diff --git a/app/assets/stylesheets/framework/variables.scss b/app/assets/stylesheets/framework/variables.scss
index 3e83c295491..e179e2cdb3e 100644
--- a/app/assets/stylesheets/framework/variables.scss
+++ b/app/assets/stylesheets/framework/variables.scss
@@ -874,14 +874,6 @@ Image Commenting cursor
 $image-comment-cursor-left-offset: 12;
 $image-comment-cursor-top-offset: 12;
 
-/*
-Add GitLab Slack Application
-*/
-$add-to-slack-popup-max-width: 400px;
-$add-to-slack-gif-max-width: 850px;
-$add-to-slack-well-max-width: 750px;
-$add-to-slack-logo-size: 100px;
-
 /*
 Security & Compliance Carousel
 */
diff --git a/app/assets/stylesheets/pages/profile.scss b/app/assets/stylesheets/pages/profile.scss
index ccbc796913e..f76a8030e5b 100644
--- a/app/assets/stylesheets/pages/profile.scss
+++ b/app/assets/stylesheets/pages/profile.scss
@@ -363,25 +363,12 @@ table.u2f-registrations {
   color: $gl-text-color-secondary;
 }
 
-.gitlab-slack-gif {
-  width: 100%;
-  max-width: $add-to-slack-gif-max-width;
+.gitlab-slack-body {
+  max-width: 420px;
 }
 
-.gitlab-slack-well {
-  background-color: $white;
-  box-shadow: none;
-  max-width: $add-to-slack-well-max-width;
-}
-
-.gitlab-slack-logo {
-  width: $add-to-slack-logo-size;
-  height: $add-to-slack-logo-size;
-}
-
-.gitlab-slack-popup {
-  width: 100%;
-  max-width: $add-to-slack-popup-max-width;
+.gitlab-slack-slack-logo {
+  transform: scale(200%); // Slack logo SVG is scaled down 50% and has empty space around it
 }
 
 .skype-icon {
diff --git a/config/gitlab.yml.example b/config/gitlab.yml.example
index 2b67572c470..f5755591da7 100644
--- a/config/gitlab.yml.example
+++ b/config/gitlab.yml.example
@@ -9,6 +9,8 @@
 # If you change this file in a merge request, please also create       #
 # a MR on https://gitlab.com/gitlab-org/omnibus-gitlab/merge_requests. #
 # For more details see https://gitlab.com/gitlab-org/omnibus-gitlab/blob/master/doc/settings/gitlab.yml.md #
+# Be sure to create a MR against the GDK configuration                 #
+# file (https://gitlab.com/gitlab-org/gitlab-development-kit/-/blob/main/support/templates/gitlab/config/gitlab.yml.erb) too. #
 ########################################################################
 #
 #
@@ -1435,7 +1437,7 @@ test:
         provider: AWS # Only AWS supported at the moment
         aws_access_key_id: AWS_ACCESS_KEY_ID
         aws_secret_access_key: AWS_SECRET_ACCESS_KEY
-        region: us-east-1 
+        region: us-east-1
 
   gitlab:
     host: localhost
diff --git a/doc/api/job_artifacts.md b/doc/api/job_artifacts.md
index 947caf20da6..ef00c050a3a 100644
--- a/doc/api/job_artifacts.md
+++ b/doc/api/job_artifacts.md
@@ -287,12 +287,12 @@ If the artifacts were deleted successfully, a response with status `204 No Conte
 
 ## Delete project artifacts
 
-> [Introduced](https://gitlab.com/gitlab-org/gitlab/-/issues/223793) in GitLab 14.7 [with a flag](../administration/feature_flags.md) named `bulk_expire_project_artifacts`. Disabled by default.
+> [Introduced](https://gitlab.com/gitlab-org/gitlab/-/issues/223793) in GitLab 14.7 [with a flag](../administration/feature_flags.md) named `bulk_expire_project_artifacts`. Disabled by default on GitLab self-managed. Enabled on GitLab.com.
 
 FLAG:
 On self-managed GitLab, by default this feature is not available. To make it
 available, ask an administrator to [enable the `bulk_expire_project_artifacts` flag](../administration/feature_flags.md).
-On GitLab.com, this feature is not available.
+On GitLab.com, this feature is available.
 
