Add latest changes from gitlab-org/gitlab@master

32 files changed, 403 insertions, 130 deletions

diff --git a/app/assets/javascripts/notes/components/discussion_counter.vue b/app/assets/javascripts/notes/components/discussion_counter.vue
index 577612de06a..c28ac94b3ed 100644
--- a/app/assets/javascripts/notes/components/discussion_counter.vue
+++ b/app/assets/javascripts/notes/components/discussion_counter.vue
@@ -1,5 +1,5 @@
 <script>
-import { mapGetters } from 'vuex';
+import { mapGetters, mapActions } from 'vuex';
 import { GlTooltipDirective } from '@gitlab/ui';
 import Icon from '~/vue_shared/components/icon.vue';
 import discussionNavigation from '../mixins/discussion_navigation';
@@ -18,13 +18,11 @@ export default {
       'getNoteableData',
       'resolvableDiscussionsCount',
       'unresolvedDiscussionsCount',
+      'discussions',
     ]),
     isLoggedIn() {
       return this.getUserData.id;
     },
-    hasNextButton() {
-      return this.isLoggedIn && !this.allResolved;
-    },
     allResolved() {
       return this.unresolvedDiscussionsCount === 0;
     },
@@ -34,6 +32,21 @@ export default {
     resolvedDiscussionsCount() {
       return this.resolvableDiscussionsCount - this.unresolvedDiscussionsCount;
     },
+    toggeableDiscussions() {
+      return this.discussions.filter(discussion => !discussion.individual_note);
+    },
+    allExpanded() {
+      return this.toggeableDiscussions.every(discussion => discussion.expanded);
+    },
+  },
+  methods: {
+    ...mapActions(['setExpandDiscussions']),
+    handleExpandDiscussions() {
+      this.setExpandDiscussions({
+        discussionIds: this.toggeableDiscussions.map(discussion => discussion.id),
+        expanded: !this.allExpanded,
+      });
+    },
   },
 };
 </script>
@@ -44,8 +57,8 @@ export default {
     ref="discussionCounter"
     class="line-resolve-all-container full-width-mobile"
   >
-    <div class="full-width-mobile d-flex d-sm-block">
-      <div :class="{ 'has-next-btn': hasNextButton }" class="line-resolve-all">
+    <div class="full-width-mobile d-flex d-sm-flex">
+      <div class="line-resolve-all">
         <span
           :class="{ 'is-active': allResolved }"
           class="line-resolve-btn is-disabled"
@@ -75,7 +88,7 @@ export default {
       <div v-if="isLoggedIn && !allResolved" class="btn-group btn-group-sm" role="group">
         <button
           v-gl-tooltip
-          title="Jump to next unresolved thread"
+          :title="__('Jump to next unresolved thread')"
           class="btn btn-default discussion-next-btn"
           data-track-event="click_button"
           data-track-label="mr_next_unresolved_thread"
@@ -85,6 +98,16 @@ export default {
           <icon name="comment-next" />
         </button>
       </div>
+      <div v-if="isLoggedIn" class="btn-group btn-group-sm" role="group">
+        <button
+          v-gl-tooltip
+          :title="__('Toggle all threads')"
+          class="btn btn-default toggle-all-discussions-btn"
+          @click="handleExpandDiscussions"
+        >
+          <icon :name="allExpanded ? 'angle-up' : 'angle-down'" />
+        </button>
+      </div>
     </div>
   </div>
 </template>
diff --git a/app/assets/javascripts/notes/stores/actions.js b/app/assets/javascripts/notes/stores/actions.js
index 2e6719bb4fb..accc37121d0 100644
--- a/app/assets/javascripts/notes/stores/actions.js
+++ b/app/assets/javascripts/notes/stores/actions.js
@@ -46,6 +46,10 @@ export const setNotesFetchedState = ({ commit }, state) =>
 
 export const toggleDiscussion = ({ commit }, data) => commit(types.TOGGLE_DISCUSSION, data);
 
+export const setExpandDiscussions = ({ commit }, { discussionIds, expanded }) => {
+  commit(types.SET_EXPAND_DISCUSSIONS, { discussionIds, expanded });
+};
+
 export const fetchDiscussions = ({ commit, dispatch }, { path, filter, persistFilter }) => {
   const config =
     filter !== undefined
@@ -54,6 +58,7 @@ export const fetchDiscussions = ({ commit, dispatch }, { path, filter, persistFi
 
