diff --git a/.gitlab/issue_templates/Feature proposal.md b/.gitlab/issue_templates/Feature proposal.md
index acec5089999..45b5fc85cd1 100644
--- a/.gitlab/issue_templates/Feature proposal.md	
+++ b/.gitlab/issue_templates/Feature proposal.md	
@@ -47,7 +47,7 @@ https://about.gitlab.com/handbook/engineering/ux/ux-research-training/user-story
 
 ### Documentation
 
-<!-- See the Feature Change Documentation Workflow https://docs.gitlab.com/ee/development/documentation/feature-change-workflow.html
+<!-- See the Feature Change Documentation Workflow https://docs.gitlab.com/ee/development/documentation/workflow.html#for-a-product-change
 
 * Add all known Documentation Requirements in this section. See https://docs.gitlab.com/ee/development/documentation/feature-change-workflow.html#documentation-requirements
 * If this feature requires changing permissions, update the permissions document. See https://docs.gitlab.com/ee/user/permissions.html -->
diff --git a/app/assets/javascripts/alert_management/components/alert_management_list.vue b/app/assets/javascripts/alert_management/components/alert_management_list.vue
index bd60dd45261..5ea51bef496 100644
--- a/app/assets/javascripts/alert_management/components/alert_management_list.vue
+++ b/app/assets/javascripts/alert_management/components/alert_management_list.vue
@@ -1,10 +1,9 @@
 <script>
 import { GlEmptyState, GlDeprecatedButton, GlLoadingIcon, GlTable, GlAlert } from '@gitlab/ui';
 import { s__ } from '~/locale';
+import TimeAgo from '~/vue_shared/components/time_ago_tooltip.vue';
 import getAlerts from '../graphql/queries/getAlerts.query.graphql';
 
-const tdClass = 'table-col d-flex';
-
 export default {
   i18n: {
     noAlertsMsg: s__(
@@ -18,33 +17,29 @@ export default {
     {
       key: 'severity',
       label: s__('AlertManagement|Severity'),
-      tdClass,
     },
     {
-      key: 'start_time',
-      label: s__('AlertManagement|Start Time'),
-      tdClass,
+      key: 'startedAt',
+      label: s__('AlertManagement|Start time'),
     },
     {
-      key: 'end_time',
-      label: s__('AlertManagement|End Time'),
-      tdClass,
+      key: 'endedAt',
+      label: s__('AlertManagement|End time'),
     },
     {
-      key: 'alert',
+      key: 'title',
       label: s__('AlertManagement|Alert'),
       thClass: 'w-30p',
-      tdClass,
     },
     {
-      key: 'events',
+      key: 'eventCount',
       label: s__('AlertManagement|Events'),
-      tdClass,
+      thClass: 'text-right event-count',
+      tdClass: 'text-right event-count',
     },
     {
       key: 'status',
       label: s__('AlertManagement|Status'),
-      tdClass,
     },
   ],
   components: {
@@ -53,9 +48,10 @@ export default {
     GlTable,
     GlAlert,
     GlDeprecatedButton,
+    TimeAgo,
   },
   props: {
-    indexPath: {
+    projectPath: {
       type: String,
       required: true,
     },
@@ -81,9 +77,12 @@ export default {
       query: getAlerts,
       variables() {
         return {
-          projectPath: this.indexPath,
+          projectPath: this.projectPath,
         };
       },
+      update(data) {
+        return data.project.alertManagementAlerts.nodes;
+      },
       error() {
         this.errored = true;
       },
@@ -128,18 +127,34 @@ export default {
         :show-empty="true"
         :busy="loading"
         fixed
-        stacked="sm"
-        tbody-tr-class="table-row mb-4"
+        stacked="md"
       >
+        <template #cell(startedAt)="{ item }">
+          <time-ago :time="item.startedAt" />
+        </template>
+
+        <template #cell(endedAt)="{ item }">
+          <time-ago :time="item.endedAt" />
+        </template>
+
+        <template #cell(title)="{ item }">
+          <div class="gl-max-w-full text-truncate">{{ item.title }}</div>
+        </template>
+
         <template #empty>
           {{ s__('AlertManagement|No alerts to display.') }}
         </template>
+
         <template #table-busy>
           <gl-loading-icon size="lg" color="dark" class="mt-3" />
         </template>
       </gl-table>
     </div>
-    <gl-empty-state v-else :title="__('Surface alerts in GitLab')" :svg-path="emptyAlertSvgPath">
+    <gl-empty-state
+      v-else
+      :title="__('AlertManagement|Surface alerts in GitLab')"
+      :svg-path="emptyAlertSvgPath"
+    >
       <template #description>
         <div class="d-block">
           <span>{{
diff --git a/app/assets/javascripts/alert_management/graphql/fragments/listItem.fragment.graphql b/app/assets/javascripts/alert_management/graphql/fragments/listItem.fragment.graphql
index 077624aa052..fffe07b0cfd 100644
--- a/app/assets/javascripts/alert_management/graphql/fragments/listItem.fragment.graphql
+++ b/app/assets/javascripts/alert_management/graphql/fragments/listItem.fragment.graphql
@@ -1,9 +1,9 @@
-fragment AlertListItem on Alert {
+fragment AlertListItem on AlertManagementAlert {
   iid
   title
   severity
   status
-  started_at
-  ended_at
-  event_count
+  startedAt
+  endedAt
+  eventCount
 }
diff --git a/app/assets/javascripts/alert_management/graphql/queries/getAlerts.query.graphql b/app/assets/javascripts/alert_management/graphql/queries/getAlerts.query.graphql
index fbf74e362ce..5fbc235f9d6 100644
--- a/app/assets/javascripts/alert_management/graphql/queries/getAlerts.query.graphql
+++ b/app/assets/javascripts/alert_management/graphql/queries/getAlerts.query.graphql
@@ -1,11 +1,11 @@
 #import "../fragments/listItem.fragment.graphql"
 
