diff --git a/.rubocop_todo/style/open_struct_use.yml b/.rubocop_todo/style/open_struct_use.yml
index 80239770db0..c459ea9d49c 100644
--- a/.rubocop_todo/style/open_struct_use.yml
+++ b/.rubocop_todo/style/open_struct_use.yml
@@ -21,7 +21,6 @@ Style/OpenStructUse:
   - spec/graphql/mutations/commits/create_spec.rb
   - spec/helpers/application_settings_helper_spec.rb
   - spec/helpers/profiles_helper_spec.rb
-  - spec/lib/gitlab/auth/o_auth/provider_spec.rb
   - spec/lib/gitlab/gitaly_client/blobs_stitcher_spec.rb
   - spec/lib/gitlab/gitaly_client/diff_stitcher_spec.rb
   - spec/lib/gitlab/legacy_github_import/project_creator_spec.rb
diff --git a/app/assets/javascripts/integrations/edit/index.js b/app/assets/javascripts/integrations/edit/index.js
index fbda8c1e3d0..f4202e30a62 100644
--- a/app/assets/javascripts/integrations/edit/index.js
+++ b/app/assets/javascripts/integrations/edit/index.js
@@ -22,6 +22,7 @@ function parseDatasetToProps(data) {
     editProjectPath,
     learnMorePath,
     triggerEvents,
+    sections,
     fields,
     inheritFromId,
     integrationLevel,
@@ -81,6 +82,7 @@ function parseDatasetToProps(data) {
     },
     learnMorePath,
     triggerEvents: JSON.parse(triggerEvents),
+    sections: JSON.parse(sections, { deep: true }),
     fields: convertObjectPropsToCamelCase(JSON.parse(fields), { deep: true }),
     inheritFromId: parseInt(inheritFromId, 10),
     integrationLevel,
diff --git a/app/assets/javascripts/pages/shared/wikis/components/wiki_form.vue b/app/assets/javascripts/pages/shared/wikis/components/wiki_form.vue
index c28de88554a..a90c65e1aeb 100644
--- a/app/assets/javascripts/pages/shared/wikis/components/wiki_form.vue
+++ b/app/assets/javascripts/pages/shared/wikis/components/wiki_form.vue
@@ -495,6 +495,7 @@ export default {
           :textarea-value="content"
           :markdown-docs-path="pageInfo.markdownHelpPath"
           :uploads-path="pageInfo.uploadsPath"
+          :enable-preview="isMarkdownFormat"
           class="bordered-box"
         >
           <template #textarea>
diff --git a/app/assets/javascripts/vue_shared/components/markdown/field.vue b/app/assets/javascripts/vue_shared/components/markdown/field.vue
index cbf38984e23..171424b6d24 100644
--- a/app/assets/javascripts/vue_shared/components/markdown/field.vue
+++ b/app/assets/javascripts/vue_shared/components/markdown/field.vue
@@ -48,6 +48,11 @@ export default {
       required: false,
       default: '',
     },
+    enablePreview: {
+      type: Boolean,
+      required: false,
+      default: true,
+    },
     addSpacingClasses: {
       type: Boolean,
       required: false,
@@ -204,6 +209,14 @@ export default {
         }
       },
     },
+    enablePreview: {
+      immediate: true,
+      handler(newVal) {
+        if (!newVal) {
+          this.showWriteTab();
+        }
+      },
+    },
   },
   mounted() {
     // GLForm class handles all the toolbar buttons
@@ -301,6 +314,7 @@ export default {
       :preview-markdown="previewMarkdown"
       :line-content="lineContent"
       :can-suggest="canSuggest"
+      :enable-preview="enablePreview"
       :show-suggest-popover="showSuggestPopover"
       :suggestion-start-index="suggestionsStartIndex"
       data-testid="markdownHeader"
diff --git a/app/assets/javascripts/vue_shared/components/markdown/header.vue b/app/assets/javascripts/vue_shared/components/markdown/header.vue
index 3b99afa9e3d..21794f7f122 100644
--- a/app/assets/javascripts/vue_shared/components/markdown/header.vue
+++ b/app/assets/javascripts/vue_shared/components/markdown/header.vue
@@ -43,6 +43,11 @@ export default {
       required: false,
       default: 0,
     },
+    enablePreview: {
+      type: Boolean,
+      required: false,
+      default: true,
+    },
   },
   data() {
     return {
@@ -164,6 +169,7 @@ export default {
         @click="writeMarkdownTab($event)"
       />
       <gl-tab
+        v-if="enablePreview"
         title-link-class="gl-pt-3 gl-px-3 js-md-preview-button"
         :title="$options.i18n.previewTabTitle"
         :active="previewMarkdown"
diff --git a/app/controllers/admin/integrations_controller.rb b/app/controllers/admin/integrations_controller.rb
index ad0ee0b2cef..db9835e65ec 100644
--- a/app/controllers/admin/integrations_controller.rb
+++ b/app/controllers/admin/integrations_controller.rb
@@ -5,6 +5,10 @@ class Admin::IntegrationsController < Admin::ApplicationController
 
   before_action :not_found, unless: -> { instance_level_integrations? }
 
+  before_action do
+    push_frontend_feature_flag(:integration_form_sections, default_enabled: :yaml)
+  end
+
   feature_category :integrations
 
   def overrides
diff --git a/app/controllers/groups/settings/integrations_controller.rb b/app/controllers/groups/settings/integrations_controller.rb
index 0a63c3d304b..ec64e75a68e 100644
--- a/app/controllers/groups/settings/integrations_controller.rb
+++ b/app/controllers/groups/settings/integrations_controller.rb
@@ -7,6 +7,10 @@ module Groups
 
       before_action :authorize_admin_group!
 
