Merge branch 'master' into new-resolvable-discussion

# Conflicts:
#	app/assets/javascripts/filtered_search/dropdown_hint.js
#	app/views/shared/issuable/_search_bar.html.haml

113 files changed, 1806 insertions, 656 deletions

diff --git a/app/assets/javascripts/awards_handler.js b/app/assets/javascripts/awards_handler.js
index 4f63c7988f5..67106e85a37 100644
--- a/app/assets/javascripts/awards_handler.js
+++ b/app/assets/javascripts/awards_handler.js
@@ -263,7 +263,8 @@ AwardsHandler.prototype.addAward = function addAward(
     this.addAwardToEmojiBar(votesBlock, normalizedEmoji, checkMutuality);
     return typeof callback === 'function' ? callback() : undefined;
   });
-  return $('.emoji-menu').removeClass('is-visible');
+  $('.emoji-menu').removeClass('is-visible');
+  $('.js-add-award.is-active').removeClass('is-active');
 };
 
 AwardsHandler.prototype.addAwardToEmojiBar = function addAwardToEmojiBar(
diff --git a/app/assets/javascripts/blob/blob_fork_suggestion.js b/app/assets/javascripts/blob/blob_fork_suggestion.js
new file mode 100644
index 00000000000..aa9a4e1c99a
--- /dev/null
+++ b/app/assets/javascripts/blob/blob_fork_suggestion.js
@@ -0,0 +1,15 @@
+function BlobForkSuggestion(openButton, cancelButton, suggestionSection) {
+  if (openButton) {
+    openButton.addEventListener('click', () => {
+      suggestionSection.classList.remove('hidden');
+    });
+  }
+
+  if (cancelButton) {
+    cancelButton.addEventListener('click', () => {
+      suggestionSection.classList.add('hidden');
+    });
+  }
+}
+
+export default BlobForkSuggestion;
diff --git a/app/assets/javascripts/build.js b/app/assets/javascripts/build.js
index fe54ecffdfe..7cb022c848a 100644
--- a/app/assets/javascripts/build.js
+++ b/app/assets/javascripts/build.js
@@ -84,10 +84,10 @@ window.Build = (function() {
     var removeRefreshStatuses = ['success', 'failed', 'canceled', 'skipped'];
 
     return $.ajax({
-      url: this.buildUrl,
+      url: this.pageUrl + "/trace.json",
       dataType: 'json',
       success: function(buildData) {
-        $('.js-build-output').html(buildData.trace_html);
+        $('.js-build-output').html(buildData.html);
         gl.utils.setCiStatusFavicon(`${this.pageUrl}/status.json`);
         if (window.location.hash === DOWN_BUILD_TRACE) {
           $("html,body").scrollTop(this.$buildTrace.height());
diff --git a/app/assets/javascripts/dispatcher.js b/app/assets/javascripts/dispatcher.js
index 9c7acc903d1..307c6a306d1 100644
--- a/app/assets/javascripts/dispatcher.js
+++ b/app/assets/javascripts/dispatcher.js
@@ -43,6 +43,7 @@ import GroupsList from './groups_list';
 import ProjectsList from './projects_list';
 import MiniPipelineGraph from './mini_pipeline_graph_dropdown';
 import BlobLinePermalinkUpdater from './blob/blob_line_permalink_updater';
+import BlobForkSuggestion from './blob/blob_fork_suggestion';
 import UserCallout from './user_callout';
 
 const ShortcutsBlob = require('./shortcuts_blob');
@@ -86,6 +87,12 @@ const ShortcutsBlob = require('./shortcuts_blob');
           skipResetBindings: true,
           fileBlobPermalinkUrl,
         });
+
+        new BlobForkSuggestion(
+          document.querySelector('.js-edit-blob-link-fork-toggler'),
+          document.querySelector('.js-cancel-fork-suggestion'),
+          document.querySelector('.js-file-fork-suggestion-section'),
+        );
       }
 
       switch (page) {
diff --git a/app/assets/javascripts/filtered_search/components/recent_searches_dropdown_content.js b/app/assets/javascripts/filtered_search/components/recent_searches_dropdown_content.js
new file mode 100644
index 00000000000..9126422b335
--- /dev/null
+++ b/app/assets/javascripts/filtered_search/components/recent_searches_dropdown_content.js
@@ -0,0 +1,87 @@
+import eventHub from '../event_hub';
+
+export default {
+  name: 'RecentSearchesDropdownContent',
+
+  props: {
+    items: {
+      type: Array,
+      required: true,
+    },
+  },
+
+  computed: {
+    processedItems() {
+      return this.items.map((item) => {
+        const { tokens, searchToken }
+          = gl.FilteredSearchTokenizer.processTokens(item);
+
+        const resultantTokens = tokens.map(token => ({
+          prefix: `${token.key}:`,
+          suffix: `${token.symbol}${token.value}`,
+        }));
+
+        return {
+          text: item,
+          tokens: resultantTokens,
+          searchToken,
+        };
+      });
+    },
+    hasItems() {
+      return this.items.length > 0;
+    },
+  },
+
+  methods: {
+    onItemActivated(text) {
+      eventHub.$emit('recentSearchesItemSelected', text);
+    },
+    onRequestClearRecentSearches(e) {
+      // Stop the dropdown from closing
+      e.stopPropagation();
+
+      eventHub.$emit('requestClearRecentSearches');
+    },
+  },
+
+  template: `
+    <div>
+      <ul v-if="hasItems">
+        <li
+          v-for="(item, index) in processedItems"
+          :key="index">
+          <button
+            type="button"
+            class="filtered-search-history-dropdown-item"
+            @click="onItemActivated(item.text)">
+            <span>
+              <span
+                v-for="(token, tokenIndex) in item.tokens"
+                class="filtered-search-history-dropdown-token">
+                <span class="name">{{ token.prefix }}</span><span class="value">{{ token.suffix }}</span>
+              </span>
+            </span>
+            <span class="filtered-search-history-dropdown-search-token">
+              {{ item.searchToken }}
+            </span>
+          </button>
+        </li>
+        <li class="divider"></li>
+        <li>
+          <button
+            type="button"
+            class="filtered-search-history-clear-button"
+            @click="onRequestClearRecentSearches($event)">
+            Clear recent searches
+          </button>
+        </li>
+      </ul>
+      <div
+        v-else
+        class="dropdown-info-note">
+        You don't have any recent searches
+      </div>
+    </div>
+  `,
+};
diff --git a/app/assets/javascripts/filtered_search/dropdown_hint.js b/app/assets/javascripts/filtered_search/dropdown_hint.js
index ede5d65ce12..79314dd9c6f 100644
--- a/app/assets/javascripts/filtered_search/dropdown_hint.js
+++ b/app/assets/javascripts/filtered_search/dropdown_hint.js
@@ -55,7 +55,7 @@ require('./filtered_search_dropdown');
 
     renderContent() {
       const dropdownData = [];
-      [].forEach.call(this.input.closest('.filtered-search-input-container').querySelectorAll('.dropdown-menu'), (dropdownMenu) => {
+      [].forEach.call(this.input.closest('.filtered-search-box-input-container').querySelectorAll('.dropdown-menu'), (dropdownMenu) => {
         const { icon, hint, tag, type } = dropdownMenu.dataset;
         if (icon && hint && tag) {
           dropdownData.push(
diff --git a/app/assets/javascripts/filtered_search/dropdown_utils.js b/app/assets/javascripts/filtered_search/dropdown_utils.js
index 432b0c0dfd2..6c5c20447f7 100644
--- a/app/assets/javascripts/filtered_search/dropdown_utils.js
+++ b/app/assets/javascripts/filtered_search/dropdown_utils.js
@@ -129,7 +129,9 @@ import FilteredSearchContainer from './container';
         }
       });
 
-      return values.join(' ');
+      return values
+        .map(value => value.trim())
+        .join(' ');
     }
 
     static getSearchInput(filteredSearchInput) {
diff --git a/app/assets/javascripts/filtered_search/event_hub.js b/app/assets/javascripts/filtered_search/event_hub.js
new file mode 100644
index 00000000000..0948c2e5352
--- /dev/null
+++ b/app/assets/javascripts/filtered_search/event_hub.js
@@ -0,0 +1,3 @@
+import Vue from 'vue';
+
+export default new Vue();
diff --git a/app/assets/javascripts/filtered_search/filtered_search_manager.js b/app/assets/javascripts/filtered_search/filtered_search_manager.js
index 36090b49651..b93a8f1d322 100644
--- a/app/assets/javascripts/filtered_search/filtered_search_manager.js
+++ b/app/assets/javascripts/filtered_search/filtered_search_manager.js
@@ -1,18 +1,56 @@
+/* global Flash */
+
 import FilteredSearchContainer from './container';
+import RecentSearchesRoot from './recent_searches_root';
+import RecentSearchesStore from './stores/recent_searches_store';
+import RecentSearchesService from './services/recent_searches_service';
+import eventHub from './event_hub';
 
