Merge branch 'master' into markdown_preview_shortcut

83 files changed, 658 insertions, 718 deletions

diff --git a/app/assets/javascripts/dispatcher.js.coffee b/app/assets/javascripts/dispatcher.js.coffee
index d7feb5d5c87..54b28f2dd8d 100644
--- a/app/assets/javascripts/dispatcher.js.coffee
+++ b/app/assets/javascripts/dispatcher.js.coffee
@@ -23,7 +23,7 @@ class Dispatcher
         new Issue()
         shortcut_handler = new ShortcutsIssuable()
         new ZenMode()
-      when 'projects:milestones:show'
+      when 'projects:milestones:show', 'groups:milestones:show', 'dashboard:milestones:show'
         new Milestone()
       when 'projects:milestones:new', 'projects:milestones:edit'
         new ZenMode()
diff --git a/app/assets/javascripts/milestone.js.coffee b/app/assets/javascripts/milestone.js.coffee
index e6d8518bec8..0037a3a21c2 100644
--- a/app/assets/javascripts/milestone.js.coffee
+++ b/app/assets/javascripts/milestone.js.coffee
@@ -69,7 +69,7 @@ class @Milestone
 
     @bindIssuesSorting()
     @bindMergeRequestSorting()
-    @bindTabsSwitching
+    @bindTabsSwitching()
 
   bindIssuesSorting: ->
     $("#issues-list-unassigned, #issues-list-ongoing, #issues-list-closed").sortable(
@@ -104,7 +104,7 @@ class @Milestone
 
     ).disableSelection()
 
-  bindMergeRequestSorting: ->
+  bindTabsSwitching: ->
     $('a[data-toggle="tab"]').on 'show.bs.tab', (e) ->
       currentTabClass  = $(e.target).data('show')
       previousTabClass =  $(e.relatedTarget).data('show')
@@ -112,7 +112,8 @@ class @Milestone
       $(previousTabClass).hide()
       $(currentTabClass).removeClass('hidden')
       $(currentTabClass).show()
-      
+
+  bindMergeRequestSorting: ->
     $("#merge_requests-list-unassigned, #merge_requests-list-ongoing, #merge_requests-list-closed").sortable(
       connectWith: ".merge_requests-sortable-list",
       dropOnEmpty: true,
diff --git a/app/assets/stylesheets/framework/dropdowns.scss b/app/assets/stylesheets/framework/dropdowns.scss
index d4878b333f9..3dc524ccca4 100644
--- a/app/assets/stylesheets/framework/dropdowns.scss
+++ b/app/assets/stylesheets/framework/dropdowns.scss
@@ -81,8 +81,9 @@
       &::before {
         content: "\f00c";
         position: absolute;
-        left: 4px;
-        top: 8px;
+        left: 5px;
+        top: 50%;
+        margin-top: -7px;
         font: normal normal normal 14px/1 FontAwesome;
         font-size: inherit;
         text-rendering: auto;
@@ -94,8 +95,8 @@
 }
 
 .dropdown-header {
-  padding-left: 10px;
-  padding-right: 10px;
+  padding-left: 5px;
+  padding-right: 5px;
   color: $dropdown-header-color;
   font-size: 13px;
   line-height: 22px;
diff --git a/app/assets/stylesheets/pages/milestone.scss b/app/assets/stylesheets/pages/milestone.scss
index d24adbf67e6..d0e72a4422c 100644
--- a/app/assets/stylesheets/pages/milestone.scss
+++ b/app/assets/stylesheets/pages/milestone.scss
@@ -19,10 +19,11 @@ li.milestone {
     width: 105px;
   }
 
-  .issue-row {
+  .issuable-row {
     .color-label {
       border-radius: 2px;
       padding: 3px !important;
+      margin-right: 7px;
     }
 
     // Issue title
@@ -44,20 +45,15 @@ li.milestone {
   }
 }
 
-.issues-sortable-list {
-  .issue-detail {
+.issues-sortable-list, .merge_requests-sortable-list {
+  .issuable-detail {
     display: block;
+    margin-top: 7px;
 
-    .issue-number{
+    .issuable-number {
       color: rgba(0,0,0,0.44);
       margin-right: 5px;
     }
-    .color-label {
-      padding: 6px 10px;
-      margin-right: 7px;
-      margin-top: 10px;
-    }
-
     .avatar {
       float: none;
     }
diff --git a/app/assets/stylesheets/pages/snippets.scss b/app/assets/stylesheets/pages/snippets.scss
index 0161642d871..7d414ae003d 100644
--- a/app/assets/stylesheets/pages/snippets.scss
+++ b/app/assets/stylesheets/pages/snippets.scss
@@ -26,5 +26,5 @@
   margin-right: 10px;
   font-size: $gl-font-size;
   border: 1px solid;
-  line-height: 40px;
+  line-height: 32px;
 }
diff --git a/app/controllers/admin/groups_controller.rb b/app/controllers/admin/groups_controller.rb
index 4d3e48f7f81..668396a0f20 100644
--- a/app/controllers/admin/groups_controller.rb
+++ b/app/controllers/admin/groups_controller.rb
@@ -55,7 +55,7 @@ class Admin::GroupsController < Admin::ApplicationController
   private
 
   def group
-    @group = Group.find_by(path: params[:id])
+    @group ||= Group.find_by(path: params[:id])
   end
 
   def group_params
diff --git a/app/controllers/concerns/filter_projects.rb b/app/controllers/concerns/filter_projects.rb
new file mode 100644
index 00000000000..f63b703d101
--- /dev/null
+++ b/app/controllers/concerns/filter_projects.rb
@@ -0,0 +1,15 @@
+# == FilterProjects
+#
+# Controller concern to handle projects filtering
+# * by name
+# * by archived state
+#
+module FilterProjects
+  extend ActiveSupport::Concern
+
+  def filter_projects(projects)
+    projects = projects.search(params[:filter_projects]) if params[:filter_projects].present?
+    projects = projects.non_archived if params[:archived].blank?
+    projects
+  end
+end
diff --git a/app/controllers/dashboard/projects_controller.rb b/app/controllers/dashboard/projects_controller.rb
index dc880b634e5..fc51c3241af 100644
--- a/app/controllers/dashboard/projects_controller.rb
+++ b/app/controllers/dashboard/projects_controller.rb
@@ -1,18 +1,15 @@
 class Dashboard::ProjectsController < Dashboard::ApplicationController
+  include FilterProjects
+
   before_action :event_filter
 
   def index
-    @projects = current_user.authorized_projects.sorted_by_activity.non_archived
-    @projects = @projects.sort(@sort = params[:sort])
+    @projects = current_user.authorized_projects.sorted_by_activity
+    @projects = filter_projects(@projects)
     @projects = @projects.includes(:namespace)
+    @projects = @projects.sort(@sort = params[:sort])
+    @projects = @projects.page(params[:page]).per(PER_PAGE) if params[:filter_projects].blank?
 
-    terms = params[:filter_projects]
-
-    if terms.present?
-      @projects = @projects.search(terms)
-    end
-
-    @projects = @projects.page(params[:page]).per(PER_PAGE) if terms.blank?
     @last_push = current_user.recent_push
 
     respond_to do |format|
@@ -32,16 +29,11 @@ class Dashboard::ProjectsController < Dashboard::ApplicationController
 
   def starred
     @projects = current_user.starred_projects.sorted_by_activity
+    @projects = filter_projects(@projects)
     @projects = @projects.includes(:namespace, :forked_from_project, :tags)
     @projects = @projects.sort(@sort = params[:sort])
+    @projects = @projects.page(params[:page]).per(PER_PAGE) if params[:filter_projects].blank?
 
-    terms = params[:filter_projects]
-
-    if terms.present?
-      @projects = @projects.search(terms)
-    end
-
-    @projects = @projects.page(params[:page]).per(PER_PAGE) if terms.blank?
     @last_push = current_user.recent_push
     @groups = []
 
diff --git a/app/controllers/explore/projects_controller.rb b/app/controllers/explore/projects_controller.rb
index a384f3004db..5b811db3068 100644
--- a/app/controllers/explore/projects_controller.rb
+++ b/app/controllers/explore/projects_controller.rb
@@ -1,12 +1,12 @@
 class Explore::ProjectsController < Explore::ApplicationController
+  include FilterProjects
+
   def index
     @projects = ProjectsFinder.new.execute(current_user)
     @tags = @projects.tags_on(:tags)
     @projects = @projects.tagged_with(params[:tag]) if params[:tag].present?
     @projects = @projects.where(visibility_level: params[:visibility_level]) if params[:visibility_level].present?
-    @projects = @projects.non_archived
-    @projects = @projects.search(params[:search]) if params[:search].present?
-    @projects = @projects.search(params[:filter_projects]) if params[:filter_projects].present?
+    @projects = filter_projects(@projects)
     @projects = @projects.sort(@sort = params[:sort])
     @projects = @projects.includes(:namespace).page(params[:page]).per(PER_PAGE) if params[:filter_projects].blank?
 
@@ -22,8 +22,7 @@ class Explore::ProjectsController < Explore::ApplicationController
 
   def trending
     @projects = TrendingProjectsFinder.new.execute(current_user)
-    @projects = @projects.non_archived
-    @projects = @projects.search(params[:filter_projects]) if params[:filter_projects].present?
+    @projects = filter_projects(@projects)
     @projects = @projects.page(params[:page]).per(PER_PAGE) if params[:filter_projects].blank?
 
     respond_to do |format|
@@ -38,7 +37,7 @@ class Explore::ProjectsController < Explore::ApplicationController
 
   def starred
     @projects = ProjectsFinder.new.execute(current_user)
-    @projects = @projects.search(params[:filter_projects]) if params[:filter_projects].present?
+    @projects = filter_projects(@projects)
     @projects = @projects.reorder('star_count DESC')
     @projects = @projects.page(params[:page]).per(PER_PAGE) if params[:filter_projects].blank?
 
diff --git a/app/controllers/groups_controller.rb b/app/controllers/groups_controller.rb
index ca5ce1e2046..f05c29e9974 100644
--- a/app/controllers/groups_controller.rb
+++ b/app/controllers/groups_controller.rb
@@ -1,4 +1,5 @@
 class GroupsController < Groups::ApplicationController
+  include FilterProjects
   include IssuesAction
   include MergeRequestsAction
 
@@ -41,7 +42,8 @@ class GroupsController < Groups::ApplicationController
   def show
     @last_push = current_user.recent_push if current_user
     @projects = @projects.includes(:namespace)
-    @projects = @projects.search(params[:filter_projects]) if params[:filter_projects].present?
+    @projects = filter_projects(@projects)
+    @projects = @projects.sort(@sort = params[:sort])
     @projects = @projects.page(params[:page]).per(PER_PAGE) if params[:filter_projects].blank?
 
     respond_to do |format|
@@ -98,7 +100,7 @@ class GroupsController < Groups::ApplicationController
   end
 
   def load_projects
-    @projects ||= ProjectsFinder.new.execute(current_user, group: group).sorted_by_activity.non_archived
+    @projects ||= ProjectsFinder.new.execute(current_user, group: group).sorted_by_activity
   end
 
   # Dont allow unauthorized access to group
diff --git a/app/controllers/projects/avatars_controller.rb b/app/controllers/projects/avatars_controller.rb
index b64dbbd89ce..a6bebc46b06 100644
--- a/app/controllers/projects/avatars_controller.rb
+++ b/app/controllers/projects/avatars_controller.rb
@@ -7,6 +7,9 @@ class Projects::AvatarsController < Projects::ApplicationController
     @blob = @repository.blob_at_branch('master', @project.avatar_in_git)
     if @blob
       headers['X-Content-Type-Options'] = 'nosniff'
+
+      return if cached_blob?
+
       headers.store(*Gitlab::Workhorse.send_git_blob(@repository, @blob))
       headers['Content-Disposition'] = 'inline'
       headers['Content-Type'] = safe_content_type(@blob)
diff --git a/app/controllers/projects/milestones_controller.rb b/app/controllers/projects/milestones_controller.rb
index 21f30f278c8..da46731d945 100644
--- a/app/controllers/projects/milestones_controller.rb
+++ b/app/controllers/projects/milestones_controller.rb
@@ -32,10 +32,6 @@ class Projects::MilestonesController < Projects::ApplicationController
   end
 
   def show
-    @issues = @milestone.issues
-    @users = @milestone.participants.uniq
-    @merge_requests = @milestone.merge_requests
-    @labels = @milestone.labels
   end
 
   def create
diff --git a/app/controllers/projects/raw_controller.rb b/app/controllers/projects/raw_controller.rb
index d9723acb1d9..10de0e60530 100644
--- a/app/controllers/projects/raw_controller.rb
+++ b/app/controllers/projects/raw_controller.rb
@@ -13,6 +13,8 @@ class Projects::RawController < Projects::ApplicationController
     if @blob
       headers['X-Content-Type-Options'] = 'nosniff'
 