   return axios.get(path, config).then(({ data }) => {
     commit(types.SET_INITIAL_DISCUSSIONS, data);
+
     dispatch('updateResolvableDiscussionsCounts');
   });
 };
diff --git a/app/assets/javascripts/notes/stores/mutation_types.js b/app/assets/javascripts/notes/stores/mutation_types.js
index 6554aee0d5b..0cc59f9150c 100644
--- a/app/assets/javascripts/notes/stores/mutation_types.js
+++ b/app/assets/javascripts/notes/stores/mutation_types.js
@@ -24,6 +24,7 @@ export const REMOVE_CONVERTED_DISCUSSION = 'REMOVE_CONVERTED_DISCUSSION';
 export const COLLAPSE_DISCUSSION = 'COLLAPSE_DISCUSSION';
 export const EXPAND_DISCUSSION = 'EXPAND_DISCUSSION';
 export const TOGGLE_DISCUSSION = 'TOGGLE_DISCUSSION';
+export const SET_EXPAND_DISCUSSIONS = 'SET_EXPAND_DISCUSSIONS';
 export const UPDATE_RESOLVABLE_DISCUSSIONS_COUNTS = 'UPDATE_RESOLVABLE_DISCUSSIONS_COUNTS';
 export const SET_CURRENT_DISCUSSION_ID = 'SET_CURRENT_DISCUSSION_ID';
 
diff --git a/app/assets/javascripts/notes/stores/mutations.js b/app/assets/javascripts/notes/stores/mutations.js
index c23ef93c056..68bf8394508 100644
--- a/app/assets/javascripts/notes/stores/mutations.js
+++ b/app/assets/javascripts/notes/stores/mutations.js
@@ -190,6 +190,15 @@ export default {
     });
   },
 
+  [types.SET_EXPAND_DISCUSSIONS](state, { discussionIds, expanded }) {
+    if (discussionIds?.length) {
+      discussionIds.forEach(discussionId => {
+        const discussion = utils.findNoteObjectById(state.discussions, discussionId);
+        Object.assign(discussion, { expanded });
+      });
+    }
+  },
+
   [types.UPDATE_NOTE](state, note) {
     const noteObj = utils.findNoteObjectById(state.discussions, note.discussion_id);
 
diff --git a/app/assets/javascripts/releases/components/evidence_block.vue b/app/assets/javascripts/releases/components/evidence_block.vue
index 0c51fffc96c..59c1b3eb48e 100644
--- a/app/assets/javascripts/releases/components/evidence_block.vue
+++ b/app/assets/javascripts/releases/components/evidence_block.vue
@@ -1,8 +1,9 @@
 <script>
-import { GlLink, GlTooltipDirective } from '@gitlab/ui';
+import dateFormat from 'dateformat';
+import { GlLink, GlTooltipDirective, GlIcon } from '@gitlab/ui';
 import { __, sprintf } from '~/locale';
 import { truncateSha } from '~/lib/utils/text_utility';
-import Icon from '~/vue_shared/components/icon.vue';
+import { getTimeago } from '~/lib/utils/datetime_utility';
 import ClipboardButton from '~/vue_shared/components/clipboard_button.vue';
 import ExpandButton from '~/vue_shared/components/expand_button.vue';
 
@@ -12,7 +13,7 @@ export default {
     ClipboardButton,
     ExpandButton,
     GlLink,
-    Icon,
+    GlIcon,
   },
   directives: {
     GlTooltip: GlTooltipDirective,
@@ -24,17 +25,33 @@ export default {
     },
   },
   computed: {
-    evidenceTitle() {
-      return sprintf(__('%{tag}-evidence.json'), { tag: this.release.tagName });
+    evidences() {
+      return this.release.evidences;
     },
-    evidenceUrl() {
-      return this.release.assets && this.release.assets.evidenceFilePath;
+  },
+  methods: {
+    evidenceTitle(index) {
+      const [tag, evidence, filename] = this.release.evidences[index].filepath.split('/').slice(-3);
+      return sprintf(__('%{tag}-%{evidence}-%{filename}'), { tag, evidence, filename });
+    },
+    evidenceUrl(index) {
+      return this.release.evidences[index].filepath;
+    },
+    sha(index) {
+      return this.release.evidences[index].sha;
     },
-    shortSha() {
-      return truncateSha(this.sha);
+    shortSha(index) {
+      return truncateSha(this.release.evidences[index].sha);
     },
-    sha() {
-      return this.release.evidenceSha;
+    collectedAt(index) {
+      return dateFormat(this.release.evidences[index].collectedAt, 'mmmm dS, yyyy, h:MM TT');
+    },
+    timeSummary(index) {
+      const { format } = getTimeago();
+      const summary = sprintf(__(' Collected %{time}'), {
+        time: format(this.release.evidences[index].collectedAt),
+      });
+      return summary;
     },
   },
 };
@@ -43,34 +60,45 @@ export default {
 <template>
   <div>
     <div class="card-text prepend-top-default">
-      <b>
-        {{ __('Evidence collection') }}
-      </b>
+      <b>{{ __('Evidence collection') }}</b>
     </div>
-    <div class="d-flex align-items-baseline">
-      <gl-link
-        v-gl-tooltip
-        class="monospace"
-        :title="__('Download evidence JSON')"
-        :download="evidenceTitle"
-        :href="evidenceUrl"
-      >
-        <icon name="review-list" class="align-top append-right-4" /><span>{{ evidenceTitle }}</span>
-      </gl-link>
+    <div v-for="(evidence, index) in evidences" :key="evidenceTitle(index)" class="mb-2">
+      <div class="d-flex align-items-center">
+        <gl-link
+          v-gl-tooltip
+          class="d-flex align-items-center monospace"
+          :title="__('Download evidence JSON')"
+          :download="evidenceTitle(index)"
+          :href="evidenceUrl(index)"
+        >
+          <gl-icon name="review-list" class="align-middle append-right-8" />
+          <span>{{ evidenceTitle(index) }}</span>
+        </gl-link>
+
+        <expand-button>
+          <template slot="short">
+            <span class="js-short monospace">{{ shortSha(index) }}</span>
+          </template>
+          <template slot="expanded">
+            <span class="js-expanded monospace gl-pl-1">{{ sha(index) }}</span>
+          </template>
+        </expand-button>
+        <clipboard-button
+          :title="__('Copy evidence SHA')"
+          :text="sha(index)"
+          css-class="btn-default btn-transparent btn-clipboard"
+        />
+      </div>
 