-query getAlerts(
-  $projectPath: ID!
-) {
+query getAlerts($projectPath: ID!) {
   project(fullPath: $projectPath) {
-    alerts {
-     ...AlertListItem
+    alertManagementAlerts {
+      nodes {
+        ...AlertListItem
+      }
     }
   }
 }
diff --git a/app/assets/javascripts/alert_management/list.js b/app/assets/javascripts/alert_management/list.js
index 3de4ebd96f8..ba3e60354de 100644
--- a/app/assets/javascripts/alert_management/list.js
+++ b/app/assets/javascripts/alert_management/list.js
@@ -10,7 +10,7 @@ export default () => {
   const selector = '#js-alert_management';
 
   const domEl = document.querySelector(selector);
-  const { indexPath, enableAlertManagementPath, emptyAlertSvgPath } = domEl.dataset;
+  const { projectPath, enableAlertManagementPath, emptyAlertSvgPath } = domEl.dataset;
   let { alertManagementEnabled, userCanEnableAlertManagement } = domEl.dataset;
 
   alertManagementEnabled = parseBoolean(alertManagementEnabled);
@@ -29,7 +29,7 @@ export default () => {
     render(createElement) {
       return createElement('alert-management-list', {
         props: {
-          indexPath,
+          projectPath,
           enableAlertManagementPath,
           emptyAlertSvgPath,
           alertManagementEnabled,
diff --git a/app/assets/javascripts/diffs/store/mutation_types.js b/app/assets/javascripts/diffs/store/mutation_types.js
index 699c61b3ddd..4b1dbc34902 100644
--- a/app/assets/javascripts/diffs/store/mutation_types.js
+++ b/app/assets/javascripts/diffs/store/mutation_types.js
@@ -41,6 +41,8 @@ export const SET_CURRENT_VIEW_DIFF_FILE_LINES = 'SET_CURRENT_VIEW_DIFF_FILE_LINE
 export const ADD_CURRENT_VIEW_DIFF_FILE_LINES = 'ADD_CURRENT_VIEW_DIFF_FILE_LINES';
 export const TOGGLE_DIFF_FILE_RENDERING_MORE = 'TOGGLE_DIFF_FILE_RENDERING_MORE';
 
+export const SET_DIFF_FILE_VIEWER = 'SET_DIFF_FILE_VIEWER';
+
 export const SET_SHOW_SUGGEST_POPOVER = 'SET_SHOW_SUGGEST_POPOVER';
 
 export const TOGGLE_LINE_DISCUSSIONS = 'TOGGLE_LINE_DISCUSSIONS';
diff --git a/app/assets/javascripts/diffs/store/mutations.js b/app/assets/javascripts/diffs/store/mutations.js
index 104686993a8..7e89d041c21 100644
--- a/app/assets/javascripts/diffs/store/mutations.js
+++ b/app/assets/javascripts/diffs/store/mutations.js
@@ -383,6 +383,11 @@ export default {
 
     file.renderingLines = !file.renderingLines;
   },
+  [types.SET_DIFF_FILE_VIEWER](state, { filePath, viewer }) {
+    const file = findDiffFile(state.diffFiles, filePath, 'file_path');
+
+    file.viewer = viewer;
+  },
   [types.SET_SHOW_SUGGEST_POPOVER](state) {
     state.showSuggestPopover = false;
   },
diff --git a/app/assets/stylesheets/pages/alerts_list.scss b/app/assets/stylesheets/pages/alerts_list.scss
index 74a5031a343..8546049168f 100644
--- a/app/assets/stylesheets/pages/alerts_list.scss
+++ b/app/assets/stylesheets/pages/alerts_list.scss
@@ -1,12 +1,16 @@
-// these styles need to be deleted once GlTable component looks in GitLab same as in @gitlab/ui
 .alert-management-list {
+  // these styles need to be deleted once GlTable component looks in GitLab same as in @gitlab/ui
   table {
     color: $gray-700;
 
     tr {
       td,
       th {
-        @include gl-p-4;
+        @include gl-p-5;
+
+        &.event-count {
+          @include gl-pr-9;
+        }
       }
 