+      before_action do
+        push_frontend_feature_flag(:integration_form_sections, group, default_enabled: :yaml)
+      end
+
       feature_category :integrations
 
       layout 'group_settings'
diff --git a/app/controllers/projects/services_controller.rb b/app/controllers/projects/services_controller.rb
index 1321111faaf..105f8efde7b 100644
--- a/app/controllers/projects/services_controller.rb
+++ b/app/controllers/projects/services_controller.rb
@@ -13,6 +13,10 @@ class Projects::ServicesController < Projects::ApplicationController
   before_action :set_deprecation_notice_for_prometheus_integration, only: [:edit, :update]
   before_action :redirect_deprecated_prometheus_integration, only: [:update]
 
+  before_action do
+    push_frontend_feature_flag(:integration_form_sections, project, default_enabled: :yaml)
+  end
+
   respond_to :html
 
   layout "project_settings"
diff --git a/app/helpers/integrations_helper.rb b/app/helpers/integrations_helper.rb
index f5ba978e860..5a2c59b5398 100644
--- a/app/helpers/integrations_helper.rb
+++ b/app/helpers/integrations_helper.rb
@@ -83,6 +83,7 @@ module IntegrationsHelper
       comment_detail: integration.comment_detail,
       learn_more_path: integrations_help_page_path,
       trigger_events: trigger_events_for_integration(integration),
+      sections: integration.sections.to_json,
       fields: fields_for_integration(integration),
       inherit_from_id: integration.inherit_from_id,
       integration_level: integration_level(integration),
diff --git a/app/models/integration.rb b/app/models/integration.rb
index f1f2a515453..b434da3ceed 100644
--- a/app/models/integration.rb
+++ b/app/models/integration.rb
@@ -40,6 +40,8 @@ class Integration < ApplicationRecord
     Integrations::BaseSlashCommands
   ].freeze
 
+  SECTION_TYPE_CONNECTION = 'connection'
+
   serialize :properties, JSON # rubocop:disable Cop/ActiveRecordSerialize
 
   attribute :type, Gitlab::Integrations::StiType.new
@@ -363,6 +365,10 @@ class Integration < ApplicationRecord
     []
   end
 
+  def sections
+    []
+  end
+
   def password_fields
     fields.select { |f| f[:type] == 'password' }.pluck(:name)
   end
diff --git a/app/models/integrations/jira.rb b/app/models/integrations/jira.rb
index 966ad07afad..8266d113492 100644
--- a/app/models/integrations/jira.rb
+++ b/app/models/integrations/jira.rb
@@ -112,7 +112,7 @@ module Integrations
 
     def help
       jira_doc_link_start = '<a href="%{url}" target="_blank" rel="noopener noreferrer">'.html_safe % { url: help_page_url('integration/jira/index.html') }
-      s_("JiraService|You need to configure Jira before enabling this integration. For more details, read the %{jira_doc_link_start}Jira integration documentation%{link_end}.") % { jira_doc_link_start: jira_doc_link_start, link_end: '</a>'.html_safe }
+      s_("JiraService|You must configure Jira before enabling this integration. For more details, read the %{jira_doc_link_start}Jira integration documentation%{link_end}.") % { jira_doc_link_start: jira_doc_link_start, link_end: '</a>'.html_safe }
     end
 
     def title
@@ -130,6 +130,7 @@ module Integrations
     def fields
       [
         {
+          section: SECTION_TYPE_CONNECTION,
           type: 'text',
           name: 'url',
           title: s_('JiraService|Web URL'),
@@ -138,12 +139,14 @@ module Integrations
           required: true
         },
         {
+          section: SECTION_TYPE_CONNECTION,
           type: 'text',
           name: 'api_url',
           title: s_('JiraService|Jira API URL'),
           help: s_('JiraService|If different from Web URL.')
         },
         {
+          section: SECTION_TYPE_CONNECTION,
           type: 'text',
           name: 'username',
           title: s_('JiraService|Username or Email'),
@@ -151,6 +154,7 @@ module Integrations
           required: true
         },
         {
+          section: SECTION_TYPE_CONNECTION,
           type: 'password',
           name: 'password',
           title: s_('JiraService|Password or API token'),
@@ -162,6 +166,16 @@ module Integrations
       ]
     end
 
+    def sections
+      [
+        {
+          type: SECTION_TYPE_CONNECTION,
+          title: s_('Integrations|Connection details'),
+          description: help
+        }
+      ].freeze
+    end
+
     def web_url(path = nil, **params)
       return '' unless url.present?
 
diff --git a/app/presenters/release_presenter.rb b/app/presenters/release_presenter.rb
index f62c09a395d..fc47ece6199 100644
--- a/app/presenters/release_presenter.rb
+++ b/app/presenters/release_presenter.rb
@@ -3,10 +3,6 @@
 class ReleasePresenter < Gitlab::View::Presenter::Delegated
   presents ::Release, as: :release
 
-  # TODO: Remove `delegate` as it's redundant due to SimpleDelegator.
-  delegator_override :tag, :project
-  delegate :project, :tag, to: :release
-
   def commit_path
     return unless release.commit && can_download_code?
 
diff --git a/app/serializers/service_field_entity.rb b/app/serializers/service_field_entity.rb
index aad9db5ffea..b13f2c0e217 100644
--- a/app/serializers/service_field_entity.rb
+++ b/app/serializers/service_field_entity.rb
@@ -4,7 +4,7 @@ class ServiceFieldEntity < Grape::Entity
   include RequestAwareEntity
   include Gitlab::Utils::StrongMemoize
 
-  expose :type, :name, :placeholder, :required, :choices, :checkbox_label
+  expose :section, :type, :name, :placeholder, :required, :choices, :checkbox_label
 
   expose :title do |field|
     non_empty_password?(field) ? field[:non_empty_password_title] : field[:title]
diff --git a/config/feature_flags/development/integration_form_sections.yml b/config/feature_flags/development/integration_form_sections.yml
new file mode 100644
index 00000000000..c3dc6234f04
--- /dev/null
+++ b/config/feature_flags/development/integration_form_sections.yml
@@ -0,0 +1,8 @@
+---
+name: integration_form_sections
+introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/80712
+rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/352827
+milestone: '14.9'
+type: development
+group: group::integrations
+default_enabled: false
diff --git a/doc/administration/audit_events.md b/doc/administration/audit_events.md
index d4902a18cac..8f6548eb4ff 100644
--- a/doc/administration/audit_events.md
+++ b/doc/administration/audit_events.md
@@ -50,11 +50,13 @@ There are two kinds of events logged:
 