-      <expand-button>
-        <template slot="short">
-          <span class="js-short monospace">{{ shortSha }}</span>
-        </template>
-        <template slot="expanded">
-          <span class="js-expanded monospace gl-pl-1">{{ sha }}</span>
-        </template>
-      </expand-button>
-      <clipboard-button
-        :title="__('Copy evidence SHA')"
-        :text="sha"
-        css-class="btn-default btn-transparent btn-clipboard"
-      />
+      <div class="d-flex align-items-center text-muted">
+        <gl-icon
+          v-gl-tooltip
+          name="clock"
+          class="align-middle append-right-8"
+          :title="collectedAt(index)"
+        />
+        <span>{{ timeSummary(index) }}</span>
+      </div>
     </div>
   </div>
 </template>
diff --git a/app/assets/javascripts/releases/components/release_block.vue b/app/assets/javascripts/releases/components/release_block.vue
index 61cd22dc161..515aa629476 100644
--- a/app/assets/javascripts/releases/components/release_block.vue
+++ b/app/assets/javascripts/releases/components/release_block.vue
@@ -44,7 +44,7 @@ export default {
       return this.release.assets || {};
     },
     hasEvidence() {
-      return Boolean(this.release.evidenceSha);
+      return Boolean(this.release.evidences && this.release.evidences.length);
     },
     milestones() {
       return this.release.milestones || [];
diff --git a/app/assets/stylesheets/framework/gitlab_theme.scss b/app/assets/stylesheets/framework/gitlab_theme.scss
index 418eafa153c..d0c3de59937 100644
--- a/app/assets/stylesheets/framework/gitlab_theme.scss
+++ b/app/assets/stylesheets/framework/gitlab_theme.scss
@@ -68,6 +68,23 @@
             .header-user-avatar {
               border-color: $search-and-nav-links;
             }
+
+            .header-user-notification-dot {
+              border: 2px solid $nav-svg-color;
+            }
+          }
+
+          &:focus:hover,
+          &:focus {
+            &.header-user-dropdown-toggle .header-user-notification-dot {
+              border-color: $white-light;
+            }
+          }
+
+          &:hover {
+            &.header-user-dropdown-toggle .header-user-notification-dot {
+              border-color: $nav-svg-color + 33;
+            }
           }
 
           &:hover,
diff --git a/app/assets/stylesheets/framework/header.scss b/app/assets/stylesheets/framework/header.scss
index 5ae4f72de56..dd338a7134b 100644
--- a/app/assets/stylesheets/framework/header.scss
+++ b/app/assets/stylesheets/framework/header.scss
@@ -567,6 +567,14 @@
   border: 1px solid $gray-normal;
 }
 
+.header-user-notification-dot {
+  background-color: $orange-500;
+  height: 10px;
+  width: 10px;
+  right: 8px;
+  top: -8px;
+}
+
 .with-performance-bar .navbar-gitlab {
   top: $performance-bar-height;
 }
diff --git a/app/assets/stylesheets/pages/notes.scss b/app/assets/stylesheets/pages/notes.scss
index aaecbd6ff00..f2b8433a995 100644
--- a/app/assets/stylesheets/pages/notes.scss
+++ b/app/assets/stylesheets/pages/notes.scss
@@ -842,11 +842,11 @@ $note-form-margin-left: 72px;
     white-space: nowrap;
   }
 
-  .btn-group {
-    margin-left: -4px;
+  .discussion-next-btn {
+    border-radius: 0;
   }
 
-  .discussion-next-btn {
+  .toggle-all-discussions-btn {
     border-top-left-radius: 0;
     border-bottom-left-radius: 0;
   }
@@ -859,7 +859,6 @@ $note-form-margin-left: 72px;
     }
 