       th {
@@ -18,8 +22,10 @@
         border-color: $gray-100;
       }
 
-      td {
-        @include gl-border-0;
+      &:last-child {
+        td {
+          @include gl-border-0;
+        }
       }
     }
   }
diff --git a/app/channels/application_cable/channel.rb b/app/channels/application_cable/channel.rb
new file mode 100644
index 00000000000..9aec2305390
--- /dev/null
+++ b/app/channels/application_cable/channel.rb
@@ -0,0 +1,6 @@
+# frozen_string_literal: true
+
+module ApplicationCable
+  class Channel < ActionCable::Channel::Base
+  end
+end
diff --git a/app/channels/application_cable/connection.rb b/app/channels/application_cable/connection.rb
new file mode 100644
index 00000000000..87c833f3593
--- /dev/null
+++ b/app/channels/application_cable/connection.rb
@@ -0,0 +1,22 @@
+# frozen_string_literal: true
+
+module ApplicationCable
+  class Connection < ActionCable::Connection::Base
+    identified_by :current_user
+
+    def connect
+      self.current_user = find_user_from_session_store
+    end
+
+    private
+
+    def find_user_from_session_store
+      session = ActiveSession.sessions_from_ids([session_id]).first
+      Warden::SessionSerializer.new('rack.session' => session).fetch(:user)
+    end
+
+    def session_id
+      Rack::Session::SessionId.new(cookies[Gitlab::Application.config.session_options[:key]])
+    end
+  end
+end
diff --git a/app/channels/issues_channel.rb b/app/channels/issues_channel.rb
new file mode 100644
index 00000000000..5f3909b7716
--- /dev/null
+++ b/app/channels/issues_channel.rb
@@ -0,0 +1,13 @@
+# frozen_string_literal: true
+
+class IssuesChannel < ApplicationCable::Channel
+  def subscribed
+    project = Project.find_by_full_path(params[:project_path])
+    return reject unless project
+
+    issue = project.issues.find_by_iid(params[:iid])
+    return reject unless issue && Ability.allowed?(current_user, :read_issue, issue)
+
+    stream_for issue
+  end
+end
diff --git a/app/helpers/projects/alert_management_helper.rb b/app/helpers/projects/alert_management_helper.rb
index 6aadc18ac3a..54184d99294 100644
--- a/app/helpers/projects/alert_management_helper.rb
+++ b/app/helpers/projects/alert_management_helper.rb
@@ -3,8 +3,7 @@
 module Projects::AlertManagementHelper
   def alert_management_data(current_user, project)
     {
-      'index-path' => project_alert_management_index_path(project,
-                                                        format: :json),
+      'project-path' => project.full_path,
       'enable-alert-management-path' => project_settings_operations_path(project),
       'empty-alert-svg-path' => image_path('illustrations/alert-management-empty-state.svg'),
       'user-can-enable-alert-management' => 'false',
diff --git a/app/models/active_session.rb b/app/models/active_session.rb
index 050155398ab..065bd5507be 100644
--- a/app/models/active_session.rb
+++ b/app/models/active_session.rb
@@ -124,7 +124,7 @@ class ActiveSession
     end
   end
 
-  # Lists the ActiveSession objects for the given session IDs.
+  # Lists the session Hash objects for the given session IDs.
   #
   # session_ids - An array of Rack::Session::SessionId objects
   #
@@ -143,7 +143,7 @@ class ActiveSession
     end
   end
 
-  # Deserializes an ActiveSession object from Redis.
+  # Deserializes a session Hash object from Redis.
   #
   # raw_session - Raw bytes from Redis
   #
diff --git a/app/models/application_setting.rb b/app/models/application_setting.rb
index 5e5e9abcc42..f9481db2268 100644
--- a/app/models/application_setting.rb
+++ b/app/models/application_setting.rb
@@ -5,10 +5,13 @@ class ApplicationSetting < ApplicationRecord
   include CacheMarkdownField
   include TokenAuthenticatable
   include ChronicDurationAttribute
+  include IgnorableColumns
 
   GRAFANA_URL_ERROR_MESSAGE = 'Please check your Grafana URL setting in ' \
     'Admin Area > Settings > Metrics and profiling > Metrics - Grafana'
 
+  ignore_column :elasticsearch_experimental_indexer, remove_with: '13.1', remove_after: '2020-05-22'
+
   add_authentication_token_field :runners_registration_token, encrypted: -> { Feature.enabled?(:application_settings_tokens_optional_encryption, default_enabled: true) ? :optional : :required }
   add_authentication_token_field :health_check_access_token
   add_authentication_token_field :static_objects_external_storage_auth_token
diff --git a/app/policies/project_policy.rb b/app/policies/project_policy.rb
index 442d07dcb62..52099bbd0b8 100644
--- a/app/policies/project_policy.rb
+++ b/app/policies/project_policy.rb
@@ -224,6 +224,7 @@ class ProjectPolicy < BasePolicy
     enable :read_build
     enable :read_container_image
     enable :read_pipeline
+    enable :read_pipeline_schedule
     enable :read_environment
     enable :read_deployment
     enable :read_merge_request
@@ -281,7 +282,6 @@ class ProjectPolicy < BasePolicy
     enable :update_commit_status
     enable :create_build
     enable :update_build
-    enable :read_pipeline_schedule
     enable :create_merge_request_from
     enable :create_wiki
     enable :push_code
@@ -422,6 +422,7 @@ class ProjectPolicy < BasePolicy
     prevent :fork_project
     prevent :read_commit_status
     prevent :read_pipeline
+    prevent :read_pipeline_schedule
     prevent(*create_read_update_admin_destroy(:release))
   end
 
@@ -448,6 +449,7 @@ class ProjectPolicy < BasePolicy
     enable :read_merge_request
     enable :read_note
     enable :read_pipeline
+    enable :read_pipeline_schedule
     enable :read_commit_status
     enable :read_container_image
     enable :download_code
@@ -466,6 +468,7 @@ class ProjectPolicy < BasePolicy
 
   rule { public_builds & can?(:guest_access) }.policy do
     enable :read_pipeline
+    enable :read_pipeline_schedule
   end
 
   # These rules are included to allow maintainers of projects to push to certain
diff --git a/app/services/issues/update_service.rb b/app/services/issues/update_service.rb
index 78ebbd7bff2..ee1a22634af 100644
--- a/app/services/issues/update_service.rb
+++ b/app/services/issues/update_service.rb
@@ -21,6 +21,10 @@ module Issues
       spam_check(issue, current_user) unless skip_spam_check
     end
 