+      return if cached_blob?
+
       if @blob.lfs_pointer?
         send_lfs_object
       else
diff --git a/app/finders/issuable_finder.rb b/app/finders/issuable_finder.rb
index f7240edd618..c88a420b412 100644
--- a/app/finders/issuable_finder.rb
+++ b/app/finders/issuable_finder.rb
@@ -263,11 +263,9 @@ class IssuableFinder
   def by_label(items)
     if labels?
       if filter_by_no_label?
-        items = items.
-          joins("LEFT OUTER JOIN label_links ON label_links.target_type = '#{klass.name}' AND label_links.target_id = #{klass.table_name}.id").
-          where(label_links: { id: nil })
+        items = items.without_label
       else
-        items = items.joins(:labels).where(labels: { title: label_names })
+        items = items.with_label(label_names)
 
         if projects
           items = items.where(labels: { project_id: projects })
diff --git a/app/finders/snippets_finder.rb b/app/finders/snippets_finder.rb
index 07b5759443b..a41172816b8 100644
--- a/app/finders/snippets_finder.rb
+++ b/app/finders/snippets_finder.rb
@@ -4,7 +4,7 @@ class SnippetsFinder
 
     case filter
     when :all then
-      snippets(current_user).fresh.non_expired
+      snippets(current_user).fresh
     when :by_user then
       by_user(current_user, params[:user], params[:scope])
     when :by_project
@@ -27,7 +27,7 @@ class SnippetsFinder
   end
 
   def by_user(current_user, user, scope)
-    snippets = user.snippets.fresh.non_expired
+    snippets = user.snippets.fresh
 
     return snippets.are_public unless current_user
 
@@ -48,7 +48,7 @@ class SnippetsFinder
   end
 
   def by_project(current_user, project)
-    snippets = project.snippets.fresh.non_expired
+    snippets = project.snippets.fresh
 
     if current_user
       if project.team.member?(current_user.id)
diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index f0aa2b57121..368969c6472 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -72,7 +72,7 @@ module ApplicationHelper
     if user_or_email.is_a?(User)
       user = user_or_email
     else
-      user = User.find_by(email: user_or_email.downcase)
+      user = User.find_by(email: user_or_email.try(:downcase))
     end
 
     if user
diff --git a/app/helpers/blob_helper.rb b/app/helpers/blob_helper.rb
index 7f63a2e2cb4..0f77b3b299a 100644
--- a/app/helpers/blob_helper.rb
+++ b/app/helpers/blob_helper.rb
@@ -152,4 +152,25 @@ module BlobHelper
       'application/octet-stream'
     end
   end
+
+  def cached_blob?
+    stale = stale?(etag: @blob.id) # The #stale? method sets cache headers.
+
+    # Because we are opionated we set the cache headers ourselves.
+    response.cache_control[:public] = @project.public?
+
+    if @ref && @commit && @ref == @commit.id
+      # This is a link to a commit by its commit SHA. That means that the blob
+      # is immutable. The only reason to invalidate the cache is if the commit
+      # was deleted or if the user lost access to the repository.
+      response.cache_control[:max_age] = Blob::CACHE_TIME_IMMUTABLE
+    else
+      # A branch or tag points at this blob. That means that the expected blob
+      # value may change over time.
+      response.cache_control[:max_age] = Blob::CACHE_TIME
+    end
+
+    response.etag = @blob.id
+    !stale
+  end
 end
diff --git a/app/helpers/commits_helper.rb b/app/helpers/commits_helper.rb
index a09e91578b6..f994c9e6170 100644
--- a/app/helpers/commits_helper.rb
+++ b/app/helpers/commits_helper.rb
@@ -211,4 +211,15 @@ module CommitsHelper
   def clean(string)
     Sanitize.clean(string, remove_contents: true)
   end
+
+  def limited_commits(commits)
+    if commits.size > MergeRequestDiff::COMMITS_SAFE_SIZE
+      [
+        commits.first(MergeRequestDiff::COMMITS_SAFE_SIZE),
+        commits.size - MergeRequestDiff::COMMITS_SAFE_SIZE
+      ]
+    else
+      [commits, 0]
+    end
+  end
 end
diff --git a/app/helpers/explore_helper.rb b/app/helpers/explore_helper.rb
index 3648757428b..337b0aacbb5 100644
--- a/app/helpers/explore_helper.rb
+++ b/app/helpers/explore_helper.rb
@@ -1,5 +1,5 @@
 module ExploreHelper
-  def explore_projects_filter_path(options={})
+  def filter_projects_path(options={})
     exist_opts = {
       sort: params[:sort],
       scope: params[:scope],
@@ -9,15 +9,7 @@ module ExploreHelper
     }
 
     options = exist_opts.merge(options)
-
-    path = if explore_controller?
-             explore_projects_path
-           elsif current_action?(:starred)
-             starred_dashboard_projects_path
-           else
-             dashboard_projects_path
-           end
-
+    path = request.path
     path << "?#{options.to_param}"
     path
   end
diff --git a/app/helpers/labels_helper.rb b/app/helpers/labels_helper.rb
index 1c7fcc13b42..89a054289e8 100644
--- a/app/helpers/labels_helper.rb
+++ b/app/helpers/labels_helper.rb
@@ -50,19 +50,25 @@ module LabelsHelper
     @project.labels.pluck(:title)
   end
 
-  def render_colored_label(label)
+  def render_colored_label(label, label_suffix = '')
     label_color = label.color || Label::DEFAULT_COLOR
     text_color = text_color_for_bg(label_color)
 
     # Intentionally not using content_tag here so that this method can be called
     # by LabelReferenceFilter
     span = %(<span class="label color-label") +
-      %( style="background-color: #{label_color}; color: #{text_color}">) +
-      escape_once(label.name) + '</span>'
+      %(style="background-color: #{label_color}; color: #{text_color}">) +
+      %(#{escape_once(label.name)}#{label_suffix}</span>)
 
     span.html_safe
   end
 
+  def render_colored_cross_project_label(label)
+    label_suffix = label.project.name_with_namespace
+    label_suffix = " <i>in #{escape_once(label_suffix)}</i>"
+    render_colored_label(label, label_suffix)
+  end
+
   def suggested_colors
     [
       '#0033CC',
@@ -119,5 +125,6 @@ module LabelsHelper
   end
 
   # Required for Banzai::Filter::LabelReferenceFilter
-  module_function :render_colored_label, :text_color_for_bg, :escape_once
+  module_function :render_colored_label, :render_colored_cross_project_label,
+                  :text_color_for_bg, :escape_once
 end
diff --git a/app/helpers/milestones_helper.rb b/app/helpers/milestones_helper.rb
index 7de81d8dfdb..e3e7daa49c5 100644
--- a/app/helpers/milestones_helper.rb
+++ b/app/helpers/milestones_helper.rb
@@ -9,6 +9,32 @@ module MilestonesHelper
     end
   end
 
+  def milestones_label_path(opts = {})
+    if @project
+      namespace_project_issues_path(@project.namespace, @project, opts)
+    elsif @group
+      issues_group_path(@group, opts)
+    else
+      issues_dashboard_path(opts)
+    end
+  end
+
+  def milestones_browse_issuables_path(milestone, type:)
+    opts = { milestone_title: milestone.title }
+
+    if @project
+      polymorphic_path([@project.namespace.becomes(Namespace), @project, type], opts)
+    elsif @group
+      polymorphic_url([type, @group], opts)
+    else
+      polymorphic_url([type, :dashboard], opts)
+    end
+  end
+
+  def milestone_issues_by_label_count(milestone, label, state:)
+    milestone.issues.with_label(label.title).send(state).size
+  end
+
   def milestone_progress_bar(milestone)
     options = {
       class: 'progress-bar progress-bar-success',
diff --git a/app/helpers/snippets_helper.rb b/app/helpers/snippets_helper.rb
index 41ae4048992..0a5a8eb5aee 100644
--- a/app/helpers/snippets_helper.rb
+++ b/app/helpers/snippets_helper.rb
@@ -1,14 +1,4 @@
 module SnippetsHelper
-  def lifetime_select_options
-    options = [
-        ['forever', nil],
-        ['1 day',   "#{Date.current + 1.day}"],
-        ['1 week',  "#{Date.current + 1.week}"],
-        ['1 month', "#{Date.current + 1.month}"]
-    ]
-    options_for_select(options)
-  end
-
   def reliable_snippet_path(snippet)
     if snippet.project_id?
       namespace_project_snippet_path(snippet.project.namespace,
diff --git a/app/helpers/sorting_helper.rb b/app/helpers/sorting_helper.rb
index f9026b887da..2f2d2721d6d 100644
--- a/app/helpers/sorting_helper.rb
+++ b/app/helpers/sorting_helper.rb
@@ -16,6 +16,16 @@ module SortingHelper
     }
   end
 
+  def projects_sort_options_hash
+    {
+      sort_value_name => sort_title_name,
+      sort_value_recently_updated => sort_title_recently_updated,
+      sort_value_oldest_updated => sort_title_oldest_updated,
+      sort_value_recently_created => sort_title_recently_created,
+      sort_value_oldest_created => sort_title_oldest_created,
+    }
+  end
+
   def sort_title_oldest_updated
     'Oldest updated'
   end
diff --git a/app/models/ability.rb b/app/models/ability.rb
index f34554d557c..fe9e0aab717 100644
--- a/app/models/ability.rb
+++ b/app/models/ability.rb
@@ -9,6 +9,7 @@ class Ability
       when CommitStatus then commit_status_abilities(user, subject)
       when Project then project_abilities(user, subject)
       when Issue then issue_abilities(user, subject)
+      when ExternalIssue then external_issue_abilities(user, subject)
       when Note then note_abilities(user, subject)
       when ProjectSnippet then project_snippet_abilities(user, subject)
       when PersonalSnippet then personal_snippet_abilities(user, subject)
@@ -424,6 +425,10 @@ class Ability
       end
     end
 
+    def external_issue_abilities(user, subject)
+      project_abilities(user, subject.project)
+    end
+
     private
 
     def named_abilities(name)
diff --git a/app/models/blob.rb b/app/models/blob.rb
index 8ee9f3006b2..72e6c5fa3fd 100644
--- a/app/models/blob.rb
+++ b/app/models/blob.rb
@@ -1,5 +1,8 @@
 # Blob is a Rails-specific wrapper around Gitlab::Git::Blob objects
 class Blob < SimpleDelegator
+  CACHE_TIME = 60 # Cache raw blobs referred to by a (mutable) ref for 1 minute
+  CACHE_TIME_IMMUTABLE = 3600 # Cache blobs referred to by an immutable reference for 1 hour
+
   # Wrap a Gitlab::Git::Blob object, or return nil when given nil
   #
   # This method prevents the decorated object from evaluating to "truthy" when
diff --git a/app/models/concerns/issuable.rb b/app/models/concerns/issuable.rb
index 286d6655861..27b97944e38 100644
--- a/app/models/concerns/issuable.rb
+++ b/app/models/concerns/issuable.rb
@@ -29,12 +29,15 @@ module Issuable
     scope :assigned, -> { where("assignee_id IS NOT NULL") }
     scope :unassigned, -> { where("assignee_id IS NULL") }
     scope :of_projects, ->(ids) { where(project_id: ids) }
+    scope :of_milestones, ->(ids) { where(milestone_id: ids) }
     scope :opened, -> { with_state(:opened, :reopened) }
     scope :only_opened, -> { with_state(:opened) }
     scope :only_reopened, -> { with_state(:reopened) }
     scope :closed, -> { with_state(:closed) }
     scope :order_milestone_due_desc, -> { joins(:milestone).reorder('milestones.due_date DESC, milestones.id DESC') }
     scope :order_milestone_due_asc, -> { joins(:milestone).reorder('milestones.due_date ASC, milestones.id ASC') }
+    scope :with_label, ->(title) { joins(:labels).where(labels: { title: title }) }
+    scope :without_label, -> { joins("LEFT OUTER JOIN label_links ON label_links.target_type = '#{name}' AND label_links.target_id = #{table_name}.id").where(label_links: { id: nil }) }
 
     scope :join_project, -> { joins(:project) }
     scope :references_project, -> { references(:project) }
diff --git a/app/models/concerns/milestoneish.rb b/app/models/concerns/milestoneish.rb
new file mode 100644
index 00000000000..d67df7c1d9c
--- /dev/null
+++ b/app/models/concerns/milestoneish.rb
@@ -0,0 +1,25 @@
+module Milestoneish
+  def closed_items_count
+    issues.closed.size + merge_requests.closed_and_merged.size
+  end
+
+  def total_items_count
+    issues.size + merge_requests.size
+  end
+
+  def complete?
+    total_items_count == closed_items_count
+  end
+
+  def percent_complete
+    ((closed_items_count * 100) / total_items_count).abs
+  rescue ZeroDivisionError
+    0
+  end
+
+  def remaining_days
+    return 0 if !due_date || expired?
+
+    (due_date - Date.today).to_i
+  end
+end
diff --git a/app/models/global_label.rb b/app/models/global_label.rb
index 0171f7d54b7..ddd4bad5c21 100644
--- a/app/models/global_label.rb
+++ b/app/models/global_label.rb
@@ -2,16 +2,19 @@ class GlobalLabel
   attr_accessor :title, :labels
   alias_attribute :name, :title
 