     &.discussion-create-issue-btn {
-      margin-left: -4px;
       border-radius: 0;
       border-right: 0;
 
@@ -873,6 +872,10 @@ $note-form-margin-left: 72px;
         }
       }
     }
+
+    &.discussion-next-btn {
+      border-right: 0;
+    }
   }
 }
 
@@ -884,12 +887,9 @@ $note-form-margin-left: 72px;
   border: 1px solid $border-color;
   border-radius: $border-radius-default;
   font-size: $gl-btn-small-font-size;
-
-  &.has-next-btn {
-    border-top-right-radius: 0;
-    border-bottom-right-radius: 0;
-    border-right: 0;
-  }
+  border-top-right-radius: 0;
+  border-bottom-right-radius: 0;
+  border-right: 0;
 
   .line-resolve-btn {
     margin-right: 5px;
diff --git a/app/controllers/projects/releases/evidences_controller.rb b/app/controllers/projects/releases/evidences_controller.rb
new file mode 100644
index 00000000000..34e450d903f
--- /dev/null
+++ b/app/controllers/projects/releases/evidences_controller.rb
@@ -0,0 +1,38 @@
+# frozen_string_literal: true
+
+module Projects
+  module Releases
+    class EvidencesController < Projects::ApplicationController
+      before_action :require_non_empty_project
+      before_action :release
+      before_action :authorize_read_release_evidence!
+
+      def show
+        respond_to do |format|
+          format.json do
+            render json: evidence.summary
+          end
+        end
+      end
+
+      private
+
+      def authorize_read_release_evidence!
+        access_denied! unless Feature.enabled?(:release_evidence, project, default_enabled: true)
+        access_denied! unless can?(current_user, :read_release_evidence, evidence)
+      end
+
+      def release
+        @release ||= project.releases.find_by_tag!(sanitized_tag_name)
+      end
+
+      def evidence
+        release.evidences.find(params[:id])
+      end
+
+      def sanitized_tag_name
+        CGI.unescape(params[:tag])
+      end
+    end
+  end
+end
diff --git a/app/controllers/projects/releases_controller.rb b/app/controllers/projects/releases_controller.rb
index 7d6b38dd243..fc60f42095c 100644
--- a/app/controllers/projects/releases_controller.rb
+++ b/app/controllers/projects/releases_controller.rb
@@ -11,7 +11,6 @@ class Projects::ReleasesController < Projects::ApplicationController
     push_frontend_feature_flag(:release_show_page, project, default_enabled: true)
   end
   before_action :authorize_update_release!, only: %i[edit update]
-  before_action :authorize_read_release_evidence!, only: [:evidence]
 
   def index
     respond_to do |format|
@@ -22,14 +21,6 @@ class Projects::ReleasesController < Projects::ApplicationController
     end
   end
 
-  def evidence
-    respond_to do |format|
-      format.json do
-        render json: release.evidence_summary
-      end
-    end
-  end
-
   def show
     return render_404 unless Feature.enabled?(:release_show_page, project, default_enabled: true)
 
@@ -64,11 +55,6 @@ class Projects::ReleasesController < Projects::ApplicationController
     access_denied! unless can?(current_user, :update_release, release)
   end
 
-  def authorize_read_release_evidence!
-    access_denied! unless Feature.enabled?(:release_evidence, project, default_enabled: true)
-    access_denied! unless can?(current_user, :read_release_evidence, release)
-  end
-
   def release
     @release ||= project.releases.find_by_tag!(sanitized_tag_name)
   end
diff --git a/app/finders/events_finder.rb b/app/finders/events_finder.rb
index 7755cbdf9e5..9c56451fd44 100644
--- a/app/finders/events_finder.rb
+++ b/app/finders/events_finder.rb
@@ -52,10 +52,17 @@ class EventsFinder
     if current_user && scope == 'all'
       EventCollection.new(current_user.authorized_projects).all_project_events
     else
-      source.events
+      # EventCollection is responsible for applying the feature flag
+      apply_feature_flags(source.events)
     end
   end
 
+  def apply_feature_flags(events)
+    return events if ::Feature.enabled?(:wiki_events)
+
+    events.not_wiki_page
+  end
+
   # rubocop: disable CodeReuse/ActiveRecord
   def by_current_user_access(events)
     events.merge(Project.public_or_visible_to_user(current_user))
diff --git a/app/graphql/resolvers/issues_resolver.rb b/app/graphql/resolvers/issues_resolver.rb
index ae77af32b5b..04da54a6bb6 100644
--- a/app/graphql/resolvers/issues_resolver.rb
+++ b/app/graphql/resolvers/issues_resolver.rb
@@ -56,12 +56,17 @@ module Resolvers
       # The project could have been loaded in batch by `BatchLoader`.
       # At this point we need the `id` of the project to query for issues, so
       # make sure it's loaded and not `nil` before continuing.
-      project = object.respond_to?(:sync) ? object.sync : object
-      return Issue.none if project.nil?
+      parent = object.respond_to?(:sync) ? object.sync : object
+      return Issue.none if parent.nil?
+
+      if parent.is_a?(Group)
+        args[:group_id] = parent.id
+      else
+        args[:project_id] = parent.id
+      end
 
