diff --git a/app/assets/stylesheets/framework/mixins.scss b/app/assets/stylesheets/framework/mixins.scss
index c551dd41882..1e51bf3d974 100644
--- a/app/assets/stylesheets/framework/mixins.scss
+++ b/app/assets/stylesheets/framework/mixins.scss
@@ -419,6 +419,30 @@
   height: $gl-font-size * $code-line-height * 0.9;
 }
 
+@mixin email-code-block {
+  .code.language-email {
+    font-family: inherit;
+    font-size: inherit;
+
+    code {
+      white-space: pre-wrap;
+      font-family: inherit;
+
+      // Rouge `Name.Tag` and `Operator` token (email header key + ':')
+      .nt,
+      .o {
+        color: inherit;
+        font-weight: bold;
+      }
+
+      // Rouge `Name.Attribute` token (email header value)
+      .na {
+        color: inherit;
+      }
+    }
+  }
+}
+
 @mixin avatar-counter($border-radius: 1em) {
   background-color: $gray-darkest;
   color: $white;
diff --git a/app/assets/stylesheets/framework/typography.scss b/app/assets/stylesheets/framework/typography.scss
index 0bee925b0ab..51c41c46f61 100644
--- a/app/assets/stylesheets/framework/typography.scss
+++ b/app/assets/stylesheets/framework/typography.scss
@@ -597,6 +597,8 @@
   .text-justify {
     text-align: justify !important;
   }
+
+  @include email-code-block;
 }
 
 /**
diff --git a/app/assets/stylesheets/notify.scss b/app/assets/stylesheets/notify.scss
index d281f62c370..feb4ea77e58 100644
--- a/app/assets/stylesheets/notify.scss
+++ b/app/assets/stylesheets/notify.scss
@@ -1,3 +1,4 @@
+@import 'framework/mixins';
 @import 'framework/variables';
 
 img {
@@ -38,3 +39,14 @@ pre.commit-message {
 .gl-label-text-dark {
   color: $gl-text-color;
 }
+
+.content {
+  .markdown-code-block pre.code {
+    padding: $gl-padding-8 $input-horizontal-padding;
+    margin: 0 0 $gl-padding-8;
+    border: 1px solid $gray-100;
+    border-radius: $border-radius-small;
+  }
+
+  @include email-code-block;
+}
diff --git a/app/models/member.rb b/app/models/member.rb
index 3521223b27c..7d4c0bb2c59 100644
--- a/app/models/member.rb
+++ b/app/models/member.rb
@@ -27,6 +27,7 @@ class Member < ApplicationRecord
   belongs_to :created_by, class_name: "User"
   belongs_to :user
   belongs_to :source, polymorphic: true # rubocop:disable Cop/PolymorphicAssociations
+  belongs_to :member_namespace, inverse_of: :namespace_members, foreign_key: 'member_namespace_id', class_name: 'Namespace'
   has_one :member_task
 
   delegate :name, :username, :email, :last_activity_on, to: :user, prefix: true
diff --git a/app/models/namespace.rb b/app/models/namespace.rb
index 1e7f0f10aa6..58822a575b5 100644
--- a/app/models/namespace.rb
+++ b/app/models/namespace.rb
@@ -44,6 +44,7 @@ class Namespace < ApplicationRecord
   has_many :project_statistics
   has_one :namespace_settings, inverse_of: :namespace, class_name: 'NamespaceSetting', autosave: true
   has_one :namespace_route, foreign_key: :namespace_id, autosave: false, inverse_of: :namespace, class_name: 'Route'
+  has_many :namespace_members, foreign_key: :member_namespace_id, inverse_of: :member_namespace, class_name: 'Member'
 
