diff --git a/CHANGELOG.md b/CHANGELOG.md
index b97e7faf92..5c356e303f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,10 @@
 documentation](doc/development/changelog.md) for instructions on adding your own
 entry.
 
+## 14.6.4 (2022-02-03)
+
+No changes.
+
 ## 14.6.3 (2022-01-18)
 
 ### Fixed (4 changes)
diff --git a/GITALY_SERVER_VERSION b/GITALY_SERVER_VERSION
index f8a030aae5..7d6296b6cb 100644
--- a/GITALY_SERVER_VERSION
+++ b/GITALY_SERVER_VERSION
@@ -1 +1 @@
-14.6.3
\ No newline at end of file
+14.6.4
\ No newline at end of file
diff --git a/Gemfile b/Gemfile
index 1d88df8296..9f152aa521 100644
--- a/Gemfile
+++ b/Gemfile
@@ -166,7 +166,7 @@ gem 'asciidoctor', '~> 2.0.10'
 gem 'asciidoctor-include-ext', '~> 0.3.1', require: false
 gem 'asciidoctor-plantuml', '~> 0.0.12'
 gem 'asciidoctor-kroki', '~> 0.5.0', require: false
-gem 'rouge', '~> 3.26.1'
+gem 'rouge', '~> 3.27.0'
 gem 'truncato', '~> 0.7.11'
 gem 'bootstrap_form', '~> 4.2.0'
 gem 'nokogiri', '~> 1.11.4'
diff --git a/Gemfile.lock b/Gemfile.lock
index 2f30df9186..d15a27d60e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1056,7 +1056,7 @@ GEM
     rexml (3.2.5)
     rinku (2.0.0)
     rotp (6.2.0)
-    rouge (3.26.1)
+    rouge (3.27.0)
     rqrcode (0.7.0)
       chunky_png
     rqrcode-rails3 (0.1.7)
@@ -1605,7 +1605,7 @@ DEPENDENCIES
   responders (~> 3.0)
   retriable (~> 3.1.2)
   rexml (~> 3.2.5)
-  rouge (~> 3.26.1)
+  rouge (~> 3.27.0)
   rqrcode-rails3 (~> 0.1.7)
   rspec-parameterized
   rspec-rails (~> 5.0.1)
diff --git a/VERSION b/VERSION
index f8a030aae5..7d6296b6cb 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-14.6.3
\ No newline at end of file
+14.6.4
\ No newline at end of file
diff --git a/app/assets/javascripts/create_item_dropdown.js b/app/assets/javascripts/create_item_dropdown.js
index 1472adf458..b39720c609 100644
--- a/app/assets/javascripts/create_item_dropdown.js
+++ b/app/assets/javascripts/create_item_dropdown.js
@@ -1,4 +1,3 @@
-import { escape } from 'lodash';
 import initDeprecatedJQueryDropdown from '~/deprecated_jquery_dropdown';
 
 export default class CreateItemDropdown {
@@ -37,14 +36,14 @@ export default class CreateItemDropdown {
       },
       selectable: true,
       toggleLabel(selected) {
-        return selected && 'id' in selected ? escape(selected.title) : this.defaultToggleLabel;
+        return selected && 'id' in selected ? selected.title : this.defaultToggleLabel;
       },
       fieldName: this.fieldName,
       text(item) {
-        return escape(item.text);
+        return item.text;
       },
       id(item) {
-        return escape(item.id);
+        return item.id;
       },
       onFilter: this.toggleCreateNewButton.bind(this),
       clicked: (options) => {
diff --git a/app/assets/javascripts/notebook/cells/output/html.vue b/app/assets/javascripts/notebook/cells/output/html.vue
index ca02ee18dd..2d1d8845e4 100644
--- a/app/assets/javascripts/notebook/cells/output/html.vue
+++ b/app/assets/javascripts/notebook/cells/output/html.vue
@@ -30,6 +30,9 @@ export default {
   },
   safeHtmlConfig: {
     ADD_TAGS: ['use'], // to support icon SVGs
+    FORBID_TAGS: ['style'],
+    FORBID_ATTR: ['style'],
+    ALLOW_DATA_ATTR: false,
   },
 };
 </script>
diff --git a/app/assets/javascripts/packages_and_registries/package_registry/components/details/app.vue b/app/assets/javascripts/packages_and_registries/package_registry/components/details/app.vue
index d49c1be520..9f6b23d6cf 100644
--- a/app/assets/javascripts/packages_and_registries/package_registry/components/details/app.vue
+++ b/app/assets/javascripts/packages_and_registries/package_registry/components/details/app.vue
@@ -299,7 +299,7 @@ export default {
 
     <delete-package
       @start="track($options.trackingActions.DELETE_PACKAGE_TRACKING_ACTION)"
-      @end="navigateToListWithSuccessModal"
+      @success="navigateToListWithSuccessModal"
     >
       <template #default="{ deletePackage }">
         <gl-modal
diff --git a/app/assets/javascripts/packages_and_registries/package_registry/components/functional/delete_package.vue b/app/assets/javascripts/packages_and_registries/package_registry/components/functional/delete_package.vue
index 7a85fd3052..7f7edd42c4 100644
--- a/app/assets/javascripts/packages_and_registries/package_registry/components/functional/delete_package.vue
+++ b/app/assets/javascripts/packages_and_registries/package_registry/components/functional/delete_package.vue
@@ -23,6 +23,12 @@ export default {
     successMessage: DELETE_PACKAGE_SUCCESS_MESSAGE,
   },
   methods: {
+    errorMessageFrom(error) {
+      if (typeof error === 'string') {
+        return error;
+      }
+      return error?.message || this.$options.i18n.errorMessage;
+    },
     async deletePackage(packageEntity) {
       try {
         this.$emit('start');
@@ -44,9 +50,10 @@ export default {
             type: 'success',
           });
         }
+        this.$emit('success');
       } catch (error) {
         createFlash({
-          message: this.$options.i18n.errorMessage,
+          message: this.errorMessageFrom(error),
           type: 'warning',
           captureError: true,
           error,
diff --git a/app/controllers/jira_connect/users_controller.rb b/app/controllers/jira_connect/users_controller.rb
index 569dc42fed..a37c68de29 100644
--- a/app/controllers/jira_connect/users_controller.rb
+++ b/app/controllers/jira_connect/users_controller.rb
@@ -5,7 +5,17 @@ class JiraConnect::UsersController < ApplicationController
 
   layout 'signup_onboarding'
 
+  before_action :verify_return_to_url, only: [:show]
+
   def show
     @jira_app_link = params.delete(:return_to)
   end
+
+  private
+
+  def verify_return_to_url
+    return unless params[:return_to].present?
+
+    params.delete(:return_to) unless Integrations::Jira.valid_jira_cloud_url?(params[:return_to])
+  end
 end
diff --git a/app/finders/users_finder.rb b/app/finders/users_finder.rb
index 8054ecbd50..2b4ce61509 100644
--- a/app/finders/users_finder.rb
+++ b/app/finders/users_finder.rb
@@ -74,7 +74,7 @@ class UsersFinder
   def by_search(users)
     return users unless params[:search].present?
 
-    users.search(params[:search])
+    users.search(params[:search], with_private_emails: current_user&.admin?)
   end
 
   def by_blocked(users)
diff --git a/app/graphql/mutations/packages/destroy.rb b/app/graphql/mutations/packages/destroy.rb
index 979a54da6b..50b5190cbf 100644
--- a/app/graphql/mutations/packages/destroy.rb
+++ b/app/graphql/mutations/packages/destroy.rb
@@ -4,6 +4,7 @@ module Mutations
   module Packages
     class Destroy < ::Mutations::BaseMutation
       graphql_name 'DestroyPackage'
+      description 'Destroys a package and its related package files. Restricted to packages with a small number of files'
 
       authorize :destroy_package
 
diff --git a/app/graphql/types/project_type.rb b/app/graphql/types/project_type.rb
index 3d2ee47a49..4e41ad57f4 100644
--- a/app/graphql/types/project_type.rb
+++ b/app/graphql/types/project_type.rb
@@ -432,6 +432,12 @@ module Types
       ::Security::CiConfiguration::SastParserService.new(object).configuration
     end
 
+    def service_desk_address
+      return unless Ability.allowed?(current_user, :admin_issue, project)
+
+      object.service_desk_address
+    end
+
     def tag_list
       object.topic_list
     end
diff --git a/app/models/application_setting.rb b/app/models/application_setting.rb
index 65472615f4..976340338d 100644
--- a/app/models/application_setting.rb
+++ b/app/models/application_setting.rb
@@ -367,6 +367,10 @@ class ApplicationSetting < ApplicationRecord
   validates :invisible_captcha_enabled,
             inclusion: { in: [true, false], message: _('must be a boolean value') }
 
+  validates :max_package_files_for_package_destruction,
+            allow_nil: false,
+            numericality: { only_integer: true, greater_than: 0 }
+
   SUPPORTED_KEY_TYPES.each do |type|
     validates :"#{type}_key_restriction", presence: true, key_restriction: { type: type }
   end
diff --git a/app/models/concerns/integrations/enable_ssl_verification.rb b/app/models/concerns/integrations/enable_ssl_verification.rb
new file mode 100644
index 0000000000..11dc8a76a2
--- /dev/null
+++ b/app/models/concerns/integrations/enable_ssl_verification.rb
@@ -0,0 +1,32 @@
+# frozen_string_literal: true
+
+module Integrations
+  module EnableSslVerification
+    extend ActiveSupport::Concern
+
+    prepended do
+      boolean_accessor :enable_ssl_verification
+    end
+
+    def initialize_properties
+      super
+
+      self.enable_ssl_verification = true if new_record? && enable_ssl_verification.nil?
+    end
+
+    def fields
+      super.tap do |fields|
+        url_index = fields.index { |field| field[:name].ends_with?('_url') }
+        insert_index = url_index ? url_index + 1 : -1
+
+        fields.insert(insert_index, {
+          type: 'checkbox',
+          name: 'enable_ssl_verification',
+          title: s_('Integrations|SSL verification'),
+          checkbox_label: s_('Integrations|Enable SSL verification'),
+          help: s_('Integrations|Clear if using a self-signed certificate.')
+        })
+      end
+    end
+  end
+end
diff --git a/app/models/concerns/integrations/has_web_hook.rb b/app/models/concerns/integrations/has_web_hook.rb
index dabe7152b1..bc28c32695 100644
--- a/app/models/concerns/integrations/has_web_hook.rb
+++ b/app/models/concerns/integrations/has_web_hook.rb
@@ -15,7 +15,11 @@ module Integrations
 
     # Return whether the webhook should use SSL verification.
     def hook_ssl_verification
-      true
+      if respond_to?(:enable_ssl_verification)
+        enable_ssl_verification
+      else
+        true
+      end
     end
 
     # Create or update the webhook, raising an exception if it cannot be saved.
diff --git a/app/models/integrations/bamboo.rb b/app/models/integrations/bamboo.rb
index 0774b84b69..57767c63cf 100644
--- a/app/models/integrations/bamboo.rb
+++ b/app/models/integrations/bamboo.rb
@@ -4,6 +4,7 @@ module Integrations
   class Bamboo < BaseCi
     include ActionView::Helpers::UrlHelper
     include ReactivelyCached
+    prepend EnableSslVerification
 
     prop_accessor :bamboo_url, :build_key, :username, :password
 
@@ -162,7 +163,7 @@ module Integrations
     end
 
     def build_get_params(query_params)
-      params = { verify: false, query: query_params }
+      params = { verify: enable_ssl_verification, query: query_params }
       return params if username.blank? && password.blank?
 
       query_params[:os_authType] = 'basic'
diff --git a/app/models/integrations/buildkite.rb b/app/models/integrations/buildkite.rb
index 9fad3a4264..90593d78a5 100644
--- a/app/models/integrations/buildkite.rb
+++ b/app/models/integrations/buildkite.rb
@@ -137,7 +137,7 @@ module Integrations
     end
 
     def request_options
-      { verify: false, extra_log_info: { project_id: project_id } }
+      { extra_log_info: { project_id: project_id } }
     end
   end
 end
diff --git a/app/models/integrations/drone_ci.rb b/app/models/integrations/drone_ci.rb
index 856d14c022..3c18e5d873 100644
--- a/app/models/integrations/drone_ci.rb
+++ b/app/models/integrations/drone_ci.rb
@@ -5,10 +5,12 @@ module Integrations
     include HasWebHook
     include PushDataValidations
     include ReactivelyCached
+    prepend EnableSslVerification
     extend Gitlab::Utils::Override
 
+    DRONE_SAAS_HOSTNAME = 'cloud.drone.io'
+
     prop_accessor :drone_url, :token
-    boolean_accessor :enable_ssl_verification
 
     validates :drone_url, presence: true, public_url: true, if: :activated?
     validates :token, presence: true, if: :activated?
@@ -95,8 +97,7 @@ module Integrations
     def fields
       [
         { type: 'text', name: 'token', help: s_('ProjectService|Token for the Drone project.'), required: true },
-        { type: 'text', name: 'drone_url', title: s_('ProjectService|Drone server URL'), placeholder: 'http://drone.example.com', required: true },
-        { type: 'checkbox', name: 'enable_ssl_verification', title: "Enable SSL verification" }
+        { type: 'text', name: 'drone_url', title: s_('ProjectService|Drone server URL'), placeholder: 'http://drone.example.com', required: true }
       ]
     end
 