       # Will need to be be made group & namespace aware with
       # https://gitlab.com/gitlab-org/gitlab-foss/issues/54520
-      args[:project_id] = project.id
       args[:iids] ||= [args[:iid]].compact
       args[:attempt_project_search_optimizations] = args[:search].present?
 
diff --git a/app/graphql/types/group_type.rb b/app/graphql/types/group_type.rb
index bd9efef94f8..20b4c66ba95 100644
--- a/app/graphql/types/group_type.rb
+++ b/app/graphql/types/group_type.rb
@@ -43,6 +43,12 @@ module Types
           description: 'Parent group',
           resolve: -> (obj, _args, _ctx) { Gitlab::Graphql::Loaders::BatchModelLoader.new(Group, obj.parent_id).find }
 
+    field :issues,
+          Types::IssueType.connection_type,
+          null: true,
+          description: 'Issues of the group',
+          resolver: Resolvers::IssuesResolver
+
     field :milestones, Types::MilestoneType.connection_type, null: true,
           description: 'Find milestones',
           resolver: Resolvers::MilestoneResolver
diff --git a/app/helpers/nav_helper.rb b/app/helpers/nav_helper.rb
index 6013475acb1..7d48efcff01 100644
--- a/app/helpers/nav_helper.rb
+++ b/app/helpers/nav_helper.rb
@@ -65,6 +65,10 @@ module NavHelper
     %w(groups#issues labels#index milestones#index boards#index boards#show)
   end
 
+  def show_user_notification_dot?
+    experiment_enabled?(:ci_notification_dot)
+  end
+
   private
 
   def get_header_links
diff --git a/app/models/event.rb b/app/models/event.rb
index c4ca5389fdf..447ab753421 100644
--- a/app/models/event.rb
+++ b/app/models/event.rb
@@ -36,6 +36,8 @@ class Event < ApplicationRecord
     expired:    EXPIRED
   ).freeze
 
+  WIKI_ACTIONS = [CREATED, UPDATED, DESTROYED].freeze
+
   TARGET_TYPES = HashWithIndifferentAccess.new(
     issue:          Issue,
     milestone:      Milestone,
@@ -81,7 +83,10 @@ class Event < ApplicationRecord
   scope :recent, -> { reorder(id: :desc) }
   scope :code_push, -> { where(action: PUSHED) }
   scope :merged, -> { where(action: MERGED) }
-  scope :for_wiki_page, -> { where(target_type: WikiPage::Meta.name) }
+  scope :for_wiki_page, -> { where(target_type: 'WikiPage::Meta') }
+
+  # Needed to implement feature flag: can be removed when feature flag is removed
+  scope :not_wiki_page, -> { where('target_type IS NULL or target_type <> ?', 'WikiPage::Meta') }
 
   scope :with_associations, -> do
     # We're using preload for "push_event_payload" as otherwise the association
@@ -229,7 +234,7 @@ class Event < ApplicationRecord
   end
 
   def wiki_page?
-    target_type == WikiPage::Meta.name
+    target_type == 'WikiPage::Meta'
   end
 
   def milestone
diff --git a/app/models/event_collection.rb b/app/models/event_collection.rb
index 4768506b8fa..4c178e27b75 100644
--- a/app/models/event_collection.rb
+++ b/app/models/event_collection.rb
@@ -33,16 +33,23 @@ class EventCollection
                  project_events
                end
 
+    relation = apply_feature_flags(relation)
     relation = paginate_events(relation)
     relation.with_associations.to_a
   end
 
   def all_project_events
-    Event.from_union([project_events]).recent
+    apply_feature_flags(Event.from_union([project_events]).recent)
   end
 
   private
 
+  def apply_feature_flags(events)
+    return events if ::Feature.enabled?(:wiki_events)
+
+    events.not_wiki_page
+  end
+
   def project_events
     relation_with_join_lateral('project_id', projects)
   end
diff --git a/app/models/issue.rb b/app/models/issue.rb
index 3d389013985..bdcebb4b942 100644
--- a/app/models/issue.rb
+++ b/app/models/issue.rb
@@ -78,8 +78,6 @@ class Issue < ApplicationRecord
 
   scope :counts_by_state, -> { reorder(nil).group(:state_id).count }
 
-  ignore_column :state, remove_with: '12.10', remove_after: '2020-03-22'
-
   after_commit :expire_etag_cache, unless: :importing?
   after_save :ensure_metrics, unless: :importing?
 