 (() => {
   class FilteredSearchManager {
     constructor(page) {
       this.container = FilteredSearchContainer.container;
       this.filteredSearchInput = this.container.querySelector('.filtered-search');
+      this.filteredSearchInputForm = this.filteredSearchInput.form;
       this.clearSearchButton = this.container.querySelector('.clear-search');
       this.tokensContainer = this.container.querySelector('.tokens-container');
       this.filteredSearchTokenKeys = gl.FilteredSearchTokenKeys;
 
+      this.recentSearchesStore = new RecentSearchesStore();
+      let recentSearchesKey = 'issue-recent-searches';
+      if (page === 'merge_requests') {
+        recentSearchesKey = 'merge-request-recent-searches';
+      }
+      this.recentSearchesService = new RecentSearchesService(recentSearchesKey);
+
+      // Fetch recent searches from localStorage
+      this.fetchingRecentSearchesPromise = this.recentSearchesService.fetch()
+        .catch(() => {
+          // eslint-disable-next-line no-new
+          new Flash('An error occured while parsing recent searches');
+          // Gracefully fail to empty array
+          return [];
+        })
+        .then((searches) => {
+          // Put any searches that may have come in before
+          // we fetched the saved searches ahead of the already saved ones
+          const resultantSearches = this.recentSearchesStore.setRecentSearches(
+            this.recentSearchesStore.state.recentSearches.concat(searches),
+          );
+          this.recentSearchesService.save(resultantSearches);
+        });
+
       if (this.filteredSearchInput) {
         this.tokenizer = gl.FilteredSearchTokenizer;
         this.dropdownManager = new gl.FilteredSearchDropdownManager(this.filteredSearchInput.getAttribute('data-base-endpoint') || '', page);
 
+        this.recentSearchesRoot = new RecentSearchesRoot(
+          this.recentSearchesStore,
+          this.recentSearchesService,
+          document.querySelector('.js-filtered-search-history-dropdown'),
+        );
+        this.recentSearchesRoot.init();
+
         this.bindEvents();
         this.loadSearchParamsFromURL();
         this.dropdownManager.setDropdown();
@@ -25,6 +63,10 @@ import FilteredSearchContainer from './container';
     cleanup() {
       this.unbindEvents();
       document.removeEventListener('beforeunload', this.cleanupWrapper);
+
+      if (this.recentSearchesRoot) {
+        this.recentSearchesRoot.destroy();
+      }
     }
 
     bindEvents() {
@@ -34,7 +76,7 @@ import FilteredSearchContainer from './container';
       this.handleInputPlaceholderWrapper = this.handleInputPlaceholder.bind(this);
       this.handleInputVisualTokenWrapper = this.handleInputVisualToken.bind(this);
       this.checkForEnterWrapper = this.checkForEnter.bind(this);
-      this.clearSearchWrapper = this.clearSearch.bind(this);
+      this.onClearSearchWrapper = this.onClearSearch.bind(this);
       this.checkForBackspaceWrapper = this.checkForBackspace.bind(this);
       this.removeSelectedTokenWrapper = this.removeSelectedToken.bind(this);
       this.unselectEditTokensWrapper = this.unselectEditTokens.bind(this);
@@ -42,8 +84,8 @@ import FilteredSearchContainer from './container';
       this.tokenChange = this.tokenChange.bind(this);
       this.addInputContainerFocusWrapper = this.addInputContainerFocus.bind(this);
       this.removeInputContainerFocusWrapper = this.removeInputContainerFocus.bind(this);
+      this.onrecentSearchesItemSelectedWrapper = this.onrecentSearchesItemSelected.bind(this);
 
-      this.filteredSearchInputForm = this.filteredSearchInput.form;
       this.filteredSearchInputForm.addEventListener('submit', this.handleFormSubmit);
       this.filteredSearchInput.addEventListener('input', this.setDropdownWrapper);
       this.filteredSearchInput.addEventListener('input', this.toggleClearSearchButtonWrapper);
@@ -56,11 +98,12 @@ import FilteredSearchContainer from './container';
       this.filteredSearchInput.addEventListener('focus', this.addInputContainerFocusWrapper);
       this.tokensContainer.addEventListener('click', FilteredSearchManager.selectToken);
       this.tokensContainer.addEventListener('dblclick', this.editTokenWrapper);
-      this.clearSearchButton.addEventListener('click', this.clearSearchWrapper);
+      this.clearSearchButton.addEventListener('click', this.onClearSearchWrapper);
       document.addEventListener('click', gl.FilteredSearchVisualTokens.unselectTokens);
       document.addEventListener('click', this.unselectEditTokensWrapper);
       document.addEventListener('click', this.removeInputContainerFocusWrapper);
       document.addEventListener('keydown', this.removeSelectedTokenWrapper);
+      eventHub.$on('recentSearchesItemSelected', this.onrecentSearchesItemSelectedWrapper);
     }
 
     unbindEvents() {
@@ -76,11 +119,12 @@ import FilteredSearchContainer from './container';
       this.filteredSearchInput.removeEventListener('focus', this.addInputContainerFocusWrapper);
       this.tokensContainer.removeEventListener('click', FilteredSearchManager.selectToken);
       this.tokensContainer.removeEventListener('dblclick', this.editTokenWrapper);
-      this.clearSearchButton.removeEventListener('click', this.clearSearchWrapper);
+      this.clearSearchButton.removeEventListener('click', this.onClearSearchWrapper);
       document.removeEventListener('click', gl.FilteredSearchVisualTokens.unselectTokens);
       document.removeEventListener('click', this.unselectEditTokensWrapper);
       document.removeEventListener('click', this.removeInputContainerFocusWrapper);
       document.removeEventListener('keydown', this.removeSelectedTokenWrapper);
+      eventHub.$off('recentSearchesItemSelected', this.onrecentSearchesItemSelectedWrapper);
     }
 
     checkForBackspace(e) {
@@ -131,7 +175,7 @@ import FilteredSearchContainer from './container';
     }
 
     addInputContainerFocus() {
-      const inputContainer = this.filteredSearchInput.closest('.filtered-search-input-container');
+      const inputContainer = this.filteredSearchInput.closest('.filtered-search-box');
 
       if (inputContainer) {
         inputContainer.classList.add('focus');
@@ -139,7 +183,7 @@ import FilteredSearchContainer from './container';
     }
 
     removeInputContainerFocus(e) {
-      const inputContainer = this.filteredSearchInput.closest('.filtered-search-input-container');
+      const inputContainer = this.filteredSearchInput.closest('.filtered-search-box');
       const isElementInFilteredSearch = inputContainer && inputContainer.contains(e.target);
       const isElementInDynamicFilterDropdown = e.target.closest('.filter-dropdown') !== null;
       const isElementInStaticFilterDropdown = e.target.closest('ul[data-dropdown]') !== null;
@@ -161,7 +205,7 @@ import FilteredSearchContainer from './container';
     }
 
     unselectEditTokens(e) {
-      const inputContainer = this.container.querySelector('.filtered-search-input-container');
+      const inputContainer = this.container.querySelector('.filtered-search-box');
       const isElementInFilteredSearch = inputContainer && inputContainer.contains(e.target);
       const isElementInFilterDropdown = e.target.closest('.filter-dropdown') !== null;
       const isElementTokensContainer = e.target.classList.contains('tokens-container');
@@ -215,9 +259,12 @@ import FilteredSearchContainer from './container';
       }
     }
 
-    clearSearch(e) {
+    onClearSearch(e) {
       e.preventDefault();
+      this.clearSearch();
+    }
 
+    clearSearch() {
       this.filteredSearchInput.value = '';
 
       const removeElements = [];
@@ -289,6 +336,17 @@ import FilteredSearchContainer from './container';
       this.search();
     }
 
+    saveCurrentSearchQuery() {
+      // Don't save before we have fetched the already saved searches
+      this.fetchingRecentSearchesPromise.then(() => {
+        const searchQuery = gl.DropdownUtils.getSearchQuery();
+        if (searchQuery.length > 0) {
+          const resultantSearches = this.recentSearchesStore.addRecentSearch(searchQuery);
+          this.recentSearchesService.save(resultantSearches);
+        }
+      });
+    }
+
     loadSearchParamsFromURL() {
       const params = gl.utils.getUrlParamsArray();
       const usernameParams = this.getUsernameParams();
@@ -343,6 +401,8 @@ import FilteredSearchContainer from './container';
         }
       });
 