+  delegate :color, :description, to: :@first_label
+
   def self.build_collection(labels)
     labels = labels.group_by(&:title)
 
-    labels.map do |title, label|
-      new(title, label)
+    labels.map do |title, labels|
+      new(title, labels)
     end
   end
 
   def initialize(title, labels)
     @title = title
     @labels = labels
+    @first_label = labels.find { |lbl| lbl.description.present? } || labels.first
   end
 end
diff --git a/app/models/global_milestone.rb b/app/models/global_milestone.rb
index 7ee276255a0..97bd79af083 100644
--- a/app/models/global_milestone.rb
+++ b/app/models/global_milestone.rb
@@ -1,4 +1,6 @@
 class GlobalMilestone
+  include Milestoneish
+
   attr_accessor :title, :milestones
   alias_attribute :name, :title
 
@@ -28,33 +30,7 @@ class GlobalMilestone
   end
 
   def projects
-    milestones.map { |milestone| milestone.project }
-  end
-
-  def issue_count
-    milestones.map { |milestone| milestone.issues.count }.sum
-  end
-
-  def merge_requests_count
-    milestones.map { |milestone| milestone.merge_requests.count }.sum
-  end
-
-  def open_items_count
-    milestones.map { |milestone| milestone.open_items_count }.sum
-  end
-
-  def closed_items_count
-    milestones.map { |milestone| milestone.closed_items_count }.sum
-  end
-
-  def total_items_count
-    milestones.map { |milestone| milestone.total_items_count }.sum
-  end
-
-  def percent_complete
-    ((closed_items_count * 100) / total_items_count).abs
-  rescue ZeroDivisionError
-    0
+    @projects ||= Project.for_milestones(milestones.map(&:id))
   end
 
   def state
@@ -76,35 +52,20 @@ class GlobalMilestone
   end
 
   def issues
-    @issues ||= milestones.map(&:issues).flatten.group_by(&:state)
+    @issues ||= Issue.of_milestones(milestones.map(&:id)).includes(:project)
   end
 
   def merge_requests
-    @merge_requests ||= milestones.map(&:merge_requests).flatten.group_by(&:state)
+    @merge_requests ||= MergeRequest.of_milestones(milestones.map(&:id)).includes(:target_project)
   end
 
   def participants
     @participants ||= milestones.map(&:participants).flatten.compact.uniq
   end
 
-  def opened_issues
-    issues.values_at("opened", "reopened").compact.flatten
-  end
-
-  def closed_issues
-    issues['closed']
-  end
-
-  def opened_merge_requests
-    merge_requests.values_at("opened", "reopened").compact.flatten
-  end
-
-  def closed_merge_requests
-    merge_requests.values_at("closed", "merged", "locked").compact.flatten
-  end
-
-  def complete?
-    total_items_count == closed_items_count
+  def labels
+    @labels ||= GlobalLabel.build_collection(milestones.map(&:labels).flatten)
+                           .sort_by!(&:title)
   end
 
   def due_date
diff --git a/app/models/label.rb b/app/models/label.rb
index c34f4e4ba60..5ff644b8426 100644
--- a/app/models/label.rb
+++ b/app/models/label.rb
@@ -48,10 +48,15 @@ class Label < ActiveRecord::Base
     '~'
   end
 
+  ##
   # Pattern used to extract label references from text
+  #
+  # This pattern supports cross-project references.
+  #
   def self.reference_pattern
     %r{
-      #{reference_prefix}
+      (#{Project.reference_pattern})?
+      #{Regexp.escape(reference_prefix)}
       (?:
         (?<label_id>\d+) | # Integer-based label ID, or
         (?<label_name>
@@ -62,24 +67,31 @@ class Label < ActiveRecord::Base
     }x
   end
 
+  def self.link_reference_pattern
+    nil
+  end
+
+  ##
   # Returns the String necessary to reference this Label in Markdown
   #
   # format - Symbol format to use (default: :id, optional: :name)
   #
-  # Note that its argument differs from other objects implementing Referable. If
-  # a non-Symbol argument is given (such as a Project), it will default to :id.
-  #
   # Examples:
   #
-  #   Label.first.to_reference        # => "~1"
-  #   Label.first.to_reference(:name) # => "~\"bug\""
+  #   Label.first.to_reference                # => "~1"
+  #   Label.first.to_reference(format: :name) # => "~\"bug\""
+  #   Label.first.to_reference(project)       # => "gitlab-org/gitlab-ce~1"
   #
   # Returns a String
-  def to_reference(format = :id)
-    if format == :name && !name.include?('"')
-      %(#{self.class.reference_prefix}"#{name}")
+  #
+  def to_reference(from_project = nil, format: :id)
+    format_reference = label_format_reference(format)
+    reference = "#{self.class.reference_prefix}#{format_reference}"
+
+    if cross_project_reference?(from_project)
+      project.to_reference + reference
     else
-      "#{self.class.reference_prefix}#{id}"
+      reference
     end
   end
 
@@ -98,4 +110,16 @@ class Label < ActiveRecord::Base
   def template?
     template
   end
+
+  private
+
+  def label_format_reference(format = :id)
+    raise StandardError, 'Unknown format' unless [:id, :name].include?(format)
+
+    if format == :name && !name.include?('"')
+      %("#{name}")
+    else
+      id
+    end
+  end
 end
diff --git a/app/models/merge_request.rb b/app/models/merge_request.rb
index cf26183c254..c1e18bb3cc5 100644
--- a/app/models/merge_request.rb
+++ b/app/models/merge_request.rb
@@ -137,9 +137,7 @@ class MergeRequest < ActiveRecord::Base
   scope :by_milestone, ->(milestone) { where(milestone_id: milestone) }
   scope :in_projects, ->(project_ids) { where("source_project_id in (:project_ids) OR target_project_id in (:project_ids)", project_ids: project_ids) }
   scope :of_projects, ->(ids) { where(target_project_id: ids) }
-  scope :opened, -> { with_states(:opened, :reopened) }
   scope :merged, -> { with_state(:merged) }
-  scope :closed, -> { with_state(:closed) }
   scope :closed_and_merged, -> { with_states(:closed, :merged) }
 
   scope :join_project, -> { joins(:target_project) }
@@ -537,6 +535,29 @@ class MergeRequest < ActiveRecord::Base
     end
   end
 
+  def diverged_commits_count
+    cache = Rails.cache.read(:"merge_request_#{id}_diverged_commits")
+
+    if cache.blank? || cache[:source_sha] != source_sha || cache[:target_sha] != target_sha
+      cache = {
+        source_sha: source_sha,
+        target_sha: target_sha,
+        diverged_commits_count: compute_diverged_commits_count
+      }
+      Rails.cache.write(:"merge_request_#{id}_diverged_commits", cache)
+    end
+
+    cache[:diverged_commits_count]
+  end
+
+  def compute_diverged_commits_count
+    Gitlab::Git::Commit.between(target_project.repository.raw_repository, source_sha, target_sha).size
+  end
+
+  def diverged_from_target_branch?
+    diverged_commits_count > 0
+  end
+
   def ci_commit
     @ci_commit ||= source_project.ci_commit(last_commit.id) if last_commit && source_project
   end
diff --git a/app/models/merge_request_diff.rb b/app/models/merge_request_diff.rb
index df08d3a6dfb..33884118595 100644
--- a/app/models/merge_request_diff.rb
+++ b/app/models/merge_request_diff.rb
@@ -17,7 +17,7 @@ class MergeRequestDiff < ActiveRecord::Base
   include Sortable
 
   # Prevent store of diff if commits amount more then 500
-  COMMITS_SAFE_SIZE = 500
+  COMMITS_SAFE_SIZE = 100
 
   belongs_to :merge_request
 
diff --git a/app/models/milestone.rb b/app/models/milestone.rb
index 7dc2f909b2f..e3969f32dd6 100644
--- a/app/models/milestone.rb
+++ b/app/models/milestone.rb
@@ -24,12 +24,13 @@ class Milestone < ActiveRecord::Base
   include Sortable
   include Referable
   include StripAttribute
+  include Milestoneish
 
   belongs_to :project
   has_many :issues
   has_many :labels, -> { distinct.reorder('labels.title') },  through: :issues
   has_many :merge_requests
-  has_many :participants, through: :issues, source: :assignee
+  has_many :participants, -> { distinct.reorder('users.name') }, through: :issues, source: :assignee
 
   scope :active, -> { with_state(:active) }
   scope :closed, -> { with_state(:closed) }
@@ -92,30 +93,6 @@ class Milestone < ActiveRecord::Base
     end
   end
 
-  def open_items_count
-    self.issues.opened.count + self.merge_requests.opened.count
-  end
-
-  def closed_items_count
-    self.issues.closed.count + self.merge_requests.closed_and_merged.count
-  end
-
-  def total_items_count
-    self.issues.count + self.merge_requests.count
-  end
-
-  def percent_complete
-    ((closed_items_count * 100) / total_items_count).abs
-  rescue ZeroDivisionError
-    0
-  end
-
-  def remaining_days
-    return 0 if !due_date || expired?
-
-    (due_date - Date.today).to_i
-  end
-
   def expires_at
     if due_date
       if due_date.past?
diff --git a/app/models/personal_snippet.rb b/app/models/personal_snippet.rb
index 9cee3b70cb3..452f3913eef 100644
--- a/app/models/personal_snippet.rb
+++ b/app/models/personal_snippet.rb
@@ -10,7 +10,6 @@
 #  created_at       :datetime
 #  updated_at       :datetime
 #  file_name        :string(255)
-#  expires_at       :datetime
 #  type             :string(255)
 #  visibility_level :integer          default(0), not null
 #
diff --git a/app/models/project.rb b/app/models/project.rb
index 148eab692ff..426464dee81 100644
--- a/app/models/project.rb
+++ b/app/models/project.rb
@@ -151,6 +151,7 @@ class Project < ActiveRecord::Base
   has_many :releases, dependent: :destroy
   has_many :lfs_objects_projects, dependent: :destroy
   has_many :lfs_objects, through: :lfs_objects_projects
+  has_many :todos, dependent: :destroy
 
   has_one :import_data, dependent: :destroy, class_name: "ProjectImportData"
 
@@ -215,6 +216,7 @@ class Project < ActiveRecord::Base
   scope :public_only, -> { where(visibility_level: Project::PUBLIC) }
   scope :public_and_internal_only, -> { where(visibility_level: Project.public_and_internal_levels) }
   scope :non_archived, -> { where(archived: false) }
+  scope :for_milestones, ->(ids) { joins(:milestones).where('milestones.id' => ids).distinct }
 
   state_machine :import_status, initial: :none do
     event :import_start do
diff --git a/app/models/project_snippet.rb b/app/models/project_snippet.rb
index 9e2c1b0e18e..1f7d85a5f3d 100644
--- a/app/models/project_snippet.rb
+++ b/app/models/project_snippet.rb
@@ -10,7 +10,6 @@
 #  created_at       :datetime
 #  updated_at       :datetime
 #  file_name        :string(255)
-#  expires_at       :datetime
 #  type             :string(255)
 #  visibility_level :integer          default(0), not null
 #
@@ -23,6 +22,4 @@ class ProjectSnippet < Snippet
 
   # Scopes
   scope :fresh, -> { order("created_at DESC") }
-  scope :non_expired, -> { where(["expires_at IS NULL OR expires_at > ?", Time.current]) }
-  scope :expired, -> { where(["expires_at IS NOT NULL AND expires_at < ?", Time.current]) }
 end
diff --git a/app/models/repository.rb b/app/models/repository.rb
index c135ab61f6a..6441cd87e87 100644
--- a/app/models/repository.rb
+++ b/app/models/repository.rb
@@ -133,18 +133,18 @@ class Repository
       rugged.branches.create(branch_name, target)
     end
 