   has_many :runner_namespaces, inverse_of: :namespace, class_name: 'Ci::RunnerNamespace'
   has_many :runners, through: :runner_namespaces, source: :runner, class_name: 'Ci::Runner'
diff --git a/config/feature_flags/development/opt_in_sidekiq_status.yml b/config/feature_flags/development/opt_in_sidekiq_status.yml
deleted file mode 100644
index 433c04e7822..00000000000
--- a/config/feature_flags/development/opt_in_sidekiq_status.yml
+++ /dev/null
@@ -1,8 +0,0 @@
----
-name: opt_in_sidekiq_status
-introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/77349
-rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/343964
-milestone: '14.7'
-type: development
-group: group::scalability
-default_enabled: false
diff --git a/db/migrate/20220107165036_remove_note_id_index.rb b/db/migrate/20220107165036_remove_note_id_index.rb
new file mode 100644
index 00000000000..15b4a3caf78
--- /dev/null
+++ b/db/migrate/20220107165036_remove_note_id_index.rb
@@ -0,0 +1,16 @@
+# frozen_string_literal: true
+
+class RemoveNoteIdIndex < Gitlab::Database::Migration[1.0]
+  disable_ddl_transaction!
+
+  TABLE = :suggestions
+  INDEX_NAME = 'index_suggestions_on_note_id'
+
+  def up
+    remove_concurrent_index_by_name TABLE, INDEX_NAME
+  end
+
+  def down
+    add_concurrent_index TABLE, :note_id, name: INDEX_NAME
+  end
+end
diff --git a/db/migrate/20220112232037_add_member_namespace_reference.rb b/db/migrate/20220112232037_add_member_namespace_reference.rb
new file mode 100644
index 00000000000..d67ea09a78c
--- /dev/null
+++ b/db/migrate/20220112232037_add_member_namespace_reference.rb
@@ -0,0 +1,13 @@
+# frozen_string_literal: true
+
+class AddMemberNamespaceReference < Gitlab::Database::Migration[1.0]
+  enable_lock_retries!
+
+  def up
+    add_column :members, :member_namespace_id, :bigint unless column_exists?(:members, :member_namespace_id)
+  end
+
+  def down
+    remove_column :members, :member_namespace_id if column_exists?(:members, :member_namespace_id)
+  end
+end
diff --git a/db/migrate/20220112232605_add_member_namespace_index.rb b/db/migrate/20220112232605_add_member_namespace_index.rb
new file mode 100644
index 00000000000..ba32df53ae7
--- /dev/null
+++ b/db/migrate/20220112232605_add_member_namespace_index.rb
@@ -0,0 +1,19 @@
+# frozen_string_literal: true
+
+class AddMemberNamespaceIndex < Gitlab::Database::Migration[1.0]
+  disable_ddl_transaction!
+  INDEX_NAME = 'index_members_on_member_namespace_id'
+
+  def up
+    add_concurrent_index :members, :member_namespace_id, unique: false, name: INDEX_NAME
+    add_concurrent_foreign_key :members, :namespaces, column: :member_namespace_id, on_delete: :nullify, reverse_lock_order: true
+  end
+
+  def down
+    with_lock_retries do
+      remove_foreign_key_if_exists :members, column: :member_namespace_id
+    end
+
+    remove_concurrent_index_by_name :members, INDEX_NAME
+  end
+end
diff --git a/db/schema_migrations/20220107165036 b/db/schema_migrations/20220107165036
new file mode 100644
index 00000000000..bab28284d04
--- /dev/null
+++ b/db/schema_migrations/20220107165036
@@ -0,0 +1 @@
+72639ba84675a6687864ef4cb6f02d0429124d7deb9ce9f3c8e255591e2f0a8d
\ No newline at end of file
diff --git a/db/schema_migrations/20220112232037 b/db/schema_migrations/20220112232037
new file mode 100644
index 00000000000..83267de0489
--- /dev/null
+++ b/db/schema_migrations/20220112232037
@@ -0,0 +1 @@
+775ac42ad194bd0175a6925e1c2e83c11d57a8d4430ad08a70e3d5275ca2e709
\ No newline at end of file
diff --git a/db/schema_migrations/20220112232605 b/db/schema_migrations/20220112232605
new file mode 100644
index 00000000000..fb5809b543e
--- /dev/null
+++ b/db/schema_migrations/20220112232605
@@ -0,0 +1 @@
+4813b55e933564851f2fec9a2fa5900409eff226fec34ae0be1895307f603904
\ No newline at end of file
diff --git a/db/structure.sql b/db/structure.sql
index 8f07dfeada1..1f8ff54765f 100644
--- a/db/structure.sql
+++ b/db/structure.sql
@@ -15979,7 +15979,8 @@ CREATE TABLE members (
     ldap boolean DEFAULT false NOT NULL,
     override boolean DEFAULT false NOT NULL,
     state smallint DEFAULT 0,
-    invite_email_success boolean DEFAULT true NOT NULL
+    invite_email_success boolean DEFAULT true NOT NULL,
+    member_namespace_id bigint
 );
 