+      this.saveCurrentSearchQuery();
+
       if (hasFilteredSearch) {
         this.clearSearchButton.classList.remove('hidden');
         this.handleInputPlaceholder();
@@ -351,8 +411,12 @@ import FilteredSearchContainer from './container';
 
     search() {
       const paths = [];
+      const searchQuery = gl.DropdownUtils.getSearchQuery();
+
+      this.saveCurrentSearchQuery();
+
       const { tokens, searchToken }
-        = this.tokenizer.processTokens(gl.DropdownUtils.getSearchQuery());
+        = this.tokenizer.processTokens(searchQuery);
       const currentState = gl.utils.getParameterByName('state') || 'opened';
       paths.push(`state=${currentState}`);
 
@@ -416,6 +480,13 @@ import FilteredSearchContainer from './container';
         currentDropdownRef.dispatchInputEvent();
       }
     }
+
+    onrecentSearchesItemSelected(text) {
+      this.clearSearch();
+      this.filteredSearchInput.value = text;
+      this.filteredSearchInput.dispatchEvent(new CustomEvent('input'));
+      this.search();
+    }
   }
 
   window.gl = window.gl || {};
diff --git a/app/assets/javascripts/filtered_search/recent_searches_root.js b/app/assets/javascripts/filtered_search/recent_searches_root.js
new file mode 100644
index 00000000000..4e38409e12a
--- /dev/null
+++ b/app/assets/javascripts/filtered_search/recent_searches_root.js
@@ -0,0 +1,59 @@
+import Vue from 'vue';
+import RecentSearchesDropdownContent from './components/recent_searches_dropdown_content';
+import eventHub from './event_hub';
+
+class RecentSearchesRoot {
+  constructor(
+    recentSearchesStore,
+    recentSearchesService,
+    wrapperElement,
+  ) {
+    this.store = recentSearchesStore;
+    this.service = recentSearchesService;
+    this.wrapperElement = wrapperElement;
+  }
+
+  init() {
+    this.bindEvents();
+    this.render();
+  }
+
+  bindEvents() {
+    this.onRequestClearRecentSearchesWrapper = this.onRequestClearRecentSearches.bind(this);
+
+    eventHub.$on('requestClearRecentSearches', this.onRequestClearRecentSearchesWrapper);
+  }
+
+  unbindEvents() {
+    eventHub.$off('requestClearRecentSearches', this.onRequestClearRecentSearchesWrapper);
+  }
+
+  render() {
+    this.vm = new Vue({
+      el: this.wrapperElement,
+      data: this.store.state,
+      template: `
+        <recent-searches-dropdown-content
+          :items="recentSearches" />
+      `,
+      components: {
+        'recent-searches-dropdown-content': RecentSearchesDropdownContent,
+      },
+    });
+  }
+
+  onRequestClearRecentSearches() {
+    const resultantSearches = this.store.setRecentSearches([]);
+    this.service.save(resultantSearches);
+  }
+
+  destroy() {
+    this.unbindEvents();
+    if (this.vm) {
+      this.vm.$destroy();
+    }
+  }
+
+}
+
+export default RecentSearchesRoot;
diff --git a/app/assets/javascripts/filtered_search/services/recent_searches_service.js b/app/assets/javascripts/filtered_search/services/recent_searches_service.js
new file mode 100644
index 00000000000..3e402d5aed0
--- /dev/null
+++ b/app/assets/javascripts/filtered_search/services/recent_searches_service.js
@@ -0,0 +1,26 @@
+class RecentSearchesService {
+  constructor(localStorageKey = 'issuable-recent-searches') {
+    this.localStorageKey = localStorageKey;
+  }
+
+  fetch() {
+    const input = window.localStorage.getItem(this.localStorageKey);
+
+    let searches = [];
+    if (input && input.length > 0) {
+      try {
+        searches = JSON.parse(input);
+      } catch (err) {
+        return Promise.reject(err);
+      }
+    }
+
+    return Promise.resolve(searches);
+  }
+
+  save(searches = []) {
+    window.localStorage.setItem(this.localStorageKey, JSON.stringify(searches));
+  }
+}
+
+export default RecentSearchesService;
diff --git a/app/assets/javascripts/filtered_search/stores/recent_searches_store.js b/app/assets/javascripts/filtered_search/stores/recent_searches_store.js
new file mode 100644
index 00000000000..066be69766a
--- /dev/null
+++ b/app/assets/javascripts/filtered_search/stores/recent_searches_store.js
@@ -0,0 +1,23 @@
+import _ from 'underscore';
+
+class RecentSearchesStore {
+  constructor(initialState = {}) {
+    this.state = Object.assign({
+      recentSearches: [],
+    }, initialState);
+  }
+
+  addRecentSearch(newSearch) {
+    this.setRecentSearches([newSearch].concat(this.state.recentSearches));
+
+    return this.state.recentSearches;
+  }
+
+  setRecentSearches(searches = []) {
+    const trimmedSearches = searches.map(search => search.trim());
+    this.state.recentSearches = _.uniq(trimmedSearches).slice(0, 5);
+    return this.state.recentSearches;
+  }
+}
+
+export default RecentSearchesStore;
diff --git a/app/assets/javascripts/monitoring/prometheus_graph.js b/app/assets/javascripts/monitoring/prometheus_graph.js
index a6ffa0f59de..d82a4eb9642 100644
--- a/app/assets/javascripts/monitoring/prometheus_graph.js
+++ b/app/assets/javascripts/monitoring/prometheus_graph.js
@@ -6,7 +6,10 @@ import statusCodes from '~/lib/utils/http_status';
 import { formatRelevantDigits } from '~/lib/utils/number_utils';
 import '../flash';
 
+const prometheusContainer = '.prometheus-container';
+const prometheusParentGraphContainer = '.prometheus-graphs';
 const prometheusGraphsContainer = '.prometheus-graph';
+const prometheusStatesContainer = '.prometheus-state';
 const metricsEndpoint = 'metrics.json';
 const timeFormat = d3.time.format('%H:%M');
 const dayFormat = d3.time.format('%b %e, %a');
@@ -14,19 +17,30 @@ const bisectDate = d3.bisector(d => d.time).left;
 const extraAddedWidthParent = 100;
 
 class PrometheusGraph {
-
   constructor() {
-    this.margin = { top: 80, right: 180, bottom: 80, left: 100 };
-    this.marginLabelContainer = { top: 40, right: 0, bottom: 40, left: 0 };
-    const parentContainerWidth = $(prometheusGraphsContainer).parent().width() +
-    extraAddedWidthParent;
-    this.originalWidth = parentContainerWidth;
-    this.originalHeight = 330;
-    this.width = parentContainerWidth - this.margin.left - this.margin.right;
-    this.height = this.originalHeight - this.margin.top - this.margin.bottom;
-    this.backOffRequestCounter = 0;
-    this.configureGraph();
-    this.init();
+    const $prometheusContainer = $(prometheusContainer);
+    const hasMetrics = $prometheusContainer.data('has-metrics');
+    this.docLink = $prometheusContainer.data('doc-link');
+    this.integrationLink = $prometheusContainer.data('prometheus-integration');
+
+    $(document).ajaxError(() => {});
+
+    if (hasMetrics) {
+      this.margin = { top: 80, right: 180, bottom: 80, left: 100 };
+      this.marginLabelContainer = { top: 40, right: 0, bottom: 40, left: 0 };
+      const parentContainerWidth = $(prometheusGraphsContainer).parent().width() +
+      extraAddedWidthParent;
+      this.originalWidth = parentContainerWidth;
+      this.originalHeight = 330;
+      this.width = parentContainerWidth - this.margin.left - this.margin.right;
+      this.height = this.originalHeight - this.margin.top - this.margin.bottom;
+      this.backOffRequestCounter = 0;
+      this.configureGraph();
+      this.init();
+    } else {
+      this.state = '.js-getting-started';
+      this.updateState();
+    }
   }
 
   createGraph() {
@@ -40,8 +54,19 @@ class PrometheusGraph {
 
   init() {
     this.getData().then((metricsResponse) => {
-      if (Object.keys(metricsResponse).length === 0) {
-        new Flash('Empty metrics', 'alert');
+      let enoughData = true;
+      Object.keys(metricsResponse.metrics).forEach((key) => {
+        let currentKey;
+        if (key === 'cpu_values' || key === 'memory_values') {
+          currentKey = metricsResponse.metrics[key];
+          if (Object.keys(currentKey).length === 0) {
+            enoughData = false;
+          }
+        }
+      });
+      if (!enoughData) {
+        this.state = '.js-loading';
+        this.updateState();
       } else {
         this.transformData(metricsResponse);
         this.createGraph();
@@ -345,14 +370,17 @@ class PrometheusGraph {
       }
       return resp.metrics;
     })
-    .catch(() => new Flash('An error occurred while fetching metrics.', 'alert'));
+    .catch(() => {
+      this.state = '.js-unable-to-connect';
+      this.updateState();
+    });
   }
 