@@ -105,15 +106,24 @@ module Integrations
       [drone_url, "/hook", "?owner=#{project.namespace.full_path}", "&name=#{project.path}", "&access_token=#{token}"].join
     end
 
-    override :hook_ssl_verification
-    def hook_ssl_verification
-      !!enable_ssl_verification
-    end
-
     override :update_web_hook!
     def update_web_hook!
       # If using a service template, project may not be available
       super if project
     end
+
+    def enable_ssl_verification
+      original_value = Gitlab::Utils.to_boolean(properties['enable_ssl_verification'])
+      original_value.nil? ? (new_record? || url_is_saas?) : original_value
+    end
+
+    private
+
+    def url_is_saas?
+      parsed_url = Addressable::URI.parse(drone_url)
+      parsed_url&.scheme == 'https' && parsed_url.hostname == DRONE_SAAS_HOSTNAME
+    rescue Addressable::URI::InvalidURIError
+      false
+    end
   end
 end
diff --git a/app/models/integrations/jenkins.rb b/app/models/integrations/jenkins.rb
index e5c1d5ad0d..5ea92170c2 100644
--- a/app/models/integrations/jenkins.rb
+++ b/app/models/integrations/jenkins.rb
@@ -4,6 +4,7 @@ module Integrations
   class Jenkins < BaseCi
     include HasWebHook
     include ActionView::Helpers::UrlHelper
+    prepend EnableSslVerification
     extend Gitlab::Utils::Override
 
     prop_accessor :jenkins_url, :project_name, :username, :password
diff --git a/app/models/integrations/jira.rb b/app/models/integrations/jira.rb
index d46299de1b..cdf457de47 100644
--- a/app/models/integrations/jira.rb
+++ b/app/models/integrations/jira.rb
@@ -56,6 +56,12 @@ module Integrations
       @reference_pattern ||= /(?<issue>\b#{Gitlab::Regex.jira_issue_key_regex})/
     end
 
+    def self.valid_jira_cloud_url?(url)
+      return false unless url.present?
+
+      !!URI(url).hostname&.end_with?(JIRA_CLOUD_HOST)
+    end
+
     def initialize_properties
       {}
     end
@@ -569,7 +575,7 @@ module Integrations
     end
 
     def jira_cloud?
-      server_info['deploymentType'] == 'Cloud' || URI(client_url).hostname.end_with?(JIRA_CLOUD_HOST)
+      server_info['deploymentType'] == 'Cloud' || self.class.valid_jira_cloud_url?(client_url)
     end
 
     def set_deployment_type_from_url
@@ -582,7 +588,7 @@ module Integrations
       # we can only assume it's either Cloud or Server
       # based on the URL being *.atlassian.net
 
-      if URI(client_url).hostname.end_with?(JIRA_CLOUD_HOST)
+      if self.class.valid_jira_cloud_url?(client_url)
         data_fields.deployment_cloud!
       else
         data_fields.deployment_server!
diff --git a/app/models/integrations/mock_ci.rb b/app/models/integrations/mock_ci.rb
index 7359be83d4..568fb609a4 100644
--- a/app/models/integrations/mock_ci.rb
+++ b/app/models/integrations/mock_ci.rb
@@ -3,6 +3,8 @@
 # For an example companion mocking service, see https://gitlab.com/gitlab-org/gitlab-mock-ci-service
 module Integrations
   class MockCi < BaseCi
+    prepend EnableSslVerification
+
     ALLOWED_STATES = %w[failed canceled running pending success success-with-warnings skipped not_found].freeze
 
     prop_accessor :mock_service_url
@@ -55,7 +57,7 @@ module Integrations
     #   # => 'running'
     #
     def commit_status(sha, ref)
-      response = Gitlab::HTTP.get(commit_status_path(sha), verify: false, use_read_total_timeout: true)
+      response = Gitlab::HTTP.get(commit_status_path(sha), verify: enable_ssl_verification, use_read_total_timeout: true)
       read_commit_status(response)
     rescue Errno::ECONNREFUSED
       :error
@@ -68,19 +70,16 @@ module Integrations
     end
 
     def read_commit_status(response)
-      return :error unless response.code == 200 || response.code == 404
+      return :pending if response.code == 404
+      return :error unless response.code == 200
 
-      status = if response.code == 404
-                 'pending'
-               else
-                 response['status']
-               end
-
-      if status.present? && ALLOWED_STATES.include?(status)
-        status
-      else
-        :error
+      begin
+        status = Gitlab::Json.parse(response.body).try(:fetch, 'status', nil)
+        return status if ALLOWED_STATES.include?(status)
+      rescue JSON::ParserError
       end
+
+      :error
     end
 
     def testable?
diff --git a/app/models/integrations/teamcity.rb b/app/models/integrations/teamcity.rb
index 008b591c30..f0f83f118d 100644
--- a/app/models/integrations/teamcity.rb
+++ b/app/models/integrations/teamcity.rb
@@ -4,6 +4,9 @@ module Integrations
   class Teamcity < BaseCi
     include PushDataValidations
     include ReactivelyCached
+    prepend EnableSslVerification
+
+    TEAMCITY_SAAS_HOSTNAME = /\A[^\.]+\.teamcity\.com\z/i.freeze
 
     prop_accessor :teamcity_url, :build_type, :username, :password
 
@@ -104,8 +107,20 @@ module Integrations
       end
     end
 
+    def enable_ssl_verification
+      original_value = Gitlab::Utils.to_boolean(properties['enable_ssl_verification'])
+      original_value.nil? ? (new_record? || url_is_saas?) : original_value
+    end
+
     private
 
+    def url_is_saas?
+      parsed_url = Addressable::URI.parse(teamcity_url)
+      parsed_url&.scheme == 'https' && parsed_url.hostname.match?(TEAMCITY_SAAS_HOSTNAME)
+    rescue Addressable::URI::InvalidURIError
+      false
+    end
+
     def execute_push(data)
       branch = Gitlab::Git.ref_name(data[:ref])
       post_to_build_queue(data, branch) if push_valid?(data)
@@ -155,7 +170,7 @@ module Integrations
     end
 
     def get_path(path)
-      Gitlab::HTTP.try_get(build_url(path), verify: false, basic_auth: basic_auth, extra_log_info: { project_id: project_id }, use_read_total_timeout: true)
+      Gitlab::HTTP.try_get(build_url(path), verify: enable_ssl_verification, basic_auth: basic_auth, extra_log_info: { project_id: project_id }, use_read_total_timeout: true)
     end
 
     def post_to_build_queue(data, branch)
@@ -165,6 +180,7 @@ module Integrations
               "<buildType id=#{build_type.encode(xml: :attr)}/>"\
               '</build>',
         headers: { 'Content-type' => 'application/xml' },
+        verify: enable_ssl_verification,
         basic_auth: basic_auth,
         use_read_total_timeout: true
       )
diff --git a/app/models/system_note_metadata.rb b/app/models/system_note_metadata.rb
index 7b13109dbc..a3c9db90b5 100644
--- a/app/models/system_note_metadata.rb
+++ b/app/models/system_note_metadata.rb
@@ -10,7 +10,7 @@ class SystemNoteMetadata < ApplicationRecord
   # in the same project (i.e. with the same permissions)
   TYPES_WITH_CROSS_REFERENCES = %w[
     commit cross_reference
-    close duplicate
+    closed duplicate
     moved merge
     label milestone
     relate unrelate
diff --git a/app/models/user.rb b/app/models/user.rb
index a39da30220..4a6fc19ad5 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -658,6 +658,7 @@ class User < ApplicationRecord
     # This method uses ILIKE on PostgreSQL.
     #
     # query - The search query as a String
+    # with_private_emails - include private emails in search
     #
     # Returns an ActiveRecord::Relation.
     def search(query, **options)
@@ -670,14 +671,16 @@ class User < ApplicationRecord
         CASE
           WHEN users.name = :query THEN 0
           WHEN users.username = :query THEN 1
-          WHEN users.email = :query THEN 2
+          WHEN users.public_email = :query THEN 2
           ELSE 3
         END
       SQL
 
       sanitized_order_sql = Arel.sql(sanitize_sql_array([order, query: query]))
 
-      search_with_secondary_emails(query).reorder(sanitized_order_sql, :name)
+      scope = options[:with_private_emails] ? search_with_secondary_emails(query) : search_with_public_emails(query)
+
+      scope.reorder(sanitized_order_sql, :name)
     end
 
     # Limits the result set to users _not_ in the given query/list of IDs.
@@ -692,6 +695,18 @@ class User < ApplicationRecord
       reorder(:name)
     end
 
+    def search_with_public_emails(query)
+      return none if query.blank?
+
+      query = query.downcase
+
+      where(
+        fuzzy_arel_match(:name, query)
+          .or(fuzzy_arel_match(:username, query))
+          .or(arel_table[:public_email].eq(query))
+      )
+    end
+
     def search_without_secondary_emails(query)
       return none if query.blank?
 
diff --git a/app/services/concerns/protected_ref_name_sanitizer.rb b/app/services/concerns/protected_ref_name_sanitizer.rb
deleted file mode 100644
index 3966c410fe..0000000000
--- a/app/services/concerns/protected_ref_name_sanitizer.rb
+++ /dev/null
@@ -1,12 +0,0 @@
-# frozen_string_literal: true
-
-module ProtectedRefNameSanitizer
-  def sanitize_name(name)
-    name = CGI.unescapeHTML(name)
-    name = Sanitize.fragment(name)
-
-    # Sanitize.fragment escapes HTML chars, so unescape again to allow names
-    # like `feature->master`
-    CGI.unescapeHTML(name)
-  end
-end
diff --git a/app/services/packages/destroy_package_service.rb b/app/services/packages/destroy_package_service.rb
index 697f1fa3ac..2238d459be 100644
--- a/app/services/packages/destroy_package_service.rb
+++ b/app/services/packages/destroy_package_service.rb
@@ -7,6 +7,10 @@ module Packages
     def execute
       return service_response_error("You don't have access to this package", 403) unless user_can_delete_package?
 
+      if too_many_package_files?
+        return service_response_error("It's not possible to delete a package with more than #{max_package_files} #{'file'.pluralize(max_package_files)}.", 400)
+      end
+
       package.destroy!
 
       package.sync_maven_metadata(current_user)
@@ -26,6 +30,14 @@ module Packages
       ServiceResponse.success(message: message)
     end
 
+    def too_many_package_files?
+      max_package_files < package.package_files.limit(max_package_files + 1).count
+    end
+
+    def max_package_files
+      ::Gitlab::CurrentSettings.current_application_settings.max_package_files_for_package_destruction
+    end
+
     def user_can_delete_package?
       can?(current_user, :destroy_package, package.project)
     end
diff --git a/app/services/protected_branches/base_service.rb b/app/services/protected_branches/base_service.rb
index 1ab3ccfcaa..f48e02ab4b 100644
--- a/app/services/protected_branches/base_service.rb
+++ b/app/services/protected_branches/base_service.rb
@@ -2,8 +2,6 @@
 
 module ProtectedBranches
   class BaseService < ::BaseService
-    include ProtectedRefNameSanitizer
-
     # current_user - The user that performs the action
     # params - A hash of parameters
     def initialize(project, current_user = nil, params = {})
@@ -15,14 +13,5 @@ module ProtectedBranches
     def after_execute(*)
       # overridden in EE::ProtectedBranches module
     end
-
-    private
-
-    def filtered_params
-      return unless params
-
-      params[:name] = sanitize_name(params[:name]) if params[:name].present?
-      params
-    end
   end
 end
diff --git a/app/services/protected_branches/create_service.rb b/app/services/protected_branches/create_service.rb
index ea494dd442..dada449989 100644
--- a/app/services/protected_branches/create_service.rb
+++ b/app/services/protected_branches/create_service.rb
@@ -21,7 +21,7 @@ module ProtectedBranches
     end
 
     def protected_branch
-      @protected_branch ||= project.protected_branches.new(filtered_params)
+      @protected_branch ||= project.protected_branches.new(params)
     end
   end
 end
diff --git a/app/services/protected_branches/update_service.rb b/app/services/protected_branches/update_service.rb
index 40e9a286af..1e70f2d979 100644
--- a/app/services/protected_branches/update_service.rb
+++ b/app/services/protected_branches/update_service.rb
@@ -8,7 +8,7 @@ module ProtectedBranches
       old_merge_access_levels = protected_branch.merge_access_levels.map(&:clone)
       old_push_access_levels = protected_branch.push_access_levels.map(&:clone)
 
-      if protected_branch.update(filtered_params)
+      if protected_branch.update(params)
         after_execute(protected_branch: protected_branch, old_merge_access_levels: old_merge_access_levels, old_push_access_levels: old_push_access_levels)
       end
 
diff --git a/app/services/protected_tags/base_service.rb b/app/services/protected_tags/base_service.rb
deleted file mode 100644
index e0181815f0..0000000000
--- a/app/services/protected_tags/base_service.rb
+++ /dev/null
@@ -1,16 +0,0 @@
-# frozen_string_literal: true
-
-module ProtectedTags
-  class BaseService < ::BaseService
-    include ProtectedRefNameSanitizer
-
-    private
-
-    def filtered_params
-      return unless params
-
-      params[:name] = sanitize_name(params[:name]) if params[:name].present?
-      params
-    end
-  end
-end
diff --git a/app/services/protected_tags/create_service.rb b/app/services/protected_tags/create_service.rb
index 7d2b583a29..65303f21a4 100644
--- a/app/services/protected_tags/create_service.rb
+++ b/app/services/protected_tags/create_service.rb
@@ -1,13 +1,13 @@
 # frozen_string_literal: true
 
 module ProtectedTags
-  class CreateService < ProtectedTags::BaseService
+  class CreateService < ::BaseService
     attr_reader :protected_tag
 
     def execute
       raise Gitlab::Access::AccessDeniedError unless can?(current_user, :admin_project, project)
 