 When a user is being [impersonated](../user/admin_area/index.md#user-impersonation), their actions are logged as audit events as usual, with two additional details:
 
-1. Usual audit events include information about the impersonating administrator. These are visible in their respective Audit Event pages depending on their type (Group/Project/User).
-1. Extra audit events are recorded for the start and stop of the administrator's impersonation session. These are visible in
-   the:
+1. Usual audit events include information about the impersonating administrator. These audit events are visible in their
+   respective audit event pages depending on their type (group, project, or user).
+1. Extra audit events are recorded for the start and stop of the administrator's impersonation session. These audit events
+   are visible in the:
    - Instance audit events.
-   - Group audit events for all groups the user belongs to (GitLab 14.8 and later). This is limited to 20 groups for performance reasons.
+   - Group audit events for all groups the user belongs to (GitLab 14.8 and later). For performance reasons, group audit
+     events are limited to the oldest 20 groups to which you belong.
 
 ![audit events](img/impersonated_audit_events_v13_8.png)
 
diff --git a/doc/subscriptions/self_managed/index.md b/doc/subscriptions/self_managed/index.md
index cb9db3673ac..d9819d83876 100644
--- a/doc/subscriptions/self_managed/index.md
+++ b/doc/subscriptions/self_managed/index.md
@@ -388,7 +388,7 @@ Starting 30 days before a subscription expires, GitLab notifies administrators o
 
 We recommend following these steps during renewal:
 
-1. Prune any inactive or unwanted users by [blocking them](../../user/admin_area/moderate_users.md#block-a-user).
+1. Prior to the renewal date, prune any inactive or unwanted users by [blocking them](../../user/admin_area/moderate_users.md#block-a-user).
 1. Determine if you have a need for user growth in the upcoming subscription.
 1. Log in to the [Customers Portal](https://customers.gitlab.com/customers/sign_in) and select the **Renew** button beneath your existing subscription.
 The **Renew** button remains disabled (grayed-out) until 15 days before a subscription expires.
diff --git a/doc/user/shortcuts.md b/doc/user/shortcuts.md
index ebaa5da8e05..4a40bba1fa8 100644
--- a/doc/user/shortcuts.md
+++ b/doc/user/shortcuts.md
@@ -17,10 +17,6 @@ following methods:
 - Press <kbd>?</kbd>.
 - In the Help menu in the top right of the application, select **Keyboard shortcuts**.
 
-In [GitLab 12.8 and later](https://gitlab.com/gitlab-org/gitlab/-/issues/22113),
-you can disable keyboard shortcuts by using the **Keyboard shortcuts** toggle
-at the top of the keyboard shortcut window.
-
 Although [global shortcuts](#global-shortcuts) work from any area of GitLab,
 you must be in specific pages for the other shortcuts to be available, as
 explained in each section.
@@ -43,19 +39,19 @@ These shortcuts are available in most areas of GitLab:
 | <kbd>Shift</kbd> + <kbd>t</kbd> | Go to your To-Do List page. |
 | <kbd>p</kbd> + <kbd>b</kbd>     | Show or hide the Performance Bar. |
 | <kbd>g</kbd> + <kbd>x</kbd>     | Toggle between [GitLab](https://gitlab.com/) and [GitLab Next](https://next.gitlab.com/) (GitLab SaaS only). |
-| <kbd>.</kbd>     | Open the [Web IDE](project/web_ide/index.md). |
+| <kbd>.</kbd>                    | Open the [Web IDE](project/web_ide/index.md). |
 
 Additionally, the following shortcuts are available when editing text in text
 fields (for example, comments, replies, issue descriptions, and merge request
 descriptions):
 
-| Keyboard shortcut                                                         | Description |
-|---------------------------------------------------------------------------|-------------|
-| <kbd>↑</kbd>                                                              | Edit your last comment. You must be in a blank text field below a thread, and you must already have at least one comment in the thread. |
-| <kbd>⌘</kbd> (Mac) / <kbd>Control</kbd> + <kbd>Shift</kbd> + <kbd>p</kbd> | Toggle Markdown preview when editing text in a text field that has **Write** and **Preview** tabs at the top. |
-| <kbd>⌘</kbd> (Mac) / <kbd>Control</kbd> + <kbd>b</kbd>                    | Bold the selected text (surround it with `**`). |
-| <kbd>⌘</kbd> (Mac) / <kbd>Control</kbd> + <kbd>i</kbd>                    | Italicize the selected text (surround it with `_`). |
-| <kbd>⌘</kbd> (Mac) / <kbd>Control</kbd> + <kbd>k</kbd>                    | Add a link (surround the selected text with `[]()`). |
+| macOS shortcut | Windows shortcut | Description |
+|----------------|------------------|-------------|
+| <kbd>↑</kbd>   | <kbd>↑</kbd>     | Edit your last comment. You must be in a blank text field below a thread, and you must already have at least one comment in the thread. |
+| <kbd>Command</kbd> + <kbd>Shift</kbd> + <kbd>p</kbd> | <kbd>Control</kbd> + <kbd>Shift</kbd> + <kbd>p</kbd> | Toggle Markdown preview when editing text in a text field that has **Write** and **Preview** tabs at the top. |
+| <kbd>Command</kbd> + <kbd>b</kbd>       | <kbd>Control</kbd> + <kbd>b</kbd> | Bold the selected text (surround it with `**`). |
+| <kbd>Command</kbd> + <kbd>i</kbd>       | <kbd>Control</kbd> + <kbd>i</kbd> | Italicize the selected text (surround it with `_`). |
+| <kbd>Command</kbd> + <kbd>k</kbd>       | <kbd>Control</kbd> + <kbd>k</kbd> | Add a link (surround the selected text with `[]()`). |
 