   transformData(metricsResponse) {
     Object.keys(metricsResponse.metrics).forEach((key) => {
       if (key === 'cpu_values' || key === 'memory_values') {
         const metricValues = (metricsResponse.metrics[key])[0];
-        if (typeof metricValues !== 'undefined') {
+        if (metricValues !== undefined) {
           this.graphSpecificProperties[key].data = metricValues.values.map(metric => ({
             time: new Date(metric[0] * 1000),
             value: metric[1],
@@ -361,6 +389,13 @@ class PrometheusGraph {
       }
     });
   }
+
+  updateState() {
+    const $statesContainer = $(prometheusStatesContainer);
+    $(prometheusParentGraphContainer).hide();
+    $(`${this.state}`, $statesContainer).removeClass('hidden');
+    $(prometheusStatesContainer).show();
+  }
 }
 
 export default PrometheusGraph;
diff --git a/app/assets/stylesheets/framework/awards.scss b/app/assets/stylesheets/framework/awards.scss
index 1ae144fb471..b849cc2d853 100644
--- a/app/assets/stylesheets/framework/awards.scss
+++ b/app/assets/stylesheets/framework/awards.scss
@@ -91,7 +91,7 @@
 
 .award-menu-holder {
   display: inline-block;
-  position: relative;
+  position: absolute;
 
   .tooltip {
     white-space: nowrap;
@@ -117,11 +117,41 @@
 
   &.active,
   &:hover,
-  &:active {
+  &:active,
+  &.is-active {
     background-color: $row-hover;
     border-color: $row-hover-border;
     box-shadow: none;
     outline: 0;
+
+    .award-control-icon svg {
+      background: $award-emoji-positive-add-bg;
+
+      path {
+        fill: $award-emoji-positive-add-lines;
+      }
+    }
+
+    .award-control-icon-neutral {
+      opacity: 0;
+    }
+
+    .award-control-icon-positive {
+      opacity: 1;
+      transform: scale(1.15);
+    }
+  }
+
+  &.is-active {
+    .award-control-icon-positive {
+      opacity: 0;
+      transform: scale(1);
+    }
+
+    .award-control-icon-super-positive {
+      opacity: 1;
+      transform: scale(1);
+    }
   }
 
   &.btn {
@@ -162,9 +192,33 @@
     color: $border-gray-normal;
     margin-top: 1px;
     padding: 0 2px;
+
+    svg {
+      margin-bottom: 1px;
+      height: 18px;
+      width: 18px;
+      border-radius: 50%;
+
+      path {
+        fill: $border-gray-normal;
+      }
+    }
+  }
+
+  .award-control-icon-positive,
+  .award-control-icon-super-positive {
+    position: absolute;
+    left: 7px;
+    bottom: 9px;
+    opacity: 0;
+    @include transition(opacity, transform);
   }
 
   .award-control-text {
     vertical-align: middle;
   }
 }
+
+.note-awards .award-control-icon-positive {
+  left: 6px;
+}
diff --git a/app/assets/stylesheets/framework/dropdowns.scss b/app/assets/stylesheets/framework/dropdowns.scss
index 2ede47e9de6..23cba57f83a 100644
--- a/app/assets/stylesheets/framework/dropdowns.scss
+++ b/app/assets/stylesheets/framework/dropdowns.scss
@@ -177,10 +177,6 @@
   border-radius: $border-radius-base;
   box-shadow: 0 2px 4px $dropdown-shadow-color;
 
-  .filtered-search-input-container & {
-    max-width: 280px;
-  }
-
   &.is-loading {
     .dropdown-content {
       display: none;
@@ -467,6 +463,11 @@
   overflow-y: auto;
 }
 
+.dropdown-info-note {
+  color: $gl-text-color-secondary;
+  text-align: center;
+}
+
 .dropdown-footer {
   padding-top: 10px;
   margin-top: 10px;
diff --git a/app/assets/stylesheets/framework/files.scss b/app/assets/stylesheets/framework/files.scss
index ddea1cf540b..a5a8522739e 100644
--- a/app/assets/stylesheets/framework/files.scss
+++ b/app/assets/stylesheets/framework/files.scss
@@ -281,3 +281,16 @@ span.idiff {
     display: none;
   }
 }
+
+.file-fork-suggestion {
+  display: flex;
+  align-items: center;
+  justify-content: flex-end;
+  background-color: $gray-light;
+  border-bottom: 1px solid $border-color;
+  padding: 5px $gl-padding;
+}
+
+.file-fork-suggestion-note {
+  margin-right: 1.5em;
+}
diff --git a/app/assets/stylesheets/framework/filters.scss b/app/assets/stylesheets/framework/filters.scss
index 5a034e11206..8be2e3fc70c 100644
--- a/app/assets/stylesheets/framework/filters.scss
+++ b/app/assets/stylesheets/framework/filters.scss
@@ -22,7 +22,6 @@
 }
 
 @media (min-width: $screen-sm-min) {
-  .issues-filters,
   .issues_bulk_update {
     .dropdown-menu-toggle {
       width: 132px;
@@ -56,7 +55,7 @@
   }
 }
 
-.filtered-search-container {
+.filtered-search-wrapper {
   display: -webkit-flex;
   display: flex;
 
@@ -151,11 +150,13 @@
   width: 100%;
 }
 
-.filtered-search-input-container {
+.filtered-search-box {
+  position: relative;
+  flex: 1;
   display: -webkit-flex;
   display: flex;
-  position: relative;
   width: 100%;
+  min-width: 0;
   border: 1px solid $border-color;
   background-color: $white-light;
 
@@ -163,14 +164,6 @@
     -webkit-flex: 1 1 auto;
     flex: 1 1 auto;
     margin-bottom: 10px;
-
-    .dropdown-menu {
-      width: auto;
-      left: 0;
-      right: 0;
-      max-width: none;
-      min-width: 100%;
-    }
   }
 
   &:hover {
@@ -229,6 +222,118 @@
   }
 }
 
+.filtered-search-box-input-container {
+  flex: 1;
+  position: relative;
+  // Fix PhantomJS not supporting `flex: 1;` properly.
+  // This is important because it can change the expected `e.target` when clicking things in tests.
+  // See https://gitlab.com/gitlab-org/gitlab-ce/blob/b54acba8b732688c59fe2f38510c469dc86ee499/spec/features/issues/filtered_search/visual_tokens_spec.rb#L61
+  // - With `width: 100%`: `e.target` = `.tokens-container`, https://i.imgur.com/jGq7wbx.png
+  // - Without `width: 100%`: `e.target` = `.filtered-search`, https://i.imgur.com/cNI2CyT.png
+  width: 100%;
+  min-width: 0;
+}
+
+.filtered-search-input-dropdown-menu {
+  max-width: 280px;
+
+  @media (max-width: $screen-xs-min) {
+    width: auto;
+    left: 0;
+    right: 0;
+    max-width: none;
+    min-width: 100%;
+  }
+}
+
+.filtered-search-history-dropdown-toggle-button {
+  display: flex;
+  align-items: center;
+  width: auto;
+  height: 100%;
+  padding-top: 0;
+  padding-left: 0.75em;
+  padding-bottom: 0;
+  padding-right: 0.5em;
+
+  background-color: transparent;
+  border-radius: 0;
+  border-top: 0;
+  border-left: 0;
+  border-bottom: 0;
+  border-right: 1px solid $border-color;
+
+  color: $gl-text-color-secondary;
+
+  transition: color 0.1s linear;
+
+  &:hover,
+  &:focus {
+    color: $gl-text-color;
+    border-color: $dropdown-input-focus-border;
+    outline: none;
+  }
+
+  .dropdown-toggle-text {
+    color: inherit;
+
+    .fa {
+      color: inherit;
+    }
+  }
+
+  .fa {
+    position: initial;
+  }
+
+}
+
+.filtered-search-history-dropdown-wrapper {
+  position: initial;
+  flex-shrink: 0;
+}
+
+.filtered-search-history-dropdown {
+  width: 40%;
+
+  @media (max-width: $screen-xs-min) {
+    left: 0;
+    right: 0;
+    max-width: none;
+  }
+}
+
+.filtered-search-history-dropdown-content {
+  max-height: none;
+}
+
+.filtered-search-history-dropdown-item,
+.filtered-search-history-clear-button {
+  @include dropdown-link;
+
+  overflow: hidden;
+  width: 100%;
+  margin: 0.5em 0;
+
+  background-color: transparent;
+  border: 0;
+  text-align: left;
+  white-space: nowrap;
+  text-overflow: ellipsis;
+}
+
+.filtered-search-history-dropdown-token {
+  display: inline;
+
+  &:not(:last-child) {
+    margin-right: 0.3em;
+  }
+
+  & > .value {
+    font-weight: 600;
+  }
+}
+
 .filter-dropdown-container {
   display: -webkit-flex;
   display: flex;
@@ -248,10 +353,8 @@
 }
 