-      project.protected_tags.create(filtered_params)
+      project.protected_tags.create(params)
     end
   end
 end
diff --git a/app/services/protected_tags/update_service.rb b/app/services/protected_tags/update_service.rb
index e337ec3989..283aa8882c 100644
--- a/app/services/protected_tags/update_service.rb
+++ b/app/services/protected_tags/update_service.rb
@@ -1,11 +1,11 @@
 # frozen_string_literal: true
 
 module ProtectedTags
-  class UpdateService < ProtectedTags::BaseService
+  class UpdateService < ::BaseService
     def execute(protected_tag)
       raise Gitlab::Access::AccessDeniedError unless can?(current_user, :admin_project, project)
 
-      protected_tag.update(filtered_params)
+      protected_tag.update(params)
       protected_tag
     end
   end
diff --git a/app/views/devise/confirmations/new.html.haml b/app/views/devise/confirmations/new.html.haml
index eee223ff63..2ae950f3b0 100644
--- a/app/views/devise/confirmations/new.html.haml
+++ b/app/views/devise/confirmations/new.html.haml
@@ -6,7 +6,7 @@
         = render "devise/shared/error_messages", resource: resource
       .form-group
         = f.label :email
-        = f.email_field :email, class: "form-control gl-form-input", required: true, title: _('Please provide a valid email address.'), value: nil
+        = f.email_field :email, class: "form-control gl-form-input", required: true, autocomplete: 'off', title: _('Please provide a valid email address.'), value: nil
 
       %div
       - if recaptcha_enabled?
diff --git a/app/views/devise/passwords/new.html.haml b/app/views/devise/passwords/new.html.haml
index 7bbde4a39c..d537286212 100644
--- a/app/views/devise/passwords/new.html.haml
+++ b/app/views/devise/passwords/new.html.haml
@@ -5,7 +5,7 @@
         = render "devise/shared/error_messages", resource: resource
       .form-group
         = f.label :email
-        = f.email_field :email, class: "form-control gl-form-input", required: true, value: params[:user_email], autofocus: true, title: _('Please provide a valid email address.')
+        = f.email_field :email, class: "form-control gl-form-input", required: true, autocomplete: 'off', value: params[:user_email], autofocus: true, title: _('Please provide a valid email address.')
         .form-text.text-muted
           = _('Requires your primary GitLab email address.')
 
diff --git a/app/views/groups/_import_group_from_another_instance_panel.html.haml b/app/views/groups/_import_group_from_another_instance_panel.html.haml
index 06a86c2465..3b079ea00b 100644
--- a/app/views/groups/_import_group_from_another_instance_panel.html.haml
+++ b/app/views/groups/_import_group_from_another_instance_panel.html.haml
@@ -26,6 +26,7 @@
         = s_('GroupsNew|Navigate to user settings to find your %{link_start}personal access token%{link_end}.').html_safe % { link_start: pat_link_start, link_end: '</a>'.html_safe }
       = f.text_field :bulk_import_gitlab_access_token, placeholder: s_('GroupsNew|e.g. h8d3f016698e...'), class: 'gl-form-input gl-mt-3 col-xs-12 col-sm-8',
         required: true,
+        autocomplete: 'off',
         title: s_('GroupsNew|Please fill in your personal access token.'),
         id: 'import_gitlab_token',
         data: { qa_selector: 'import_gitlab_token' }
diff --git a/app/workers/irker_worker.rb b/app/workers/irker_worker.rb
index 3097a9fbc0..4f51bb69b8 100644
--- a/app/workers/irker_worker.rb
+++ b/app/workers/irker_worker.rb
@@ -2,6 +2,7 @@
 
 require 'json'
 require 'socket'
+require 'resolv'
 
 class IrkerWorker # rubocop:disable Scalability/IdempotentWorker
   include ApplicationWorker
@@ -43,9 +44,18 @@ class IrkerWorker # rubocop:disable Scalability/IdempotentWorker
   private
 
   def start_connection(irker_server, irker_port)
+    ip_address = Resolv.getaddress(irker_server)
+    # handle IP6 addresses
+    domain = Resolv::IPv6::Regex.match?(ip_address) ? "[#{ip_address}]" : ip_address
+
     begin
-      @socket = TCPSocket.new irker_server, irker_port
-    rescue Errno::ECONNREFUSED => e
+      Gitlab::UrlBlocker.validate!(
+        "irc://#{domain}",
+        allow_localhost: allow_local_requests?,
+        allow_local_network: allow_local_requests?,
+        schemes: ['irc'])
+      @socket = TCPSocket.new ip_address, irker_port
+    rescue Errno::ECONNREFUSED, Gitlab::UrlBlocker::BlockedUrlError => e
       logger.fatal "Can't connect to Irker daemon: #{e}"
       return false
     end
@@ -53,6 +63,10 @@ class IrkerWorker # rubocop:disable Scalability/IdempotentWorker
     true
   end
 
+  def allow_local_requests?
+    Gitlab::CurrentSettings.allow_local_requests_from_web_hooks_and_services?
+  end
+
   def send_to_irker(privmsg)
     to_send = { to: @channels, privmsg: privmsg }
 
diff --git a/db/migrate/20220113135449_add_package_files_limit_to_application_settings.rb b/db/migrate/20220113135449_add_package_files_limit_to_application_settings.rb
new file mode 100644
index 0000000000..6d3deacdda
--- /dev/null
+++ b/db/migrate/20220113135449_add_package_files_limit_to_application_settings.rb
@@ -0,0 +1,7 @@
+# frozen_string_literal: true
+
+class AddPackageFilesLimitToApplicationSettings < Gitlab::Database::Migration[1.0]
+  def change
+    add_column :application_settings, :max_package_files_for_package_destruction, :smallint, default: 100, null: false
+  end
+end
diff --git a/db/migrate/20220113135924_add_application_settings_package_files_limit_constraints.rb b/db/migrate/20220113135924_add_application_settings_package_files_limit_constraints.rb
new file mode 100644
index 0000000000..65fbccbd1a
--- /dev/null
+++ b/db/migrate/20220113135924_add_application_settings_package_files_limit_constraints.rb
@@ -0,0 +1,15 @@
+# frozen_string_literal: true
+
+class AddApplicationSettingsPackageFilesLimitConstraints < Gitlab::Database::Migration[1.0]
+  CONSTRAINT_NAME = 'app_settings_max_package_files_for_package_destruction_positive'
+
+  disable_ddl_transaction!
+
+  def up
+    add_check_constraint :application_settings, 'max_package_files_for_package_destruction > 0', CONSTRAINT_NAME
+  end
+
+  def down
+    remove_check_constraint :application_settings, CONSTRAINT_NAME
+  end
+end
diff --git a/db/schema_migrations/20220113135449 b/db/schema_migrations/20220113135449
new file mode 100644
index 0000000000..57e6ede94b
--- /dev/null
+++ b/db/schema_migrations/20220113135449
@@ -0,0 +1 @@
+46796379175ce9343907234d3ae14a417442c7c5ebbfcf6987db1d759eca2c3a
\ No newline at end of file
diff --git a/db/schema_migrations/20220113135924 b/db/schema_migrations/20220113135924
new file mode 100644
index 0000000000..41328a43c3
--- /dev/null
+++ b/db/schema_migrations/20220113135924
@@ -0,0 +1 @@
+2a230758c13111c9e3738794008c31a3608dda2f0d071fbde0ad3cd782d29162
\ No newline at end of file
diff --git a/db/structure.sql b/db/structure.sql
index 716b3e89be..63bd5127e2 100644
--- a/db/structure.sql
+++ b/db/structure.sql
@@ -10481,9 +10481,11 @@ CREATE TABLE application_settings (
     max_ssh_key_lifetime integer,
     static_objects_external_storage_auth_token_encrypted text,
     future_subscriptions jsonb DEFAULT '[]'::jsonb NOT NULL,
+    max_package_files_for_package_destruction smallint DEFAULT 100 NOT NULL,
     CONSTRAINT app_settings_container_reg_cleanup_tags_max_list_size_positive CHECK ((container_registry_cleanup_tags_service_max_list_size >= 0)),
     CONSTRAINT app_settings_dep_proxy_ttl_policies_worker_capacity_positive CHECK ((dependency_proxy_ttl_group_policy_worker_capacity >= 0)),
     CONSTRAINT app_settings_ext_pipeline_validation_service_url_text_limit CHECK ((char_length(external_pipeline_validation_service_url) <= 255)),
+    CONSTRAINT app_settings_max_package_files_for_package_destruction_positive CHECK ((max_package_files_for_package_destruction > 0)),
     CONSTRAINT app_settings_registry_exp_policies_worker_capacity_positive CHECK ((container_registry_expiration_policies_worker_capacity >= 0)),
     CONSTRAINT app_settings_yaml_max_depth_positive CHECK ((max_yaml_depth > 0)),
     CONSTRAINT app_settings_yaml_max_size_positive CHECK ((max_yaml_size_bytes > 0)),
diff --git a/doc/api/graphql/reference/index.md b/doc/api/graphql/reference/index.md
index 123e65162d..bce60bb6cb 100644
--- a/doc/api/graphql/reference/index.md
+++ b/doc/api/graphql/reference/index.md
@@ -2154,6 +2154,8 @@ Input type: `DestroyNoteInput`
 
 ### `Mutation.destroyPackage`
 
+Destroys a package and its related package files. Restricted to packages with a small number of files.
+
 Input type: `DestroyPackageInput`
 
 #### Arguments
@@ -15647,7 +15649,7 @@ Represents an issue link of a vulnerability.
 | Name | Type | Description |
 | ---- | ---- | ----------- |
 | <a id="vulnerabilityissuelinkid"></a>`id` | [`ID!`](#id) | GraphQL ID of the vulnerability. |
-| <a id="vulnerabilityissuelinkissue"></a>`issue` | [`Issue!`](#issue) | Issue attached to issue link. |
+| <a id="vulnerabilityissuelinkissue"></a>`issue` | [`Issue`](#issue) | Issue attached to issue link. |
 | <a id="vulnerabilityissuelinklinktype"></a>`linkType` | [`VulnerabilityIssueLinkType!`](#vulnerabilityissuelinktype) | Type of the issue link. |
 
 ### `VulnerabilityLink`
diff --git a/doc/api/integrations.md b/doc/api/integrations.md
index 8f57e915b4..933484551e 100644
--- a/doc/api/integrations.md
+++ b/doc/api/integrations.md
@@ -165,6 +165,7 @@ Parameters:
 | Parameter | Type | Required | Description |
 | --------- | ---- | -------- | ----------- |
 | `bamboo_url` | string | true | Bamboo root URL. For example, `https://bamboo.example.com`. |
+| `enable_ssl_verification` | boolean | false | Enable SSL verification. Defaults to true (enabled). |
 | `build_key` | string | true | Bamboo build plan key like KEY |
 | `username` | string | true | A user with API access, if applicable |
 | `password` | string | true | Password of the user |
@@ -519,7 +520,7 @@ Parameters:
 | --------- | ---- | -------- | ----------- |
 | `token` | string | true | Drone CI project specific token |
 | `drone_url` | string | true | `http://drone.example.com` |
-| `enable_ssl_verification` | boolean | false | Enable SSL verification |
+| `enable_ssl_verification` | boolean | false | Enable SSL verification. Defaults to true (enabled). |
 | `push_events` | boolean | false | Enable notifications for push events |
 | `merge_requests_events` | boolean | false | Enable notifications for merge request events |
 | `tag_push_events` | boolean | false | Enable notifications for tag push events |
@@ -1394,6 +1395,7 @@ Parameters:
 | Parameter | Type | Required | Description |
 | --------- | ---- | -------- | ----------- |
 | `teamcity_url` | string | true | TeamCity root URL. For example, `https://teamcity.example.com` |
+| `enable_ssl_verification` | boolean | false | Enable SSL verification. Defaults to true (enabled). |
 | `build_type` | string | true | Build configuration ID |
 | `username` | string | true | A user with permissions to trigger a manual build |
 | `password` | string | true | The password of the user |
@@ -1432,6 +1434,7 @@ Parameters:
 | Parameter | Type | Required | Description |
 | --------- | ---- | -------- | ----------- |
 | `jenkins_url` | string | true | Jenkins URL like `http://jenkins.example.com`. |
+| `enable_ssl_verification` | boolean | false | Enable SSL verification. Defaults to true (enabled). |
 | `project_name` | string | true | The URL-friendly project name. Example: `my_project_name`. |
 | `username` | string | false | Username for authentication with the Jenkins server, if authentication is required by the server. |
 | `password` | string | false | Password for authentication with the Jenkins server, if authentication is required by the server. |
@@ -1511,6 +1514,7 @@ Parameters:
 | Parameter | Type | Required | Description |
 | --------- | ---- | -------- | ----------- |
 | `mock_service_url` | string | true | `http://localhost:4004` |
+| `enable_ssl_verification` | boolean | false | Enable SSL verification. Defaults to true (enabled). |
 
 ### Disable MockCI integration
 
diff --git a/doc/api/members.md b/doc/api/members.md
index bc476980d2..ff21d7dbcd 100644
--- a/doc/api/members.md
+++ b/doc/api/members.md
@@ -262,11 +262,11 @@ respectively.
 GET /groups/:id/billable_members
 ```
 
-| Attribute | Type | Required | Description |
-| --------- | ---- | -------- | ----------- |
+| Attribute | Type | Required | Description                                                                                                  |
+| --------- | ---- | -------- |--------------------------------------------------------------------------------------------------------------|
 | `id`      | integer/string | yes | The ID or [URL-encoded path of the group](index.md#namespaced-path-encoding) owned by the authenticated user |
-| `search`  | string         | no  | A query string to search for group members by name, username, or email. |
-| `sort`    | string         | no  | A query string containing parameters that specify the sort attribute and order. See supported values below.|
+| `search`  | string         | no  | A query string to search for group members by name, username, or public email.                               |
+| `sort`    | string         | no  | A query string containing parameters that specify the sort attribute and order. See supported values below.  |
 
 The supported values for the `sort` attribute are:
 
diff --git a/doc/api/packages.md b/doc/api/packages.md
index a75b2e376f..b34bcf6afb 100644
--- a/doc/api/packages.md
+++ b/doc/api/packages.md
@@ -333,6 +333,9 @@ By default, the `GET` request returns 20 results, because the API is [paginated]
 
 > [Introduced](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/9623) in GitLab 11.9.
 
+WARNING:
+This endpoint is restricted to the limit set in [Updating the package files limit](#updating-the-package-files-limit).
+
 Deletes a project package.
 