+    def after_update(issue)
+      IssuesChannel.broadcast_to(issue, event: 'updated') if Feature.enabled?(:broadcast_issue_updates, issue.project)
+    end
+
     def handle_changes(issue, options)
       old_associations = options.fetch(:old_associations, {})
       old_labels = old_associations.fetch(:labels, [])
diff --git a/changelogs/unreleased/allow_public_view_of_pipeline_schedules.yml b/changelogs/unreleased/allow_public_view_of_pipeline_schedules.yml
new file mode 100644
index 00000000000..e931e935501
--- /dev/null
+++ b/changelogs/unreleased/allow_public_view_of_pipeline_schedules.yml
@@ -0,0 +1,5 @@
+---
+title: Allow public access to pipeline schedules
+merge_request: 20806
+author: Lee Tickett
+type: fixed
diff --git a/changelogs/unreleased/sh-disable-schema-dump-prod.yml b/changelogs/unreleased/sh-disable-schema-dump-prod.yml
new file mode 100644
index 00000000000..145b1c3d4c6
--- /dev/null
+++ b/changelogs/unreleased/sh-disable-schema-dump-prod.yml
@@ -0,0 +1,5 @@
+---
+title: Disable schema dumping after migrations in production
+merge_request: 30812
+author:
+type: fixed
diff --git a/config/cable.yml.example b/config/cable.yml.example
new file mode 100644
index 00000000000..ee3a8da9be8
--- /dev/null
+++ b/config/cable.yml.example
@@ -0,0 +1,14 @@
+# This file is used for configuring ActionCable in our CI environment
+# When using GDK or Omnibus, cable.yml is generated from a different template
+development:
+  adapter: redis
+  url: redis://localhost:6379
+  channel_prefix: gitlab_development
+test:
+  adapter: redis
+  url: redis://localhost:6379
+  channel_prefix: gitlab_test
+production:
+  adapter: redis
+  url: unix:/var/run/redis/redis.sock
+  channel_prefix: gitlab_production
diff --git a/config/environments/production.rb b/config/environments/production.rb
index 7ec18547b2f..c03421040a3 100644
--- a/config/environments/production.rb
+++ b/config/environments/production.rb
@@ -52,6 +52,9 @@ Rails.application.configure do
   # Enable serving of images, stylesheets, and JavaScripts from an asset server
   config.action_controller.asset_host = ENV['GITLAB_CDN_HOST'] if ENV['GITLAB_CDN_HOST'].present?
 
+  # Do not dump schema after migrations.
+  config.active_record.dump_schema_after_migration = false
+
   # Precompile additional assets (application.js, application.css, and all non-JS/CSS are already added)
   # config.assets.precompile += %w( search.js )
 