 @media (min-width: $screen-sm-min) and (max-width: $screen-sm-max) {
-  .issues-details-filters {
-    .dropdown-menu-toggle {
-      width: 100px;
-    }
+  .issue-bulk-update-dropdown-toggle {
+    width: 100px;
   }
 }
 
diff --git a/app/assets/stylesheets/framework/modal.scss b/app/assets/stylesheets/framework/modal.scss
index 8cd49280e1c..7098203321d 100644
--- a/app/assets/stylesheets/framework/modal.scss
+++ b/app/assets/stylesheets/framework/modal.scss
@@ -16,6 +16,8 @@ body.modal-open {
   overflow: hidden;
 }
 
-.modal .modal-dialog {
-  width: 860px;
+@media (min-width: $screen-md-min) {
+  .modal-dialog {
+    width: 860px;
+  }
 }
diff --git a/app/assets/stylesheets/framework/variables.scss b/app/assets/stylesheets/framework/variables.scss
index 97794a47df8..712eb7caf33 100644
--- a/app/assets/stylesheets/framework/variables.scss
+++ b/app/assets/stylesheets/framework/variables.scss
@@ -293,6 +293,8 @@ $badge-color: $gl-text-color-secondary;
  *  Award emoji
  */
 $award-emoji-menu-shadow: rgba(0,0,0,.175);
+$award-emoji-positive-add-bg: #fed159;
+$award-emoji-positive-add-lines: #bb9c13;
 
 /*
  * Search Box
diff --git a/app/assets/stylesheets/pages/container_registry.scss b/app/assets/stylesheets/pages/container_registry.scss
new file mode 100644
index 00000000000..3266714396e
--- /dev/null
+++ b/app/assets/stylesheets/pages/container_registry.scss
@@ -0,0 +1,16 @@
+/**
+ * Container Registry
+ */
+
+.container-image {
+  border-bottom: 1px solid $white-normal;
+}
+
+.container-image-head {
+  padding: 0 16px;
+  line-height: 4em;
+}
+
+.table.tags {
+  margin-bottom: 0;
+}
diff --git a/app/assets/stylesheets/pages/environments.scss b/app/assets/stylesheets/pages/environments.scss
index 6faa3794c83..72e7d42858d 100644
--- a/app/assets/stylesheets/pages/environments.scss
+++ b/app/assets/stylesheets/pages/environments.scss
@@ -233,6 +233,15 @@
   stroke-width: 1;
 }
 
+.prometheus-state {
+  margin-top: 10px;
+  display: none;
+
+  .state-button-section {
+    margin-top: 10px;
+  }
+}
+
 .environments-actions {
   .external-url,
   .monitoring-url,
diff --git a/app/assets/stylesheets/pages/events.scss b/app/assets/stylesheets/pages/events.scss
index 08398bb43a2..e7f9bbbc62f 100644
--- a/app/assets/stylesheets/pages/events.scss
+++ b/app/assets/stylesheets/pages/events.scss
@@ -4,14 +4,14 @@
  */
 .event-item {
   font-size: $gl-font-size;
-  padding: $gl-padding-top 0 $gl-padding-top ($gl-avatar-size + $gl-padding-top);
+  padding: $gl-padding-top 0 $gl-padding-top 40px;
   border-bottom: 1px solid $white-normal;
   color: $list-text-color;
+  position: relative;
 
   &.event-inline {
-    .avatar {
-      position: relative;
-      top: -2px;
+    .profile-icon {
+      top: 20px;
     }
 
     .event-title,
@@ -24,8 +24,28 @@
     color: $gl-text-color;
   }
 
-  .avatar {
-    margin-left: -($gl-avatar-size + $gl-padding-top);
+  .profile-icon {
+    position: absolute;
+    left: 0;
+    top: 14px;
+
+    svg {
+      width: 20px;
+      height: auto;
+      fill: $gl-text-color-secondary;
+    }
+
+    &.open-icon svg {
+      fill: $green-300;
+    }
+
+    &.closed-icon svg {
+      fill: $red-300;
+    }
+
+    &.fork-icon svg {
+      fill: $blue-300;
+    }
   }
 
   .event-title {
@@ -163,7 +183,7 @@
       max-width: 100%;
     }
 
-    .avatar {
+    .profile-icon {
       display: none;
     }
 
diff --git a/app/assets/stylesheets/pages/merge_requests.scss b/app/assets/stylesheets/pages/merge_requests.scss
index 566dcc64802..2f946ab2f59 100644
--- a/app/assets/stylesheets/pages/merge_requests.scss
+++ b/app/assets/stylesheets/pages/merge_requests.scss
@@ -329,8 +329,6 @@
 }
 
 #modal_merge_info .modal-dialog {
-  width: 600px;
-
   .dark {
     margin-right: 40px;
   }
diff --git a/app/assets/stylesheets/pages/notes.scss b/app/assets/stylesheets/pages/notes.scss
index 33efba923b0..191e3ded8c3 100644
--- a/app/assets/stylesheets/pages/notes.scss
+++ b/app/assets/stylesheets/pages/notes.scss
@@ -410,13 +410,50 @@ ul.notes {
     font-size: 17px;
   }
 
-  &:hover {
+  svg {
+    height: 16px;
+    width: 16px;
+    fill: $gray-darkest;
+    vertical-align: text-top;
+  }
+
+  .award-control-icon-positive,
+  .award-control-icon-super-positive {
+    position: absolute;
+    margin-left: -20px;
+    opacity: 0;
+  }
+
+  &:hover,
+  &.is-active {
     .danger-highlight {
       color: $gl-text-red;
     }
 
     .link-highlight {
       color: $gl-link-color;
+
+      svg {
+        fill: $gl-link-color;
+      }
+    }
+
+    .award-control-icon-neutral {
+      opacity: 0;
+    }
+
+    .award-control-icon-positive {
+      opacity: 1;
+    }
+  }
+
+  &.is-active {
+    .award-control-icon-positive {
+      opacity: 0;
+    }
+
+    .award-control-icon-super-positive {
+      opacity: 1;
     }
   }
 }
@@ -520,7 +557,6 @@ ul.notes {
 }
 
 .line-resolve-all-container {
-
   .btn-group {
     margin-left: -4px;
   }
@@ -549,7 +585,6 @@ ul.notes {
       fill: $gray-darkest;
     }
   }
-
 }
 
 .line-resolve-all {
diff --git a/app/assets/stylesheets/pages/profile.scss b/app/assets/stylesheets/pages/profile.scss
index 703c5fc8869..8c6dd392865 100644
--- a/app/assets/stylesheets/pages/profile.scss
+++ b/app/assets/stylesheets/pages/profile.scss
@@ -230,6 +230,14 @@
     font-size: 0;
   }
 
+  .fade-right {
+    right: 0;
+  }
+
+  .fade-left {
+    left: 0;
+  }
+
   @media (max-width: $screen-xs-max) {
     .cover-block {
       padding-top: 20px;
diff --git a/app/assets/stylesheets/pages/settings_ci_cd.scss b/app/assets/stylesheets/pages/settings_ci_cd.scss
index b97a29cd1a0..fe22d186af1 100644
--- a/app/assets/stylesheets/pages/settings_ci_cd.scss
+++ b/app/assets/stylesheets/pages/settings_ci_cd.scss
@@ -6,6 +6,8 @@
 }
 
 .trigger-actions {
+  white-space: nowrap;
+
   .btn {
     margin-left: 10px;
   }
diff --git a/app/assets/stylesheets/pages/tree.scss b/app/assets/stylesheets/pages/tree.scss
index fc4da4c495f..f3916622b6f 100644
--- a/app/assets/stylesheets/pages/tree.scss
+++ b/app/assets/stylesheets/pages/tree.scss
@@ -145,8 +145,6 @@
   margin: 0;
 }
 