 ```plaintext
@@ -352,6 +355,17 @@ Can return the following status codes:
 
 - `204 No Content`, if the package was deleted successfully.
 - `404 Not Found`, if the package was not found.
+- `400 Bad Request`, if the package has too many package files.
+
+### Updating the package files limit
+
+For scalability reasons, deleting a package is limited to packages with less than 100 files. An
+administrator can update this limit through the [Rails console](../administration/operations/rails_console.md#starting-a-rails-console-session).
+For example, this command updates this limit to 50 files:
+
+```ruby
+ApplicationSetting.last.update(max_package_files_for_package_destruction: 50)
+```
 
 ## Delete a package file
 
diff --git a/doc/api/status_checks.md b/doc/api/status_checks.md
index c0dba71bdc..7de188ad18 100644
--- a/doc/api/status_checks.md
+++ b/doc/api/status_checks.md
@@ -45,6 +45,7 @@ GET /projects/:id/merge_requests/:merge_request_iid/status_checks
 ## Set status of an external status check
 
 For a single merge request, use the API to inform GitLab that a merge request has passed a check by an external service.
+To set the status of an external check, the personal access token used must belong to a user with at least the developer role on the target project of the merge request.
 
 ```plaintext
 POST /projects/:id/merge_requests/:merge_request_iid/status_check_responses
diff --git a/doc/api/users.md b/doc/api/users.md
index 292dc411e5..0025c227d1 100644
--- a/doc/api/users.md
+++ b/doc/api/users.md
@@ -39,7 +39,7 @@ GET /users
 ]
 ```
 
-You can also search for users by name, username, primary email, or secondary email, by using `?search=`. For example. `/users?search=John`.
+You can also search for users by name, username or public email by using `?search=`. For example. `/users?search=John`.
 
 In addition, you can lookup users by username:
 
diff --git a/lib/api/helpers/integrations_helpers.rb b/lib/api/helpers/integrations_helpers.rb
index e7fdb6645a..a67d7717a8 100644
--- a/lib/api/helpers/integrations_helpers.rb
+++ b/lib/api/helpers/integrations_helpers.rb
@@ -196,6 +196,12 @@ module API
               type: String,
               desc: 'Bamboo root URL like https://bamboo.example.com'
             },
+            {
+              required: false,
+              name: :enable_ssl_verification,
+              type: Boolean,
+              desc: 'Enable SSL verification'
+            },
             {
               required: true,
               name: :build_key,
@@ -360,7 +366,7 @@ module API
               required: false,
               name: :enable_ssl_verification,
               type: Boolean,
-              desc: 'Enable SSL verification for communication'
+              desc: 'Enable SSL verification'
             }
           ],
           'emails-on-push' => [
@@ -459,6 +465,12 @@ module API
               type: String,
               desc: 'Jenkins root URL like https://jenkins.example.com'
             },
+            {
+              required: false,
+              name: :enable_ssl_verification,
+              type: Boolean,
+              desc: 'Enable SSL verification'
+            },
             {
               required: true,
               name: :project_name,
@@ -740,6 +752,12 @@ module API
               type: String,
               desc: 'TeamCity root URL like https://teamcity.example.com'
             },
+            {
+              required: false,
+              name: :enable_ssl_verification,
+              type: Boolean,
+              desc: 'Enable SSL verification'
+            },
             {
               required: true,
               name: :build_type,
diff --git a/lib/api/project_packages.rb b/lib/api/project_packages.rb
index 54c0a0628a..b06d068502 100644
--- a/lib/api/project_packages.rb
+++ b/lib/api/project_packages.rb
@@ -71,7 +71,11 @@ module API
           .new(user_project, params[:package_id]).execute
 
         destroy_conditionally!(package) do |package|
-          ::Packages::DestroyPackageService.new(container: package, current_user: current_user).execute
+          result = ::Packages::DestroyPackageService.new(container: package, current_user: current_user).execute
+
+          unless result.success?
+            render_api_error!(result.message, result.http_status)
+          end
         end
       end
     end
diff --git a/lib/banzai/filter/blockquote_fence_filter.rb b/lib/banzai/filter/blockquote_fence_filter.rb
index 8f5ad9981e..e07cbfe8d8 100644
--- a/lib/banzai/filter/blockquote_fence_filter.rb
+++ b/lib/banzai/filter/blockquote_fence_filter.rb
@@ -6,7 +6,7 @@ module Banzai
       REGEX = %r{
           #{::Gitlab::Regex.markdown_code_or_html_blocks}
         |
-          (?:
+          (?=^>>>\ *\n.*\n>>>\ *$)(?:
             # Blockquote:
             # >>>
             # Anything, including code and HTML blocks
diff --git a/lib/gitlab/url_blocker.rb b/lib/gitlab/url_blocker.rb
index f092e03046..48228ede68 100644
--- a/lib/gitlab/url_blocker.rb
+++ b/lib/gitlab/url_blocker.rb
@@ -148,9 +148,17 @@ module Gitlab
         unless allow_local_network
           validate_local_network(address_info)
           validate_link_local(address_info)
+          validate_shared_address(address_info)
         end
       end
 
+      def validate_shared_address(addrs_info)
+        netmask = IPAddr.new('100.64.0.0/10')
+        return unless addrs_info.any? { |addr| netmask.include?(addr.ip_address) }
+
+        raise BlockedUrlError, "Requests to the shared address space are not allowed"
+      end
+
       def get_port(uri)
         uri.port || uri.default_port
       end
diff --git a/locale/gitlab.pot b/locale/gitlab.pot
index 376b87d843..9846d3a523 100644
--- a/locale/gitlab.pot
+++ b/locale/gitlab.pot
@@ -18998,6 +18998,9 @@ msgstr ""
 msgid "Integrations|Browser limitations"
 msgstr ""
 
+msgid "Integrations|Clear if using a self-signed certificate."
+msgstr ""
+
 msgid "Integrations|Comment detail:"
 msgstr ""
 
@@ -19028,6 +19031,9 @@ msgstr ""
 msgid "Integrations|Enable GitLab.com slash commands in a Slack workspace."
 msgstr ""
 
+msgid "Integrations|Enable SSL verification"
+msgstr ""
+
 msgid "Integrations|Enable comments"
 msgstr ""
 
@@ -19106,6 +19112,9 @@ msgstr ""
 msgid "Integrations|Return to GitLab for Jira"
 msgstr ""
 
+msgid "Integrations|SSL verification"
+msgstr ""
+
 msgid "Integrations|Save settings?"
 msgstr ""
 
diff --git a/package.json b/package.json
index 4310081acf..69a7f48bc0 100644
--- a/package.json
+++ b/package.json
@@ -150,7 +150,7 @@
     "lowlight": "^1.20.0",
     "marked": "^0.3.12",
     "mathjax": "3",
-    "mermaid": "^8.13.4",
+    "mermaid": "^8.13.10",
     "minimatch": "^3.0.4",
     "monaco-editor": "^0.25.2",
     "monaco-editor-webpack-plugin": "^4.0.0",
diff --git a/spec/features/groups/members/manage_members_spec.rb b/spec/features/groups/members/manage_members_spec.rb
index 0ce50107e5..e5dad5ee4b 100644
--- a/spec/features/groups/members/manage_members_spec.rb
+++ b/spec/features/groups/members/manage_members_spec.rb
@@ -103,7 +103,7 @@ RSpec.describe 'Groups > Members > Manage members' do
     find('[data-testid="members-token-select-input"]').set('undisclosed_email@gitlab.com')
     wait_for_requests
 
-    expect(page).to have_content("Jane 'invisible' Doe")
+    expect(page).to have_content('Invite "undisclosed_email@gitlab.com" by email')
   end
 
   context 'when Invite Members modal is disabled' do
@@ -129,7 +129,7 @@ RSpec.describe 'Groups > Members > Manage members' do
       select_input.send_keys('undisclosed_email@gitlab.com')
       wait_for_requests
 
-      expect(page).to have_content("Jane 'invisible' Doe")
+      expect(page).to have_content('Invite "undisclosed_email@gitlab.com" by email')
     end
   end
 
diff --git a/spec/features/issues/notes_on_issues_spec.rb b/spec/features/issues/notes_on_issues_spec.rb
index be85d73d77..4e98062e8b 100644
--- a/spec/features/issues/notes_on_issues_spec.rb
+++ b/spec/features/issues/notes_on_issues_spec.rb
@@ -91,4 +91,62 @@ RSpec.describe 'Create notes on issues', :js do
 
     expect(page).to have_selector '.gfm-project_member.current-user', text: user.username
   end
+
+  shared_examples "when reference belongs to a private project" do
+    let(:project) { create(:project, :private, :repository) }
+    let(:issue) { create(:issue, project: project) }
+
+    before do
+      sign_in(user)
+    end
+
+    context 'when the user does not have permission to see the reference' do
+      before do
+        project.add_guest(user)
+      end
+
+      it 'does not show the user the reference' do
+        visit project_issue_path(project, issue)
+
+        expect(page).not_to have_content('closed via')
+      end
+    end
+
+    context 'when the user has permission to see the reference' do
+      before do
+        project.add_developer(user)
+      end
+
+      it 'shows the user the reference' do
+        visit project_issue_path(project, issue)
+
+        page.within('div#notes li.note .system-note-message') do
+          expect(page).to have_content('closed via')
+          expect(page.find('a')).to have_content(reference_content)
+        end
+      end
+    end
+  end
+
+  context 'when the issue is closed via a merge request' do
+    it_behaves_like "when reference belongs to a private project" do
+      let(:reference) { create(:merge_request, source_project: project) }
+      let(:reference_content) { reference.to_reference }
+
+      before do
+        create(:resource_state_event, issue: issue, state: :closed, created_at: '2020-02-05', source_merge_request: reference)
+      end
+    end
+  end
+
+  context 'when the issue is closed via a commit' do
+    it_behaves_like "when reference belongs to a private project" do
+      let(:reference) { create(:commit, project: project) }
+      let(:reference_content) { reference.short_sha }
+
+      before do
+        create(:resource_state_event, issue: issue, state: :closed, created_at: '2020-02-05', source_commit: reference.id)
+      end
+    end
+  end
 end
diff --git a/spec/features/issues/user_comments_on_issue_spec.rb b/spec/features/issues/user_comments_on_issue_spec.rb
index 09d3ad1564..4083b2a9e9 100644
--- a/spec/features/issues/user_comments_on_issue_spec.rb
+++ b/spec/features/issues/user_comments_on_issue_spec.rb
@@ -49,7 +49,7 @@ RSpec.describe "User comments on issue", :js do
 
       add_note(comment)
 