 CREATE SEQUENCE members_id_seq
@@ -26567,6 +26568,8 @@ CREATE INDEX index_members_on_invite_email ON members USING btree (invite_email)
 
 CREATE UNIQUE INDEX index_members_on_invite_token ON members USING btree (invite_token);
 
+CREATE INDEX index_members_on_member_namespace_id ON members USING btree (member_namespace_id);
+
 CREATE INDEX index_members_on_requested_at ON members USING btree (requested_at);
 
 CREATE INDEX index_members_on_source_id_and_source_type ON members USING btree (source_id, source_type);
@@ -29586,6 +29589,9 @@ ALTER TABLE ONLY epics
 ALTER TABLE ONLY dast_profiles
     ADD CONSTRAINT fk_aa76ef30e9 FOREIGN KEY (project_id) REFERENCES projects(id) ON DELETE CASCADE;
 
+ALTER TABLE ONLY members
+    ADD CONSTRAINT fk_aa82dcc1c6 FOREIGN KEY (member_namespace_id) REFERENCES namespaces(id) ON DELETE SET NULL;
+
 ALTER TABLE ONLY alert_management_alerts
     ADD CONSTRAINT fk_aad61aedca FOREIGN KEY (environment_id) REFERENCES environments(id) ON DELETE SET NULL;
 
diff --git a/doc/.vale/vale.tmpl b/doc/.vale/vale.tmpl
index 36dfbd6b778..8a6c6e5157d 100644
--- a/doc/.vale/vale.tmpl
+++ b/doc/.vale/vale.tmpl
@@ -48,4 +48,4 @@
 {{end -}}
 {{end -}}
 
-{{- $e}} {{"errors" | red}}, {{$w}} {{"warnings" | yellow}}, and {{$s}} {{"suggestions" | blue}} found in {{$f}} {{$f | int | plural "file" "files"}}.
+{{- $e}} {{"errors" | red}}, {{$w}} {{"warnings" | yellow}}, and {{$s}} {{"suggestions" | blue}} found.
diff --git a/doc/ci/environments/deployment_approvals.md b/doc/ci/environments/deployment_approvals.md
index e3e3797b420..feb76947609 100644
--- a/doc/ci/environments/deployment_approvals.md
+++ b/doc/ci/environments/deployment_approvals.md
@@ -5,7 +5,7 @@ info: To determine the technical writer assigned to the Stage/Group associated w
 description: Require approvals prior to deploying to a Protected Environment
 ---
 
-# Deployment Approvals **(PREMIUM)**
+# Deployment approvals **(PREMIUM)**
 
 > [Introduced](https://gitlab.com/gitlab-org/gitlab/-/issues/215888) in GitLab 14.7 with a flag named `deployment_approvals`. Disabled by default.
 
diff --git a/doc/ci/environments/protected_environments.md b/doc/ci/environments/protected_environments.md
index dbcd9051b18..78db2345de4 100644
--- a/doc/ci/environments/protected_environments.md
+++ b/doc/ci/environments/protected_environments.md
@@ -248,9 +248,9 @@ NOTE:
 Configuration [with the UI](https://gitlab.com/gitlab-org/gitlab/-/issues/325249)
 is scheduled for a later release.
 