 The shortcuts for editing in text fields are always enabled, even if other
 keyboard shortcuts are disabled.
@@ -102,7 +98,7 @@ These shortcuts are available when viewing issues and [merge requests](project/m
 | <kbd>]</kbd> or <kbd>j</kbd> | Move to next file (merge requests only). |
 | <kbd>[</kbd> or <kbd>k</kbd> | Move to previous file (merge requests only). |
 | <kbd>b</kbd>                 | Copy source branch name (merge requests only). |
-| <kbd>.</kbd>     | Open the [Web IDE](project/web_ide/index.md). |
+| <kbd>.</kbd>                 | Open the [Web IDE](project/web_ide/index.md). |
 
 ### Project files
 
@@ -113,7 +109,7 @@ These shortcuts are available when browsing the files in a project (go to
 |-------------------|-------------|
 | <kbd>↑</kbd>      | Move selection up. |
 | <kbd>↓</kbd>      | Move selection down. |
-| <kbd>enter</kbd>  | Open selection. |
+| <kbd>Enter</kbd>  | Open selection. |
 | <kbd>Escape</kbd> | Go back to file list screen (only while searching for files, **Repository > Files**, then select **Find File**). |
 | <kbd>y</kbd>      | Go to file permalink (only while viewing a file). |
 | <kbd>.</kbd>     | Open the [Web IDE](project/web_ide/index.md). |
@@ -122,15 +118,15 @@ These shortcuts are available when browsing the files in a project (go to
 
 These shortcuts are available when editing a file with the [Web IDE](project/web_ide/index.md):
 
-| Keyboard shortcut                                          | Description |
-|------------------------------------------------------------|-------------|
-| <kbd>⌘</kbd> (Mac) / <kbd>Control</kbd> + <kbd>p</kbd>     | Search for, and then open another file for editing. |
-| <kbd>⌘</kbd> (Mac) / <kbd>Control</kbd> + <kbd>Enter</kbd> | Commit (when editing the commit message). |
+| macOS shortcut                  | Windows shortcut    | Description |
+|---------------------------------|---------------------|-------------|
+| <kbd>Command</kbd> + <kbd>p</kbd>     | <kbd>Control</kbd> + <kbd>p</kbd> | Search for, and then open another file for editing. |
+| <kbd>Command</kbd> + <kbd>Enter</kbd> | <kbd>Control</kbd> + <kbd>Enter</kbd> | Commit (when editing the commit message). |
 
 ### Repository graph
 
 These shortcuts are available when viewing the project [repository graph](project/repository/index.md#repository-history-graph)
-page (navigate to **Repository > Graph**):
+page (go to **Repository > Graph**):
 
 | Keyboard shortcut                                                  | Description |
 |--------------------------------------------------------------------|-------------|
@@ -151,63 +147,64 @@ This shortcut is available when viewing a [wiki page](project/wiki/index.md):
 
 ### Content editor
 
-These shortcuts are available when editing a file with the [Content Editor](https://about.gitlab.com/direction/create/editor/content_editor/):
+These shortcuts are available when editing a file with the
+[Content Editor](https://about.gitlab.com/direction/create/editor/content_editor/):
 
-| Keyboard shortcut | Description |
-|-------------------|-------------|
-| <kbd>⌘</kbd> + <kbd>C</kbd> (Mac) / <kbd>Control</kbd> + <kbd>C</kbd> | Copy |
-| <kbd>⌘</kbd> + <kbd>X</kbd> (Mac) / <kbd>Control</kbd> + <kbd>X</kbd> | Cut |
-| <kbd>⌘</kbd> + <kbd>V</kbd> (Mac) / <kbd>Control</kbd> + <kbd>V</kbd> | Paste |
-| <kbd>⌘</kbd> + <kbd>Shift</kbd> + <kbd>V</kbd> (Mac) / <kbd>Control</kbd> + <kbd>Shift</kbd> + <kbd>V</kbd> | Paste without formatting |
-| <kbd>⌘</kbd> + <kbd>Z</kbd> (Mac) / <kbd>Control</kbd> + <kbd>Z</kbd> | Undo |
-| <kbd>⌘</kbd> + <kbd>Shift</kbd> + <kbd>V</kbd> (Mac) / <kbd>Control</kbd> + <kbd>Shift</kbd> + <kbd>V</kbd> | Redo |
-| <kbd>Shift</kbd> + <kbd>Enter</kbd> | Add a line break |
+| macOS shortcut | Windows shortcut | Description |
+|----------------|------------------|-------------|
+| <kbd>Command</kbd> + <kbd>C</kbd> | <kbd>Control</kbd> + <kbd>C</kbd> | Copy |
+| <kbd>Command</kbd> + <kbd>X</kbd> | <kbd>Control</kbd> + <kbd>X</kbd> | Cut |
+| <kbd>Command</kbd> + <kbd>V</kbd> | <kbd>Control</kbd> + <kbd>V</kbd> | Paste |
+| <kbd>Command</kbd> + <kbd>Shift</kbd> + <kbd>V</kbd> | <kbd>Control</kbd> + <kbd>Shift</kbd> + <kbd>V</kbd> | Paste without formatting |
+| <kbd>Command</kbd> + <kbd>Z</kbd> | <kbd>Control</kbd> + <kbd>Z</kbd> | Undo |
+| <kbd>Command</kbd> + <kbd>Shift</kbd> + <kbd>V</kbd> | <kbd>Control</kbd> + <kbd>Shift</kbd> + <kbd>V</kbd> | Redo |
+| <kbd>Shift</kbd> + <kbd>Enter</kbd> | <kbd>Shift</kbd> + <kbd>Enter</kbd> | Add a line break |
 