-      expect(page.find('svg.mermaid')).to have_content html_content
+      expect(page.find('svg.mermaid')).not_to have_content html_content
       within('svg.mermaid') { expect(page).not_to have_selector('img') }
     end
 
diff --git a/spec/features/projects/packages_spec.rb b/spec/features/projects/packages_spec.rb
index 7fcc8200b1..fa5d9f1c3a 100644
--- a/spec/features/projects/packages_spec.rb
+++ b/spec/features/projects/packages_spec.rb
@@ -50,6 +50,22 @@ RSpec.describe 'Packages' do
           expect(page).to have_content 'Package deleted successfully'
           expect(page).not_to have_content(package.name)
         end
+
+        context 'with too many package files' do
+          let_it_be(:package_files) { create_list(:package_file, 3, package: package) }
+
+          before do
+            stub_application_setting(max_package_files_for_package_destruction: 1)
+          end
+
+          it 'returns an error' do
+            first('[title="Remove package"]').click
+            click_button('Delete package')
+
+            expect(page).to have_content "It's not possible to delete a package with more than 1 file."
+            expect(page).to have_content(package.name)
+          end
+        end
       end
 
       it_behaves_like 'shared package sorting' do
diff --git a/spec/features/protected_branches_spec.rb b/spec/features/protected_branches_spec.rb
index 15ec11c256..05070e3afd 100644
--- a/spec/features/protected_branches_spec.rb
+++ b/spec/features/protected_branches_spec.rb
@@ -53,6 +53,17 @@ RSpec.describe 'Protected Branches', :js do
       sign_in(user)
     end
 
+    it 'allows to create a protected branch with name containing HTML tags' do
+      visit project_protected_branches_path(project)
+      set_defaults
+      set_protected_branch_name('foo<b>bar<\b>')
+      click_on "Protect"
+
+      within(".protected-branches-list") { expect(page).to have_content('foo<b>bar<\b>') }
+      expect(ProtectedBranch.count).to eq(1)
+      expect(ProtectedBranch.last.name).to eq('foo<b>bar<\b>')
+    end
+
     describe 'Delete protected branch' do
       before do
         create(:protected_branch, project: project, name: 'fix')
diff --git a/spec/finders/users_finder_spec.rb b/spec/finders/users_finder_spec.rb
index b0f8b80314..fab48cf317 100644
--- a/spec/finders/users_finder_spec.rb
+++ b/spec/finders/users_finder_spec.rb
@@ -39,6 +39,12 @@ RSpec.describe UsersFinder do
         expect(users).to contain_exactly(blocked_user)
       end
 
+      it 'does not filter by private emails search' do
+        users = described_class.new(user, search: normal_user.email).execute
+
+        expect(users).to be_empty
+      end
+
       it 'filters by blocked users' do
         users = described_class.new(user, blocked: true).execute
 
@@ -135,6 +141,12 @@ RSpec.describe UsersFinder do
 
         expect(users).to contain_exactly(normal_user)
       end
+
+      it 'filters by private emails search' do
+        users = described_class.new(admin, search: normal_user.email).execute
+
+        expect(users).to contain_exactly(normal_user)
+      end
     end
   end
 end
diff --git a/spec/frontend/create_item_dropdown_spec.js b/spec/frontend/create_item_dropdown_spec.js
index 56c09cd731..143ccb9b93 100644
--- a/spec/frontend/create_item_dropdown_spec.js
+++ b/spec/frontend/create_item_dropdown_spec.js
@@ -17,6 +17,11 @@ const DROPDOWN_ITEM_DATA = [
     id: 'three',
     text: 'three',
   },
+  {
+    title: '<b>four</b>title',
+    id: '<b>four</b>id',
+    text: '<b>four</b>text',
+  },
 ];
 
 describe('CreateItemDropdown', () => {
@@ -63,6 +68,10 @@ describe('CreateItemDropdown', () => {
       const $itemEls = $wrapperEl.find('.js-dropdown-content a');
 
       expect($itemEls.length).toEqual(DROPDOWN_ITEM_DATA.length);
+
+      DROPDOWN_ITEM_DATA.forEach((dataItem, i) => {
+        expect($($itemEls[i]).text()).toEqual(dataItem.text);
+      });
     });
   });
 
@@ -177,7 +186,7 @@ describe('CreateItemDropdown', () => {
       const $itemEls = $wrapperEl.find('.js-dropdown-content a');
 
       expect($itemEls.length).toEqual(1 + DROPDOWN_ITEM_DATA.length);
-      expect($($itemEls[3]).text()).toEqual('new-item-text');
+      expect($($itemEls[DROPDOWN_ITEM_DATA.length]).text()).toEqual('new-item-text');
       expect($wrapperEl.find('.dropdown-toggle-text').text()).toEqual('new-item-title');
     });
   });
diff --git a/spec/frontend/notebook/cells/output/html_sanitize_fixtures.js b/spec/frontend/notebook/cells/output/html_sanitize_fixtures.js
index 803ac4a219..70c7f56b62 100644
--- a/spec/frontend/notebook/cells/output/html_sanitize_fixtures.js
+++ b/spec/frontend/notebook/cells/output/html_sanitize_fixtures.js
@@ -16,13 +16,20 @@ export default [
     'text/html table',
     {
       input: [
-        '<table>\n',
+        '<style type="text/css">\n',
+        '\n',
+        'body {\n',
+        '  background: red;\n',
+        '}\n',
+        '\n',
+        '</style>\n',
+        '<table data-myattr="XSS">\n',
         '<tr>\n',
         '<th>Header 1</th>\n',
         '<th>Header 2</th>\n',
         '</tr>\n',
         '<tr>\n',
-        '<td>row 1, cell 1</td>\n',
+        '<td style="background: red;">row 1, cell 1</td>\n',
         '<td>row 1, cell 2</td>\n',
         '</tr>\n',
         '<tr>\n',
diff --git a/spec/frontend/packages_and_registries/package_registry/components/details/app_spec.js b/spec/frontend/packages_and_registries/package_registry/components/details/app_spec.js
index 0bea84693f..d3ec4e9dba 100644
--- a/spec/frontend/packages_and_registries/package_registry/components/details/app_spec.js
+++ b/spec/frontend/packages_and_registries/package_registry/components/details/app_spec.js
@@ -209,7 +209,7 @@ describe('PackagesApp', () => {
 
         await waitForPromises();
 
-        findDeletePackage().vm.$emit('end');
+        findDeletePackage().vm.$emit('success');
 
         expect(window.location.replace).toHaveBeenCalledWith(
           'projectListUrl?showSuccessDeleteAlert=true',
@@ -223,7 +223,7 @@ describe('PackagesApp', () => {
 
         await waitForPromises();
 
-        findDeletePackage().vm.$emit('end');
+        findDeletePackage().vm.$emit('success');
 
         expect(window.location.replace).toHaveBeenCalledWith(
           'groupListUrl?showSuccessDeleteAlert=true',
diff --git a/spec/frontend/packages_and_registries/package_registry/components/functional/delete_package_spec.js b/spec/frontend/packages_and_registries/package_registry/components/functional/delete_package_spec.js
index 5de30829fa..0492edf42f 100644
--- a/spec/frontend/packages_and_registries/package_registry/components/functional/delete_package_spec.js
+++ b/spec/frontend/packages_and_registries/package_registry/components/functional/delete_package_spec.js
@@ -99,12 +99,13 @@ describe('DeletePackage', () => {
   });
 
   describe('on mutation success', () => {
-    it('emits end event', async () => {
+    it('emits end and success events', async () => {
       createComponent();
 
       await clickOnButtonAndWait(eventPayload);
 
       expect(wrapper.emitted('end')).toEqual([[]]);
+      expect(wrapper.emitted('success')).toEqual([[]]);
     });
 
     it('does not call createFlash', async () => {
@@ -128,10 +129,10 @@ describe('DeletePackage', () => {
   });
 
   describe.each`
-    errorType            | mutationResolverResponse
-    ${'connectionError'} | ${jest.fn().mockRejectedValue()}
-    ${'localError'}      | ${jest.fn().mockResolvedValue(packageDestroyMutationError())}
-  `('on mutation $errorType', ({ mutationResolverResponse }) => {
+    errorType            | mutationResolverResponse                                      | errorMessage
+    ${'connectionError'} | ${jest.fn().mockRejectedValue()}                              | ${DeletePackage.i18n.errorMessage}
+    ${'localError'}      | ${jest.fn().mockResolvedValue(packageDestroyMutationError())} | ${packageDestroyMutationError().errors[0].message}
+  `('on mutation $errorType', ({ mutationResolverResponse, errorMessage }) => {
     beforeEach(() => {
       mutationResolver = mutationResolverResponse;
     });
@@ -150,7 +151,7 @@ describe('DeletePackage', () => {
       await clickOnButtonAndWait(eventPayload);
 
       expect(createFlash).toHaveBeenCalledWith({
-        message: DeletePackage.i18n.errorMessage,
+        message: expect.stringContaining(errorMessage),
         type: 'warning',
         captureError: true,
         error: expect.any(Error),
diff --git a/spec/graphql/types/project_type_spec.rb b/spec/graphql/types/project_type_spec.rb
index adf5507571..75f774b623 100644
--- a/spec/graphql/types/project_type_spec.rb
+++ b/spec/graphql/types/project_type_spec.rb
@@ -594,4 +594,45 @@ RSpec.describe GitlabSchema.types['Project'] do
       expect(cluster_agent.agent_tokens.size).to be(count)
     end
   end
+
+  describe 'service_desk_address' do
+    let(:user) { create(:user) }
+    let(:query) do
+      %(
+        query {
+          project(fullPath: "#{project.full_path}") {
+            id
+            serviceDeskAddress
+          }
+        }
+      )
+    end
+
+    subject { GitlabSchema.execute(query, context: { current_user: user }).as_json }
+
+    before do
+      allow(::Gitlab::ServiceDeskEmail).to receive(:enabled?) { true }
+      allow(::Gitlab::ServiceDeskEmail).to receive(:address_for_key) { 'address-suffix@example.com' }
+    end
+
+    context 'when a user can admin issues' do
+      let(:project) { create(:project, :public, :service_desk_enabled) }
+
+      before do
+        project.add_reporter(user)
+      end
+
+      it 'is present' do
+        expect(subject.dig('data', 'project', 'serviceDeskAddress')).to be_present
+      end
+    end
+
+    context 'when a user can not admin issues' do
+      let(:project) { create(:project, :public, :service_desk_disabled) }
+
+      it 'is empty' do
+        expect(subject.dig('data', 'project', 'serviceDeskAddress')).to be_blank
+      end
+    end
+  end
 end
diff --git a/spec/lib/banzai/filter/blockquote_fence_filter_spec.rb b/spec/lib/banzai/filter/blockquote_fence_filter_spec.rb
index e736943914..2d326bd77a 100644
--- a/spec/lib/banzai/filter/blockquote_fence_filter_spec.rb
+++ b/spec/lib/banzai/filter/blockquote_fence_filter_spec.rb
@@ -17,4 +17,14 @@ RSpec.describe Banzai::Filter::BlockquoteFenceFilter do
   it 'allows trailing whitespace on blockquote fence lines' do
     expect(filter(">>> \ntest\n>>> ")).to eq("\n> test\n")
   end
+
+  context 'when incomplete blockquote fences with multiple blocks are present' do
+    it 'does not raise timeout error' do
+      test_string = ">>>#{"\n```\nfoo\n```" * 20}"
+
+      expect do
+        Timeout.timeout(2.seconds) { filter(test_string) }
+      end.not_to raise_error
+    end
+  end
 end
diff --git a/spec/lib/gitlab/url_blocker_spec.rb b/spec/lib/gitlab/url_blocker_spec.rb
index 0713475d59..5b77290ce2 100644
--- a/spec/lib/gitlab/url_blocker_spec.rb
+++ b/spec/lib/gitlab/url_blocker_spec.rb
@@ -279,6 +279,8 @@ RSpec.describe Gitlab::UrlBlocker, :stub_invalid_dns_only do
     end
 
     context 'when allow_local_network is' do
+      let(:shared_address_space_ips) { ['100.64.0.0', '100.64.127.127', '100.64.255.255'] }
+
       let(:local_ips) do
         [
           '192.168.1.2',
@@ -292,7 +294,8 @@ RSpec.describe Gitlab::UrlBlocker, :stub_invalid_dns_only do
           '[::ffff:ac10:20]',
           '[feef::1]',
           '[fee2::]',
-          '[fc00:bf8b:e62c:abcd:abcd:aaaa:aaaa:aaaa]'
+          '[fc00:bf8b:e62c:abcd:abcd:aaaa:aaaa:aaaa]',
+          *shared_address_space_ips
         ]
       end
 
@@ -385,18 +388,7 @@ RSpec.describe Gitlab::UrlBlocker, :stub_invalid_dns_only do
                 '127.0.0.1',
                 '127.0.0.2',
                 '192.168.1.1',
-                '192.168.1.2',
-                '0:0:0:0:0:ffff:192.168.1.2',
-                '::ffff:c0a8:102',
-                '10.0.0.2',
-                '0:0:0:0:0:ffff:10.0.0.2',
-                '::ffff:a00:2',
-                '172.16.0.2',
-                '0:0:0:0:0:ffff:172.16.0.2',
-                '::ffff:ac10:20',
-                'feef::1',
-                'fee2::',
-                'fc00:bf8b:e62c:abcd:abcd:aaaa:aaaa:aaaa',
+                *local_ips,
                 '0:0:0:0:0:ffff:169.254.169.254',
                 '::ffff:a9fe:a9fe',
                 '::ffff:169.254.168.100',
diff --git a/spec/models/application_setting_spec.rb b/spec/models/application_setting_spec.rb
index 67314084c4..1c8b8b892b 100644
--- a/spec/models/application_setting_spec.rb
+++ b/spec/models/application_setting_spec.rb
@@ -80,6 +80,9 @@ RSpec.describe ApplicationSetting do
     it { is_expected.to validate_numericality_of(:dependency_proxy_ttl_group_policy_worker_capacity).only_integer.is_greater_than_or_equal_to(0) }
     it { is_expected.not_to allow_value(nil).for(:dependency_proxy_ttl_group_policy_worker_capacity) }
 