-## Deployment Approvals
+## Deployment approvals
 
-Protected Environments can also be used to require manual approvals before deployments. See [Deployment Approvals](deployment_approvals.md) for more information.
+Protected environments can also be used to require manual approvals before deployments. See [Deployment approvals](deployment_approvals.md) for more information.
 
 <!-- ## Troubleshooting
 
diff --git a/doc/user/project/settings/index.md b/doc/user/project/settings/index.md
index acbea2c8e66..9df545b52ec 100644
--- a/doc/user/project/settings/index.md
+++ b/doc/user/project/settings/index.md
@@ -183,8 +183,6 @@ include:  # Execute individual project's configuration (if project contains .git
   project: '$CI_PROJECT_PATH'
   file: '$CI_CONFIG_PATH'
   ref: '$CI_COMMIT_REF_NAME' # Must be defined or MR pipelines always use the use default branch
-  rules:
-    - exists: '$CI_CONFIG_PATH'
 ```
 
 ##### Ensure compliance jobs are always run
diff --git a/lib/gitlab/import_export/project/import_export.yml b/lib/gitlab/import_export/project/import_export.yml
index ef146359da9..f65d166a995 100644
--- a/lib/gitlab/import_export/project/import_export.yml
+++ b/lib/gitlab/import_export/project/import_export.yml
@@ -904,6 +904,7 @@ excluded_attributes:
     - :release_id
   project_members:
     - :source_id
+    - :member_namespace_id
     - :invite_email_success
     - :state
   group_members:
diff --git a/lib/gitlab/sidekiq_status/client_middleware.rb b/lib/gitlab/sidekiq_status/client_middleware.rb
index ee12dbbe51a..8471696dcea 100644
--- a/lib/gitlab/sidekiq_status/client_middleware.rb
+++ b/lib/gitlab/sidekiq_status/client_middleware.rb
@@ -4,13 +4,7 @@ module Gitlab
   module SidekiqStatus
     class ClientMiddleware
       def call(_, job, _, _)
-        status_expiration = job['status_expiration']
-
-        unless ::Feature.enabled?(:opt_in_sidekiq_status, default_enabled: :yaml)
-          status_expiration ||= Gitlab::SidekiqStatus::DEFAULT_EXPIRATION
-        end
-
-        Gitlab::SidekiqStatus.set(job['jid'], status_expiration)
+        Gitlab::SidekiqStatus.set(job['jid'], job['status_expiration'])
 
         yield
       end
diff --git a/spec/lib/gitlab/import_export/all_models.yml b/spec/lib/gitlab/import_export/all_models.yml
index e00af614cff..f4a112d35aa 100644
--- a/spec/lib/gitlab/import_export/all_models.yml
+++ b/spec/lib/gitlab/import_export/all_models.yml
@@ -136,6 +136,7 @@ project_members:
 - source
 - project
 - member_task
+- member_namespace
 merge_requests:
 - status_check_responses
 - subscriptions
diff --git a/spec/lib/gitlab/sidekiq_status/client_middleware_spec.rb b/spec/lib/gitlab/sidekiq_status/client_middleware_spec.rb
index cb1616ec40a..9affc3d5146 100644
--- a/spec/lib/gitlab/sidekiq_status/client_middleware_spec.rb
+++ b/spec/lib/gitlab/sidekiq_status/client_middleware_spec.rb
@@ -1,61 +1,24 @@
 # frozen_string_literal: true
 
-# This can use fast_spec_helper when the feature flag stubbing is removed.
-require 'spec_helper'
+require 'fast_spec_helper'
 
 RSpec.describe Gitlab::SidekiqStatus::ClientMiddleware, :clean_gitlab_redis_queues do
   describe '#call' do
-    context 'when opt_in_sidekiq_status is disabled' do
-      before do
-        stub_feature_flags(opt_in_sidekiq_status: false)
-      end
+    context 'when the job has status_expiration set' do