-    expire_branches_cache
+    after_create_branch
     find_branch(branch_name)
   end
 
   def add_tag(tag_name, ref, message = nil)
-    expire_tags_cache
+    before_push_tag
 
     gitlab_shell.add_tag(path_with_namespace, tag_name, ref, message)
   end
 
   def rm_branch(user, branch_name)
-    expire_branches_cache
+    before_remove_branch
 
     branch = find_branch(branch_name)
     oldrev = branch.try(:target)
@@ -155,12 +155,12 @@ class Repository
       rugged.branches.delete(branch_name)
     end
 
-    expire_branches_cache
+    after_remove_branch
     true
   end
 
   def rm_tag(tag_name)
-    expire_tags_cache
+    before_remove_tag
 
     gitlab_shell.rm_tag(path_with_namespace, tag_name)
   end
@@ -183,6 +183,14 @@ class Repository
     end
   end
 
+  def branch_count
+    @branch_count ||= cache.fetch(:branch_count) { raw_repository.branch_count }
+  end
+
+  def tag_count
+    @tag_count ||= cache.fetch(:tag_count) { raw_repository.rugged.tags.count }
+  end
+
   # Return repo size in megabytes
   # Cached in redis
   def size
@@ -278,6 +286,16 @@ class Repository
     @has_visible_content = nil
   end
 
+  def expire_branch_count_cache
+    cache.expire(:branch_count)
+    @branch_count = nil
+  end
+
+  def expire_tag_count_cache
+    cache.expire(:tag_count)
+    @tag_count = nil
+  end
+
   def rebuild_cache
     cache_keys.each do |key|
       cache.expire(key)
@@ -313,9 +331,17 @@ class Repository
     expire_root_ref_cache
   end
 
-  # Runs code before creating a new tag.
-  def before_create_tag
+  # Runs code before pushing (= creating or removing) a tag.
+  def before_push_tag
     expire_cache
+    expire_tags_cache
+    expire_tag_count_cache
+  end
+
+  # Runs code before removing a tag.
+  def before_remove_tag
+    expire_tags_cache
+    expire_tag_count_cache
   end
 
   # Runs code after a repository has been forked/imported.
@@ -330,12 +356,21 @@ class Repository
 
   # Runs code after a new branch has been created.
   def after_create_branch
+    expire_branches_cache
     expire_has_visible_content_cache
+    expire_branch_count_cache
+  end
+
+  # Runs code before removing an existing branch.
+  def before_remove_branch
+    expire_branches_cache
   end
 
   # Runs code after an existing branch has been removed.
   def after_remove_branch
     expire_has_visible_content_cache
+    expire_branch_count_cache
+    expire_branches_cache
   end
 
   def method_missing(m, *args, &block)
@@ -812,6 +847,12 @@ class Repository
     raw_repository.ls_files(actual_ref)
   end
 
+  def main_language
+    unless empty?
+      Linguist::Repository.new(rugged, rugged.head.target_id).language
+    end
+  end
+
   private
 
   def cache
diff --git a/app/models/snippet.rb b/app/models/snippet.rb
index f876be7a4c8..dd3925c7a7d 100644
--- a/app/models/snippet.rb
+++ b/app/models/snippet.rb
@@ -10,7 +10,6 @@
 #  created_at       :datetime
 #  updated_at       :datetime
 #  file_name        :string(255)
-#  expires_at       :datetime
 #  type             :string(255)
 #  visibility_level :integer          default(0), not null
 #
@@ -46,8 +45,6 @@ class Snippet < ActiveRecord::Base
   scope :are_public, -> { where(visibility_level: Snippet::PUBLIC) }
   scope :public_and_internal, -> { where(visibility_level: [Snippet::PUBLIC, Snippet::INTERNAL]) }
   scope :fresh,   -> { order("created_at DESC") }
-  scope :expired, -> { where(["expires_at IS NOT NULL AND expires_at < ?", Time.current]) }
-  scope :non_expired, -> { where(["expires_at IS NULL OR expires_at > ?", Time.current]) }
 
   participant :author, :notes
 
@@ -111,10 +108,6 @@ class Snippet < ActiveRecord::Base
     nil
   end
 
-  def expired?
-    expires_at && expires_at < Time.current
-  end
-
   def visibility_level_field
     visibility_level
   end
diff --git a/app/services/git_push_service.rb b/app/services/git_push_service.rb
index 9ba200f7bde..93a16e88967 100644
--- a/app/services/git_push_service.rb
+++ b/app/services/git_push_service.rb
@@ -14,6 +14,7 @@ class GitPushService < BaseService
   #  3. Recognizes cross-references from commit messages
   #  4. Executes the project's web hooks
   #  5. Executes the project's services
+  #  6. Checks if the project's main language has changed
   #
   def execute
     @project.repository.after_push_commit(branch_name)
@@ -42,11 +43,24 @@ class GitPushService < BaseService
       @push_commits = @project.repository.commits_between(params[:oldrev], params[:newrev])
       process_commit_messages
     end
+    # Checks if the main language has changed in the project and if so
+    # it updates it accordingly
+    update_main_language
     # Update merge requests that may be affected by this push. A new branch
     # could cause the last commit of a merge request to change.
     update_merge_requests
   end
 
+  def update_main_language
+    current_language = @project.repository.main_language
+
+    unless current_language == @project.main_language
+      return @project.update_attributes(main_language: current_language)
+    end
+
+    true
+  end
+
   protected
 
   def update_merge_requests
@@ -96,7 +110,9 @@ class GitPushService < BaseService
         # a different branch.
         closed_issues = commit.closes_issues(current_user)
         closed_issues.each do |issue|
-          Issues::CloseService.new(project, authors[commit], {}).execute(issue, commit)
+          if can?(current_user, :update_issue, issue)
+            Issues::CloseService.new(project, authors[commit], {}).execute(issue, commit)
+          end
         end
       end
 
diff --git a/app/services/git_tag_push_service.rb b/app/services/git_tag_push_service.rb
index a62c5fc4fc4..c88c7672805 100644
--- a/app/services/git_tag_push_service.rb
+++ b/app/services/git_tag_push_service.rb
@@ -2,7 +2,7 @@ class GitTagPushService
   attr_accessor :project, :user, :push_data
 
   def execute(project, user, oldrev, newrev, ref)
-    project.repository.before_create_tag
+    project.repository.before_push_tag
 
     @project, @user = project, user
     @push_data = build_push_data(oldrev, newrev, ref)
diff --git a/app/services/merge_requests/post_merge_service.rb b/app/services/merge_requests/post_merge_service.rb
index 8f25c5e2496..ebb67c7db65 100644
--- a/app/services/merge_requests/post_merge_service.rb
+++ b/app/services/merge_requests/post_merge_service.rb
@@ -21,7 +21,9 @@ module MergeRequests
 
       closed_issues = merge_request.closes_issues(current_user)
       closed_issues.each do |issue|
-        Issues::CloseService.new(project, current_user, {}).execute(issue, merge_request)
+        if can?(current_user, :update_issue, issue)
+          Issues::CloseService.new(project, current_user, {}).execute(issue, merge_request)
+        end
       end
     end
 
diff --git a/app/services/system_note_service.rb b/app/services/system_note_service.rb
index edced010811..58a861ee08e 100644
--- a/app/services/system_note_service.rb
+++ b/app/services/system_note_service.rb
@@ -66,7 +66,7 @@ class SystemNoteService
   def self.change_label(noteable, project, author, added_labels, removed_labels)
     labels_count = added_labels.count + removed_labels.count
 
-    references     = ->(label) { label.to_reference(:id) }
+    references     = ->(label) { label.to_reference(format: :id) }
     added_labels   = added_labels.map(&references).join(' ')
     removed_labels = removed_labels.map(&references).join(' ')
 
diff --git a/app/views/dashboard/_projects_head.html.haml b/app/views/dashboard/_projects_head.html.haml
index 40f88261c10..9da3fcbd986 100644
--- a/app/views/dashboard/_projects_head.html.haml
+++ b/app/views/dashboard/_projects_head.html.haml
@@ -15,7 +15,7 @@
   .nav-controls
     = form_tag request.original_url, method: :get, class: 'project-filter-form', id: 'project-filter-form' do |f|
       = search_field_tag :filter_projects, params[:filter_projects], placeholder: 'Filter by name...', class: 'project-filter-form-field form-control input-short projects-list-filter', spellcheck: false, id: 'project-filter-form-field', tabindex: "2"
-    = render 'explore/projects/dropdown'
+    = render 'shared/projects/dropdown'
     - if current_user.can_create_project?
       = link_to new_project_path, class: 'btn btn-new' do
         = icon('plus')
diff --git a/app/views/dashboard/milestones/_issue.html.haml b/app/views/dashboard/milestones/_issue.html.haml
deleted file mode 100644
index 1408ebdd5dc..00000000000
--- a/app/views/dashboard/milestones/_issue.html.haml
+++ /dev/null
@@ -1,10 +0,0 @@
-%li{ id: dom_id(issue, 'sortable'), class: 'issue-row', 'data-iid' => issue.iid }
-  %span.milestone-row
-    - project = issue.project
-    %strong #{project.name_with_namespace} &middot;
-    = link_to [project.namespace.becomes(Namespace), project, issue] do
-      %span.cgray ##{issue.iid}
-    = link_to_gfm issue.title, [project.namespace.becomes(Namespace), project, issue], title: issue.title
-  .pull-right.assignee-icon
-    - if issue.assignee
-      = image_tag avatar_icon(issue.assignee, 16), class: "avatar s16"
diff --git a/app/views/dashboard/milestones/_issues.html.haml b/app/views/dashboard/milestones/_issues.html.haml
deleted file mode 100644
index 9f350b772bd..00000000000
--- a/app/views/dashboard/milestones/_issues.html.haml
+++ /dev/null
@@ -1,6 +0,0 @@
-.panel.panel-default
-  .panel-heading= title
-  %ul{ class: "well-list issues-sortable-list" }
-    - if issues
-      - issues.each do |issue|
-        = render 'issue', issue: issue
diff --git a/app/views/dashboard/milestones/_merge_request.html.haml b/app/views/dashboard/milestones/_merge_request.html.haml
deleted file mode 100644
index 77c46de030b..00000000000
--- a/app/views/dashboard/milestones/_merge_request.html.haml
+++ /dev/null
@@ -1,10 +0,0 @@
-%li{ id: dom_id(merge_request, 'sortable'),  class: 'mr-row', 'data-iid' => merge_request.iid }
-  %span.milestone-row
-    - project = merge_request.project
-    %strong #{project.name_with_namespace} &middot;
-    = link_to [project.namespace.becomes(Namespace), project, merge_request] do
-      %span.cgray ##{merge_request.iid}
-    = link_to_gfm merge_request.title, [project.namespace.becomes(Namespace), project, merge_request], title: merge_request.title
-  .pull-right.assignee-icon
-    - if merge_request.assignee
-      = image_tag avatar_icon(merge_request.assignee, 16), class: "avatar s16"
diff --git a/app/views/dashboard/milestones/_merge_requests.html.haml b/app/views/dashboard/milestones/_merge_requests.html.haml
deleted file mode 100644
index 50057e2c636..00000000000
--- a/app/views/dashboard/milestones/_merge_requests.html.haml
+++ /dev/null
@@ -1,6 +0,0 @@
-.panel.panel-default
-  .panel-heading= title
-  %ul{ class: "well-list merge_requests-sortable-list" }
-    - if merge_requests
-      - merge_requests.each do |merge_request|
-        = render 'merge_request', merge_request: merge_request
diff --git a/app/views/dashboard/milestones/_milestone.html.haml b/app/views/dashboard/milestones/_milestone.html.haml
index 7c882a32702..6173ca6ab9b 100644
--- a/app/views/dashboard/milestones/_milestone.html.haml
+++ b/app/views/dashboard/milestones/_milestone.html.haml
@@ -1,25 +1,6 @@
-%li{class: "milestone milestone-#{milestone.closed? ? 'closed' : 'open'}", id: dom_id(milestone.milestones.first) }
-  .row
-    .col-sm-6
-      %strong
-        = link_to_gfm truncate(milestone.title, length: 100), dashboard_milestone_path(milestone.safe_title, title: milestone.title)
-    .col-sm-6
-      .pull-right.light #{milestone.percent_complete}% complete
-  .row
-    .col-sm-6
-      = link_to issues_dashboard_path(milestone_title: milestone.title) do
-        = pluralize milestone.issue_count, 'Issue'
-      &middot;
-      = link_to merge_requests_dashboard_path(milestone_title: milestone.title) do
-        = pluralize milestone.merge_requests_count, 'Merge Request'
-    .col-sm-6
-      = milestone_progress_bar(milestone)
-  .row
-    .col-sm-6
-      .expiration
-        = render 'shared/milestone_expired', milestone: milestone
-      .projects
-        - milestone.milestones.each do |milestone|
-          = link_to milestone_path(milestone) do
-            %span.label.label-gray
-              = milestone.project.name_with_namespace
+= render 'shared/milestones/milestone',
+          milestone_path: dashboard_milestone_path(milestone.safe_title, title: milestone.title),
+          issues_path: issues_dashboard_path(milestone_title: milestone.title),
+          merge_requests_path: merge_requests_dashboard_path(milestone_title: milestone.title),
+          milestone: milestone,
+          dashboard: true
diff --git a/app/views/dashboard/milestones/show.html.haml b/app/views/dashboard/milestones/show.html.haml
index 3810267577c..60c84a26420 100644
--- a/app/views/dashboard/milestones/show.html.haml
+++ b/app/views/dashboard/milestones/show.html.haml
@@ -1,105 +1,5 @@
-- page_title @milestone.title, "Milestones"
 - header_title "Milestones", dashboard_milestones_path
 