+    it { is_expected.to validate_numericality_of(:max_package_files_for_package_destruction).only_integer.is_greater_than(0) }
+    it { is_expected.not_to allow_value(nil).for(:max_package_files_for_package_destruction) }
+
     it { is_expected.to validate_numericality_of(:snippet_size_limit).only_integer.is_greater_than(0) }
     it { is_expected.to validate_numericality_of(:wiki_page_max_content_bytes).only_integer.is_greater_than_or_equal_to(1024) }
     it { is_expected.to validate_presence_of(:max_artifacts_size) }
diff --git a/spec/models/concerns/integrations/enable_ssl_verification_spec.rb b/spec/models/concerns/integrations/enable_ssl_verification_spec.rb
new file mode 100644
index 0000000000..802e950c0c
--- /dev/null
+++ b/spec/models/concerns/integrations/enable_ssl_verification_spec.rb
@@ -0,0 +1,23 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe Integrations::EnableSslVerification do
+  let(:described_class) do
+    Class.new(Integration) do
+      prepend Integrations::EnableSslVerification
+
+      def fields
+        [
+          { name: 'main_url' },
+          { name: 'other_url' },
+          { name: 'username' }
+        ]
+      end
+    end
+  end
+
+  let(:integration) { described_class.new }
+
+  include_context Integrations::EnableSslVerification
+end
diff --git a/spec/models/integrations/bamboo_spec.rb b/spec/models/integrations/bamboo_spec.rb
index 60ff6685c3..b5684d153f 100644
--- a/spec/models/integrations/bamboo_spec.rb
+++ b/spec/models/integrations/bamboo_spec.rb
@@ -23,6 +23,8 @@ RSpec.describe Integrations::Bamboo, :use_clean_rails_memory_store_caching do
     )
   end
 
+  include_context Integrations::EnableSslVerification
+
   describe 'Validations' do
     context 'when active' do
       before do
diff --git a/spec/models/integrations/drone_ci_spec.rb b/spec/models/integrations/drone_ci_spec.rb
index 062e23d628..dd64dcfc52 100644
--- a/spec/models/integrations/drone_ci_spec.rb
+++ b/spec/models/integrations/drone_ci_spec.rb
@@ -5,6 +5,8 @@ require 'spec_helper'
 RSpec.describe Integrations::DroneCi, :use_clean_rails_memory_store_caching do
   include ReactiveCachingHelpers
 
+  subject(:integration) { described_class.new }
+
   describe 'validations' do
     context 'active' do
       before do
@@ -59,6 +61,52 @@ RSpec.describe Integrations::DroneCi, :use_clean_rails_memory_store_caching do
     end
   end
 
+  include_context Integrations::EnableSslVerification do
+    describe '#enable_ssl_verification' do
+      before do
+        allow(integration).to receive(:new_record?).and_return(false)
+      end
+
+      it 'returns true for a known hostname' do
+        integration.drone_url = 'https://cloud.drone.io'
+
+        expect(integration.enable_ssl_verification).to be(true)
+      end
+
+      it 'returns true for new records' do
+        allow(integration).to receive(:new_record?).and_return(true)
+        integration.drone_url = 'http://example.com'
+
+        expect(integration.enable_ssl_verification).to be(true)
+      end
+
+      it 'returns false for an unknown hostname' do
+        integration.drone_url = 'https://example.com'
+
+        expect(integration.enable_ssl_verification).to be(false)
+      end
+
+      it 'returns false for a HTTP URL' do
+        integration.drone_url = 'http://cloud.drone.io'
+
+        expect(integration.enable_ssl_verification).to be(false)
+      end
+
+      it 'returns false for an invalid URL' do
+        integration.drone_url = 'https://example.com:foo'
+
+        expect(integration.enable_ssl_verification).to be(false)
+      end
+
+      it 'returns the persisted value if present' do
+        integration.drone_url = 'https://cloud.drone.io'
+        integration.enable_ssl_verification = false
+
+        expect(integration.enable_ssl_verification).to be(false)
+      end
+    end
+  end
+
   it_behaves_like Integrations::HasWebHook do
     include_context :drone_ci_integration
 
diff --git a/spec/models/integrations/irker_spec.rb b/spec/models/integrations/irker_spec.rb
index 8b207e8b43..8aea2c26dc 100644
--- a/spec/models/integrations/irker_spec.rb
+++ b/spec/models/integrations/irker_spec.rb
@@ -2,6 +2,7 @@
 
 require 'spec_helper'
 require 'socket'
+require 'timeout'
 require 'json'
 
 RSpec.describe Integrations::Irker do
@@ -37,6 +38,7 @@ RSpec.describe Integrations::Irker do
     before do
       @irker_server = TCPServer.new 'localhost', 0
 
+      allow(Gitlab::CurrentSettings).to receive(:allow_local_requests_from_web_hooks_and_services?).and_return(true)
       allow(irker).to receive_messages(
         active: true,
         project: project,
@@ -58,13 +60,17 @@ RSpec.describe Integrations::Irker do
       irker.execute(sample_data)
 
       conn = @irker_server.accept
-      conn.each_line do |line|
-        msg = Gitlab::Json.parse(line.chomp("\n"))
-        expect(msg.keys).to match_array(%w(to privmsg))
-        expect(msg['to']).to match_array(["irc://chat.freenode.net/#commits",
-                                          "irc://test.net/#test"])
+
+      Timeout.timeout(5) do
+        conn.each_line do |line|
+          msg = Gitlab::Json.parse(line.chomp("\n"))
+          expect(msg.keys).to match_array(%w(to privmsg))
+          expect(msg['to']).to match_array(["irc://chat.freenode.net/#commits",
+                                            "irc://test.net/#test"])
+        end
       end
-      conn.close
+    ensure
+      conn.close if conn
     end
   end
 end
diff --git a/spec/models/integrations/jenkins_spec.rb b/spec/models/integrations/jenkins_spec.rb
index 9286d02629..3d6393f279 100644
--- a/spec/models/integrations/jenkins_spec.rb
+++ b/spec/models/integrations/jenkins_spec.rb
@@ -24,6 +24,10 @@ RSpec.describe Integrations::Jenkins do
 
   let(:jenkins_authorization) { "Basic " + ::Base64.strict_encode64(jenkins_username + ':' + jenkins_password) }
 
+  include_context Integrations::EnableSslVerification do
+    let(:integration) { described_class.new(jenkins_params) }
+  end
+
   it_behaves_like Integrations::HasWebHook do
     let(:integration) { described_class.new(jenkins_params) }
     let(:hook_url) { "http://#{ERB::Util.url_encode jenkins_username}:#{ERB::Util.url_encode jenkins_password}@jenkins.example.com/project/my_project" }
diff --git a/spec/models/integrations/jira_spec.rb b/spec/models/integrations/jira_spec.rb
index 9163a7ef84..c4af30fc29 100644
--- a/spec/models/integrations/jira_spec.rb
+++ b/spec/models/integrations/jira_spec.rb
@@ -130,6 +130,23 @@ RSpec.describe Integrations::Jira do
     end
   end
 
+  describe '.valid_jira_cloud_url?' do
+    using RSpec::Parameterized::TableSyntax
+
+    where(:url, :result) do
+      'https://abc.atlassian.net' | true
+      'abc.atlassian.net'         | false # This is how it behaves currently, but we may need to consider adding scheme if missing
+      'https://somethingelse.com' | false
+      nil                         | false
+    end
+
+    with_them do
+      specify do
+        expect(described_class.valid_jira_cloud_url?(url)).to eq(result)
+      end
+    end
+  end
+
   describe '#create' do
     let(:params) do
       {
diff --git a/spec/models/integrations/mock_ci_spec.rb b/spec/models/integrations/mock_ci_spec.rb
new file mode 100644
index 0000000000..d29c63b3a9
--- /dev/null
+++ b/spec/models/integrations/mock_ci_spec.rb
@@ -0,0 +1,73 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe Integrations::MockCi do
+  let_it_be(:project) { build(:project) }
+
+  subject(:integration) { described_class.new(project: project, mock_service_url: generate(:url)) }
+
+  include_context Integrations::EnableSslVerification
+
+  describe '#commit_status' do
+    let(:sha) { generate(:sha) }
+
+    def stub_request(*args)
+      WebMock.stub_request(:get, integration.commit_status_path(sha)).to_return(*args)
+    end
+
+    def commit_status
+      integration.commit_status(sha, 'master')
+    end
+
+    it 'returns allowed states' do
+      described_class::ALLOWED_STATES.each do |state|
+        stub_request(status: 200, body: { status: state }.to_json)
+
+        expect(commit_status).to eq(state)
+      end
+    end
+
+    it 'returns :pending for 404 responses' do
+      stub_request(status: 404)
+
+      expect(commit_status).to eq(:pending)
+    end
+
+    it 'returns :error for responses other than 200 or 404' do
+      stub_request(status: 500)
+
+      expect(commit_status).to eq(:error)
+    end
+
+    it 'returns :error for unknown states' do
+      stub_request(status: 200, body: { status: 'unknown' }.to_json)
+
+      expect(commit_status).to eq(:error)
+    end
+
+    it 'returns :error for invalid JSON' do
+      stub_request(status: 200, body: '')
+
+      expect(commit_status).to eq(:error)
+    end
+
+    it 'returns :error for non-hash JSON responses' do
+      stub_request(status: 200, body: 23.to_json)
+
+      expect(commit_status).to eq(:error)
+    end
+
+    it 'returns :error for JSON responses without a status' do
+      stub_request(status: 200, body: { foo: :bar }.to_json)
+
+      expect(commit_status).to eq(:error)
+    end
+
+    it 'returns :error when connection is refused' do
+      stub_request(status: 500).to_raise(Errno::ECONNREFUSED)
+
+      expect(commit_status).to eq(:error)
+    end
+  end
+end
diff --git a/spec/models/integrations/teamcity_spec.rb b/spec/models/integrations/teamcity_spec.rb
index 0713141ea0..e1f4e57750 100644
--- a/spec/models/integrations/teamcity_spec.rb
+++ b/spec/models/integrations/teamcity_spec.rb
@@ -6,8 +6,8 @@ RSpec.describe Integrations::Teamcity, :use_clean_rails_memory_store_caching do
   include ReactiveCachingHelpers
   include StubRequests
 
-  let(:teamcity_url) { 'http://gitlab.com/teamcity' }
-  let(:teamcity_full_url) { 'http://gitlab.com/teamcity/httpAuth/app/rest/builds/branch:unspecified:any,revision:123' }
+  let(:teamcity_url) { 'https://gitlab.teamcity.com' }
+  let(:teamcity_full_url) { 'https://gitlab.teamcity.com/httpAuth/app/rest/builds/branch:unspecified:any,revision:123' }
   let(:project) { create(:project) }
 
   subject(:integration) do
@@ -22,6 +22,52 @@ RSpec.describe Integrations::Teamcity, :use_clean_rails_memory_store_caching do
     )
   end
 
+  include_context Integrations::EnableSslVerification do
+    describe '#enable_ssl_verification' do
+      before do
+        allow(integration).to receive(:new_record?).and_return(false)
+      end
+
+      it 'returns true for a known hostname' do
+        integration.teamcity_url = 'https://example.teamcity.com'
+
+        expect(integration.enable_ssl_verification).to be(true)
+      end
+
+      it 'returns true for new records' do
+        allow(integration).to receive(:new_record?).and_return(true)
+        integration.teamcity_url = 'http://example.com'
+
+        expect(integration.enable_ssl_verification).to be(true)
+      end
+
+      it 'returns false for an unknown hostname' do
+        integration.teamcity_url = 'https://sub.example.teamcity.com'
+
+        expect(integration.enable_ssl_verification).to be(false)
+      end
+
+      it 'returns false for a HTTP URL' do
+        integration.teamcity_url = 'http://example.teamcity.com'
+
+        expect(integration.enable_ssl_verification).to be(false)
+      end
+
+      it 'returns false for an invalid URL' do
+        integration.teamcity_url = 'https://example.com:foo'
+
+        expect(integration.enable_ssl_verification).to be(false)
+      end
+
+      it 'returns the persisted value if present' do
+        integration.teamcity_url = 'https://example.teamcity.com'
+        integration.enable_ssl_verification = false
+
+        expect(integration.enable_ssl_verification).to be(false)
+      end
+    end
+  end
+
   describe 'Validations' do
     context 'when integration is active' do
       before do
@@ -140,22 +186,22 @@ RSpec.describe Integrations::Teamcity, :use_clean_rails_memory_store_caching do
       it 'returns a specific URL when status is 500' do
         stub_request(status: 500)
 
-        is_expected.to eq('http://gitlab.com/teamcity/viewLog.html?buildTypeId=foo')
+        is_expected.to eq("#{teamcity_url}/viewLog.html?buildTypeId=foo")
       end
 
       it 'returns a build URL when teamcity_url has no trailing slash' do
         stub_request(body: %q({"build":{"id":"666"}}))
 