 #### Formatting
 
-| Mac | Windows/Linux | Description |
-|-----|---------------|-------------|
-| <kbd>⌘</kbd> + <kbd>b</kbd> | <kbd>Control</kbd> + <kbd>b</kbd>  | Bold |
-| <kbd>⌘</kbd> + <kbd>i</kbd> | <kbd>Control</kbd> + <kbd>i</kbd>   | Italic |
-| <kbd>⌘</kbd> + <kbd>Shift</kbd> + <kbd>s</kbd>  | <kbd>Control</kbd> + <kbd>Shift</kbd> + <kbd>s</kbd>   | Strikethrough |
-| <kbd>⌘</kbd> + <kbd>e</kbd> | <kbd>Control</kbd> + <kbd>e</kbd>   | Code |
-| <kbd>⌘</kbd> + <kbd>Alt</kbd> + <kbd>0</kbd> | <kbd>Control</kbd> + <kbd>Alt</kbd> + <kbd>0</kbd> | Apply normal text style |
-| <kbd>⌘</kbd> + <kbd>Alt</kbd> + <kbd>1</kbd> | <kbd>Control</kbd> + <kbd>Alt</kbd> + <kbd>1</kbd> | Apply heading style 1 |
-| <kbd>⌘</kbd> + <kbd>Alt</kbd> + <kbd>2</kbd> | <kbd>Control</kbd> + <kbd>Alt</kbd> + <kbd>2</kbd> | Apply heading style 2 |
-| <kbd>⌘</kbd> + <kbd>Alt</kbd> + <kbd>3</kbd> | <kbd>Control</kbd> + <kbd>Alt</kbd> + <kbd>3</kbd> | Apply heading style 3 |
-| <kbd>⌘</kbd> + <kbd>Alt</kbd> + <kbd>4</kbd> | <kbd>Control</kbd> + <kbd>Alt</kbd> + <kbd>4</kbd> | Apply heading style 4 |
-| <kbd>⌘</kbd> + <kbd>Alt</kbd> + <kbd>5</kbd> | <kbd>Control</kbd> + <kbd>Alt</kbd> + <kbd>5</kbd> | Apply heading style 5 |
-| <kbd>⌘</kbd> + <kbd>Alt</kbd> + <kbd>6</kbd> | <kbd>Control</kbd> + <kbd>Alt</kbd> + <kbd>6</kbd> | Apply heading style 6 |
-| <kbd>⌘</kbd> + <kbd>Shift</kbd> + <kbd>7</kbd> | <kbd>Control</kbd> + <kbd>Shift</kbd> + <kbd>7</kbd> | Ordered list |
-| <kbd>⌘</kbd> + <kbd>Shift</kbd> + <kbd>8</kbd> | <kbd>Control</kbd> + <kbd>Shift</kbd> + <kbd>7</kbd> | Bullet list |
-| <kbd>⌘</kbd> + <kbd>Shift</kbd> + <kbd>9</kbd> | <kbd>Control</kbd> + <kbd>Shift</kbd> + <kbd>7</kbd> | Task list |
-| <kbd>⌘</kbd> + <kbd>Shift</kbd> + <kbd>b</kbd> | <kbd>Control</kbd> + <kbd>Shift</kbd> + <kbd>b</kbd> | Blockquote |
-| <kbd>⌘</kbd> + <kbd>Alt</kbd> + <kbd>c</kbd> | <kbd>Control</kbd> + <kbd>Shift</kbd> + <kbd>c</kbd> | Code block |
-| <kbd>⌘</kbd> + <kbd>,</kbd> | <kbd>Control</kbd> + <kbd>,</kbd> | Subscript |
-| <kbd>⌘</kbd> + <kbd>.</kbd> | <kbd>Control</kbd> + <kbd>,</kbd> | Superscript |
-| <kbd>Tab</kbd> | | Indent list |
-| <kbd>Shift</kbd> + <kbd>Tab</kbd> | | Outdent list |
+| macOS shortcut | Windows/Linux shortcut | Description |
+|----------------|------------------------|-------------|
+| <kbd>Command</kbd> + <kbd>b</kbd> | <kbd>Control</kbd> + <kbd>b</kbd>  | Bold |
+| <kbd>Command</kbd> + <kbd>i</kbd> | <kbd>Control</kbd> + <kbd>i</kbd>   | Italic |
+| <kbd>Command</kbd> + <kbd>Shift</kbd> + <kbd>s</kbd>  | <kbd>Control</kbd> + <kbd>Shift</kbd> + <kbd>s</kbd>   | Strikethrough |
+| <kbd>Command</kbd> + <kbd>e</kbd> | <kbd>Control</kbd> + <kbd>e</kbd>   | Code |
+| <kbd>Command</kbd> + <kbd>Alt</kbd> + <kbd>0</kbd> | <kbd>Control</kbd> + <kbd>Alt</kbd> + <kbd>0</kbd> | Apply normal text style |
+| <kbd>Command</kbd> + <kbd>Alt</kbd> + <kbd>1</kbd> | <kbd>Control</kbd> + <kbd>Alt</kbd> + <kbd>1</kbd> | Apply heading style 1 |
+| <kbd>Command</kbd> + <kbd>Alt</kbd> + <kbd>2</kbd> | <kbd>Control</kbd> + <kbd>Alt</kbd> + <kbd>2</kbd> | Apply heading style 2 |
+| <kbd>Command</kbd> + <kbd>Alt</kbd> + <kbd>3</kbd> | <kbd>Control</kbd> + <kbd>Alt</kbd> + <kbd>3</kbd> | Apply heading style 3 |
+| <kbd>Command</kbd> + <kbd>Alt</kbd> + <kbd>4</kbd> | <kbd>Control</kbd> + <kbd>Alt</kbd> + <kbd>4</kbd> | Apply heading style 4 |
+| <kbd>Command</kbd> + <kbd>Alt</kbd> + <kbd>5</kbd> | <kbd>Control</kbd> + <kbd>Alt</kbd> + <kbd>5</kbd> | Apply heading style 5 |
+| <kbd>Command</kbd> + <kbd>Alt</kbd> + <kbd>6</kbd> | <kbd>Control</kbd> + <kbd>Alt</kbd> + <kbd>6</kbd> | Apply heading style 6 |
+| <kbd>Command</kbd> + <kbd>Shift</kbd> + <kbd>7</kbd> | <kbd>Control</kbd> + <kbd>Shift</kbd> + <kbd>7</kbd> | Ordered list |
+| <kbd>Command</kbd> + <kbd>Shift</kbd> + <kbd>8</kbd> | <kbd>Control</kbd> + <kbd>Shift</kbd> + <kbd>8</kbd> | Bullet list |
+| <kbd>Command</kbd> + <kbd>Shift</kbd> + <kbd>9</kbd> | <kbd>Control</kbd> + <kbd>Shift</kbd> + <kbd>9</kbd> | Task list |
+| <kbd>Command</kbd> + <kbd>Shift</kbd> + <kbd>b</kbd> | <kbd>Control</kbd> + <kbd>Shift</kbd> + <kbd>b</kbd> | Blockquote |
+| <kbd>Command</kbd> + <kbd>Alt</kbd> + <kbd>c</kbd> | <kbd>Control</kbd> + <kbd>Shift</kbd> + <kbd>c</kbd> | Code block |
+| <kbd>Command</kbd> + <kbd>,</kbd> | <kbd>Control</kbd> + <kbd>,</kbd> | Subscript |
+| <kbd>Command</kbd> + <kbd>.</kbd> | <kbd>Control</kbd> + <kbd>.</kbd> | Superscript |
+| <kbd>Tab</kbd> | <kbd>Tab</kbd> | Indent list |
+| <kbd>Shift</kbd> + <kbd>Tab</kbd> | <kbd>Shift</kbd> + <kbd>Tab</kbd> | Outdent list |
 