-.detail-page-header
-  .status-box{ class: "status-box-#{@milestone.closed? ? 'closed' : 'open'}" }
-    - if @milestone.closed?
-      Closed
-    - else
-      Open
-  %span.identifier
-    Milestone #{@milestone.title}
-
-.detail-page-description.gray-content-block.second-block
-  %h2.title
-    = markdown escape_once(@milestone.title), pipeline: :single_line
-
-- if @milestone.complete? && @milestone.active?
-  .alert.alert-success.prepend-top-default
-    %span All issues for this milestone are closed. Navigate to the project to close the milestone.
-
-.table-holder
-  %table.table
-    %thead
-      %tr
-        %th Project
-        %th Open issues
-        %th State
-        %th Due date
-    - @milestone.milestones.each do |milestone|
-      %tr
-        %td
-          = link_to "#{milestone.project.name_with_namespace}", namespace_project_milestone_path(milestone.project.namespace, milestone.project, milestone)
-        %td
-          = milestone.issues.opened.count
-        %td
-          - if milestone.closed?
-            Closed
-          - else
-            Open
-        %td
-          = milestone.expires_at
-
-.context
-  %p.lead
-    Progress:
-    #{@milestone.closed_items_count} closed
-    &ndash;
-    #{@milestone.open_items_count} open
-  = milestone_progress_bar(@milestone)
-
-%ul.nav-links.no-top.no-bottom
-  %li.active
-    = link_to '#tab-issues', 'data-toggle' => 'tab' do
-      Issues
-      %span.badge= @milestone.issue_count
-  %li
-    = link_to '#tab-merge-requests', 'data-toggle' => 'tab' do
-      Merge Requests
-      %span.badge= @milestone.merge_requests_count
-  %li
-    = link_to '#tab-participants', 'data-toggle' => 'tab' do
-      Participants
-      %span.badge= @milestone.participants.count
-
-.tab-content
-  .tab-pane.active#tab-issues
-    .gray-content-block.middle-block
-      .pull-right
-        = link_to 'Browse Issues', issues_dashboard_path(milestone_title: @milestone.title), class: "btn btn-grouped"
-
-      .oneline
-        All issues in this milestone
-
-    .row.prepend-top-default
-      .col-md-6
-        = render 'issues', title: "Open", issues: @milestone.opened_issues
-      .col-md-6
-        = render 'issues', title: "Closed", issues: @milestone.closed_issues
-
-  .tab-pane#tab-merge-requests
-    .gray-content-block.middle-block
-      .pull-right
-        = link_to 'Browse Merge Requests', merge_requests_dashboard_path(milestone_title: @milestone.title), class: "btn btn-grouped"
-
-      .oneline
-        All merge requests in this milestone
-
-    .row.prepend-top-default
-      .col-md-6
-        = render 'merge_requests', title: "Open", merge_requests: @milestone.opened_merge_requests
-      .col-md-6
-        = render 'merge_requests', title: "Closed", merge_requests: @milestone.closed_merge_requests
-
-  .tab-pane#tab-participants
-    .gray-content-block.middle-block
-      .oneline
-        All participants to this milestone
-    %ul.bordered-list
-      - @milestone.participants.each do |user|
-        %li
-          = link_to user, title: user.name, class: "darken" do
-            = image_tag avatar_icon(user, 32), class: "avatar s32"
-            %strong= truncate(user.name, lenght: 40)
-            %br
-            %small.cgray= user.username
+= render 'shared/milestones/top', milestone: @milestone
+= render 'shared/milestones/summary', milestone: @milestone
+= render 'shared/milestones/tabs', milestone: @milestone, show_full_project_name: true
diff --git a/app/views/dashboard/todos/_todo.html.haml b/app/views/dashboard/todos/_todo.html.haml
index f878d36e739..45cfe3da188 100644
--- a/app/views/dashboard/todos/_todo.html.haml
+++ b/app/views/dashboard/todos/_todo.html.haml
@@ -4,7 +4,10 @@
 
     .todo-title
       %span.author-name
-        = link_to_author todo
+        - if todo.author
+          = link_to_author(todo)
+        - else
+          (removed)
       %span.todo-label
         = todo_action_name(todo)
         = todo_target_link(todo)
diff --git a/app/views/explore/projects/_dropdown.html.haml b/app/views/explore/projects/_dropdown.html.haml
deleted file mode 100644
index a4b4cd8d6c7..00000000000
--- a/app/views/explore/projects/_dropdown.html.haml
+++ /dev/null
@@ -1,20 +0,0 @@
-.dropdown.inline
-  %button.dropdown-toggle.btn{type: 'button', 'data-toggle' => 'dropdown'}
-    %span.light
-    - if @sort.present?
-      = sort_options_hash[@sort]
-    - else
-      = sort_title_recently_updated
-    %b.caret
-  %ul.dropdown-menu.dropdown-menu-align-right
-    %li
-      = link_to explore_projects_filter_path(sort: sort_value_name) do
-        = sort_title_name
-      = link_to explore_projects_filter_path(sort: sort_value_recently_created) do
-        = sort_title_recently_created
-      = link_to explore_projects_filter_path(sort: sort_value_oldest_created) do
-        = sort_title_oldest_created
-      = link_to explore_projects_filter_path(sort: sort_value_recently_updated) do
-        = sort_title_recently_updated
-      = link_to explore_projects_filter_path(sort: sort_value_oldest_updated) do
-        = sort_title_oldest_updated
diff --git a/app/views/explore/projects/_filter.html.haml b/app/views/explore/projects/_filter.html.haml
index 39e3e8e2738..cd485da5104 100644
--- a/app/views/explore/projects/_filter.html.haml
+++ b/app/views/explore/projects/_filter.html.haml
@@ -10,11 +10,11 @@
       %b.caret
     %ul.dropdown-menu
       %li
-        = link_to explore_projects_filter_path(visibility_level: nil) do
+        = link_to filter_projects_path(visibility_level: nil) do
           Any
       - Gitlab::VisibilityLevel.values.each do |level|
         %li{ class: (level.to_s == params[:visibility_level]) ? 'active' : 'light' }
-          = link_to explore_projects_filter_path(visibility_level: level) do
+          = link_to filter_projects_path(visibility_level: level) do
             = visibility_level_icon(level)
             = visibility_level_label(level)
 
@@ -30,11 +30,11 @@
       %b.caret
     %ul.dropdown-menu
       %li
-        = link_to explore_projects_filter_path(tag: nil) do
+        = link_to filter_projects_path(tag: nil) do
           Any
 
       - @tags.each do |tag|
         %li{ class: (tag.name == params[:tag]) ? 'active' : 'light' }
-          = link_to explore_projects_filter_path(tag: tag.name) do
-            %i.fa.fa-tag
+          = link_to filter_projects_path(tag: tag.name) do
+            = icon('tag')
             = tag.name
diff --git a/app/views/groups/_projects.html.haml b/app/views/groups/_projects.html.haml
index 794aa57b55a..7cd8e9bea46 100644
--- a/app/views/groups/_projects.html.haml
+++ b/app/views/groups/_projects.html.haml
@@ -3,9 +3,10 @@
     = form_tag request.original_url, method: :get, class: 'project-filter-form', id: 'project-filter-form' do |f|
       - if @projects.present?
         = search_field_tag :filter_projects, nil, placeholder: 'Filter by name', class: 'projects-list-filter form-control', spellcheck: false
-      - if can? current_user, :create_projects, @group
-        = link_to new_project_path(namespace_id: @group.id), class: 'btn btn-new pull-right' do
-          = icon('plus')
-          New Project
+    = render 'shared/projects/dropdown'
+    - if can? current_user, :create_projects, @group
+      = link_to new_project_path(namespace_id: @group.id), class: 'btn btn-new pull-right' do
+        = icon('plus')
+        New Project
 