-        is_expected.to eq('http://gitlab.com/teamcity/viewLog.html?buildId=666&buildTypeId=foo')
+        is_expected.to eq("#{teamcity_url}/viewLog.html?buildId=666&buildTypeId=foo")
       end
 
       context 'teamcity_url has trailing slash' do
-        let(:teamcity_url) { 'http://gitlab.com/teamcity/' }
+        let(:teamcity_url) { 'https://gitlab.teamcity.com/' }
 
         it 'returns a build URL' do
           stub_request(body: %q({"build":{"id":"666"}}))
 
-          is_expected.to eq('http://gitlab.com/teamcity/viewLog.html?buildId=666&buildTypeId=foo')
+          is_expected.to eq('https://gitlab.teamcity.com/viewLog.html?buildId=666&buildTypeId=foo')
         end
       end
 
@@ -299,7 +345,7 @@ RSpec.describe Integrations::Teamcity, :use_clean_rails_memory_store_caching do
   end
 
   def stub_post_to_build_queue(branch:)
-    teamcity_full_url = 'http://gitlab.com/teamcity/httpAuth/app/rest/buildQueue'
+    teamcity_full_url = "#{teamcity_url}/httpAuth/app/rest/buildQueue"
     body ||= %Q(<build branchName=\"#{branch}\"><buildType id=\"foo\"/></build>)
     auth = %w(mic password)
 
diff --git a/spec/models/user_spec.rb b/spec/models/user_spec.rb
index f8cea61923..fb6c2ce71f 100644
--- a/spec/models/user_spec.rb
+++ b/spec/models/user_spec.rb
@@ -2383,6 +2383,12 @@ RSpec.describe User do
 
   describe '.search' do
     let_it_be(:user) { create(:user, name: 'user', username: 'usern', email: 'email@example.com') }
+    let_it_be(:public_email) do
+      create(:email, :confirmed, user: user, email: 'publicemail@example.com').tap do |email|
+        user.update!(public_email: email.email)
+      end
+    end
+
     let_it_be(:user2) { create(:user, name: 'user name', username: 'username', email: 'someemail@example.com') }
     let_it_be(:user3) { create(:user, name: 'us', username: 'se', email: 'foo@example.com') }
     let_it_be(:email) { create(:email, user: user, email: 'alias@example.com') }
@@ -2410,30 +2416,31 @@ RSpec.describe User do
     end
 
     describe 'email matching' do
-      it 'returns users with a matching Email' do
-        expect(described_class.search(user.email)).to eq([user])
+      it 'returns users with a matching public email' do
+        expect(described_class.search(user.public_email)).to match_array([user])
       end
 
-      it 'does not return users with a partially matching Email' do
-        expect(described_class.search(user.email[1...-1])).to be_empty
+      it 'does not return users with a partially matching public email' do
+        expect(described_class.search(user.public_email[1...-1])).to be_empty
       end
 
-      it 'returns users with a matching Email regardless of the casing' do
-        expect(described_class.search(user2.email.upcase)).to eq([user2])
-      end
-    end
-
-    describe 'secondary email matching' do
-      it 'returns users with a matching secondary email' do
-        expect(described_class.search(email.email)).to include(email.user)
+      it 'returns users with a matching public email regardless of the casing' do
+        expect(described_class.search(user.public_email.upcase)).to match_array([user])
       end
 
-      it 'does not return users with a matching part of secondary email' do
-        expect(described_class.search(email.email[1...-1])).to be_empty
+      it 'does not return users with a matching private email' do
+        expect(described_class.search(user.email)).to be_empty
+        expect(described_class.search(email.email)).to be_empty
       end
 
-      it 'returns users with a matching secondary email regardless of the casing' do
-        expect(described_class.search(email.email.upcase)).to include(email.user)
+      context 'with private emails search' do
+        it 'returns users with matching private email' do
+          expect(described_class.search(user.email, with_private_emails: true)).to match_array([user])
+        end
+
+        it 'returns users with matching private secondary email' do
+          expect(described_class.search(email.email, with_private_emails: true)).to match_array([user])
+        end
       end
     end
 
@@ -2534,6 +2541,80 @@ RSpec.describe User do
     end
   end
 
+  describe '.search_with_public_emails' do
+    let_it_be(:user) { create(:user, name: 'John Doe', username: 'john.doe', email: 'someone.1@example.com' ) }
+    let_it_be(:another_user) { create(:user, name: 'Albert Smith', username: 'albert.smith', email: 'another.2@example.com' ) }
+    let_it_be(:public_email) do
+      create(:email, :confirmed, user: another_user, email: 'alias@example.com').tap do |email|
+        another_user.update!(public_email: email.email)
+      end
+    end
+
+    let_it_be(:secondary_email) do
+      create(:email, :confirmed, user: another_user, email: 'secondary@example.com')
+    end
+
+    it 'returns users with a matching name' do
+      expect(described_class.search_with_public_emails(user.name)).to match_array([user])
+    end
+
+    it 'returns users with a partially matching name' do
+      expect(described_class.search_with_public_emails(user.name[0..2])).to match_array([user])
+    end
+
+    it 'returns users with a matching name regardless of the casing' do
+      expect(described_class.search_with_public_emails(user.name.upcase)).to match_array([user])
+    end
+
+    it 'returns users with a matching public email' do
+      expect(described_class.search_with_public_emails(another_user.public_email)).to match_array([another_user])
+    end
+
+    it 'does not return users with a partially matching email' do
+      expect(described_class.search_with_public_emails(another_user.public_email[1...-1])).to be_empty
+    end
+
+    it 'returns users with a matching email regardless of the casing' do
+      expect(described_class.search_with_public_emails(another_user.public_email.upcase)).to match_array([another_user])
+    end
+
+    it 'returns users with a matching username' do
+      expect(described_class.search_with_public_emails(user.username)).to match_array([user])
+    end
+
+    it 'returns users with a partially matching username' do
+      expect(described_class.search_with_public_emails(user.username[0..2])).to match_array([user])
+    end
+
+    it 'returns users with a matching username regardless of the casing' do
+      expect(described_class.search_with_public_emails(user.username.upcase)).to match_array([user])
+    end
+
+    it 'does not return users with a matching whole private email' do
+      expect(described_class.search_with_public_emails(user.email)).not_to include(user)
+    end
+
+    it 'does not return users with a matching whole private email' do
+      expect(described_class.search_with_public_emails(secondary_email.email)).to be_empty
+    end
+
+    it 'does not return users with a matching part of secondary email' do
+      expect(described_class.search_with_public_emails(secondary_email.email[1...-1])).to be_empty
+    end
+
+    it 'does not return users with a matching part of private email' do
+      expect(described_class.search_with_public_emails(user.email[1...-1])).to be_empty
+    end
+
+    it 'returns no matches for an empty string' do
+      expect(described_class.search_with_public_emails('')).to be_empty
+    end
+
+    it 'returns no matches for nil' do
+      expect(described_class.search_with_public_emails(nil)).to be_empty
+    end
+  end
+
   describe '.search_with_secondary_emails' do
     let_it_be(:user) { create(:user, name: 'John Doe', username: 'john.doe', email: 'someone.1@example.com' ) }
     let_it_be(:another_user) { create(:user, name: 'Albert Smith', username: 'albert.smith', email: 'another.2@example.com' ) }
diff --git a/spec/requests/api/graphql/mutations/packages/destroy_spec.rb b/spec/requests/api/graphql/mutations/packages/destroy_spec.rb
index e5ced419ec..bd44f32dba 100644
--- a/spec/requests/api/graphql/mutations/packages/destroy_spec.rb
+++ b/spec/requests/api/graphql/mutations/packages/destroy_spec.rb
@@ -88,6 +88,20 @@ RSpec.describe 'Destroying a package' do
 
         expect(mutation_response['errors']).to eq(['Failed to remove the package'])
       end
+
+      context 'with too many files' do
+        let_it_be(:package_files) { create_list(:package_file, 3, package: package) }
+
+        before do
+          stub_application_setting(max_package_files_for_package_destruction: 1)
+        end
+
+        it 'returns the errors in the response' do
+          mutation_request
+
+          expect(mutation_response['errors']).to match_array(["It's not possible to delete a package with more than 1 file."])
+        end
+      end
     end
   end
 end
diff --git a/spec/requests/api/project_packages_spec.rb b/spec/requests/api/project_packages_spec.rb
index 9b7538547f..c10626ecc6 100644
--- a/spec/requests/api/project_packages_spec.rb
+++ b/spec/requests/api/project_packages_spec.rb
@@ -355,6 +355,23 @@ RSpec.describe API::ProjectPackages do
 
           expect(response).to have_gitlab_http_status(:no_content)
         end
+
+        context 'with too many files' do
+          let!(:package_files) { create_list(:package_file, 3, package: package1) }
+
+          before do
+            stub_application_setting(max_package_files_for_package_destruction: 1)
+          end
+
+          it 'returns 400' do
+            project.add_maintainer(user)
+
+            delete api(package_url, user)
+
+            expect(response).to have_gitlab_http_status(:bad_request)
+            expect(response.body).to include("It's not possible to delete a package with more than 1 file.")
+          end
+        end
       end
 
       context 'with a maven package' do
diff --git a/spec/requests/jira_connect/users_controller_spec.rb b/spec/requests/jira_connect/users_controller_spec.rb
new file mode 100644
index 0000000000..c648d28c1b
--- /dev/null
+++ b/spec/requests/jira_connect/users_controller_spec.rb
@@ -0,0 +1,35 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe JiraConnect::UsersController do
+  describe 'GET /-/jira_connect/users' do
+    let_it_be(:user) { create(:user) }
+
+    before do
+      sign_in(user)
+    end
+
+    context 'with a valid host' do
+      let(:return_to) { 'https://testcompany.atlassian.net/plugins/servlet/ac/gitlab-jira-connect-staging.gitlab.com/gitlab-configuration' }
+
+      it 'includes a return url' do
+        get '/-/jira_connect/users', params: { return_to: return_to }
+
+        expect(response).to have_gitlab_http_status(:ok)
+        expect(response.body).to include('Return to GitLab')
+      end
+    end
+
+    context 'with an invalid host' do
+      let(:return_to) { 'https://evil.com' }
+
+      it 'does not include a return url' do
+        get '/-/jira_connect/users', params: { return_to: return_to }
+
+        expect(response).to have_gitlab_http_status(:ok)
+        expect(response.body).not_to include('Return to GitLab')
+      end
+    end
+  end
+end
diff --git a/spec/services/packages/destroy_package_service_spec.rb b/spec/services/packages/destroy_package_service_spec.rb
index 92db8da968..a284f88a0f 100644
--- a/spec/services/packages/destroy_package_service_spec.rb
+++ b/spec/services/packages/destroy_package_service_spec.rb
@@ -30,6 +30,24 @@ RSpec.describe Packages::DestroyPackageService do
         end
       end
 
+      context 'with too many package files' do
+        let!(:package_files) { create_list(:package_file, 2, package: package) }
+
+        before do
+          stub_application_setting(max_package_files_for_package_destruction: 1)
+        end
+
+        it 'returns an error ServiceResponse' do
+          response = service.execute
+
+          expect(package).not_to receive(:sync_maven_metadata)
+          expect(response).to be_a(ServiceResponse)
+          expect(response).to be_error
+          expect(response.message).to eq("It's not possible to delete a package with more than 1 file.")
+          expect(response.status).to eq(:error)
+        end
+      end
+
       context 'when the destroy is not successful' do
         before do
           allow(package).to receive(:destroy!).and_raise(StandardError, "test")
diff --git a/spec/services/protected_branches/create_service_spec.rb b/spec/services/protected_branches/create_service_spec.rb
index 756c775be9..707e87d247 100644
--- a/spec/services/protected_branches/create_service_spec.rb
+++ b/spec/services/protected_branches/create_service_spec.rb
@@ -24,38 +24,14 @@ RSpec.describe ProtectedBranches::CreateService do
       expect(project.protected_branches.last.merge_access_levels.map(&:access_level)).to eq([Gitlab::Access::MAINTAINER])
     end
 
-    context 'when name has escaped HTML' do
-      let(:name) { 'feature-&gt;test' }
+    context 'when protecting a branch with a name that contains HTML tags' do
+      let(:name) { 'foo<b>bar<\b>' }
 
-      it 'creates the new protected branch matching the unescaped version' do
+      subject(:service) { described_class.new(project, user, params) }
+
+      it 'creates a new protected branch' do
         expect { service.execute }.to change(ProtectedBranch, :count).by(1)
-        expect(project.protected_branches.last.name).to eq('feature->test')
-      end
-
-      context 'and name contains HTML tags' do
-        let(:name) { '&lt;b&gt;master&lt;/b&gt;' }
-
-        it 'creates the new protected branch with sanitized name' do
-          expect { service.execute }.to change(ProtectedBranch, :count).by(1)
-          expect(project.protected_branches.last.name).to eq('master')
-        end
-
-        context 'and contains unsafe HTML' do
-          let(:name) { '&lt;script&gt;alert(&#39;foo&#39;);&lt;/script&gt;' }
-
-          it 'does not create the new protected branch' do
-            expect { service.execute }.not_to change(ProtectedBranch, :count)
-          end
-        end
-      end
-
-      context 'when name contains unescaped HTML tags' do
-        let(:name) { '<b>master</b>' }
-
-        it 'creates the new protected branch with sanitized name' do
-          expect { service.execute }.to change(ProtectedBranch, :count).by(1)
-          expect(project.protected_branches.last.name).to eq('master')
-        end
+        expect(project.protected_branches.last.name).to eq(name)
       end
     end
 
diff --git a/spec/services/protected_branches/update_service_spec.rb b/spec/services/protected_branches/update_service_spec.rb
index b5cf1a54af..441eea9d7d 100644
--- a/spec/services/protected_branches/update_service_spec.rb
+++ b/spec/services/protected_branches/update_service_spec.rb
@@ -18,35 +18,14 @@ RSpec.describe ProtectedBranches::UpdateService do
       expect(result.reload.name).to eq(params[:name])
     end
 