-#modal-remove-blob > .modal-dialog { width: 850px; }
-
 .blob-upload-dropzone-previews {
   text-align: center;
   border: 2px;
diff --git a/app/controllers/admin/groups_controller.rb b/app/controllers/admin/groups_controller.rb
index cea3d088e94..f28bbdeff5a 100644
--- a/app/controllers/admin/groups_controller.rb
+++ b/app/controllers/admin/groups_controller.rb
@@ -72,7 +72,9 @@ class Admin::GroupsController < Admin::ApplicationController
       :name,
       :path,
       :request_access_enabled,
-      :visibility_level
+      :visibility_level,
+      :require_two_factor_authentication,
+      :two_factor_grace_period
     ]
   end
 end
diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index 6a6e335d314..e77094fe2a8 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -8,12 +8,12 @@ class ApplicationController < ActionController::Base
   include PageLayoutHelper
   include SentryHelper
   include WorkhorseHelper
+  include EnforcesTwoFactorAuthentication
 
   before_action :authenticate_user_from_private_token!
   before_action :authenticate_user!
   before_action :validate_user_service_ticket!
   before_action :check_password_expiration
-  before_action :check_2fa_requirement
   before_action :ldap_security_check
   before_action :sentry_context
   before_action :default_headers
@@ -151,12 +151,6 @@ class ApplicationController < ActionController::Base
     end
   end
 
-  def check_2fa_requirement
-    if two_factor_authentication_required? && current_user && !current_user.two_factor_enabled? && !skip_two_factor?
-      redirect_to profile_two_factor_auth_path
-    end
-  end
-
   def ldap_security_check
     if current_user && current_user.requires_ldap_check?
       return unless current_user.try_obtain_ldap_lease
@@ -265,23 +259,6 @@ class ApplicationController < ActionController::Base
     current_application_settings.import_sources.include?('gitlab_project')
   end
 
-  def two_factor_authentication_required?
-    current_application_settings.require_two_factor_authentication
-  end
-
-  def two_factor_grace_period
-    current_application_settings.two_factor_grace_period
-  end
-
-  def two_factor_grace_period_expired?
-    date = current_user.otp_grace_period_started_at
-    date && (date + two_factor_grace_period.hours) < Time.current
-  end
-
-  def skip_two_factor?
-    session[:skip_tfa] && session[:skip_tfa] > Time.current
-  end
-
   # U2F (universal 2nd factor) devices need a unique identifier for the application
   # to perform authentication.
   # https://developers.yubico.com/U2F/App_ID.html
diff --git a/app/controllers/concerns/enforces_two_factor_authentication.rb b/app/controllers/concerns/enforces_two_factor_authentication.rb
new file mode 100644
index 00000000000..688e8bd4a37
--- /dev/null
+++ b/app/controllers/concerns/enforces_two_factor_authentication.rb
@@ -0,0 +1,58 @@
+# == EnforcesTwoFactorAuthentication
+#
+# Controller concern to enforce two-factor authentication requirements
+#
+# Upon inclusion, adds `check_two_factor_requirement` as a before_action,
+# and makes `two_factor_grace_period_expired?` and `two_factor_skippable?`
+# available as view helpers.
+module EnforcesTwoFactorAuthentication
+  extend ActiveSupport::Concern
+
+  included do
+    before_action :check_two_factor_requirement
+    helper_method :two_factor_grace_period_expired?, :two_factor_skippable?
+  end
+
+  def check_two_factor_requirement
+    if two_factor_authentication_required? && current_user && !current_user.two_factor_enabled? && !skip_two_factor?
+      redirect_to profile_two_factor_auth_path
+    end
+  end
+
+  def two_factor_authentication_required?
+    current_application_settings.require_two_factor_authentication? ||
+      current_user.try(:require_two_factor_authentication_from_group?)
+  end
+
+  def two_factor_authentication_reason(global: -> {}, group: -> {})
+    if two_factor_authentication_required?
+      if current_application_settings.require_two_factor_authentication?
+        global.call
+      else
+        groups = current_user.expanded_groups_requiring_two_factor_authentication.reorder(name: :asc)
+        group.call(groups)
+      end
+    end
+  end
+
+  def two_factor_grace_period
+    periods = [current_application_settings.two_factor_grace_period]
+    periods << current_user.two_factor_grace_period if current_user.try(:require_two_factor_authentication_from_group?)
+    periods.min
+  end
+
+  def two_factor_grace_period_expired?
+    date = current_user.otp_grace_period_started_at
+    date && (date + two_factor_grace_period.hours) < Time.current
+  end
+
+  def two_factor_skippable?
+    two_factor_authentication_required? &&
+      !current_user.two_factor_enabled? &&
+      !two_factor_grace_period_expired?
+  end
+
+  def skip_two_factor?
+    session[:skip_two_factor] && session[:skip_two_factor] > Time.current
+  end
+end
diff --git a/app/controllers/groups_controller.rb b/app/controllers/groups_controller.rb
index 78c9f1f7004..593001e6396 100644
--- a/app/controllers/groups_controller.rb
+++ b/app/controllers/groups_controller.rb
@@ -151,7 +151,9 @@ class GroupsController < Groups::ApplicationController
       :visibility_level,
       :parent_id,
       :create_chat_team,
-      :chat_team_name
+      :chat_team_name,
+      :require_two_factor_authentication,
+      :two_factor_grace_period
     ]
   end
 
diff --git a/app/controllers/profiles/two_factor_auths_controller.rb b/app/controllers/profiles/two_factor_auths_controller.rb
index 26e7e93533e..d3fa81cd623 100644
--- a/app/controllers/profiles/two_factor_auths_controller.rb
+++ b/app/controllers/profiles/two_factor_auths_controller.rb
@@ -1,5 +1,5 @@
 class Profiles::TwoFactorAuthsController < Profiles::ApplicationController
-  skip_before_action :check_2fa_requirement
+  skip_before_action :check_two_factor_requirement
 
   def show
     unless current_user.otp_secret
@@ -13,11 +13,24 @@ class Profiles::TwoFactorAuthsController < Profiles::ApplicationController
     current_user.save! if current_user.changed?
 
     if two_factor_authentication_required? && !current_user.two_factor_enabled?
-      if two_factor_grace_period_expired?
-        flash.now[:alert] = 'You must enable Two-Factor Authentication for your account.'
-      else
+      two_factor_authentication_reason(
+        global: lambda do
+          flash.now[:alert] =
+            'The global settings require you to enable Two-Factor Authentication for your account.'
+        end,
+        group: lambda do |groups|
+          group_links = groups.map { |group| view_context.link_to group.full_name, group_path(group) }.to_sentence
+
+          flash.now[:alert] = %{
+            The group settings for #{group_links} require you to enable
+            Two-Factor Authentication for your account.
+          }.html_safe
+        end
+      )
+
+      unless two_factor_grace_period_expired?
         grace_period_deadline = current_user.otp_grace_period_started_at + two_factor_grace_period.hours
-        flash.now[:alert] = "You must enable Two-Factor Authentication for your account before #{l(grace_period_deadline)}."
+        flash.now[:alert] << " You need to do this before #{l(grace_period_deadline)}."
       end
     end
 
@@ -71,7 +84,7 @@ class Profiles::TwoFactorAuthsController < Profiles::ApplicationController
     if two_factor_grace_period_expired?
       redirect_to new_profile_two_factor_auth_path, alert: 'Cannot skip two factor authentication setup'
     else
-      session[:skip_tfa] = current_user.otp_grace_period_started_at + two_factor_grace_period.hours
+      session[:skip_two_factor] = current_user.otp_grace_period_started_at + two_factor_grace_period.hours
       redirect_to root_path
     end
   end
diff --git a/app/controllers/projects/blob_controller.rb b/app/controllers/projects/blob_controller.rb
index 80a95c6158b..73706bf8dae 100644
--- a/app/controllers/projects/blob_controller.rb
+++ b/app/controllers/projects/blob_controller.rb
@@ -7,9 +7,11 @@ class Projects::BlobController < Projects::ApplicationController
   # Raised when given an invalid file path
   InvalidPathError = Class.new(StandardError)
 