diff --git a/doc/development/fe_guide/style/scss.md b/doc/development/fe_guide/style/scss.md
index 66fbbd1cb0c..b5e73050d6f 100644
--- a/doc/development/fe_guide/style/scss.md
+++ b/doc/development/fe_guide/style/scss.md
@@ -77,6 +77,24 @@ CSS classes should use the `lowercase-hyphenated` format rather than
 }
 ```
 
+Class names should be used instead of tag name selectors.
+Using tag name selectors are discouraged in CSS because
+they can affect unintended elements in the hierarchy.
+Also, since they are not meaningful names, they do not
+add meaning to the code.
+
+```scss
+// Bad
+ul {
+  color: #fff;
+}
+
+// Good
+.class-name {
+  color: #fff;
+}
+```
+
 ### Formatting
 
 You should always use a space before a brace, braces should be on the same
diff --git a/doc/topics/git/index.md b/doc/topics/git/index.md
index 84f9d7f1c4a..9e6875312f3 100644
--- a/doc/topics/git/index.md
+++ b/doc/topics/git/index.md
@@ -27,12 +27,18 @@ The following resources will help you get started with Git:
 - [Git on the Server - GitLab](https://git-scm.com/book/en/v2/Git-on-the-Server-GitLab)
 - [How to install Git](how_to_install_git/index.md)
 - [Start using Git on the command line](../../gitlab-basics/start-using-git.md)
-- [Command Line basic commands](../../gitlab-basics/command-line-commands.md)
+- [Command line file editing basic commands](../../gitlab-basics/command-line-commands.md)
 - [GitLab Git Cheat Sheet (download)](https://about.gitlab.com/images/press/git-cheat-sheet.pdf)
 - Commits:
   - [Revert a commit](../../user/project/merge_requests/revert_changes.md#reverting-a-commit)
   - [Cherry-picking a commit](../../user/project/merge_requests/cherry_pick_changes.md#cherry-picking-a-commit)
   - [Squashing commits](../gitlab_flow.md#squashing-commits-with-rebase)
+  - [Squash-and-merge](../../user/project/merge_requests/squash_and_merge.md)
+  - [Signing commits](../../user/project/repository/gpg_signed_commits/index.md)
+- [Git stash](../../university/training/topics/stash.md)
+- [Git file blame](../../user/project/repository/git_blame.md)
+- [Git file history](../../user/project/repository/git_history.md)
+- [Git tags](../../university/training/user_training.md#tags)
 
 ### Concepts
 
@@ -61,9 +67,10 @@ If you have problems with Git, the following may help:
 
 ## Branching strategies
 
+- [Feature branch workflow](../../gitlab-basics/feature_branch_workflow.md)
+- [GitLab Flow](../gitlab_flow.md)
 - [Git Branching - Branches in a Nutshell](https://git-scm.com/book/en/v2/Git-Branching-Branches-in-a-Nutshell)
 - [Git Branching - Branching Workflows](https://git-scm.com/book/en/v2/Git-Branching-Branching-Workflows)
-- [GitLab Flow](https://about.gitlab.com/blog/2014/09/29/gitlab-flow/)
 
 ## Advanced use
 
@@ -88,5 +95,5 @@ The following relate to Git Large File Storage:
 - [Removing objects from LFS](lfs/index.md#removing-objects-from-lfs)
 - [GitLab Git LFS user documentation](lfs/index.md)
 - [GitLab Git LFS admin documentation](../../administration/lfs/index.md)
-- [git-annex to Git-LFS migration guide](lfs/migrate_from_git_annex_to_git_lfs.md)
+- [Git Annex to Git LFS migration guide](lfs/migrate_from_git_annex_to_git_lfs.md)
 - [Towards a production quality open source Git LFS server](https://about.gitlab.com/blog/2015/08/13/towards-a-production-quality-open-source-git-lfs-server/)
diff --git a/lib/gitlab/experimentation.rb b/lib/gitlab/experimentation.rb
index 751b4babcbe..5b57d7929a6 100644
--- a/lib/gitlab/experimentation.rb
+++ b/lib/gitlab/experimentation.rb
@@ -25,9 +25,6 @@ module Gitlab
       signup_flow: {
         tracking_category: 'Growth::Acquisition::Experiment::SignUpFlow'
       },
-      paid_signup_flow: {
-        tracking_category: 'Growth::Acquisition::Experiment::PaidSignUpFlow'
-      },
       suggest_pipeline: {
         tracking_category: 'Growth::Expansion::Experiment::SuggestPipeline'
       },
diff --git a/lib/quality/test_level.rb b/lib/quality/test_level.rb
index bbd8b4dcc3f..97b86fa8c2e 100644
--- a/lib/quality/test_level.rb
+++ b/lib/quality/test_level.rb
@@ -14,6 +14,7 @@ module Quality
       ],
       unit: %w[
         bin
+        channels
         config
         db
         dependencies
diff --git a/locale/gitlab.pot b/locale/gitlab.pot
index 4ee563e9e4d..601ff6d9ace 100644
--- a/locale/gitlab.pot
+++ b/locale/gitlab.pot
@@ -1701,7 +1701,7 @@ msgstr ""
 msgid "AlertManagement|Display alerts from all your monitoring tools directly within GitLab. Streamline the investigation of your alerts and the escalation of alerts to incidents."
 msgstr ""
 
-msgid "AlertManagement|End Time"
+msgid "AlertManagement|End time"
 msgstr ""
 
 msgid "AlertManagement|Events"
@@ -1719,12 +1719,15 @@ msgstr ""
 msgid "AlertManagement|Severity"
 msgstr ""
 
-msgid "AlertManagement|Start Time"
+msgid "AlertManagement|Start time"
 msgstr ""
 
 msgid "AlertManagement|Status"
 msgstr ""
 
+msgid "AlertManagement|Surface alerts in GitLab"
+msgstr ""
+
 msgid "AlertManagement|There was an error displaying the alerts. Confirm your endpoint's configuration details to ensure alerts appear."
 msgstr ""
 
@@ -20174,9 +20177,6 @@ msgstr ""
 msgid "Support page URL"
 msgstr ""
 
-msgid "Surface alerts in GitLab"
-msgstr ""
-
 msgid "Switch branch/tag"
 msgstr ""
 
diff --git a/scripts/prepare_build.sh b/scripts/prepare_build.sh
index e80d752f09f..7bf3f887e97 100644
--- a/scripts/prepare_build.sh
+++ b/scripts/prepare_build.sh
@@ -33,6 +33,9 @@ if [ -f config/database_geo.yml ]; then
   sed -i 's/username: git/username: postgres/g' config/database_geo.yml
 fi
 