 [Expire artifacts of a project that can be deleted](https://gitlab.com/gitlab-org/gitlab/-/issues/223793) but that don't have an expiry time.
 
diff --git a/doc/ci/triggers/index.md b/doc/ci/triggers/index.md
index a7b211e1965..1b648a486ef 100644
--- a/doc/ci/triggers/index.md
+++ b/doc/ci/triggers/index.md
@@ -54,7 +54,7 @@ For example:
   ```shell
   curl --request POST \
        --form token=<token> \
-       --formref=<ref_name> \
+       --form ref=<ref_name> \
        "https://gitlab.example.com/api/v4/projects/<project_id>/trigger/pipeline"
   ```
 
diff --git a/locale/gitlab.pot b/locale/gitlab.pot
index 9478268c407..73959468a49 100644
--- a/locale/gitlab.pot
+++ b/locale/gitlab.pot
@@ -1982,9 +1982,6 @@ msgstr ""
 msgid "Add CONTRIBUTING"
 msgstr ""
 
-msgid "Add GitLab to Slack"
-msgstr ""
-
 msgid "Add Jaeger URL"
 msgstr ""
 
@@ -2198,9 +2195,6 @@ msgstr ""
 msgid "Add text to the sign-in page. Markdown enabled."
 msgstr ""
 
-msgid "Add to Slack"
-msgstr ""
-
 msgid "Add to board"
 msgstr ""
 
@@ -16166,9 +16160,6 @@ msgstr ""
 msgid "GitLab export"
 msgstr ""
 
-msgid "GitLab for Slack"
-msgstr ""
-
 msgid "GitLab group: %{source_link}"
 msgstr ""
 
@@ -16193,6 +16184,9 @@ msgstr ""
 msgid "GitLab is undergoing maintenance and is operating in read-only mode."
 msgstr ""
 
+msgid "GitLab logo"
+msgstr ""
+
 msgid "GitLab member or Email address"
 msgstr ""
 
@@ -17724,9 +17718,6 @@ msgstr ""
 msgid "How do I use file templates?"
 msgstr ""
 
-msgid "How it works"
-msgstr ""
-
 msgid "How many days need to pass between marking entity for deletion and actual removing it."
 msgstr ""
 
@@ -23140,9 +23131,6 @@ msgstr ""
 msgid "More Information"
 msgstr ""
 
-msgid "More Slack commands"
-msgstr ""
-
 msgid "More actions"
 msgstr ""
 
@@ -32065,9 +32053,6 @@ msgstr ""
 msgid "Select Git revision"
 msgstr ""
 
-msgid "Select GitLab project to link with your Slack team"
-msgstr ""
-
 msgid "Select Page"
 msgstr ""
 
@@ -33118,6 +33103,15 @@ msgstr ""
 msgid "Slack integration allows you to interact with GitLab via slash commands in a chat window."
 msgstr ""
 
+msgid "Slack logo"
+msgstr ""
+
+msgid "SlackIntegration|GitLab for Slack"
+msgstr ""
+
+msgid "SlackIntegration|Select a GitLab project to link with your Slack workspace."
+msgstr ""
+
 msgid "SlackIntegration|Sends notifications about project events to Slack channels."
 msgstr ""
 
@@ -37464,9 +37458,6 @@ msgstr ""
 msgid "Track time with quick actions"
 msgstr ""
 
-msgid "Track your GitLab projects with GitLab for Slack."
-msgstr ""
-
 msgid "Training mode"
 msgstr ""
 
@@ -38642,6 +38633,9 @@ msgstr ""
 msgid "User cap"
 msgstr ""
 
+msgid "User cap cannot be enabled. The group or one of its subgroups or projects is shared externally."
+msgstr ""
+
 msgid "User created at"
 msgstr ""
 
@@ -42391,9 +42385,6 @@ msgstr ""
 msgid "locked by %{path_lock_user_name} %{created_at}"
 msgstr ""
 
-msgid "log in"
-msgstr ""
-
 msgid "manual"
 msgstr ""
 
diff --git a/qa/qa/service/praefect_manager.rb b/qa/qa/service/praefect_manager.rb
index 9b63b1bc20f..7e47049d446 100644
--- a/qa/qa/service/praefect_manager.rb
+++ b/qa/qa/service/praefect_manager.rb
@@ -19,7 +19,7 @@ module QA
         @virtual_storage = 'default'
       end
 
-      attr_reader :primary_node, :secondary_node, :tertiary_node
+      attr_reader :primary_node, :secondary_node, :tertiary_node, :postgres
 
       # Executes the praefect `dataloss` command.
       #
@@ -87,6 +87,13 @@ module QA
 
       def stop_node(name)
         shell "docker stop #{name}"
+        wait_until_shell_command_matches(
+          "docker inspect -f {{.State.Running}} #{name}",
+          /false/,
+          sleep_interval: 3,
+          max_duration: 180,
+          retry_on_exception: true
+        )
       end
 
       def clear_replication_queue
@@ -167,6 +174,7 @@ module QA
       end
 
       def start_all_nodes
+        start_node(@postgres)
         start_node(@primary_node)
         start_node(@secondary_node)
         start_node(@tertiary_node)
@@ -195,6 +203,14 @@ module QA
         end
       end
 