 #### Text selection
 
-| Keyboard shortcut | Description |
-|-------------------|-------------|
-| <kbd>⌘</kbd> + <kbd>a</kbd> (Mac) / <kbd>Control</kbd> + <kbd>a</kbd> | Select all |
-| <kbd>Shift</kbd> + <kbd>←</kbd> | Extend selection one character to left |
-| <kbd>Shift</kbd> + <kbd>→</kbd> | Extend selection one character to right |
-| <kbd>Shift</kbd> + <kbd>↑</kbd> | Extend selection one line up |
-| <kbd>Shift</kbd> + <kbd>↓</kbd> | Extend selection one line down |
-| <kbd>⌘</kbd> + <kbd>Shift</kbd> + <kbd>↑</kbd> (Mac) / <kbd>Control</kbd> + <kbd>Shift</kbd> + <kbd>↑</kbd> | Extend selection to the beginning of the document |
-| <kbd>⌘</kbd> + <kbd>Shift</kbd> + <kbd>↓</kbd> (Mac) / <kbd>Control</kbd> + <kbd>Shift</kbd> + <kbd>↓</kbd>  | Extend selection to the end of the document |
+| macOS shortcut | Windows shortcut | Description |
+|----------------|------------------|-------------|
+| <kbd>Command</kbd> + <kbd>a</kbd>     | <kbd>Control</kbd> + <kbd>a</kbd> | Select all |
+| <kbd>Shift</kbd> + <kbd>←</kbd> | <kbd>Shift</kbd> + <kbd>←</kbd> | Extend selection one character to left |
+| <kbd>Shift</kbd> + <kbd>→</kbd> | <kbd>Shift</kbd> + <kbd>→</kbd> | Extend selection one character to right |
+| <kbd>Shift</kbd> + <kbd>↑</kbd> | <kbd>Shift</kbd> + <kbd>↑</kbd> | Extend selection one line up |
+| <kbd>Shift</kbd> + <kbd>↓</kbd> | <kbd>Shift</kbd> + <kbd>↓</kbd> | Extend selection one line down |
+| <kbd>Command</kbd> + <kbd>Shift</kbd> + <kbd>↑</kbd> | <kbd>Control</kbd> + <kbd>Shift</kbd> + <kbd>↑</kbd> | Extend selection to the beginning of the document |
+| <kbd>Command</kbd> + <kbd>Shift</kbd> + <kbd>↓</kbd> | <kbd>Control</kbd> + <kbd>Shift</kbd> + <kbd>↓</kbd>  | Extend selection to the end of the document |
 
 ### Filtered search
 
 These shortcuts are available when using a [filtered search input](search/index.md):
 
-| Keyboard shortcut                                      | Description |
-|--------------------------------------------------------|-------------|
-| <kbd>⌘</kbd> (Mac) + <kbd>⌫</kbd>                      | Clear entire search filter. |
-| <kbd>⌥</kbd> (Mac) / <kbd>Control</kbd> + <kbd>⌫</kbd> | Clear one token at a time. |
+| macOS shortcut       | Windows shortcut                       | Description |
+|----------------------|----------------------------------------|-------------|
+| <kbd>Command</kbd>   | <kbd>Delete</kbd>                      | Clear entire search filter. |
+| <kbd>Option</kbd>    | <kbd>Control</kbd> + <kbd>Delete</kbd> | Clear one token at a time. |
 