 = render 'shared/projects/list', projects: @projects, stars: false, skip_namespace: true
diff --git a/app/views/groups/milestones/_issue.html.haml b/app/views/groups/milestones/_issue.html.haml
deleted file mode 100644
index 9b85d83d6d8..00000000000
--- a/app/views/groups/milestones/_issue.html.haml
+++ /dev/null
@@ -1,10 +0,0 @@
-%li{ id: dom_id(issue, 'sortable'), class: 'issue-row', 'data-iid' => issue.iid }
-  %span.milestone-row
-    - project = issue.project
-    %strong #{project.name} &middot;
-    = link_to [project.namespace.becomes(Namespace), project, issue] do
-      %span.cgray ##{issue.iid}
-    = link_to_gfm issue.title, [project.namespace.becomes(Namespace), project, issue], title: issue.title
-  .pull-right.assignee-icon
-    - if issue.assignee
-      = image_tag avatar_icon(issue.assignee, 16), class: "avatar s16", alt: ''
diff --git a/app/views/groups/milestones/_issues.html.haml b/app/views/groups/milestones/_issues.html.haml
deleted file mode 100644
index 9f350b772bd..00000000000
--- a/app/views/groups/milestones/_issues.html.haml
+++ /dev/null
@@ -1,6 +0,0 @@
-.panel.panel-default
-  .panel-heading= title
-  %ul{ class: "well-list issues-sortable-list" }
-    - if issues
-      - issues.each do |issue|
-        = render 'issue', issue: issue
diff --git a/app/views/groups/milestones/_merge_request.html.haml b/app/views/groups/milestones/_merge_request.html.haml
deleted file mode 100644
index e3aa4aad198..00000000000
--- a/app/views/groups/milestones/_merge_request.html.haml
+++ /dev/null
@@ -1,10 +0,0 @@
-%li{ id: dom_id(merge_request, 'sortable'),  class: 'mr-row', 'data-iid' => merge_request.iid }
-  %span.milestone-row
-    - project = merge_request.project
-    %strong #{project.name} &middot;
-    = link_to [project.namespace.becomes(Namespace), project, merge_request] do
-      %span.cgray ##{merge_request.iid}
-    = link_to_gfm merge_request.title, [project.namespace.becomes(Namespace), project, merge_request], title: merge_request.title
-  .pull-right.assignee-icon
-    - if merge_request.assignee
-      = image_tag avatar_icon(merge_request.assignee, 16), class: "avatar s16", alt: ''
diff --git a/app/views/groups/milestones/_merge_requests.html.haml b/app/views/groups/milestones/_merge_requests.html.haml
deleted file mode 100644
index 50057e2c636..00000000000
--- a/app/views/groups/milestones/_merge_requests.html.haml
+++ /dev/null
@@ -1,6 +0,0 @@
-.panel.panel-default
-  .panel-heading= title
-  %ul{ class: "well-list merge_requests-sortable-list" }
-    - if merge_requests
-      - merge_requests.each do |merge_request|
-        = render 'merge_request', merge_request: merge_request
diff --git a/app/views/groups/milestones/_milestone.html.haml b/app/views/groups/milestones/_milestone.html.haml
index a20bf75bc39..4c4e0a26728 100644
--- a/app/views/groups/milestones/_milestone.html.haml
+++ b/app/views/groups/milestones/_milestone.html.haml
@@ -1,29 +1,5 @@
-%li{class: "milestone milestone-#{milestone.closed? ? 'closed' : 'open'}", id: dom_id(milestone.milestones.first) }
-  .row
-    .col-sm-6
-      %strong
-        = link_to_gfm truncate(milestone.title, length: 100), group_milestone_path(@group, milestone.safe_title, title: milestone.title)
-    .col-sm-6
-      .pull-right.light #{milestone.percent_complete}% complete
-  .row
-    .col-sm-6
-      = link_to issues_group_path(@group, milestone_title: milestone.title) do
-        = pluralize milestone.issue_count, 'Issue'
-      &middot;
-      = link_to merge_requests_group_path(@group, milestone_title: milestone.title) do
-        = pluralize milestone.merge_requests_count, 'Merge Request'
-    .col-sm-6
-      = milestone_progress_bar(milestone)
-  .row
-    .col-sm-6
-      %div
-        - milestone.milestones.each do |milestone|
-          = link_to milestone_path(milestone) do
-            %span.label.label-gray
-              = milestone.project.name
-    .col-sm-6
-      - if can?(current_user, :admin_milestones, @group)
-        - if milestone.closed?
-          = link_to 'Reopen Milestone', group_milestone_path(@group, milestone.safe_title, title: milestone.title, milestone: {state_event: :activate }), method: :put, class: "btn btn-xs btn-grouped btn-reopen"
-        - else
-          = link_to 'Close Milestone', group_milestone_path(@group, milestone.safe_title, title: milestone.title, milestone: {state_event: :close }), method: :put, class: "btn btn-xs btn-close"
+= render 'shared/milestones/milestone',
+          milestone_path: group_milestone_path(@group, milestone.safe_title, title: milestone.title),
+          issues_path: issues_group_path(@group, milestone_title: milestone.title),
+          merge_requests_path: merge_requests_group_path(@group, milestone_title: milestone.title),
+          milestone: milestone
diff --git a/app/views/groups/milestones/show.html.haml b/app/views/groups/milestones/show.html.haml
index 1233da85524..fb6f0da28f8 100644
--- a/app/views/groups/milestones/show.html.haml
+++ b/app/views/groups/milestones/show.html.haml
@@ -1,112 +1,4 @@
-- page_title @milestone.title, "Milestones"
 = render "header_title"
-
-.detail-page-header
-  .status-box{ class: "status-box-#{@milestone.closed? ? 'closed' : 'open'}" }
-    - if @milestone.closed?
-      Closed
-    - else
-      Open
-  %span.identifier
-    Milestone #{@milestone.title}
-  .pull-right
-    - if can?(current_user, :admin_milestones, @group)
-      - if @milestone.active?
-        = link_to 'Close Milestone', group_milestone_path(@group, @milestone.safe_title, title: @milestone.title, milestone: {state_event: :close }), method: :put, class: "btn btn-grouped btn-close"
-      - else
-        = link_to 'Reopen Milestone', group_milestone_path(@group, @milestone.safe_title, title: @milestone.title, milestone: {state_event: :activate }), method: :put, class: "btn btn-grouped btn-reopen"
-
-.detail-page-description.gray-content-block.second-block
-  %h2.title
-    = markdown escape_once(@milestone.title), pipeline: :single_line
-
-- if @milestone.complete? && @milestone.active?
-  .alert.alert-success.prepend-top-default
-    %span All issues for this milestone are closed. You may close the milestone now.
-
-.table-holder
-  %table.table
-    %thead
-      %tr
-        %th Project
-        %th Open issues
-        %th State
-        %th Due date
-    - @milestone.milestones.each do |milestone|
-      %tr
-        %td
-          = link_to "#{milestone.project.name}", namespace_project_milestone_path(milestone.project.namespace, milestone.project, milestone)
-        %td
-          = milestone.issues.opened.count
-        %td
-          - if milestone.closed?
-            Closed
-          - else
-            Open
-        %td
-          = milestone.expires_at
-
-.context
-  %p.lead
-    Progress:
-    #{@milestone.closed_items_count} closed
-    &ndash;
-    #{@milestone.open_items_count} open
-  = milestone_progress_bar(@milestone)
-
-%ul.nav-links.no-top.no-bottom
-  %li.active
-    = link_to '#tab-issues', 'data-toggle' => 'tab' do
-      Issues
-      %span.badge= @milestone.issue_count
-  %li
-    = link_to '#tab-merge-requests', 'data-toggle' => 'tab' do
-      Merge Requests
-      %span.badge= @milestone.merge_requests_count
-  %li
-    = link_to '#tab-participants', 'data-toggle' => 'tab' do
-      Participants
-      %span.badge= @milestone.participants.count
-
-.tab-content
-  .tab-pane.active#tab-issues
-    .gray-content-block.middle-block
-      .pull-right
-        = link_to 'Browse Issues', issues_group_path(@group, milestone_title: @milestone.title), class: "btn btn-grouped"
-
-      .oneline
-        All issues in this milestone
-
-    .row.prepend-top-default
-      .col-md-6
-        = render 'issues', title: "Open", issues: @milestone.opened_issues
-      .col-md-6
-        = render 'issues', title: "Closed", issues: @milestone.closed_issues
-
-  .tab-pane#tab-merge-requests
-    .gray-content-block.middle-block
-      .pull-right
-        = link_to 'Browse Merge Requests', merge_requests_group_path(@group, milestone_title: @milestone.title), class: "btn btn-grouped"
-
-      .oneline
-        All merge requests in this milestone
-
-    .row.prepend-top-default
-      .col-md-6
-        = render 'merge_requests', title: "Open", merge_requests: @milestone.opened_merge_requests
-      .col-md-6
-        = render 'merge_requests', title: "Closed", merge_requests: @milestone.closed_merge_requests
-
-  .tab-pane#tab-participants
-    .gray-content-block.middle-block
-      .oneline
-        All participants to this milestone
-
-    %ul.bordered-list
-      - @milestone.participants.each do |user|
-        %li
-          = link_to user, title: user.name, class: "darken" do
-            = image_tag avatar_icon(user, 32), class: "avatar s32"
-            %strong= truncate(user.name, lenght: 40)
-            %br
-            %small.cgray= user.username
+= render 'shared/milestones/top', milestone: @milestone, group: @group
+= render 'shared/milestones/summary', milestone: @milestone
+= render 'shared/milestones/tabs', milestone: @milestone, show_project_name: true
diff --git a/app/views/projects/blob/_image.html.haml b/app/views/projects/blob/_image.html.haml
index 3c11b97921f..18caddabd39 100644
--- a/app/views/projects/blob/_image.html.haml
+++ b/app/views/projects/blob/_image.html.haml
@@ -6,4 +6,4 @@
     - blob = sanitize_svg(blob)
     %img{src: "data:#{blob.mime_type};base64,#{Base64.encode64(blob.data)}"}
   - else
-    %img{src: namespace_project_raw_path(@project.namespace, @project, @id)}
+    %img{src: namespace_project_raw_path(@project.namespace, @project, tree_join(@commit.id, blob.path))}
diff --git a/app/views/projects/branches/destroy.js.haml b/app/views/projects/branches/destroy.js.haml
index 882a4d0c5e2..a21ddaf4930 100644
--- a/app/views/projects/branches/destroy.js.haml
+++ b/app/views/projects/branches/destroy.js.haml
@@ -1 +1 @@
-$('.js-totalbranch-count').html("#{@repository.branches.size}")
+$('.js-totalbranch-count').html("#{@repository.branch_count}")
diff --git a/app/views/projects/commits/_commit_list.html.haml b/app/views/projects/commits/_commit_list.html.haml
index ce60fbdf032..bac9e244d36 100644
--- a/app/views/projects/commits/_commit_list.html.haml
+++ b/app/views/projects/commits/_commit_list.html.haml
@@ -1,11 +1,14 @@
+- commits, hidden = limited_commits(@commits)
+- commits = Commit.decorate(commits, @project)
+
 %div.panel.panel-default
   .panel-heading
     Commits (#{@commits.count})
-  - if @commits.size > MergeRequestDiff::COMMITS_SAFE_SIZE
+  - if hidden > 0
     %ul.well-list
-      - Commit.decorate(@commits.first(MergeRequestDiff::COMMITS_SAFE_SIZE), @project).each do |commit|
+      - commits.each do |commit|
         = render "projects/commits/inline_commit", commit: commit, project: @project
       %li.warning-row.unstyled
-        other #{@commits.size - MergeRequestDiff::COMMITS_SAFE_SIZE} commits hidden to prevent performance issues.
+        #{number_with_delimiter(hidden)} additional commits have been omitted to prevent performance issues.
   - else
-    %ul.well-list= render Commit.decorate(@commits, @project), project: @project
+    %ul.well-list= render commits, project: @project
diff --git a/app/views/projects/commits/_commits.html.haml b/app/views/projects/commits/_commits.html.haml
index 6c631228002..a7e3c2478c2 100644
--- a/app/views/projects/commits/_commits.html.haml
+++ b/app/views/projects/commits/_commits.html.haml
@@ -1,7 +1,9 @@
 - unless defined?(project)
   - project = @project
 
-- @commits.group_by { |c| c.committed_date.to_date }.sort.reverse.each do |day, commits|
+- commits, hidden = limited_commits(@commits)
+
+- commits.group_by { |c| c.committed_date.to_date }.sort.reverse.each do |day, commits|
   .row.commits-row
     .col-md-2.hidden-xs.hidden-sm
       %h5.commits-row-date
@@ -13,3 +15,7 @@
       %ul.bordered-list
         = render commits, project: project
   %hr.lists-separator
+
+- if hidden > 0
+  .alert.alert-warning
+    #{number_with_delimiter(hidden)} additional commits have been omitted to prevent performance issues.
diff --git a/app/views/projects/commits/_head.html.haml b/app/views/projects/commits/_head.html.haml
index 498c5e05b32..7a5b0d993db 100644
--- a/app/views/projects/commits/_head.html.haml
+++ b/app/views/projects/commits/_head.html.haml
@@ -15,9 +15,9 @@
   = nav_link(html_options: {class: branches_tab_class}) do
     = link_to namespace_project_branches_path(@project.namespace, @project) do
       Branches
-      %span.badge.js-totalbranch-count= @repository.branches.size
+      %span.badge.js-totalbranch-count= @repository.branch_count
 
   = nav_link(controller: [:tags, :releases]) do
     = link_to namespace_project_tags_path(@project.namespace, @project) do
       Tags
-      %span.badge.js-totaltags-count= @repository.tags.length
+      %span.badge.js-totaltags-count= @repository.tag_count
diff --git a/app/views/projects/merge_requests/_show.html.haml b/app/views/projects/merge_requests/_show.html.haml
index 7b5e2991c09..b262892ac65 100644
--- a/app/views/projects/merge_requests/_show.html.haml
+++ b/app/views/projects/merge_requests/_show.html.haml
@@ -34,6 +34,8 @@
         %span into
         = link_to namespace_project_commits_path(@project.namespace, @project, @merge_request.target_branch), class: "label-branch" do
           = @merge_request.target_branch
+        - if @merge_request.open? && @merge_request.diverged_from_target_branch?
+          %span (#{pluralize(@merge_request.diverged_commits_count, 'commit')} behind)
 