+      def praefect_sql_ping_healthy?
+        cmd = "docker exec #{@praefect} bash -c '/opt/gitlab/embedded/bin/praefect -config /var/opt/gitlab/praefect/config.toml sql-ping'"
+        wait_until_shell_command(cmd) do |line|
+          QA::Runtime::Logger.debug(line.chomp)
+          break line.include?('praefect sql-ping: OK')
+        end
+      end
+
       def wait_for_sql_ping
         wait_until_shell_command_matches(
           "docker exec #{@praefect} bash -c '/opt/gitlab/embedded/bin/praefect -config /var/opt/gitlab/praefect/config.toml sql-ping'",
@@ -206,6 +222,34 @@ module QA
         ['error when pinging healthcheck', 'failed checking node health'].include?(msg)
       end
 
+      def wait_for_dial_nodes_successful
+        Support::Waiter.repeat_until(max_attempts: 3, max_duration: 120, sleep_interval: 1) do
+          nodes_confirmed = {
+            @primary_node => false,
+            @secondary_node => false,
+            @tertiary_node => false
+          }
+
+          nodes_confirmed.each_key do |node|
+            nodes_confirmed[node] = true if praefect_dial_nodes_status?(node)
+          end
+
+          nodes_confirmed.values.all?
+        end
+      end
+
+      def praefect_dial_nodes_status?(node, expect_healthy = true)
+        cmd = "docker exec #{@praefect} bash -c '/opt/gitlab/embedded/bin/praefect -config /var/opt/gitlab/praefect/config.toml dial-nodes -timeout 1s'"
+        if expect_healthy
+          wait_until_shell_command_matches(cmd, /SUCCESS: confirmed Gitaly storage "#{node}" in virtual storages \[#{@virtual_storage}\] is served/)
+        else
+          wait_until_shell_command(cmd, raise_on_failure: false) do |line|
+            QA::Runtime::Logger.debug(line.chomp)
+            break true if line.include?('the following nodes are not healthy') && line.include?(node)
+          end
+        end
+      end
+
       def wait_for_health_check_all_nodes
         wait_for_gitaly_health_check(@primary_node)
         wait_for_gitaly_health_check(@secondary_node)
diff --git a/qa/qa/specs/features/api/3_create/gitaly/praefect_connectivity_spec.rb b/qa/qa/specs/features/api/3_create/gitaly/praefect_connectivity_spec.rb
new file mode 100644
index 00000000000..28469b99d04
--- /dev/null
+++ b/qa/qa/specs/features/api/3_create/gitaly/praefect_connectivity_spec.rb
@@ -0,0 +1,41 @@
+# frozen_string_literal: true
+
+module QA
+  RSpec.describe 'Create' do
+    context 'Praefect connectivity commands', :orchestrated, :gitaly_cluster do
+      praefect_manager = Service::PraefectManager.new
+
+      before do
+        praefect_manager.start_all_nodes
+      end
+
+      context 'in a healthy environment' do
+        it 'confirms healthy connection to database', testcase: 'https://gitlab.com/gitlab-org/gitlab/-/quality/test_cases/349937' do
+          expect(praefect_manager.praefect_sql_ping_healthy?).to be true
+        end
+
+        it 'confirms healthy connection to gitaly nodes', testcase: 'https://gitlab.com/gitlab-org/gitlab/-/quality/test_cases/349938' do
+          expect(praefect_manager.wait_for_dial_nodes_successful).to be true
+        end
+      end
+
+      context 'in an unhealthy environment' do
+        it 'diagnoses unhealthy connection to database', testcase: 'https://gitlab.com/gitlab-org/gitlab/-/quality/test_cases/349939' do
+          praefect_manager.stop_node(praefect_manager.postgres)
+          expect(praefect_manager.praefect_sql_ping_healthy?).to be false
+        end
+
+        it 'diagnoses connection issues to gitaly nodes', testcase: 'https://gitlab.com/gitlab-org/gitlab/-/quality/test_cases/349940' do
+          praefect_manager.stop_node(praefect_manager.primary_node)
+          praefect_manager.stop_node(praefect_manager.tertiary_node)
+          expect(praefect_manager.praefect_dial_nodes_status?(praefect_manager.primary_node, false)).to be true
+          expect(praefect_manager.praefect_dial_nodes_status?(praefect_manager.secondary_node)).to be true
+          expect(praefect_manager.praefect_dial_nodes_status?(praefect_manager.tertiary_node, false)).to be true
+
+          praefect_manager.stop_node(praefect_manager.secondary_node)
+          expect(praefect_manager.praefect_dial_nodes_status?(praefect_manager.secondary_node, false)).to be true
+        end
+      end
+    end
+  end
+end