diff --git a/app/models/merge_request.rb b/app/models/merge_request.rb
index bb7afc49cd8..7934b0f8f59 100644
--- a/app/models/merge_request.rb
+++ b/app/models/merge_request.rb
@@ -261,8 +261,6 @@ class MergeRequest < ApplicationRecord
     includes(:metrics)
   end
 
-  ignore_column :state, remove_with: '12.10', remove_after: '2020-03-22'
-
   after_save :keep_around_commit, unless: :importing?
 
   alias_attribute :project, :target_project
diff --git a/app/models/release.rb b/app/models/release.rb
index 45c2a56d764..403087a2cad 100644
--- a/app/models/release.rb
+++ b/app/models/release.rb
@@ -16,7 +16,7 @@ class Release < ApplicationRecord
 
   has_many :milestone_releases
   has_many :milestones, through: :milestone_releases
-  has_one :evidence
+  has_many :evidences, inverse_of: :release, class_name: 'Releases::Evidence'
 
   default_value_for :released_at, allows_nil: false do
     Time.zone.now
@@ -28,7 +28,7 @@ class Release < ApplicationRecord
   validates_associated :milestone_releases, message: -> (_, obj) { obj[:value].map(&:errors).map(&:full_messages).join(",") }
 
   scope :sorted, -> { order(released_at: :desc) }
-  scope :preloaded, -> { includes(project: :namespace) }
+  scope :preloaded, -> { includes(:evidences, :milestones, project: [:project_feature, :route, { namespace: :route }]) }
   scope :with_project_and_namespace, -> { includes(project: :namespace) }
   scope :recent, -> { sorted.limit(MAX_NUMBER_TO_DISPLAY) }
 
@@ -66,27 +66,27 @@ class Release < ApplicationRecord
   end
 
   def upcoming_release?
-    released_at.present? && released_at > Time.zone.now
+    released_at.present? && released_at.to_i > Time.zone.now.to_i
   end
 
   def historical_release?
-    released_at.present? && released_at < created_at
+    released_at.present? && released_at.to_i < created_at.to_i
   end
 
   def name
     self.read_attribute(:name) || tag
   end
 
-  def evidence_sha
-    evidence&.summary_sha
+  def milestone_titles
+    self.milestones.map {|m| m.title }.sort.join(", ")
   end
 
-  def evidence_summary
-    evidence&.summary || {}
+  def evidence_sha
+    evidences.first&.summary_sha
   end
 
-  def milestone_titles
-    self.milestones.map {|m| m.title }.sort.join(", ")
+  def evidence_summary
+    evidences.first&.summary || {}
   end
 
   private
diff --git a/app/models/evidence.rb b/app/models/releases/evidence.rb
index 55149ab0dfa..1aac7e33e41 100644
--- a/app/models/evidence.rb
+++ b/app/models/releases/evidence.rb
@@ -1,15 +1,17 @@
 # frozen_string_literal: true
 
-class Evidence < ApplicationRecord
+class Releases::Evidence < ApplicationRecord
   include ShaAttribute
+  include Presentable
 
-  belongs_to :release
+  belongs_to :release, inverse_of: :evidences
 
   before_validation :generate_summary_and_sha
 
   default_scope { order(created_at: :asc) }
 
   sha_attribute :summary_sha
+  alias_attribute :collected_at, :created_at
 
   def milestones
     @milestones ||= release.milestones.includes(:issues)
diff --git a/app/policies/release_policy.rb b/app/policies/release_policy.rb
index 0fd1312c511..d7f9e5d7445 100644
--- a/app/policies/release_policy.rb
+++ b/app/policies/release_policy.rb
@@ -2,31 +2,4 @@
 