+      it 'tracks the job in Redis' do
+        expect(Gitlab::SidekiqStatus).to receive(:set).with('123', 1.hour.to_i)
 
-      context 'when the job has status_expiration set' do
-        it 'tracks the job in Redis' do
-          expect(Gitlab::SidekiqStatus).to receive(:set).with('123', 1.hour.to_i).and_call_original
-
-          described_class.new
-            .call('Foo', { 'jid' => '123', 'status_expiration' => 1.hour.to_i }, double(:queue), double(:pool)) { nil }
-
-          expect(Gitlab::SidekiqStatus.num_running(['123'])).to eq(1)
-        end
-      end
-
-      context 'when the job does not have status_expiration set' do
-        it 'tracks the job in Redis' do
-          expect(Gitlab::SidekiqStatus).to receive(:set).with('123', 30.minutes.to_i).and_call_original
-
-          described_class.new
-            .call('Foo', { 'jid' => '123' }, double(:queue), double(:pool)) { nil }
-
-          expect(Gitlab::SidekiqStatus.num_running(['123'])).to eq(1)
-        end
+        described_class.new
+          .call('Foo', { 'jid' => '123', 'status_expiration' => 1.hour.to_i }, double(:queue), double(:pool)) { nil }
       end
     end
 
-    context 'when opt_in_sidekiq_status is enabled' do
-      before do
-        stub_feature_flags(opt_in_sidekiq_status: true)
-      end
+    context 'when the job does not have status_expiration set' do
+      it 'does not track the job in Redis' do
+        expect(Gitlab::SidekiqStatus).to receive(:set).with('123', nil)
 
-      context 'when the job has status_expiration set' do
-        it 'tracks the job in Redis' do
-          expect(Gitlab::SidekiqStatus).to receive(:set).with('123', 1.hour.to_i).and_call_original
-
-          described_class.new
-            .call('Foo', { 'jid' => '123', 'status_expiration' => 1.hour.to_i }, double(:queue), double(:pool)) { nil }
-
-          expect(Gitlab::SidekiqStatus.num_running(['123'])).to eq(1)
-        end
-      end
-
-      context 'when the job does not have status_expiration set' do
-        it 'does not track the job in Redis' do
-          described_class.new
-            .call('Foo', { 'jid' => '123' }, double(:queue), double(:pool)) { nil }
-
-          expect(Gitlab::SidekiqStatus.num_running(['123'])).to be_zero
-        end
+        described_class.new
+          .call('Foo', { 'jid' => '123' }, double(:queue), double(:pool)) { nil }
       end
     end
   end
diff --git a/spec/models/member_spec.rb b/spec/models/member_spec.rb
index 7ce32de6edc..1957c58ec81 100644
--- a/spec/models/member_spec.rb
+++ b/spec/models/member_spec.rb
@@ -9,6 +9,7 @@ RSpec.describe Member do
 
   describe 'Associations' do
     it { is_expected.to belong_to(:user) }
+    it { is_expected.to belong_to(:member_namespace) }
     it { is_expected.to have_one(:member_task) }
   end
 
diff --git a/spec/models/namespace_spec.rb b/spec/models/namespace_spec.rb
index 03e46f0d7b9..5da0f7a134c 100644
--- a/spec/models/namespace_spec.rb
+++ b/spec/models/namespace_spec.rb
@@ -29,6 +29,7 @@ RSpec.describe Namespace do
     it { is_expected.to have_one :admin_note }
     it { is_expected.to have_many :pending_builds }
     it { is_expected.to have_one :namespace_route }
+    it { is_expected.to have_many :namespace_members }
 
     describe '#children' do
       let_it_be(:group) { create(:group) }