+cp config/cable.yml.example config/cable.yml
+sed -i 's|url:.*$|url: redis://redis:6379|g' config/cable.yml
+
 cp config/resque.yml.example config/resque.yml
 sed -i 's|url:.*$|url: redis://redis:6379|g' config/resque.yml
 
diff --git a/spec/channels/application_cable/connection_spec.rb b/spec/channels/application_cable/connection_spec.rb
new file mode 100644
index 00000000000..f3d67133528
--- /dev/null
+++ b/spec/channels/application_cable/connection_spec.rb
@@ -0,0 +1,47 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe ApplicationCable::Connection, :clean_gitlab_redis_shared_state do
+  let(:session_id) { Rack::Session::SessionId.new('6919a6f1bb119dd7396fadc38fd18d0d') }
+
+  before do
+    Gitlab::Redis::SharedState.with do |redis|
+      redis.set("session:gitlab:#{session_id.private_id}", Marshal.dump(session_hash))
+    end
+
+    cookies[Gitlab::Application.config.session_options[:key]] = session_id.public_id
+  end
+
+  context 'when user is logged in' do
+    let(:user) { create(:user) }
+    let(:session_hash) { { 'warden.user.user.key' => [[user.id], user.encrypted_password[0, 29]] } }
+
+    it 'sets current_user' do
+      connect
+
+      expect(connection.current_user).to eq(user)
+    end
+
+    context 'with a stale password' do
+      let(:partial_password_hash) { build(:user, password: 'some_old_password').encrypted_password[0, 29] }
+      let(:session_hash) { { 'warden.user.user.key' => [[user.id], partial_password_hash] } }
+
+      it 'sets current_user to nil' do
+        connect
+
+        expect(connection.current_user).to be_nil
+      end
+    end
+  end
+
+  context 'when user is not logged in' do
+    let(:session_hash) { {} }
+
+    it 'sets current_user to nil' do
+      connect
+
+      expect(connection.current_user).to be_nil
+    end
+  end
+end
diff --git a/spec/channels/issues_channel_spec.rb b/spec/channels/issues_channel_spec.rb
new file mode 100644
index 00000000000..1c88cc73456
--- /dev/null
+++ b/spec/channels/issues_channel_spec.rb
@@ -0,0 +1,36 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe IssuesChannel do
+  let_it_be(:issue) { create(:issue) }
+
+  it 'rejects when project path is invalid' do
+    subscribe(project_path: 'invalid_project_path', iid: issue.iid)
+
+    expect(subscription).to be_rejected
+  end
+
+  it 'rejects when iid is invalid' do
+    subscribe(project_path: issue.project.full_path, iid: non_existing_record_iid)
+
+    expect(subscription).to be_rejected
+  end
+
+  it 'rejects when the user does not have access' do
+    stub_connection current_user: nil
+
+    subscribe(project_path: issue.project.full_path, iid: issue.iid)
+
+    expect(subscription).to be_rejected
+  end
+
+  it 'subscribes to a stream when the user has access' do
+    stub_connection current_user: issue.author
+
+    subscribe(project_path: issue.project.full_path, iid: issue.iid)
+
+    expect(subscription).to be_confirmed
+    expect(subscription).to have_stream_for(issue)
+  end
+end
diff --git a/spec/features/security/project/internal_access_spec.rb b/spec/features/security/project/internal_access_spec.rb
index 45b57b5cb1b..f29aa8de928 100644
--- a/spec/features/security/project/internal_access_spec.rb
+++ b/spec/features/security/project/internal_access_spec.rb
@@ -464,9 +464,9 @@ describe "Internal Project Access" do
     it { is_expected.to be_allowed_for(:owner).of(project) }
     it { is_expected.to be_allowed_for(:maintainer).of(project) }
     it { is_expected.to be_allowed_for(:developer).of(project) }
-    it { is_expected.to be_denied_for(:reporter).of(project) }
-    it { is_expected.to be_denied_for(:guest).of(project) }
-    it { is_expected.to be_denied_for(:user) }
+    it { is_expected.to be_allowed_for(:reporter).of(project) }
+    it { is_expected.to be_allowed_for(:guest).of(project) }
+    it { is_expected.to be_allowed_for(:user) }
     it { is_expected.to be_denied_for(:external) }
     it { is_expected.to be_denied_for(:visitor) }
   end
diff --git a/spec/features/security/project/private_access_spec.rb b/spec/features/security/project/private_access_spec.rb
index 9aeb3ffbd43..ac8596d89bc 100644
--- a/spec/features/security/project/private_access_spec.rb
+++ b/spec/features/security/project/private_access_spec.rb
@@ -499,7 +499,7 @@ describe "Private Project Access" do
     it { is_expected.to be_allowed_for(:owner).of(project) }
     it { is_expected.to be_allowed_for(:maintainer).of(project) }
     it { is_expected.to be_allowed_for(:developer).of(project) }
-    it { is_expected.to be_denied_for(:reporter).of(project) }
+    it { is_expected.to be_allowed_for(:reporter).of(project) }
     it { is_expected.to be_denied_for(:guest).of(project) }
     it { is_expected.to be_denied_for(:user) }
     it { is_expected.to be_denied_for(:external) }
diff --git a/spec/features/security/project/public_access_spec.rb b/spec/features/security/project/public_access_spec.rb
index 4d8c2c7822c..11e9bff10a1 100644
--- a/spec/features/security/project/public_access_spec.rb
+++ b/spec/features/security/project/public_access_spec.rb
@@ -278,11 +278,11 @@ describe "Public Project Access" do
     it { is_expected.to be_allowed_for(:owner).of(project) }
     it { is_expected.to be_allowed_for(:maintainer).of(project) }
     it { is_expected.to be_allowed_for(:developer).of(project) }
-    it { is_expected.to be_denied_for(:reporter).of(project) }
-    it { is_expected.to be_denied_for(:guest).of(project) }
-    it { is_expected.to be_denied_for(:user) }
-    it { is_expected.to be_denied_for(:external) }
-    it { is_expected.to be_denied_for(:visitor) }