     = render "projects/merge_requests/show/how_to_merge"
     = render "projects/merge_requests/widget/show.html.haml"
diff --git a/app/views/projects/milestones/_issue.html.haml b/app/views/projects/milestones/_issue.html.haml
deleted file mode 100644
index ca51b8c745d..00000000000
--- a/app/views/projects/milestones/_issue.html.haml
+++ /dev/null
@@ -1,10 +0,0 @@
-%li{ id: dom_id(issue, 'sortable'), class: 'issue-row', 'data-iid' => issue.iid, 'data-url' => issue_path(issue) }
-  %span
-    = link_to_gfm issue.title, [@project.namespace.becomes(Namespace), @project, issue], title: issue.title
-  .issue-detail
-    = link_to [@project.namespace.becomes(Namespace), @project, issue] do
-      %span.issue-number ##{issue.iid}
-    - issue.labels.each do |label|
-      = render_colored_label(label)
-    - if issue.assignee
-      = image_tag avatar_icon(issue.assignee, 16), class: "avatar s24", alt: ''
diff --git a/app/views/projects/milestones/_issues.html.haml b/app/views/projects/milestones/_issues.html.haml
deleted file mode 100644
index 6f8a341e478..00000000000
--- a/app/views/projects/milestones/_issues.html.haml
+++ /dev/null
@@ -1,7 +0,0 @@
-.panel.panel-default
-  .panel-heading
-    = title
-    .pull-right= issues.size
-  %ul{ class: "well-list issues-sortable-list", id: "issues-list-#{id}", "data-state" => id }
-    - issues.sort_by(&:position).each do |issue|
-      = render 'issue', issue: issue
diff --git a/app/views/projects/milestones/_merge_request.html.haml b/app/views/projects/milestones/_merge_request.html.haml
deleted file mode 100644
index a1033607c5d..00000000000
--- a/app/views/projects/milestones/_merge_request.html.haml
+++ /dev/null
@@ -1,8 +0,0 @@
-%li{ id: dom_id(merge_request, 'sortable'),  class: 'mr-row', 'data-iid' => merge_request.iid, 'data-url' => merge_request_path(merge_request) }
-  %span.str-truncated
-    = link_to [@project.namespace.becomes(Namespace), @project, merge_request] do
-      %span.cgray ##{merge_request.iid}
-    = link_to_gfm merge_request.title, [@project.namespace.becomes(Namespace), @project, merge_request], title: merge_request.title
-  .pull-right.assignee-icon
-    - if merge_request.assignee
-      = image_tag avatar_icon(merge_request.assignee, 16), class: "avatar s16", alt: ''
diff --git a/app/views/projects/milestones/_merge_requests.html.haml b/app/views/projects/milestones/_merge_requests.html.haml
deleted file mode 100644
index 9a5a02af215..00000000000
--- a/app/views/projects/milestones/_merge_requests.html.haml
+++ /dev/null
@@ -1,5 +0,0 @@
-.panel.panel-default
-  .panel-heading= title
-  %ul{ class: "well-list merge_requests-sortable-list", id: "merge_requests-list-#{id}", "data-state" => id }
-    - merge_requests.sort_by(&:position).each do |merge_request|
-      = render 'merge_request', merge_request: merge_request
diff --git a/app/views/projects/milestones/_milestone.html.haml b/app/views/projects/milestones/_milestone.html.haml
index 67d95ab0364..77b566db6b6 100644
--- a/app/views/projects/milestones/_milestone.html.haml
+++ b/app/views/projects/milestones/_milestone.html.haml
@@ -1,31 +1,5 @@
-%li{class: "milestone milestone-#{milestone.closed? ? 'closed' : 'open'}", id: dom_id(milestone) }
-  .row
-    .col-sm-6
-      %strong
-        = link_to_gfm truncate(milestone.title, length: 100), namespace_project_milestone_path(milestone.project.namespace, milestone.project, milestone)
-
-    .col-sm-6
-      .pull-right.light #{milestone.percent_complete}% complete
-  .row
-    .col-sm-6
-      = link_to namespace_project_issues_path(milestone.project.namespace, milestone.project, milestone_title: milestone.title) do
-        = pluralize milestone.issues.count, 'Issue'
-      &middot;
-      = link_to namespace_project_merge_requests_path(milestone.project.namespace, milestone.project, milestone_title: milestone.title) do
-        = pluralize milestone.merge_requests.count, 'Merge Request'
-    .col-sm-6
-      = milestone_progress_bar(milestone)
-
-  .row
-    .col-sm-6
-      = render 'shared/milestone_expired', milestone: milestone
-    .col-sm-6
-      - if can?(current_user, :admin_milestone, milestone.project) and milestone.active?
-        = link_to edit_namespace_project_milestone_path(milestone.project.namespace, milestone.project, milestone), class: "btn btn-xs" do
-          = icon('pencil-square-o')
-          Edit
-        \
-        = link_to 'Close Milestone', namespace_project_milestone_path(@project.namespace, @project, milestone, milestone: {state_event: :close }), method: :put, remote: true, class: "btn btn-xs btn-close"
-        = link_to namespace_project_milestone_path(milestone.project.namespace, milestone.project, milestone), data: { confirm: 'Are you sure?' }, method: :delete, class: "btn btn-xs btn-remove" do
-          = icon('trash-o')
-          Delete
+= render 'shared/milestones/milestone',
+          milestone_path: namespace_project_milestone_path(milestone.project.namespace, milestone.project, milestone),
+          issues_path: namespace_project_issues_path(milestone.project.namespace, milestone.project, milestone_title: milestone.title),
+          merge_requests_path: namespace_project_merge_requests_path(milestone.project.namespace, milestone.project, milestone_title: milestone.title),
+          milestone: milestone
diff --git a/app/views/projects/milestones/show.html.haml b/app/views/projects/milestones/show.html.haml
index 2cae1ac4e2c..b4597043a27 100644
--- a/app/views/projects/milestones/show.html.haml
+++ b/app/views/projects/milestones/show.html.haml
@@ -42,102 +42,9 @@
           = preserve do
             = markdown @milestone.description
 
-- if @milestone.issues.any? && @milestone.can_be_closed?
+- if @milestone.complete? && @milestone.active?
   .alert.alert-success.prepend-top-default
     %span All issues for this milestone are closed. You may close milestone now.
 