+  prepend_before_action :authenticate_user!, only: [:edit]
+
   before_action :require_non_empty_project, except: [:new, :create]
   before_action :authorize_download_code!
-  before_action :authorize_edit_tree!, only: [:new, :create, :edit, :update, :destroy]
+  before_action :authorize_edit_tree!, only: [:new, :create, :update, :destroy]
   before_action :assign_blob_vars
   before_action :commit, except: [:new, :create]
   before_action :blob, except: [:new, :create]
@@ -37,7 +39,11 @@ class Projects::BlobController < Projects::ApplicationController
   end
 
   def edit
-    blob.load_all_data!(@repository)
+    if can_collaborate_with_project?
+      blob.load_all_data!(@repository)
+    else
+      redirect_to action: 'show'
+    end
   end
 
   def update
diff --git a/app/controllers/projects/builds_controller.rb b/app/controllers/projects/builds_controller.rb
index 3f3c90a49ab..add66ce9f84 100644
--- a/app/controllers/projects/builds_controller.rb
+++ b/app/controllers/projects/builds_controller.rb
@@ -31,25 +31,25 @@ class Projects::BuildsController < Projects::ApplicationController
     @builds = @project.pipelines.find_by_sha(@build.sha).builds.order('id DESC')
     @builds = @builds.where("id not in (?)", @build.id)
     @pipeline = @build.pipeline
-
-    respond_to do |format|
-      format.html
-      format.json do
-        render json: {
-          id: @build.id,
-          status: @build.status,
-          trace_html: @build.trace_html
-        }
-      end
-    end
   end
 
   def trace
-    respond_to do |format|
-      format.json do
-        state = params[:state].presence
-        render json: @build.trace_with_state(state: state).
-          merge!(id: @build.id, status: @build.status)
+    build.trace.read do |stream|
+      respond_to do |format|
+        format.json do
+          result = {
+            id: @build.id, status: @build.status, complete: @build.complete?
+          }
+
+          if stream.valid?
+            stream.limit
+            state = params[:state].presence
+            trace = stream.html_with_state(state)
+            result.merge!(trace.to_h)
+          end
+
+          render json: result
+        end
       end
     end
   end
@@ -86,10 +86,12 @@ class Projects::BuildsController < Projects::ApplicationController
   end
 
   def raw
-    if @build.has_trace_file?
-      send_file @build.trace_file_path, type: 'text/plain; charset=utf-8', disposition: 'inline'
-    else
-      render_404
+    build.trace.read do |stream|
+      if stream.file?
+        send_file stream.path, type: 'text/plain; charset=utf-8', disposition: 'inline'
+      else
+        render_404
+      end
     end
   end
 
diff --git a/app/controllers/projects/container_registry_controller.rb b/app/controllers/projects/container_registry_controller.rb
deleted file mode 100644
index d1f46497207..00000000000
--- a/app/controllers/projects/container_registry_controller.rb
+++ /dev/null
@@ -1,34 +0,0 @@
-class Projects::ContainerRegistryController < Projects::ApplicationController
-  before_action :verify_registry_enabled
-  before_action :authorize_read_container_image!
-  before_action :authorize_update_container_image!, only: [:destroy]
-  layout 'project'
-
-  def index
-    @tags = container_registry_repository.tags
-  end
-
-  def destroy
-    url = namespace_project_container_registry_index_path(project.namespace, project)
-
-    if tag.delete
-      redirect_to url
-    else
-      redirect_to url, alert: 'Failed to remove tag'
-    end
-  end
-
-  private
-
-  def verify_registry_enabled
-    render_404 unless Gitlab.config.registry.enabled
-  end
-
-  def container_registry_repository
-    @container_registry_repository ||= project.container_registry_repository
-  end
-
-  def tag
-    @tag ||= container_registry_repository.tag(params[:id])
-  end
-end
diff --git a/app/controllers/projects/merge_requests_controller.rb b/app/controllers/projects/merge_requests_controller.rb
index 1266745f671..f5bc75d02c9 100755
--- a/app/controllers/projects/merge_requests_controller.rb
+++ b/app/controllers/projects/merge_requests_controller.rb
@@ -452,7 +452,7 @@ class Projects::MergeRequestsController < Projects::ApplicationController
 
     if pipeline
       status = pipeline.status
-      coverage = pipeline.try(:coverage)
+      coverage = pipeline.coverage
 
       status = "success_with_warnings" if pipeline.success? && pipeline.has_warnings?
 
diff --git a/app/controllers/projects/registry/application_controller.rb b/app/controllers/projects/registry/application_controller.rb
new file mode 100644
index 00000000000..a56f9c58726
--- /dev/null
+++ b/app/controllers/projects/registry/application_controller.rb
@@ -0,0 +1,16 @@
+module Projects
+  module Registry
+    class ApplicationController < Projects::ApplicationController
+      layout 'project'
+
+      before_action :verify_registry_enabled!
+      before_action :authorize_read_container_image!
+
+      private
+
+      def verify_registry_enabled!
+        render_404 unless Gitlab.config.registry.enabled
+      end
+    end
+  end
+end
diff --git a/app/controllers/projects/registry/repositories_controller.rb b/app/controllers/projects/registry/repositories_controller.rb
new file mode 100644
index 00000000000..17f391ba07f
--- /dev/null
+++ b/app/controllers/projects/registry/repositories_controller.rb
@@ -0,0 +1,43 @@
+module Projects
+  module Registry
+    class RepositoriesController < ::Projects::Registry::ApplicationController
+      before_action :authorize_update_container_image!, only: [:destroy]
+      before_action :ensure_root_container_repository!, only: [:index]
+
+      def index
+        @images = project.container_repositories
+      end
+
+      def destroy
+        if image.destroy
+          redirect_to project_container_registry_path(@project),
+                      notice: 'Image repository has been removed successfully!'
+        else
+          redirect_to project_container_registry_path(@project),
+                      alert: 'Failed to remove image repository!'
+        end
+      end
+
+      private
+
+      def image
+        @image ||= project.container_repositories.find(params[:id])
+      end
+
+      ##
+      # Container repository object for root project path.
+      #
+      # Needed to maintain a backwards compatibility.
+      #
+      def ensure_root_container_repository!
+        ContainerRegistry::Path.new(@project.full_path).tap do |path|
+          break if path.has_repository?
+
+          ContainerRepository.build_from_path(path).tap do |repository|
+            repository.save! if repository.has_tags?
+          end
+        end
+      end
+    end
+  end
+end
diff --git a/app/controllers/projects/registry/tags_controller.rb b/app/controllers/projects/registry/tags_controller.rb
new file mode 100644
index 00000000000..d689cade3ab
--- /dev/null
+++ b/app/controllers/projects/registry/tags_controller.rb
@@ -0,0 +1,28 @@
+module Projects
+  module Registry
+    class TagsController < ::Projects::Registry::ApplicationController
+      before_action :authorize_update_container_image!, only: [:destroy]
+
+      def destroy
+        if tag.delete
+          redirect_to project_container_registry_path(@project),
+                      notice: 'Registry tag has been removed successfully!'
+        else
+          redirect_to project_container_registry_path(@project),
+                      alert: 'Failed to remove registry tag!'
+        end
+      end
+
+      private
+
+      def image
+        @image ||= project.container_repositories
+          .find(params[:repository_id])
+      end
+
+      def tag
+        @tag ||= image.tag(params[:id])
+      end
+    end
+  end
+end
diff --git a/app/controllers/sessions_controller.rb b/app/controllers/sessions_controller.rb
index d8561871098..d3091a4f8e9 100644
--- a/app/controllers/sessions_controller.rb
+++ b/app/controllers/sessions_controller.rb
@@ -3,7 +3,7 @@ class SessionsController < Devise::SessionsController
   include Devise::Controllers::Rememberable
   include Recaptcha::ClientHelper
 
-  skip_before_action :check_2fa_requirement, only: [:destroy]
+  skip_before_action :check_two_factor_requirement, only: [:destroy]
 
   prepend_before_action :check_initial_setup, only: [:new]
   prepend_before_action :authenticate_with_two_factor,
diff --git a/app/helpers/auth_helper.rb b/app/helpers/auth_helper.rb
index 101fe579da2..9c71d6c7f4c 100644
--- a/app/helpers/auth_helper.rb
+++ b/app/helpers/auth_helper.rb
@@ -64,18 +64,6 @@ module AuthHelper
     current_user.identities.exists?(provider: provider.to_s)
   end
 
-  def two_factor_skippable?
-    current_application_settings.require_two_factor_authentication &&
-      !current_user.two_factor_enabled? &&
-      current_application_settings.two_factor_grace_period &&
-      !two_factor_grace_period_expired?
-  end
-
-  def two_factor_grace_period_expired?
-    current_user.otp_grace_period_started_at &&
-      (current_user.otp_grace_period_started_at + current_application_settings.two_factor_grace_period.hours) < Time.current
-  end
-
   def unlink_allowed?(provider)
     %w(saml cas3).exclude?(provider.to_s)
   end
diff --git a/app/helpers/blob_helper.rb b/app/helpers/blob_helper.rb
index 8631bc54509..91d6d1852cf 100644
--- a/app/helpers/blob_helper.rb
+++ b/app/helpers/blob_helper.rb
@@ -8,31 +8,36 @@ module BlobHelper
     %w(credits changelog news copying copyright license authors)
   end
 
