::Migrations::MilestoneMixin, feature_category: :
 
     context 'when a milestone is specified' do
       it "does not raise an error" do
-        expect { migration_mixin_version.new(4, 4, :regular) }.not_to raise_error
+        expect { migration_mixin_version.new(4, 4) }.not_to raise_error
       end
     end
 
@@ -47,5 +57,17 @@ RSpec.describe Gitlab::Database::Migrations::MilestoneMixin, feature_category: :
         expect { migration_mixin_version.new }.not_to raise_error
       end
     end
+
+    context "when it's a regular migration" do
+      it 'is a regular migration' do
+        expect(migration_mixin_version.new(4, 4).version.type).to eq(:regular)
+      end
+    end
+
+    context "when it's a post-deployment migration" do
+      it 'is a regular migration' do
+        expect(migration_mixin_version_post.new(4, 4).version.type).to eq(:post)
+      end
+    end
   end
 end
diff --git a/spec/lib/gitlab/database/migrations/version_spec.rb b/spec/lib/gitlab/database/migrations/version_spec.rb
index 821a2156539..73f72c512eb 100644
--- a/spec/lib/gitlab/database/migrations/version_spec.rb
+++ b/spec/lib/gitlab/database/migrations/version_spec.rb
@@ -7,32 +7,35 @@ RSpec.describe Gitlab::Database::Migrations::Version, feature_category: :databas
     [
       4,
       5,
-      described_class.new(6, Gitlab::VersionInfo.parse_from_milestone('10.3'), :regular),
+      described_class.new(6, '10.3', :regular),
       7,
-      described_class.new(8, Gitlab::VersionInfo.parse_from_milestone('10.3'), :regular),
-      described_class.new(9, Gitlab::VersionInfo.parse_from_milestone('10.4'), :regular),
-      described_class.new(10, Gitlab::VersionInfo.parse_from_milestone('10.3'), :post),
-      described_class.new(11, Gitlab::VersionInfo.parse_from_milestone('10.3'), :regular)
+      described_class.new(8, '10.3', :regular),
+      described_class.new(9, '10.4', :regular),
+      described_class.new(10, '10.3', :post),
+      described_class.new(11, '10.3', :regular),
+      described_class.new(12, '10.15', :regular)
     ]
   end
 
   describe "#<=>" do
     it 'sorts by existence of milestone, then by milestone, then by type, then by timestamp when sorted by version' do
-      expect(test_versions.sort.map(&:to_i)).to eq [4, 5, 7, 6, 8, 11, 10, 9]
+      expect(test_versions.sort.map(&:to_i)).to eq [4, 5, 7, 6, 8, 11, 10, 9, 12]
     end
   end
 
   describe 'initialize' do
     context 'when the type is :post or :regular' do
       it 'does not raise an error' do
-        expect { described_class.new(4, 4, :regular) }.not_to raise_error
-        expect { described_class.new(4, 4, :post) }.not_to raise_error
+        expect { described_class.new(4, '10.3', :regular) }.not_to raise_error
+        expect { described_class.new(4, '10.3', :post) }.not_to raise_error
       end
     end
 
     context 'when the type is anything else' do
       it 'does not raise an error' do
-        expect { described_class.new(4, 4, 'foo') }.to raise_error("#{described_class}::InvalidTypeError".constantize)
+        expect do
+          described_class.new(4, '10.3', 'foo')
+        end.to raise_error("#{described_class}::InvalidTypeError".constantize)
       end
     end
   end
@@ -41,23 +44,23 @@ RSpec.describe Gitlab::Database::Migrations::Version, feature_category: :databas
     where(:version1, :version2, :expected_equality) do
       [
         [
-          described_class.new(4, Gitlab::VersionInfo.parse_from_milestone('10.3'), :regular),
-          described_class.new(4, Gitlab::VersionInfo.parse_from_milestone('10.3'), :regular),
+          described_class.new(4, '10.3', :regular),
+          described_class.new(4, '10.3', :regular),
           true
         ],
         [
-          described_class.new(4, Gitlab::VersionInfo.parse_from_milestone('10.3'), :regular),
-          described_class.new(4, Gitlab::VersionInfo.parse_from_milestone('10.4'), :regular),
+          described_class.new(4, '10.3', :regular),
+          described_class.new(4, '10.4', :regular),
           false
         ],
         [
-          described_class.new(4, Gitlab::VersionInfo.parse_from_milestone('10.3'), :regular),
-          described_class.new(4, Gitlab::VersionInfo.parse_from_milestone('10.3'), :post),
+          described_class.new(4, '10.3', :regular),
+          described_class.new(4, '10.3', :post),
           false
         ],
         [
-          described_class.new(4, Gitlab::VersionInfo.parse_from_milestone('10.3'), :regular),
-          described_class.new(5, Gitlab::VersionInfo.parse_from_milestone('10.3'), :regular),
+          described_class.new(4, '10.3', :regular),
+          described_class.new(5, '10.3', :regular),
           false
         ]
       ]
@@ -75,7 +78,7 @@ RSpec.describe Gitlab::Database::Migrations::Version, feature_category: :databas
   end
 