+    it { is_expected.to be_allowed_for(:reporter).of(project) }
+    it { is_expected.to be_allowed_for(:guest).of(project) }
+    it { is_expected.to be_allowed_for(:user) }
+    it { is_expected.to be_allowed_for(:external) }
+    it { is_expected.to be_allowed_for(:visitor) }
   end
 
   describe "GET /:project_path/-/environments" do
diff --git a/spec/features/users/signup_spec.rb b/spec/features/users/signup_spec.rb
index daa987ea389..0ef86dde030 100644
--- a/spec/features/users/signup_spec.rb
+++ b/spec/features/users/signup_spec.rb
@@ -470,8 +470,8 @@ end
 
 describe 'With experimental flow' do
   before do
-    stub_experiment(signup_flow: true, paid_signup_flow: false)
-    stub_experiment_for_user(signup_flow: true, paid_signup_flow: false)
+    stub_experiment(signup_flow: true)
+    stub_experiment_for_user(signup_flow: true)
   end
 
   it_behaves_like 'Signup'
diff --git a/spec/frontend/alert_management/components/alert_management_list_spec.js b/spec/frontend/alert_management/components/alert_management_list_spec.js
index c18c2ec0d53..a47363f4dc7 100644
--- a/spec/frontend/alert_management/components/alert_management_list_spec.js
+++ b/spec/frontend/alert_management/components/alert_management_list_spec.js
@@ -1,17 +1,18 @@
 import { mount } from '@vue/test-utils';
 import { GlEmptyState, GlTable, GlAlert, GlLoadingIcon } from '@gitlab/ui';
-import stubChildren from 'helpers/stub_children';
 import AlertManagementList from '~/alert_management/components/alert_management_list.vue';
 
+import mockAlerts from '../mocks/alerts.json';
+
 describe('AlertManagementList', () => {
   let wrapper;
 
   const findAlertsTable = () => wrapper.find(GlTable);
+  const findAlerts = () => wrapper.findAll('table tbody tr');
   const findAlert = () => wrapper.find(GlAlert);
   const findLoader = () => wrapper.find(GlLoadingIcon);
 
   function mountComponent({
-    stubs = {},
     props = {
       alertManagementEnabled: false,
       userCanEnableAlertManagement: false,
@@ -21,7 +22,7 @@ describe('AlertManagementList', () => {
   } = {}) {
     wrapper = mount(AlertManagementList, {
       propsData: {
-        indexPath: '/path',
+        projectPath: 'gitlab-org/gitlab',
         enableAlertManagementPath: '/link',
         emptyAlertSvgPath: 'illustration/path',
         ...props,
@@ -38,10 +39,6 @@ describe('AlertManagementList', () => {
           },
         },
       },
-      stubs: {
-        ...stubChildren(AlertManagementList),
-        ...stubs,
-      },
     });
   }
 
@@ -64,7 +61,6 @@ describe('AlertManagementList', () => {
   describe('Alerts table', () => {
     it('loading state', () => {
       mountComponent({
-        stubs: { GlTable },
         props: { alertManagementEnabled: true, userCanEnableAlertManagement: true },
         data: { alerts: null },
         loading: true,
@@ -75,7 +71,6 @@ describe('AlertManagementList', () => {
 
     it('error state', () => {
       mountComponent({
-        stubs: { GlTable },
         props: { alertManagementEnabled: true, userCanEnableAlertManagement: true },
         data: { alerts: null, errored: true },
         loading: false,
@@ -88,7 +83,6 @@ describe('AlertManagementList', () => {
 
     it('empty state', () => {
       mountComponent({
-        stubs: { GlTable },
         props: { alertManagementEnabled: true, userCanEnableAlertManagement: true },
         data: { alerts: [], errored: false },
         loading: false,
@@ -98,5 +92,16 @@ describe('AlertManagementList', () => {
       expect(findLoader().exists()).toBe(false);
       expect(findAlert().props().variant).toBe('info');
     });
+
+    it('has data state', () => {
+      mountComponent({
+        props: { alertManagementEnabled: true, userCanEnableAlertManagement: true },
+        data: { alerts: mockAlerts, errored: false },
+        loading: false,
+      });
+      expect(findLoader().exists()).toBe(false);
+      expect(findAlertsTable().exists()).toBe(true);
+      expect(findAlerts()).toHaveLength(mockAlerts.length);
+    });
   });
 });
diff --git a/spec/frontend/alert_management/mocks/alerts.json b/spec/frontend/alert_management/mocks/alerts.json
new file mode 100644
index 00000000000..d4667eb21f8
--- /dev/null
+++ b/spec/frontend/alert_management/mocks/alerts.json
@@ -0,0 +1,29 @@
+[
+    {
+      "iid": "1527542",
+      "title": "SyntaxError: Invalid or unexpected token",
+      "severity": "Critical",
+      "eventCount": 7,
+      "startedAt": "2020-04-17T23:18:14.996Z",
+      "endedAt": "2020-04-17T23:18:14.996Z",
+      "status": "triggered"
+    },
+    {
+      "iid": "1527542",
+      "title": "Some otherr alert Some otherr alert Some otherr alert Some otherr alert Some otherr alert Some otherr alert",
+      "severity": "Medium",
+      "eventCount": 1,
+      "startedAt": "2020-04-17T23:18:14.996Z",
+      "endedAt": "2020-04-17T23:18:14.996Z",
+      "status": "acknowledged"
+    },
+    {
+      "iid": "1527542",
+      "title": "SyntaxError: Invalid or unexpected token",
+      "severity": "Low",
+      "eventCount": 4,
+      "startedAt": "2020-04-17T23:18:14.996Z",
+      "endedAt": "2020-04-17T23:18:14.996Z",
+      "status": "resolved"
+    }
+  ]
diff --git a/spec/frontend/diffs/store/mutations_spec.js b/spec/frontend/diffs/store/mutations_spec.js
index 858ab5be167..c24d406fef3 100644
--- a/spec/frontend/diffs/store/mutations_spec.js
+++ b/spec/frontend/diffs/store/mutations_spec.js
@@ -1041,6 +1041,36 @@ describe('DiffsStoreMutations', () => {
     });
   });
 
+  describe('SET_DIFF_FILE_VIEWER', () => {