 class ReleasePolicy < BasePolicy
   delegate { @subject.project }
-
-  rule { allowed_to_read_evidence & external_authorization_service_disabled }.policy do
-    enable :read_release_evidence
-  end
-
-  ##
-  # evidence.summary includes the following entities:
-  # - Release
-  # - git-tag (Repository)
-  # - Project
-  # - Milestones
-  # - Issues
-  condition(:allowed_to_read_evidence) do
-    can?(:read_release) &&
-      can?(:download_code) &&
-      can?(:read_project) &&
-      can?(:read_milestone) &&
-      can?(:read_issue)
-  end
-
-  ##
-  # Currently, we don't support release evidence for the GitLab instances
-  # that enables external authorization services.
-  # See https://gitlab.com/gitlab-org/gitlab/issues/121930.
-  condition(:external_authorization_service_disabled) do
-    !Gitlab::ExternalAuthorization::Config.enabled?
-  end
 end
diff --git a/app/policies/releases/evidence_policy.rb b/app/policies/releases/evidence_policy.rb
new file mode 100644
index 00000000000..701913e6fe4
--- /dev/null
+++ b/app/policies/releases/evidence_policy.rb
@@ -0,0 +1,34 @@
+# frozen_string_literal: true
+
+module Releases
+  class EvidencePolicy < BasePolicy
+    delegate { @subject.release.project }
+
+    rule { allowed_to_read_evidence & external_authorization_service_disabled }.policy do
+      enable :read_release_evidence
+    end
+
+    ##
+    # evidence.summary includes the following entities:
+    # - Release
+    # - git-tag (Repository)
+    # - Project
+    # - Milestones
+    # - Issues
+    condition(:allowed_to_read_evidence) do
+      can?(:read_release) &&
+        can?(:download_code) &&
+        can?(:read_project) &&
+        can?(:read_milestone) &&
+        can?(:read_issue)
+    end
+
+    ##
+    # Currently, we don't support release evidence for the GitLab instances
+    # that enables external authorization services.
+    # See https://gitlab.com/gitlab-org/gitlab/issues/121930.
+    condition(:external_authorization_service_disabled) do
+      !Gitlab::ExternalAuthorization::Config.enabled?
+    end
+  end
+end
diff --git a/app/presenters/release_presenter.rb b/app/presenters/release_presenter.rb
index 8cf7446ce64..3db89df1cc8 100644
--- a/app/presenters/release_presenter.rb
+++ b/app/presenters/release_presenter.rb
@@ -44,9 +44,10 @@ class ReleasePresenter < Gitlab::View::Presenter::Delegated
   end
 
   def evidence_file_path
-    return unless release.evidence.present?
+    evidence = release.evidences.first
+    return unless evidence
 
-    evidence_project_release_url(project, release.to_param, format: :json)
+    project_evidence_url(project, release, evidence, format: :json)
   end
 
   private
diff --git a/app/presenters/releases/evidence_presenter.rb b/app/presenters/releases/evidence_presenter.rb
new file mode 100644
index 00000000000..a00cbacb7d8
--- /dev/null
+++ b/app/presenters/releases/evidence_presenter.rb
@@ -0,0 +1,16 @@
+# frozen_string_literal: true
+
+module Releases
+  class EvidencePresenter < Gitlab::View::Presenter::Delegated
+    include ActionView::Helpers::UrlHelper
+
+    presents :evidence
+
+    def filepath
+      release = evidence.release
+      project = release.project
+
+      project_evidence_url(project, release, evidence, format: :json)
+    end
+  end
+end
diff --git a/app/services/event_create_service.rb b/app/services/event_create_service.rb
index 7460f0df535..0b044e1679a 100644
--- a/app/services/event_create_service.rb
+++ b/app/services/event_create_service.rb
@@ -8,6 +8,8 @@
 #   EventCreateService.new.new_issue(issue, current_user)
 #
 class EventCreateService
+  IllegalActionError = Class.new(StandardError)
+
   def open_issue(issue, current_user)
     create_record_event(issue, current_user, Event::CREATED)
   end
@@ -80,6 +82,19 @@ class EventCreateService
     create_push_event(BulkPushEventPayloadService, project, current_user, push_data)
   end
 
+  # Create a new wiki page event
+  #
+  # @param [WikiPage::Meta] wiki_page_meta The event target
+  # @param [User] current_user The event author
+  # @param [Integer] action One of the Event::WIKI_ACTIONS
+  def wiki_event(wiki_page_meta, current_user, action)
+    return unless Feature.enabled?(:wiki_events)
+
+    raise IllegalActionError, action unless Event::WIKI_ACTIONS.include?(action)
+
+    create_record_event(wiki_page_meta, current_user, action)
+  end
+
   private
 
   def create_record_event(record, current_user, status)
diff --git a/app/services/wiki_pages/base_service.rb b/app/services/wiki_pages/base_service.rb
index 82c15ffc9b9..2e774973ca5 100644
--- a/app/services/wiki_pages/base_service.rb
+++ b/app/services/wiki_pages/base_service.rb
@@ -1,19 +1,61 @@
 # frozen_string_literal: true
 
 module WikiPages
+  # There are 3 notions of 'action' that inheriting classes must implement:
+  #
+  # - external_action: the action we report to external clients with webhooks
+  # - usage_counter_action: the action that we count in out internal counters
+  # - event_action: what we record as the value of `Event#action`
   class BaseService < ::BaseService
     private
 
-    def execute_hooks(page, action = 'create')
-      page_data = Gitlab::DataBuilder::WikiPage.build(page, current_user, action)
+    def execute_hooks(page)
+      page_data = payload(page)
       @project.execute_hooks(page_data, :wiki_page_hooks)
       @project.execute_services(page_data, :wiki_page_hooks)
-      increment_usage(action)
+      increment_usage
+      create_wiki_event(page)
+    end
+
+    # Passed to web-hooks, and send to external consumers.
+    def external_action
+      raise NotImplementedError
+    end
+
+    # Passed to the WikiPageCounter to count events.
+    # Must be one of WikiPageCounter::KNOWN_EVENTS
+    def usage_counter_action
+      raise NotImplementedError
+    end
+
+    # Used to create `Event` records.
+    # Must be a valid value for `Event#action`
+    def event_action
+      raise NotImplementedError
+    end
+
+    def payload(page)
+      Gitlab::DataBuilder::WikiPage.build(page, current_user, external_action)
     end
 