 ## Epics **(PREMIUM)**
 
@@ -218,3 +215,13 @@ These shortcuts are available when viewing [epics](group/epics/index.md):
 | <kbd>r</kbd>      | Start writing a comment. Pre-selected text is quoted in the comment. Can't be used to reply in a thread. |
 | <kbd>e</kbd>      | Edit description. |
 | <kbd>l</kbd>      | Change label. |
+
+## Disable keyboard shortcuts
+
+> [Introduced](https://gitlab.com/gitlab-org/gitlab/-/issues/22113) in GitLab 12.8.
+
+To disable keyboard shortcuts:
+
+1. While viewing a page that supports keyboard shortcuts, and outside a text box,
+press <kbd>?</kbd> to display the list of shortcuts.
+1. Select **Toggle shortcuts**.
diff --git a/lib/gitlab/form_builders/gitlab_ui_form_builder.rb b/lib/gitlab/form_builders/gitlab_ui_form_builder.rb
index 3f9053d4e0c..e8e87a864cc 100644
--- a/lib/gitlab/form_builders/gitlab_ui_form_builder.rb
+++ b/lib/gitlab/form_builders/gitlab_ui_form_builder.rb
@@ -16,13 +16,15 @@ module Gitlab
           :div,
           class: 'gl-form-checkbox custom-control custom-checkbox'
         ) do
+          value = checkbox_options[:multiple] ? checked_value : nil
+
           @template.check_box(
             @object_name,
             method,
             format_options(checkbox_options, ['custom-control-input']),
             checked_value,
             unchecked_value
-          ) + generic_label(method, label, label_options, help_text: help_text)
+          ) + generic_label(method, label, label_options, help_text: help_text, value: value)
         end
       end
 
diff --git a/locale/gitlab.pot b/locale/gitlab.pot
index dacefd95f31..078676de77d 100644
--- a/locale/gitlab.pot
+++ b/locale/gitlab.pot
@@ -19681,6 +19681,9 @@ msgstr ""
 msgid "Integrations|Comment settings:"
 msgstr ""
 
+msgid "Integrations|Connection details"
+msgstr ""
+
 msgid "Integrations|Connection failed. Please check your settings."
 msgstr ""
 
@@ -20932,7 +20935,7 @@ msgstr ""
 msgid "JiraService|Work on Jira issues without leaving GitLab. Adds a Jira menu to access your list of Jira issues and view any issue as read-only."
 msgstr ""
 
-msgid "JiraService|You need to configure Jira before enabling this integration. For more details, read the %{jira_doc_link_start}Jira integration documentation%{link_end}."
+msgid "JiraService|You must configure Jira before enabling this integration. For more details, read the %{jira_doc_link_start}Jira integration documentation%{link_end}."
 msgstr ""
 
 msgid "Job"
diff --git a/spec/frontend/pages/shared/wikis/components/wiki_form_spec.js b/spec/frontend/pages/shared/wikis/components/wiki_form_spec.js
index 1f964e8bae2..e118a35804f 100644
--- a/spec/frontend/pages/shared/wikis/components/wiki_form_spec.js
+++ b/spec/frontend/pages/shared/wikis/components/wiki_form_spec.js
@@ -154,6 +154,20 @@ describe('WikiForm', () => {
     expect(findContent().element.value).toBe('  My page content  ');
   });
 
+  it.each`
+    format        | enabled  | action
+    ${'markdown'} | ${true}  | ${'displays'}
+    ${'rdoc'}     | ${false} | ${'hides'}
+    ${'asciidoc'} | ${false} | ${'hides'}
+    ${'org'}      | ${false} | ${'hides'}
+  `('$action preview in the markdown field when format is $format', async ({ format, enabled }) => {
+    createWrapper();
+
+    await setFormat(format);
+
+    expect(findClassicEditor().props('enablePreview')).toBe(enabled);
+  });
+
   it.each`
     value         | text
     ${'markdown'} | ${'[Link Title](page-slug)'}
diff --git a/spec/frontend/snippets/components/__snapshots__/snippet_description_edit_spec.js.snap b/spec/frontend/snippets/components/__snapshots__/snippet_description_edit_spec.js.snap
index c193bb08543..2b26c306c68 100644
--- a/spec/frontend/snippets/components/__snapshots__/snippet_description_edit_spec.js.snap
+++ b/spec/frontend/snippets/components/__snapshots__/snippet_description_edit_spec.js.snap
@@ -29,6 +29,7 @@ exports[`Snippet Description Edit component rendering matches the snapshot 1`] =
     >
       <markdown-header-stub
         data-testid="markdownHeader"
+        enablepreview="true"
         linecontent=""
         suggestionstartindex="0"
       />
diff --git a/spec/frontend/vue_shared/components/markdown/field_spec.js b/spec/frontend/vue_shared/components/markdown/field_spec.js
index c7ad47b6ef7..cf8933129ac 100644
--- a/spec/frontend/vue_shared/components/markdown/field_spec.js
+++ b/spec/frontend/vue_shared/components/markdown/field_spec.js
@@ -4,6 +4,7 @@ import $ from 'jquery';
 import { TEST_HOST, FIXTURES_PATH } from 'spec/test_constants';
 import axios from '~/lib/utils/axios_utils';
 import MarkdownField from '~/vue_shared/components/markdown/field.vue';
+import MarkdownFieldHeader from '~/vue_shared/components/markdown/header.vue';
 import { mountExtended } from 'helpers/vue_test_utils_helper';
 
 const markdownPreviewPath = `${TEST_HOST}/preview`;
@@ -32,7 +33,7 @@ describe('Markdown field component', () => {
     axiosMock.restore();
   });
 
-  function createSubject(lines = []) {
+  function createSubject({ lines = [], enablePreview = true } = {}) {
     // We actually mount a wrapper component so that we can force Vue to rerender classes in order to test a regression
     // caused by mixing Vanilla JS and Vue.
     subject = mountExtended(
@@ -61,6 +62,7 @@ describe('Markdown field component', () => {
           isSubmitting: false,
           textareaValue,
           lines,
+          enablePreview,
         },
         provide: {
           glFeatures: {
@@ -272,11 +274,22 @@ describe('Markdown field component', () => {
 
   describe('suggestions', () => {
     it('escapes new line characters', () => {
-      createSubject([{ rich_text: 'hello world\\n' }]);
+      createSubject({ lines: [{ rich_text: 'hello world\\n' }] });
 