   describe 'type' do
-    subject { described_class.new(4, Gitlab::VersionInfo.parse_from_milestone('10.3'), migration_type) }
+    subject { described_class.new(4, '10.3', migration_type) }
 
     context 'when the migration is regular' do
       let(:migration_type) { :regular }
@@ -99,7 +102,7 @@ RSpec.describe Gitlab::Database::Migrations::Version, feature_category: :databas
   end
 
   describe 'to_s' do
-    subject { described_class.new(4, Gitlab::VersionInfo.parse_from_milestone('10.3'), :regular) }
+    subject { described_class.new(4, '10.3', :regular) }
 
     it 'returns the given timestamp value as a string' do
       expect(subject.to_s).to eql('4')
@@ -107,7 +110,7 @@ RSpec.describe Gitlab::Database::Migrations::Version, feature_category: :databas
   end
 
   describe 'hash' do
-    subject { described_class.new(4, Gitlab::VersionInfo.parse_from_milestone('10.3'), :regular) }
+    subject { described_class.new(4, '10.3', :regular) }
 
     let(:expected_hash) { subject.hash }
 
@@ -117,4 +120,14 @@ RSpec.describe Gitlab::Database::Migrations::Version, feature_category: :databas
       end
     end
   end
+
+  describe '=' do
+    subject { described_class.new(4, '10.3', :regular) }
+
+    it 'correctly assigns a new milestone object parsed from a string' do
+      subject.milestone = '14.6'
+      expect(subject.milestone.major).to be(14)
+      expect(subject.milestone.minor).to be(6)
+    end
+  end
 end
diff --git a/spec/requests/api/graphql/boards/board_list_issues_query_spec.rb b/spec/requests/api/graphql/boards/board_list_issues_query_spec.rb
index 312700b1dcf..c132d1eaff8 100644
--- a/spec/requests/api/graphql/boards/board_list_issues_query_spec.rb
+++ b/spec/requests/api/graphql/boards/board_list_issues_query_spec.rb
@@ -122,16 +122,6 @@ RSpec.describe 'get board lists', feature_category: :team_planning do
 
           expect(issue_id).to contain_exactly(issue1.to_gid.to_s, issue2.to_gid.to_s)
         end
-
-        context 'when feature flag is disabled' do
-          it 'returns an error' do
-            stub_feature_flags(or_issuable_queries: false)
-
-            subject
-
-            expect_graphql_errors_to_include("'or' arguments are only allowed when the `or_issuable_queries` feature flag is enabled.")
-          end
-        end
       end
     end
   end
diff --git a/spec/requests/api/graphql/boards/board_lists_query_spec.rb b/spec/requests/api/graphql/boards/board_lists_query_spec.rb
index c1ad9bc8728..dcc58310f88 100644
--- a/spec/requests/api/graphql/boards/board_lists_query_spec.rb
+++ b/spec/requests/api/graphql/boards/board_lists_query_spec.rb
@@ -152,23 +152,6 @@ RSpec.describe 'get board lists', feature_category: :team_planning do
 
           expect(lists_data[0]['node']['issuesCount']).to eq 2
         end
-
-        context 'when feature flag is disabled' do
-          it 'returns an error' do
-            stub_feature_flags(or_issuable_queries: false)
-
-            post_graphql(
-              query(
-                id: global_id_of(label_list),
-                issueFilters: { or: { assignee_usernames: [user.username, another_user.username] } }
-              ), current_user: user
-            )
-
-            expect_graphql_errors_to_include(
-              "'or' arguments are only allowed when the `or_issuable_queries` feature flag is enabled."
-            )
-          end
-        end
       end
     end
   end
diff --git a/spec/support/helpers/filtered_search_helpers.rb b/spec/support/helpers/filtered_search_helpers.rb
index ce7aefe49e7..3f99b30f996 100644
--- a/spec/support/helpers/filtered_search_helpers.rb
+++ b/spec/support/helpers/filtered_search_helpers.rb
@@ -192,11 +192,7 @@ module FilteredSearchHelpers
         # Move mouse away to prevent invoking tooltips on usernames, which blocks the search input
         find_button('Search').hover
 