-    context 'when name has escaped HTML' do
-      let(:new_name) { 'feature-&gt;test' }
+    context 'when updating name of a protected branch to one that contains HTML tags' do
+      let(:new_name) { 'foo<b>bar<\b>' }
+      let(:result) { service.execute(protected_branch) }
 
-      it 'updates protected branch name with unescaped HTML' do
-        expect(result.reload.name).to eq('feature->test')
-      end
+      subject(:service) { described_class.new(project, user, params) }
 
-      context 'and name contains HTML tags' do
-        let(:new_name) { '&lt;b&gt;master&lt;/b&gt;' }
-
-        it 'updates protected branch name with sanitized name' do
-          expect(result.reload.name).to eq('master')
-        end
-
-        context 'and contains unsafe HTML' do
-          let(:new_name) { '&lt;script&gt;alert(&#39;foo&#39;);&lt;/script&gt;' }
-
-          it 'does not update the protected branch' do
-            expect(result.reload.name).to eq(protected_branch.name)
-          end
-        end
-      end
-    end
-
-    context 'when name contains unescaped HTML tags' do
-      let(:new_name) { '<b>master</b>' }
-
-      it 'updates protected branch name with sanitized name' do
-        expect(result.reload.name).to eq('master')
+      it 'updates a protected branch' do
+        expect(result.reload.name).to eq(new_name)
       end
     end
 
diff --git a/spec/services/protected_tags/create_service_spec.rb b/spec/services/protected_tags/create_service_spec.rb
index 3d06cc9fb6..8ac59990a3 100644
--- a/spec/services/protected_tags/create_service_spec.rb
+++ b/spec/services/protected_tags/create_service_spec.rb
@@ -22,38 +22,14 @@ RSpec.describe ProtectedTags::CreateService do
       expect(project.protected_tags.last.create_access_levels.map(&:access_level)).to eq([Gitlab::Access::MAINTAINER])
     end
 
-    context 'when name has escaped HTML' do
-      let(:name) { 'tag-&gt;test' }
+    context 'protecting a tag with a name that contains HTML tags' do
+      let(:name) { 'foo<b>bar<\b>' }
 
-      it 'creates the new protected tag matching the unescaped version' do
+      subject(:service) { described_class.new(project, user, params) }
+
+      it 'creates a new protected tag' do
         expect { service.execute }.to change(ProtectedTag, :count).by(1)
-        expect(project.protected_tags.last.name).to eq('tag->test')
-      end
-
-      context 'and name contains HTML tags' do
-        let(:name) { '&lt;b&gt;tag&lt;/b&gt;' }
-
-        it 'creates the new protected tag with sanitized name' do
-          expect { service.execute }.to change(ProtectedTag, :count).by(1)
-          expect(project.protected_tags.last.name).to eq('tag')
-        end
-
-        context 'and contains unsafe HTML' do
-          let(:name) { '&lt;script&gt;alert(&#39;foo&#39;);&lt;/script&gt;' }
-
-          it 'does not create the new protected tag' do
-            expect { service.execute }.not_to change(ProtectedTag, :count)
-          end
-        end
-      end
-
-      context 'when name contains unescaped HTML tags' do
-        let(:name) { '<b>tag</b>' }
-
-        it 'creates the new protected tag with sanitized name' do
-          expect { service.execute }.to change(ProtectedTag, :count).by(1)
-          expect(project.protected_tags.last.name).to eq('tag')
-        end
+        expect(project.protected_tags.last.name).to eq(name)
       end
     end
   end
diff --git a/spec/services/protected_tags/update_service_spec.rb b/spec/services/protected_tags/update_service_spec.rb
index 22005bb9b8..d98272ad8b 100644
--- a/spec/services/protected_tags/update_service_spec.rb
+++ b/spec/services/protected_tags/update_service_spec.rb
@@ -18,35 +18,14 @@ RSpec.describe ProtectedTags::UpdateService do
       expect(result.reload.name).to eq(params[:name])
     end
 
-    context 'when name has escaped HTML' do
-      let(:new_name) { 'tag-&gt;test' }
+    context 'when updating protected tag with a name that contains HTML tags' do
+      let(:new_name) { 'foo<b>bar<\b>' }
+      let(:result) { service.execute(protected_tag) }
 
-      it 'updates protected tag name with unescaped HTML' do
-        expect(result.reload.name).to eq('tag->test')
-      end
+      subject(:service) { described_class.new(project, user, params) }
 
-      context 'and name contains HTML tags' do
-        let(:new_name) { '&lt;b&gt;tag&lt;/b&gt;' }
-
-        it 'updates protected tag name with sanitized name' do
-          expect(result.reload.name).to eq('tag')
-        end
-
-        context 'and contains unsafe HTML' do
-          let(:new_name) { '&lt;script&gt;alert(&#39;foo&#39;);&lt;/script&gt;' }
-
-          it 'does not update the protected tag' do
-            expect(result.reload.name).to eq(protected_tag.name)
-          end
-        end
-      end
-    end
-
-    context 'when name contains unescaped HTML tags' do
-      let(:new_name) { '<b>tag</b>' }
-
-      it 'updates protected tag name with sanitized name' do
-        expect(result.reload.name).to eq('tag')
+      it 'updates a protected tag' do
+        expect(result.reload.name).to eq(new_name)
       end
     end
 
diff --git a/spec/support/helpers/dns_helpers.rb b/spec/support/helpers/dns_helpers.rb
index ba32ccbb6f..b941e7c480 100644
--- a/spec/support/helpers/dns_helpers.rb
+++ b/spec/support/helpers/dns_helpers.rb
@@ -23,7 +23,15 @@ module DnsHelpers
   end
 
   def permit_local_dns!
-    local_addresses = /\A(127|10)\.0\.0\.\d{1,3}|(192\.168|172\.16)\.\d{1,3}\.\d{1,3}|0\.0\.0\.0|localhost\z/i
+    local_addresses = %r{
+      \A
+      ::1? |                                    # IPV6
+      (127|10)\.0\.0\.\d{1,3} |                 # 127.0.0.x or 10.0.0.x local network
+      (192\.168|172\.16)\.\d{1,3}\.\d{1,3} |    # 192.168.x.x or 172.16.x.x local network
+      0\.0\.0\.0 |                              # loopback
+      localhost
+      \z
+    }xi
     allow(Addrinfo).to receive(:getaddrinfo).with(local_addresses, anything, nil, :STREAM).and_call_original
     allow(Addrinfo).to receive(:getaddrinfo).with(local_addresses, anything, nil, :STREAM, anything, anything, any_args).and_call_original
   end
diff --git a/spec/support/shared_contexts/models/concerns/integrations/enable_ssl_verification_shared_context.rb b/spec/support/shared_contexts/models/concerns/integrations/enable_ssl_verification_shared_context.rb
new file mode 100644
index 0000000000..c698e06c2a
--- /dev/null
+++ b/spec/support/shared_contexts/models/concerns/integrations/enable_ssl_verification_shared_context.rb
@@ -0,0 +1,47 @@
+# frozen_string_literal: true
+
+RSpec.shared_context Integrations::EnableSslVerification do
+  # This is added to the global setup, to make sure all calls to
+  # `Gitlab::HTTP` in the main model spec are passing the `verify:` option.
+  before do
+    allow(Gitlab::HTTP).to receive(:perform_request)
+      .with(anything, anything, include(verify: true))
+      .and_call_original
+  end
+
+  describe 'accessors' do
+    it { is_expected.to respond_to(:enable_ssl_verification) }
+    it { is_expected.to respond_to(:enable_ssl_verification?) }
+  end
+
+  describe '#initialize_properties' do
+    it 'enables the setting by default' do
+      expect(integration.enable_ssl_verification).to be(true)
+    end
+
+    it 'does not enable the setting if the record is already persisted' do
+      allow(integration).to receive(:new_record?).and_return(false)
+
+      integration.enable_ssl_verification = false
+      integration.send(:initialize_properties)
+
+      expect(integration.enable_ssl_verification).to be(false)
+    end
+
+    it 'does not enable the setting if a custom value was set' do
+      integration = described_class.new(enable_ssl_verification: false)
+
+      expect(integration.enable_ssl_verification).to be(false)
+    end
+  end
+
+  describe '#fields' do
+    it 'inserts the checkbox field after the first URL field, or at the end' do
+      names = integration.fields.pluck(:name)
+      url_index = names.index { |name| name.ends_with?('_url') }
+      insert_index = url_index ? url_index + 1 : names.size - 1
+
+      expect(names.index('enable_ssl_verification')).to eq insert_index
+    end
+  end
+end
diff --git a/spec/support/shared_examples/models/integrations/has_web_hook_shared_examples.rb b/spec/support/shared_examples/models/integrations/has_web_hook_shared_examples.rb
index 1fa340a0cf..ae72cb6ec5 100644
--- a/spec/support/shared_examples/models/integrations/has_web_hook_shared_examples.rb
+++ b/spec/support/shared_examples/models/integrations/has_web_hook_shared_examples.rb
@@ -37,6 +37,16 @@ RSpec.shared_examples Integrations::HasWebHook do
     it 'returns a boolean' do
       expect(integration.hook_ssl_verification).to be_in([true, false])
     end
+
+    it 'delegates to #enable_ssl_verification if the concern is included' do
+      next unless integration.is_a?(Integrations::EnableSslVerification)
+
+      [true, false].each do |value|
+        integration.enable_ssl_verification = value
+
+        expect(integration.hook_ssl_verification).to be(value)
+      end
+    end
   end
 
   describe '#update_web_hook!' do
diff --git a/spec/workers/irker_worker_spec.rb b/spec/workers/irker_worker_spec.rb
index aa1f1d2fe1..c3d40ad278 100644
--- a/spec/workers/irker_worker_spec.rb
+++ b/spec/workers/irker_worker_spec.rb
@@ -21,7 +21,7 @@ RSpec.describe IrkerWorker, '#perform' do
       channels,
       false,
       push_data,
-      server_settings
+      HashWithIndifferentAccess.new(server_settings)
     ]
   end
 
@@ -35,6 +35,14 @@ RSpec.describe IrkerWorker, '#perform' do
     allow(tcp_socket).to receive(:close).and_return(true)
   end
 
+  context 'local requests are not allowed' do
+    before do
+      allow(Gitlab::CurrentSettings).to receive(:allow_local_requests_from_web_hooks_and_services?).and_return(false)
+    end
+
+    it { expect(worker.perform(*arguments)).to be_falsey }
+  end
+
   context 'connection fails' do
     before do
       allow(TCPSocket).to receive(:new).and_raise(Errno::ECONNREFUSED.new('test'))
@@ -44,6 +52,11 @@ RSpec.describe IrkerWorker, '#perform' do
   end
 
   context 'connection successful' do
+    before do
+      allow(Gitlab::CurrentSettings)
+        .to receive(:allow_local_requests_from_web_hooks_and_services?).and_return(true)
+    end
+
     it { expect(subject.perform(*arguments)).to be_truthy }
 
     context 'new branch' do
diff --git a/yarn.lock b/yarn.lock
index c0ac7988cf..4d6a455997 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -8456,16 +8456,16 @@ merge2@^1.3.0:
   resolved "https://registry.yarnpkg.com/merge2/-/merge2-1.4.1.tgz#4368892f885e907455a6fd7dc55c0c9d404990ae"
   integrity sha512-8q7VEgMJW4J8tcfVPy8g09NcQwZdbwFEqhe/WZkoIzjn/3TGDwtOCYtXGxA3O8tPzpczCCDgv+P2P5y00ZJOOg==
 
-mermaid@^8.13.4:
-  version "8.13.4"
-  resolved "https://registry.yarnpkg.com/mermaid/-/mermaid-8.13.4.tgz#924cb85f39380285e0a99f245c66cfa61014a2e1"
-  integrity sha512-zdWtsXabVy1PEAE25Jkm4zbTDlQe8rqNlTMq2B3j+D+NxDskJEY5OsgalarvNLsw+b5xFa1a8D1xcm/PijrDow==
+mermaid@^8.13.10:
+  version "8.13.10"
+  resolved "https://registry.yarnpkg.com/mermaid/-/mermaid-8.13.10.tgz#b9d733b178bbf7416b9b46e39d566c7c28b75688"
+  integrity sha512-2ANep359uML87+wiYaWSu83eg9Qc0xCLnNJdCh100m4v0orS3fp8SScsZLcDSElRGHi+1zuVJsEEVEWH05+COQ==
   dependencies:
     "@braintree/sanitize-url" "^3.1.0"
     d3 "^7.0.0"
     dagre "^0.8.5"
     dagre-d3 "^0.6.4"
-    dompurify "2.3.3"
+    dompurify "2.3.4"
     graphlib "^2.1.8"
     khroma "^1.4.1"
     moment-mini "^2.24.0"