     # This method throws an error if the action is an unanticipated value.
-    def increment_usage(action)
-      Gitlab::UsageDataCounters::WikiPageCounter.count(action)
+    def increment_usage
+      Gitlab::UsageDataCounters::WikiPageCounter.count(usage_counter_action)
+    end
+
+    def create_wiki_event(page)
+      return unless ::Feature.enabled?(:wiki_events)
+
+      slug = slug_for_page(page)
+
+      Event.transaction do
+        wiki_page_meta = WikiPage::Meta.find_or_create(slug, page)
+        EventCreateService.new.wiki_event(wiki_page_meta, current_user, event_action)
+      end
+    end
+
+    def slug_for_page(page)
+      page.slug
     end
   end
 end
diff --git a/app/services/wiki_pages/create_service.rb b/app/services/wiki_pages/create_service.rb
index 2e2e0fd9033..811f460e042 100644
--- a/app/services/wiki_pages/create_service.rb
+++ b/app/services/wiki_pages/create_service.rb
@@ -7,10 +7,22 @@ module WikiPages
       page = WikiPage.new(project_wiki)
 
       if page.create(@params)
-        execute_hooks(page, 'create')
+        execute_hooks(page)
       end
 
       page
     end
+
+    def usage_counter_action
+      :create
+    end
+
+    def external_action
+      'create'
+    end
+
+    def event_action
+      Event::CREATED
+    end
   end
 end
diff --git a/app/services/wiki_pages/destroy_service.rb b/app/services/wiki_pages/destroy_service.rb
index 3f9343339cd..eb162223723 100644
--- a/app/services/wiki_pages/destroy_service.rb
+++ b/app/services/wiki_pages/destroy_service.rb
@@ -4,10 +4,22 @@ module WikiPages
   class DestroyService < WikiPages::BaseService
     def execute(page)
       if page&.delete
-        execute_hooks(page, 'delete')
+        execute_hooks(page)
       end
 
       page
     end
+
+    def usage_counter_action
+      :delete
+    end
+
+    def external_action
+      'delete'
+    end
+
+    def event_action
+      Event::DESTROYED
+    end
   end
 end
diff --git a/app/services/wiki_pages/update_service.rb b/app/services/wiki_pages/update_service.rb
index 2159dd91e9c..0a056f1ec33 100644
--- a/app/services/wiki_pages/update_service.rb
+++ b/app/services/wiki_pages/update_service.rb
@@ -3,11 +3,30 @@
 module WikiPages
   class UpdateService < WikiPages::BaseService
     def execute(page)
+      # this class is not thread safe!
+      @old_slug = page.slug
+
       if page.update(@params)
-        execute_hooks(page, 'update')
+        execute_hooks(page)
       end
 
       page
     end
+
+    def usage_counter_action
+      :update
+    end
+
+    def external_action
+      'update'
+    end
+
+    def event_action
+      Event::UPDATED
+    end
+
+    def slug_for_page(page)
+      @old_slug.presence || super
+    end
   end
 end
diff --git a/app/views/layouts/header/_default.html.haml b/app/views/layouts/header/_default.html.haml
index 5719fb24b89..202a4018050 100644
--- a/app/views/layouts/header/_default.html.haml
+++ b/app/views/layouts/header/_default.html.haml
@@ -68,6 +68,8 @@
             %li.nav-item.header-user.dropdown{ data: { track_label: "profile_dropdown", track_event: "click_dropdown", track_value: "", qa_selector: 'user_menu' }, class: ('mr-0' if has_impersonation_link) }
               = link_to current_user, class: user_dropdown_class, data: { toggle: "dropdown" } do
                 = image_tag avatar_icon_for_user(current_user, 23), width: 23, height: 23, class: "header-user-avatar qa-user-avatar"
+                -  if show_user_notification_dot?
+                  %span.header-user-notification-dot.rounded-circle.position-relative
                 = sprite_icon('angle-down', css_class: 'caret-down')
               .dropdown-menu.dropdown-menu-right
                 = render 'layouts/header/current_user_dropdown'
diff --git a/app/workers/create_evidence_worker.rb b/app/workers/create_evidence_worker.rb
index c2faba84cfc..135e2ac38b4 100644
--- a/app/workers/create_evidence_worker.rb
+++ b/app/workers/create_evidence_worker.rb
@@ -10,6 +10,6 @@ class CreateEvidenceWorker # rubocop:disable Scalability/IdempotentWorker
     release = Release.find_by_id(release_id)
     return unless release
 
-    Evidence.create!(release: release)
+    Releases::Evidence.create!(release: release)
   end
 end