-        if token == '='
-          click_on '= is'
-        else
-          click_on token
-        end
+        click_on token.to_s, match: :first
 
         wait_for_requests
       end
@@ -252,35 +248,35 @@ module FilteredSearchHelpers
   end
 
   def expect_assignee_token(value)
-    expect(page).to have_css '.gl-filtered-search-token', text: "Assignee = #{value}"
+    expect(page).to have_css '.gl-filtered-search-token', text: /Assignee (=|is) #{Regexp.escape(value)}/
   end
 
   def expect_unioned_assignee_token(value)
-    expect(page).to have_css '.gl-filtered-search-token', text: "Assignee is one of #{value}"
+    expect(page).to have_css '.gl-filtered-search-token', text: /Assignee is one of #{Regexp.escape(value)}/
   end
 
   def expect_author_token(value)
-    expect(page).to have_css '.gl-filtered-search-token', text: "Author = #{value}"
+    expect(page).to have_css '.gl-filtered-search-token', text: /Author (=|is) #{Regexp.escape(value)}/
   end
 
   def expect_label_token(value)
-    expect(page).to have_css '.gl-filtered-search-token', text: "Label = #{value}"
+    expect(page).to have_css '.gl-filtered-search-token', text: /Label (=|is) #{Regexp.escape(value)}/
   end
 
   def expect_negated_label_token(value)
-    expect(page).to have_css '.gl-filtered-search-token', text: "Label != #{value}"
+    expect(page).to have_css '.gl-filtered-search-token', text: /Label (!=|is not one of) #{Regexp.escape(value)}/
   end
 
   def expect_milestone_token(value)
-    expect(page).to have_css '.gl-filtered-search-token', text: "Milestone = %#{value}"
+    expect(page).to have_css '.gl-filtered-search-token', text: /Milestone (=|is) %#{Regexp.escape(value)}/
   end
 
   def expect_negated_milestone_token(value)
-    expect(page).to have_css '.gl-filtered-search-token', text: "Milestone != %#{value}"
+    expect(page).to have_css '.gl-filtered-search-token', text: /Milestone (!=|is not) %#{Regexp.escape(value)}/
   end
 
   def expect_epic_token(value)
-    expect(page).to have_css '.gl-filtered-search-token', text: "Epic = #{value}"
+    expect(page).to have_css '.gl-filtered-search-token', text: /Epic (=|is) #{value}/
   end
 
   def expect_search_term(value)
diff --git a/spec/support/shared_examples/boards/multiple_issue_boards_shared_examples.rb b/spec/support/shared_examples/boards/multiple_issue_boards_shared_examples.rb
index 0e86f5df18e..0a5fafa8f22 100644
--- a/spec/support/shared_examples/boards/multiple_issue_boards_shared_examples.rb
+++ b/spec/support/shared_examples/boards/multiple_issue_boards_shared_examples.rb
@@ -4,6 +4,10 @@ RSpec.shared_examples 'multiple issue boards' do
   include ListboxHelpers
 
   context 'authorized user' do
+    before_all do
+      create(:callout, feature_name: :board_add_new_column_trigger_popover, user: user)
+    end
+
     before do
       parent.add_maintainer(user)
 
diff --git a/spec/support/shared_examples/finders/issues_finder_shared_examples.rb b/spec/support/shared_examples/finders/issues_finder_shared_examples.rb
index 839d5b5fce5..63afdc4c45b 100644
--- a/spec/support/shared_examples/finders/issues_finder_shared_examples.rb
+++ b/spec/support/shared_examples/finders/issues_finder_shared_examples.rb
@@ -219,16 +219,6 @@ RSpec.shared_examples 'issues or work items finder' do |factory, execute_context
           it 'returns items created by any of the given users' do
             expect(items).to contain_exactly(item3, item6)
           end
-
-          context 'when feature flag is disabled' do
-            before do
-              stub_feature_flags(or_issuable_queries: false)
-            end
-
-            it 'does not add any filter' do
-              expect(items).to contain_exactly(item1, item2, item3, item4, item5, item6)
-            end
-          end
         end
 
         context 'filtering by NOT author ID' do
@@ -502,16 +492,6 @@ RSpec.shared_examples 'issues or work items finder' do |factory, execute_context
           it 'returns items that have at least one of the given labels' do
             expect(items).to contain_exactly(item2, item3)
           end
-
-          context 'when feature flag is disabled' do
-            before do
-              stub_feature_flags(or_issuable_queries: false)
-            end
-
-            it 'does not add any filter' do
-              expect(items).to contain_exactly(item1, item2, item3, item4, item5)
-            end
-          end
         end
       end
 
diff --git a/spec/support/shared_examples/requests/api/graphql/issue_list_shared_examples.rb b/spec/support/shared_examples/requests/api/graphql/issue_list_shared_examples.rb
index 39e90970d42..ad575fbb6df 100644
--- a/spec/support/shared_examples/requests/api/graphql/issue_list_shared_examples.rb
+++ b/spec/support/shared_examples/requests/api/graphql/issue_list_shared_examples.rb
@@ -152,20 +152,6 @@ RSpec.shared_examples 'graphql issue list request spec' do
           expect_graphql_errors_to_be_empty
         end
       end
-
-      context 'when feature flag is disabled' do
-        let(:issue_filter_params) { { or: { assignee_usernames: [current_user.username] } } }
-
-        it 'returns an error' do
-          stub_feature_flags(or_issuable_queries: false)
-
-          post_query
-
-          expect_graphql_errors_to_include(
-            "'or' arguments are only allowed when the `or_issuable_queries` feature flag is enabled."
-          )
-        end
-      end
     end
 
     context 'when filtering by a blank negated argument' do