       expect(subject.find('[data-testid="markdownHeader"]').props('lineContent')).toBe(
         'hello world%br',
       );
     });
   });
+
+  it('allows enabling and disabling Markdown Preview', () => {
+    createSubject({ enablePreview: false });
+
+    expect(subject.findComponent(MarkdownFieldHeader).props('enablePreview')).toBe(false);
+
+    subject.destroy();
+    createSubject({ enablePreview: true });
+
+    expect(subject.findComponent(MarkdownFieldHeader).props('enablePreview')).toBe(true);
+  });
 });
diff --git a/spec/frontend/vue_shared/components/markdown/header_spec.js b/spec/frontend/vue_shared/components/markdown/header_spec.js
index 700ec75fcee..61d9a2d31b4 100644
--- a/spec/frontend/vue_shared/components/markdown/header_spec.js
+++ b/spec/frontend/vue_shared/components/markdown/header_spec.js
@@ -157,4 +157,12 @@ describe('Markdown field header component', () => {
 
     expect(wrapper.find('.js-suggestion-btn').exists()).toBe(false);
   });
+
+  it('hides preview tab when previewMarkdown property is false', () => {
+    createWrapper({
+      enablePreview: false,
+    });
+
+    expect(wrapper.findByTestId('preview-tab').exists()).toBe(false);
+  });
 });
diff --git a/spec/lib/gitlab/auth/o_auth/provider_spec.rb b/spec/lib/gitlab/auth/o_auth/provider_spec.rb
index 57f17365190..c1b96819176 100644
--- a/spec/lib/gitlab/auth/o_auth/provider_spec.rb
+++ b/spec/lib/gitlab/auth/o_auth/provider_spec.rb
@@ -62,7 +62,7 @@ RSpec.describe Gitlab::Auth::OAuth::Provider do
 
     context 'for an OmniAuth provider' do
       before do
-        provider = OpenStruct.new(
+        provider = ActiveSupport::InheritableOptions.new(
           name: 'google_oauth2',
           app_id: 'asd123',
           app_secret: 'asd123'
@@ -74,7 +74,7 @@ RSpec.describe Gitlab::Auth::OAuth::Provider do
         subject { described_class.config_for('google_oauth2') }
 
         it 'returns the config' do
-          expect(subject).to be_a(OpenStruct)
+          expect(subject).to be_a(ActiveSupport::InheritableOptions)
         end
 
         it 'merges defaults with the given configuration' do
@@ -98,7 +98,7 @@ RSpec.describe Gitlab::Auth::OAuth::Provider do
     context 'when configuration specifies a custom label' do
       let(:name) { 'google_oauth2' }
       let(:label) { 'Custom Google Provider' }
-      let(:provider) { OpenStruct.new({ 'name' => name, 'label' => label }) }
+      let(:provider) { ActiveSupport::InheritableOptions.new(name: name, label: label) }
 
       before do
         stub_omniauth_setting(providers: [provider])
@@ -110,7 +110,7 @@ RSpec.describe Gitlab::Auth::OAuth::Provider do
     end
 
     context 'when configuration does not specify a custom label' do
-      let(:provider) { OpenStruct.new({ 'name' => name } ) }
+      let(:provider) { ActiveSupport::InheritableOptions.new(name: name) }
 
       before do
         stub_omniauth_setting(providers: [provider])
diff --git a/spec/lib/gitlab/form_builders/gitlab_ui_form_builder_spec.rb b/spec/lib/gitlab/form_builders/gitlab_ui_form_builder_spec.rb
index e160e88487b..a5f26a212ab 100644
--- a/spec/lib/gitlab/form_builders/gitlab_ui_form_builder_spec.rb
+++ b/spec/lib/gitlab/form_builders/gitlab_ui_form_builder_spec.rb
@@ -78,6 +78,29 @@ RSpec.describe Gitlab::FormBuilders::GitlabUiFormBuilder do
         expect(fake_template).to have_received(:label).with(:user, :view_diffs_file_by_file, { class: %w(custom-control-label label-foo-bar), object: user, value: nil })
       end
     end
+
+    context 'with checkbox_options: { multiple: true }' do
+      let(:optional_args) do
+        {
+          checkbox_options: { multiple: true },
+          checked_value: 'one',
+          unchecked_value: false
+        }
+      end
+
+      it 'renders labels with correct for attributes' do
+        expected_html = <<~EOS
+          <div class="gl-form-checkbox custom-control custom-checkbox">
+            <input class="custom-control-input" type="checkbox" value="one" name="user[view_diffs_file_by_file][]" id="user_view_diffs_file_by_file_one" />
+            <label class="custom-control-label" for="user_view_diffs_file_by_file_one">
+              Show one file at a time on merge request&#39;s Changes tab
+            </label>
+          </div>
+        EOS
+
+        expect(checkbox_html).to eq(html_strip_whitespace(expected_html))
+      end
+    end
   end
 
   describe '#gitlab_ui_radio_component' do
diff --git a/spec/serializers/service_field_entity_spec.rb b/spec/serializers/service_field_entity_spec.rb
index a06fdf95159..3a574c522b0 100644
--- a/spec/serializers/service_field_entity_spec.rb
+++ b/spec/serializers/service_field_entity_spec.rb
@@ -20,6 +20,7 @@ RSpec.describe ServiceFieldEntity do
 
         it 'exposes correct attributes' do
           expected_hash = {
+            section: 'connection',
             type: 'text',
             name: 'username',
             title: 'Username or Email',
@@ -40,6 +41,7 @@ RSpec.describe ServiceFieldEntity do
 
         it 'exposes correct attributes but hides password' do
           expected_hash = {
+            section: 'connection',
             type: 'password',
             name: 'password',
             title: 'Enter new password or API token',
@@ -64,6 +66,7 @@ RSpec.describe ServiceFieldEntity do
 
         it 'exposes correct attributes and casts value to Boolean' do
           expected_hash = {
+            section: nil,
             type: 'checkbox',
             name: 'send_from_committer_email',
             title: 'Send from committer',
@@ -84,6 +87,7 @@ RSpec.describe ServiceFieldEntity do
 
         it 'exposes correct attributes' do
           expected_hash = {
+            section: nil,
             type: 'select',
             name: 'branches_to_be_notified',
             title: 'Branches for which notifications are to be sent',