+    it("should update the correct diffFile's viewer property", () => {
+      const state = {
+        diffFiles: [
+          { file_path: 'SearchString', viewer: 'OLD VIEWER' },
+          { file_path: 'OtherSearchString' },
+          { file_path: 'SomeOtherString' },
+        ],
+      };
+
+      mutations[types.SET_DIFF_FILE_VIEWER](state, {
+        filePath: 'SearchString',
+        viewer: 'NEW VIEWER',
+      });
+
+      expect(state.diffFiles[0].viewer).toEqual('NEW VIEWER');
+      expect(state.diffFiles[1].viewer).not.toBeDefined();
+      expect(state.diffFiles[2].viewer).not.toBeDefined();
+
+      mutations[types.SET_DIFF_FILE_VIEWER](state, {
+        filePath: 'OtherSearchString',
+        viewer: 'NEW VIEWER',
+      });
+
+      expect(state.diffFiles[0].viewer).toEqual('NEW VIEWER');
+      expect(state.diffFiles[1].viewer).toEqual('NEW VIEWER');
+      expect(state.diffFiles[2].viewer).not.toBeDefined();
+    });
+  });
+
   describe('SET_SHOW_SUGGEST_POPOVER', () => {
     it('sets showSuggestPopover to false', () => {
       const state = { showSuggestPopover: true };
diff --git a/spec/helpers/projects/alert_management_helper_spec.rb b/spec/helpers/projects/alert_management_helper_spec.rb
index 9246d1deff6..177dcb4ec2e 100644
--- a/spec/helpers/projects/alert_management_helper_spec.rb
+++ b/spec/helpers/projects/alert_management_helper_spec.rb
@@ -11,10 +11,7 @@ describe Projects::AlertManagementHelper do
   describe '#alert_management_data' do
     let(:user_can_enable_alert_management) { false }
     let(:setting_path) { project_settings_operations_path(project) }
-
-    let(:index_path) do
-      project_alert_management_index_path(project, format: :json)
-    end
+    let(:project_path) { project.full_path }
 
     before do
       allow(helper)
@@ -26,9 +23,9 @@ describe Projects::AlertManagementHelper do
     context 'without alert_managements_setting' do
       it 'returns frontend configuration' do
         expect(alert_management_data(current_user, project)).to eq(
-          'index-path' => index_path,
+          'project-path' => project_path,
           'enable-alert-management-path' => setting_path,
-          "empty-alert-svg-path" => "/images/illustrations/alert-management-empty-state.svg",
+          'empty-alert-svg-path' => '/images/illustrations/alert-management-empty-state.svg',
           'user-can-enable-alert-management' => 'false',
           'alert-management-enabled' => 'true'
         )
diff --git a/spec/lib/quality/test_level_spec.rb b/spec/lib/quality/test_level_spec.rb
index 6042ab24787..b784a92fa85 100644
--- a/spec/lib/quality/test_level_spec.rb
+++ b/spec/lib/quality/test_level_spec.rb
@@ -21,7 +21,7 @@ RSpec.describe Quality::TestLevel do
     context 'when level is unit' do
       it 'returns a pattern' do
         expect(subject.pattern(:unit))
-          .to eq("spec/{bin,config,db,dependencies,factories,finders,frontend,graphql,haml_lint,helpers,initializers,javascripts,lib,models,policies,presenters,rack_servers,replicators,routing,rubocop,serializers,services,sidekiq,support_specs,tasks,uploaders,validators,views,workers,elastic_integration}{,/**/}*_spec.rb")
+          .to eq("spec/{bin,channels,config,db,dependencies,factories,finders,frontend,graphql,haml_lint,helpers,initializers,javascripts,lib,models,policies,presenters,rack_servers,replicators,routing,rubocop,serializers,services,sidekiq,support_specs,tasks,uploaders,validators,views,workers,elastic_integration}{,/**/}*_spec.rb")
       end
     end
 
@@ -89,7 +89,7 @@ RSpec.describe Quality::TestLevel do
     context 'when level is unit' do
       it 'returns a regexp' do
         expect(subject.regexp(:unit))
-          .to eq(%r{spec/(bin|config|db|dependencies|factories|finders|frontend|graphql|haml_lint|helpers|initializers|javascripts|lib|models|policies|presenters|rack_servers|replicators|routing|rubocop|serializers|services|sidekiq|support_specs|tasks|uploaders|validators|views|workers|elastic_integration)})
+          .to eq(%r{spec/(bin|channels|config|db|dependencies|factories|finders|frontend|graphql|haml_lint|helpers|initializers|javascripts|lib|models|policies|presenters|rack_servers|replicators|routing|rubocop|serializers|services|sidekiq|support_specs|tasks|uploaders|validators|views|workers|elastic_integration)})
       end
     end
 
diff --git a/spec/services/issues/update_service_spec.rb b/spec/services/issues/update_service_spec.rb
index c32bef5a1a5..556a0d605d5 100644
--- a/spec/services/issues/update_service_spec.rb
+++ b/spec/services/issues/update_service_spec.rb
@@ -842,5 +842,33 @@ describe Issues::UpdateService, :mailer do
       let(:open_issuable) { issue }
       let(:closed_issuable) { create(:closed_issue, project: project) }
     end
+
+    context 'real-time updates' do
+      let(:update_params) { { assignee_ids: [user2.id] } }
+
+      context 'when broadcast_issue_updates is enabled' do
+        before do
+          stub_feature_flags(broadcast_issue_updates: true)
+        end
+
+        it 'broadcasts to the issues channel' do
+          expect(IssuesChannel).to receive(:broadcast_to).with(issue, event: 'updated')
+
+          update_issue(update_params)
+        end
+      end
+
+      context 'when broadcast_issue_updates is disabled' do
+        before do
+          stub_feature_flags(broadcast_issue_updates: false)
+        end
+
+        it 'does not broadcast to the issues channel' do
+          expect(IssuesChannel).not_to receive(:broadcast_to)
+
+          update_issue(update_params)
+        end
+      end
+    end
   end
 end