-.context.prepend-top-default
-  .milestone-summary
-    %h4 Progress
-    %strong= @milestone.issues.count
-    issues:
-    %span.milestone-stat
-      %strong= @milestone.open_items_count
-      open and
-      %strong= @milestone.closed_items_count
-      closed
-    %span.milestone-stat
-      %strong== #{@milestone.percent_complete}%
-      complete
-    %span.milestone-stat
-      %span.remaining-days= milestone_remaining_days(@milestone)
-    %span.pull-right.tab-issues-buttons
-      - if can?(current_user, :create_issue, @project)
-        = link_to new_namespace_project_issue_path(@project.namespace, @project, issue: { milestone_id: @milestone.id }), class: "btn  btn-grouped", title: "New Issue" do
-          %i.fa.fa-plus
-          New Issue
-      - if can?(current_user, :read_issue, @project)
-        = link_to 'Browse Issues', namespace_project_issues_path(@milestone.project.namespace, @milestone.project, milestone_title: @milestone.title), class: "btn btn-grouped"
-    %span.pull-right.tab-merge-requests-buttons.hidden
-      - if can?(current_user, :read_merge_request, @project)
-        = link_to 'Browse Merge Requests', namespace_project_merge_requests_path(@milestone.project.namespace, @milestone.project, milestone_title: @milestone.title), class: "btn btn-grouped"
-
-  = milestone_progress_bar(@milestone)
-
-%ul.nav-links.no-top.no-bottom
-  %li.active
-    = link_to '#tab-issues', 'data-toggle' => 'tab', 'data-show' => '.tab-issues-buttons' do
-      Issues
-      %span.badge= @issues.count
-  %li
-    = link_to '#tab-merge-requests', 'data-toggle' => 'tab', 'data-show' => '.tab-merge-requests-buttons' do
-      Merge Requests
-      %span.badge= @merge_requests.count
-  %li
-    = link_to '#tab-participants', 'data-toggle' => 'tab' do
-      Participants
-      %span.badge= @users.count
-  %li
-    = link_to '#tab-labels', 'data-toggle' => 'tab', 'data-show' => '.tab-issues-buttons' do
-      Labels
-      %span.badge= @labels.count
-
-.tab-content.milestone-content
-  .tab-pane.active#tab-issues
-    .row.prepend-top-default
-      .col-md-4
-        = render('issues', title: 'Unstarted Issues (open and unassigned)', issues: @issues.opened.unassigned, id: 'unassigned')
-      .col-md-4
-        = render('issues', title: 'Ongoing Issues (open and assigned)', issues: @issues.opened.assigned, id: 'ongoing')
-      .col-md-4
-        = render('issues', title: 'Completed Issues (closed)', issues: @issues.closed, id: 'closed')
-
-  .tab-pane#tab-merge-requests
-    .row.prepend-top-default
-      .col-md-3
-        = render('merge_requests', title: 'Work in progress (open and unassigned)', merge_requests: @merge_requests.opened.unassigned, id: 'unassigned')
-      .col-md-3
-        = render('merge_requests', title: 'Waiting for merge (open and assigned)', merge_requests: @merge_requests.opened.assigned, id: 'ongoing')
-      .col-md-3
-        = render('merge_requests', title: 'Rejected (closed)', merge_requests: @merge_requests.closed, id: 'closed')
-      .col-md-3
-        .panel.panel-primary
-          .panel-heading Merged
-          %ul.well-list
-            - @merge_requests.merged.each do |merge_request|
-              = render 'merge_request', merge_request: merge_request
-
-  .tab-pane#tab-participants
-    %ul.bordered-list
-      - @users.each do |user|
-        %li
-          = link_to user, title: user.name, class: "darken" do
-            = image_tag avatar_icon(user, 32), class: "avatar s32"
-            %strong= truncate(user.name, lenght: 40)
-            %br
-            %small.cgray= user.username
-
-  .tab-pane#tab-labels
-    %ul.bordered-list.manage-labels-list
-      - @labels.each do |label|
-        %li
-          = render_colored_label(label)
-          - args = [@milestone.project.namespace, @milestone.project, milestone_title: @milestone.title, label_name: label.title]
-          - options = args.extract_options!
-
-          %span.issues-count
-            = link_to namespace_project_issues_path(*args, options.merge(state: 'opened')) do
-              = pluralize label.open_issues_count, 'open issue'
-          %span.issues-count
-            = link_to namespace_project_issues_path(*args, options.merge(state: 'closed')) do
-              = pluralize label.closed_issues_count, 'closed issue'
+= render 'shared/milestones/summary', milestone: @milestone, project: @project
+= render 'shared/milestones/tabs', milestone: @milestone
diff --git a/app/views/shared/milestones/_issuable.html.haml b/app/views/shared/milestones/_issuable.html.haml
new file mode 100644
index 00000000000..f7c6fc14adf
--- /dev/null
+++ b/app/views/shared/milestones/_issuable.html.haml
@@ -0,0 +1,25 @@
+-# @project is present when viewing Project's milestone
+- project = @project || issuable.project
+- assignee = issuable.assignee
+- issuable_type = issuable.class.table_name
+- base_url_args = [project.namespace.becomes(Namespace), project, issuable_type]
+
+%li{ id: dom_id(issuable, 'sortable'),  class: "issuable-row", 'data-iid' => issuable.iid, 'data-url' => polymorphic_path(issuable) }
+  %span
+    - if show_project_name
+      %strong #{project.name} &middot;
+    - elsif show_full_project_name
+      %strong #{project.name_with_namespace} &middot;
+    = link_to_gfm issuable.title, [project.namespace.becomes(Namespace), project, issuable], title: issuable.title
+  %div{class: 'issuable-detail'}
+    = link_to [project.namespace.becomes(Namespace), project, issuable] do
+      %span{ class: 'issuable-number' }>= issuable.to_reference
+
+    - issuable.labels.each do |label|
+      = link_to polymorphic_path(base_url_args, { milestone_title: @milestone.title, label_name: label.title, state: 'all' }) do
+        - render_colored_label(label)
+
+    - if assignee
+      = link_to polymorphic_path(base_url_args, { milestone_title: @milestone.title, assignee_id: issuable.assignee_id, state: 'all' }),
+                class: 'has_tooltip', data: { 'original-title' => "Assigned to #{sanitize(assignee.name)}", container: 'body' } do
+        - image_tag(avatar_icon(issuable.assignee, 16), class: "avatar s16", alt: '')
diff --git a/app/views/shared/milestones/_issuables.html.haml b/app/views/shared/milestones/_issuables.html.haml
new file mode 100644
index 00000000000..8619939dde7
--- /dev/null
+++ b/app/views/shared/milestones/_issuables.html.haml
@@ -0,0 +1,16 @@
+- show_counter = local_assigns.fetch(:show_counter, false)
+- primary = local_assigns.fetch(:primary, false)
+- panel_class = primary ? 'panel-primary' : 'panel-default'
+
+.panel{ class: panel_class }
+  .panel-heading
+    = title
+    - if show_counter
+      .pull-right= issuables.size
+
+  - class_prefix = dom_class(issuables).pluralize
+  %ul{ class: "well-list #{class_prefix}-sortable-list", id: "#{class_prefix}-list-#{id}", "data-state" => id }
+    = render partial: 'shared/milestones/issuable',
+             collection: issuables.sort_by(&:position),
+             as: :issuable,
+             locals: { show_project_name: show_project_name, show_full_project_name: show_full_project_name }
diff --git a/app/views/shared/milestones/_issues_tab.html.haml b/app/views/shared/milestones/_issues_tab.html.haml
new file mode 100644
index 00000000000..a8db7f8a556
--- /dev/null
+++ b/app/views/shared/milestones/_issues_tab.html.haml
@@ -0,0 +1,10 @@
+- args = { show_project_name: local_assigns.fetch(:show_project_name, false),
+           show_full_project_name: local_assigns.fetch(:show_full_project_name, false) }
+
+.row.prepend-top-default
+  .col-md-4
+    = render 'shared/milestones/issuables', args.merge(title: 'Unstarted Issues (open and unassigned)', issuables: issues.opened.unassigned, id: 'unassigned', show_counter: true)
+  .col-md-4
+    = render 'shared/milestones/issuables', args.merge(title: 'Ongoing Issues (open and assigned)', issuables: issues.opened.assigned, id: 'ongoing', show_counter: true)
+  .col-md-4
+    = render 'shared/milestones/issuables', args.merge(title: 'Completed Issues (closed)', issuables: issues.closed, id: 'closed', show_counter: true)
diff --git a/app/views/shared/milestones/_labels_tab.html.haml b/app/views/shared/milestones/_labels_tab.html.haml
new file mode 100644
index 00000000000..ba27bafd1bc
--- /dev/null
+++ b/app/views/shared/milestones/_labels_tab.html.haml
@@ -0,0 +1,18 @@
+%ul.bordered-list.manage-labels-list
+  - labels.each do |label|
+    - options = { milestone_title: @milestone.title, label_name: label.title }
+
+    %li
+      %span.label-row
+        = link_to milestones_label_path(options) do
+          - render_colored_label(label)
+        %span.prepend-left-10
+          = markdown(label.description, pipeline: :single_line)
+
+      .pull-right
+        %strong.issues-count
+          = link_to milestones_label_path(options.merge(state: 'opened')) do
+            - pluralize milestone_issues_by_label_count(@milestone, label, state: :opened), 'open issue'
+        %strong.issues-count
+          = link_to milestones_label_path(options.merge(state: 'closed')) do
+            - pluralize milestone_issues_by_label_count(@milestone, label, state: :closed), 'closed issue'
diff --git a/app/views/shared/milestones/_merge_requests_tab.haml b/app/views/shared/milestones/_merge_requests_tab.haml
new file mode 100644
index 00000000000..c29d8ee6737
--- /dev/null
+++ b/app/views/shared/milestones/_merge_requests_tab.haml
@@ -0,0 +1,12 @@
+- args = { show_project_name: local_assigns.fetch(:show_project_name, false),
+           show_full_project_name: local_assigns.fetch(:show_full_project_name, false) }
+
+.row.prepend-top-default
+  .col-md-3
+    = render 'shared/milestones/issuables', args.merge(title: 'Work in progress (open and unassigned)', issuables: merge_requests.opened.unassigned, id: 'unassigned')
+  .col-md-3
+    = render 'shared/milestones/issuables', args.merge(title: 'Waiting for merge (open and assigned)', issuables: merge_requests.opened.assigned, id: 'ongoing')
+  .col-md-3
+    = render 'shared/milestones/issuables', args.merge(title: 'Rejected (closed)', issuables: merge_requests.closed, id: 'closed')
+  .col-md-3
+    = render 'shared/milestones/issuables', args.merge(title: 'Merged', issuables: merge_requests.merged, id: 'merged', primary: true)
diff --git a/app/views/shared/milestones/_milestone.html.haml b/app/views/shared/milestones/_milestone.html.haml
new file mode 100644
index 00000000000..f01138af3f0
--- /dev/null
+++ b/app/views/shared/milestones/_milestone.html.haml
@@ -0,0 +1,45 @@
+- dashboard = local_assigns[:dashboard]
+- custom_dom_id = dom_id(@project ? milestone : milestone.milestones.first)
+
+%li{class: "milestone milestone-#{milestone.closed? ? 'closed' : 'open'}", id: custom_dom_id }
+  .row
+    .col-sm-6
+      %strong= link_to_gfm truncate(milestone.title, length: 100), milestone_path
+    .col-sm-6
+      .pull-right.light #{milestone.percent_complete}% complete
+  .row
+    .col-sm-6
+      = link_to pluralize(milestone.issues.size, 'Issue'), issues_path
+      &middot;
+      = link_to pluralize(milestone.merge_requests.size, 'Merge Request'), merge_requests_path
+    .col-sm-6= milestone_progress_bar(milestone)
+  - if milestone.is_a?(GlobalMilestone)
+    .row
+      .col-sm-6
+        .expiration= render('shared/milestone_expired', milestone: milestone)
+        .projects
+          - milestone.milestones.each do |milestone|
+            = link_to milestone_path(milestone) do
+              %span.label.label-gray
+                = dashboard ? milestone.project.name_with_namespace : milestone.project.name
+      - if @group
+        .col-sm-6
+          - if can?(current_user, :admin_milestones, @group)
+            - if milestone.closed?
+              = link_to 'Reopen Milestone', group_milestone_path(@group, milestone.safe_title, title: milestone.title, milestone: {state_event: :activate }), method: :put, class: "btn btn-xs btn-grouped btn-reopen"
+            - else
+              = link_to 'Close Milestone', group_milestone_path(@group, milestone.safe_title, title: milestone.title, milestone: {state_event: :close }), method: :put, class: "btn btn-xs btn-close"
+
+  - if @project
+    .row
+      .col-sm-6= render('shared/milestone_expired', milestone: milestone)
+      .col-sm-6
+        - if can?(current_user, :admin_milestone, milestone.project) and milestone.active?
+          = link_to edit_namespace_project_milestone_path(milestone.project.namespace, milestone.project, milestone), class: "btn btn-xs" do
+            = icon('pencil-square-o')
+            Edit
+          \
+          = link_to 'Close Milestone', namespace_project_milestone_path(@project.namespace, @project, milestone, milestone: {state_event: :close }), method: :put, remote: true, class: "btn btn-xs btn-close"
+          = link_to namespace_project_milestone_path(milestone.project.namespace, milestone.project, milestone), data: { confirm: 'Are you sure?' }, method: :delete, class: "btn btn-xs btn-remove" do
+            = icon('trash-o')
+            Delete
diff --git a/app/views/shared/milestones/_participants_tab.html.haml b/app/views/shared/milestones/_participants_tab.html.haml
new file mode 100644
index 00000000000..67ae85ac276
--- /dev/null
+++ b/app/views/shared/milestones/_participants_tab.html.haml
@@ -0,0 +1,8 @@
+%ul.bordered-list
+  - users.each do |user|
+    %li
+      = link_to user, title: user.name, class: "darken" do
+        = image_tag avatar_icon(user, 32), class: "avatar s32"
+        %strong= truncate(user.name, lenght: 40)
+        %br
+        %small.cgray= user.username
diff --git a/app/views/shared/milestones/_summary.html.haml b/app/views/shared/milestones/_summary.html.haml
new file mode 100644
index 00000000000..59d4ae29f79
--- /dev/null
+++ b/app/views/shared/milestones/_summary.html.haml
@@ -0,0 +1,28 @@
+- project = local_assigns[:project]
+
+.context.prepend-top-default
+  .milestone-summary
+    %h4 Progress
+    %strong= milestone.issues.size
+    issues:
+    %span.milestone-stat
+      %strong= milestone.issues.opened.size
+      open and
+      %strong= milestone.issues.closed.size
+      closed
+    %span.milestone-stat
+      %strong== #{milestone.percent_complete}%
+      complete
+
+    %span.milestone-stat
+      %span.remaining-days= milestone_remaining_days(milestone)
+    %span.pull-right.tab-issues-buttons
+      - if project && can?(current_user, :create_issue, project)
+        = link_to new_namespace_project_issue_path(project.namespace, project, issue: { milestone_id: milestone.id }), class: "btn  btn-grouped", title: "New Issue" do
+          %i.fa.fa-plus
+          New Issue
+      = link_to 'Browse Issues', milestones_browse_issuables_path(milestone, type: :issues), class: "btn btn-grouped"
+    %span.pull-right.tab-merge-requests-buttons.hidden
+      = link_to 'Browse Merge Requests', milestones_browse_issuables_path(milestone, type: :merge_requests), class: "btn btn-grouped"
+
+  = milestone_progress_bar(milestone)
diff --git a/app/views/shared/milestones/_tabs.html.haml b/app/views/shared/milestones/_tabs.html.haml
new file mode 100644
index 00000000000..57d7ee85a3b
--- /dev/null
+++ b/app/views/shared/milestones/_tabs.html.haml
@@ -0,0 +1,30 @@
+%ul.nav-links.no-top.no-bottom
+  %li.active
+    = link_to '#tab-issues', 'data-toggle' => 'tab', 'data-show' => '.tab-issues-buttons' do
+      Issues
+      %span.badge= milestone.issues.size
+  %li
+    = link_to '#tab-merge-requests', 'data-toggle' => 'tab', 'data-show' => '.tab-merge-requests-buttons' do
+      Merge Requests
+      %span.badge= milestone.merge_requests.size
+  %li
+    = link_to '#tab-participants', 'data-toggle' => 'tab' do
+      Participants
+      %span.badge= milestone.participants.count
+  %li
+    = link_to '#tab-labels', 'data-toggle' => 'tab' do
+      Labels
+      %span.badge= milestone.labels.count
+
+- show_project_name = local_assigns.fetch(:show_project_name, false)
+- show_full_project_name = local_assigns.fetch(:show_full_project_name, false)
+
+.tab-content.milestone-content
+  .tab-pane.active#tab-issues
+    = render 'shared/milestones/issues_tab', issues: milestone.issues, show_project_name: show_project_name, show_full_project_name: show_full_project_name
+  .tab-pane#tab-merge-requests
+    = render 'shared/milestones/merge_requests_tab', merge_requests: milestone.merge_requests, show_project_name: show_project_name, show_full_project_name: show_full_project_name
+  .tab-pane#tab-participants
+    = render 'shared/milestones/participants_tab', users: milestone.participants
+  .tab-pane#tab-labels
+    = render 'shared/milestones/labels_tab', labels: milestone.labels
diff --git a/app/views/shared/milestones/_top.html.haml b/app/views/shared/milestones/_top.html.haml
new file mode 100644
index 00000000000..4cf1d948b5b
--- /dev/null
+++ b/app/views/shared/milestones/_top.html.haml
@@ -0,0 +1,58 @@
+- page_title milestone.title, "Milestones"
+
+- group = local_assigns[:group]
+
+.detail-page-header
+  .status-box{ class: "status-box-#{milestone.closed? ? 'closed' : 'open'}" }
+    - if milestone.closed?
+      Closed
+    - elsif milestone.expired?
+      Expired
+    - else
+      Open
+  %span.identifier
+    Milestone #{milestone.title}
+  - if milestone.expires_at
+    %span.creator
+      &middot;
+      = milestone.expires_at
+  - if group
+    .pull-right
+      - if can?(current_user, :admin_milestones, group)
+        - if milestone.active?
+          = link_to 'Close Milestone', group_milestone_path(group, milestone.safe_title, title: milestone.title, milestone: {state_event: :close }), method: :put, class: "btn btn-grouped btn-close"
+        - else
+          = link_to 'Reopen Milestone', group_milestone_path(group, milestone.safe_title, title: milestone.title, milestone: {state_event: :activate }), method: :put, class: "btn btn-grouped btn-reopen"
+
+.detail-page-description.gray-content-block.second-block
+  %h2.title
+    = markdown escape_once(milestone.title), pipeline: :single_line
+
+- if milestone.complete? && milestone.active?
+  .alert.alert-success.prepend-top-default
+    - close_msg = group ? 'You may close the milestone now.' : 'Navigate to the project to close the milestone.'
+    %span All issues for this milestone are closed. #{close_msg}
+
+.table-holder
+  %table.table
+    %thead
+      %tr
+        %th Project
+        %th Open issues
+        %th State
+        %th Due date
+    - milestone.milestones.each do |ms|
+      %tr
+        %td
+          - project_name = group ? ms.project.name : ms.project.name_with_namespace
+          = link_to project_name, namespace_project_milestone_path(ms.project.namespace, ms.project, ms)
+        %td
+          = ms.issues.opened.count
+        %td
+          - if ms.closed?
+            Closed
+          - else
+            Open
+        %td
+          = ms.expires_at
+
diff --git a/app/views/shared/projects/_dropdown.html.haml b/app/views/shared/projects/_dropdown.html.haml
new file mode 100644
index 00000000000..e7e04621ff4
--- /dev/null
+++ b/app/views/shared/projects/_dropdown.html.haml
@@ -0,0 +1,22 @@
+- @sort ||= sort_value_recently_updated
+- archived = params[:archived]
+.dropdown.inline
+  %button.dropdown-toggle.btn{type: 'button', 'data-toggle' => 'dropdown'}
+    %span.light
+      = projects_sort_options_hash[@sort]
+    %b.caret
+  %ul.dropdown-menu.dropdown-menu-align-right.dropdown-menu-selectable
+    %li.dropdown-header
+      Sort by
+    - projects_sort_options_hash.each do |value, title|
+      %li
+        = link_to filter_projects_path(sort: value, archived: archived), class: ("is-active" if @sort == value) do
+          = title
+
+    %li.divider
+    %li
+      = link_to filter_projects_path(sort: @sort, archived: nil), class: ("is-active" unless params[:archived].present?) do
+        Hide archived projects
+    %li
+      = link_to filter_projects_path(sort: @sort, archived: true), class: ("is-active" if params[:archived].present?) do
+        Show archived projects
diff --git a/app/views/shared/projects/_project.html.haml b/app/views/shared/projects/_project.html.haml
index 99e48e86e38..97cfb76cdb0 100644
--- a/app/views/shared/projects/_project.html.haml
+++ b/app/views/shared/projects/_project.html.haml
@@ -28,6 +28,9 @@
           = project.name
 
     .controls
+      - if project.main_language
+        %span
+          = project.main_language
       - if ci_commit
         %span
           = render_ci_status(ci_commit)