-  def edit_blob_link(project = @project, ref = @ref, path = @path, options = {})
-    return unless current_user
+  def edit_path(project = @project, ref = @ref, path = @path, options = {})
+    namespace_project_edit_blob_path(project.namespace, project,
+                                     tree_join(ref, path),
+                                     options[:link_opts])
+  end
 
+  def fork_path(project = @project, ref = @ref, path = @path, options = {})
+    continue_params = {
+      to: edit_path,
+      notice: edit_in_new_fork_notice,
+      notice_now: edit_in_new_fork_notice_now
+    }
+    namespace_project_forks_path(project.namespace, project, namespace_key: current_user.namespace.id, continue: continue_params)
+  end
+
+  def edit_blob_link(project = @project, ref = @ref, path = @path, options = {})
     blob = options.delete(:blob)
     blob ||= project.repository.blob_at(ref, path) rescue nil
 
     return unless blob
 
-    edit_path = namespace_project_edit_blob_path(project.namespace, project,
-                                     tree_join(ref, path),
-                                     options[:link_opts])
+    common_classes = "btn js-edit-blob #{options[:extra_class]}"
 
     if !on_top_of_branch?(project, ref)
-      button_tag "Edit", class: "btn disabled has-tooltip", title: "You can only edit files when you are on a branch", data: { container: 'body' }
-    elsif can_edit_blob?(blob, project, ref)
-      link_to "Edit", edit_path, class: 'btn btn-sm'
-    elsif can?(current_user, :fork_project, project)
-      continue_params = {
-        to:     edit_path,
-        notice: edit_in_new_fork_notice,
-        notice_now: edit_in_new_fork_notice_now
-      }
-      fork_path = namespace_project_forks_path(project.namespace, project, namespace_key: current_user.namespace.id, continue: continue_params)
-
-      link_to "Edit", fork_path, class: 'btn', method: :post
+      button_tag 'Edit', class: "#{common_classes} disabled has-tooltip", title: "You can only edit files when you are on a branch", data: { container: 'body' }
+    # This condition applies to anonymous or users who can edit directly
+    elsif !current_user || (current_user && can_edit_blob?(blob, project, ref))
+      link_to 'Edit', edit_path(project, ref, path, options), class: "#{common_classes} btn-sm"
+    elsif current_user && can?(current_user, :fork_project, project)
+      button_tag 'Edit', class: "#{common_classes} js-edit-blob-link-fork-toggler"
     end
   end
 
diff --git a/app/helpers/dropdowns_helper.rb b/app/helpers/dropdowns_helper.rb
index 81e0b6bb5ae..8ed99642c7a 100644
--- a/app/helpers/dropdowns_helper.rb
+++ b/app/helpers/dropdowns_helper.rb
@@ -1,6 +1,6 @@
 module DropdownsHelper
   def dropdown_tag(toggle_text, options: {}, &block)
-    content_tag :div, class: "dropdown" do
+    content_tag :div, class: "dropdown #{options[:wrapper_class] if options.has_key?(:wrapper_class)}" do
       data_attr = { toggle: "dropdown" }
 
       if options.has_key?(:data)
@@ -20,7 +20,7 @@ module DropdownsHelper
           output << dropdown_filter(options[:placeholder])
         end
 
-        output << content_tag(:div, class: "dropdown-content") do
+        output << content_tag(:div, class: "dropdown-content #{options[:content_class] if options.has_key?(:content_class)}") do
           capture(&block) if block && !options.has_key?(:footer_content)
         end
 
diff --git a/app/models/award_emoji.rb b/app/models/award_emoji.rb
index 6937ad3bdd9..6ada6fae4eb 100644
--- a/app/models/award_emoji.rb
+++ b/app/models/award_emoji.rb
@@ -3,13 +3,14 @@ class AwardEmoji < ActiveRecord::Base
   UPVOTE_NAME   = "thumbsup".freeze
 
   include Participable
+  include GhostUser
 
   belongs_to :awardable, polymorphic: true
   belongs_to :user
 
   validates :awardable, :user, presence: true
   validates :name, presence: true, inclusion: { in: Gitlab::Emoji.emojis_names }
-  validates :name, uniqueness: { scope: [:user, :awardable_type, :awardable_id] }
+  validates :name, uniqueness: { scope: [:user, :awardable_type, :awardable_id] }, unless: :ghost_user?
 
   participant :user
 
diff --git a/app/models/ci/build.rb b/app/models/ci/build.rb
index 8431c5f228c..70470414bc4 100644
--- a/app/models/ci/build.rb
+++ b/app/models/ci/build.rb
@@ -171,19 +171,6 @@ module Ci
       latest_builds.where('stage_idx < ?', stage_idx)
     end
 
-    def trace_html(**args)
-      trace_with_state(**args)[:html] || ''
-    end
-
-    def trace_with_state(state: nil, last_lines: nil)
-      trace_ansi = trace(last_lines: last_lines)
-      if trace_ansi.present?
-        Ci::Ansi2html.convert(trace_ansi, state)
-      else
-        {}
-      end
-    end
-
     def timeout
       project.build_timeout
     end
@@ -244,136 +231,35 @@ module Ci
     end
 
     def update_coverage
-      coverage = extract_coverage(trace, coverage_regex)
+      coverage = trace.extract_coverage(coverage_regex)
       update_attributes(coverage: coverage) if coverage.present?
     end
 
-    def extract_coverage(text, regex)
-      return unless regex
-
-      matches = text.scan(Regexp.new(regex)).last
-      matches = matches.last if matches.is_a?(Array)
-      coverage = matches.gsub(/\d+(\.\d+)?/).first
-
-      if coverage.present?
-        coverage.to_f
-      end
-    rescue
-      # if bad regex or something goes wrong we dont want to interrupt transition
-      # so we just silentrly ignore error for now
-    end
-
-    def has_trace_file?
-      File.exist?(path_to_trace) || has_old_trace_file?
+    def trace
+      Gitlab::Ci::Trace.new(self)
     end
 
     def has_trace?
-      raw_trace.present?
+      trace.exist?
     end
 
-    def raw_trace(last_lines: nil)
-      if File.exist?(trace_file_path)
-        Gitlab::Ci::TraceReader.new(trace_file_path).
-          read(last_lines: last_lines)
-      else
-        # backward compatibility
-        read_attribute :trace
-      end
+    def trace=(data)
+      raise NotImplementedError
     end
 
-    ##
-    # Deprecated
-    #
-    # This is a hotfix for CI build data integrity, see #4246
-    def has_old_trace_file?
-      project.ci_id && File.exist?(old_path_to_trace)
-    end
-
-    def trace(last_lines: nil)
-      hide_secrets(raw_trace(last_lines: last_lines))
+    def old_trace
+      read_attribute(:trace)
     end
 
-    def trace_length
-      if raw_trace
-        raw_trace.bytesize
-      else
-        0
-      end
-    end
-
-    def trace=(trace)
-      recreate_trace_dir
-      trace = hide_secrets(trace)
-      File.write(path_to_trace, trace)
-    end
-
-    def recreate_trace_dir
-      unless Dir.exist?(dir_to_trace)
-        FileUtils.mkdir_p(dir_to_trace)
-      end
-    end
-    private :recreate_trace_dir
-
-    def append_trace(trace_part, offset)
-      recreate_trace_dir
-      touch if needs_touch?
-
-      trace_part = hide_secrets(trace_part)
-
-      File.truncate(path_to_trace, offset) if File.exist?(path_to_trace)
-      File.open(path_to_trace, 'ab') do |f|
-        f.write(trace_part)
-      end
+    def erase_old_trace!
+      write_attribute(:trace, nil)
+      save
     end
 
     def needs_touch?
       Time.now - updated_at > 15.minutes.to_i
     end
 
-    def trace_file_path
-      if has_old_trace_file?
-        old_path_to_trace
-      else
-        path_to_trace
-      end
-    end
-
-    def dir_to_trace
-      File.join(
-        Settings.gitlab_ci.builds_path,
-        created_at.utc.strftime("%Y_%m"),
-        project.id.to_s
-      )
-    end
-
-    def path_to_trace
-      "#{dir_to_trace}/#{id}.log"
-    end
-
-    ##
-    # Deprecated
-    #
-    # This is a hotfix for CI build data integrity, see #4246
-    # Should be removed in 8.4, after CI files migration has been done.
-    #
-    def old_dir_to_trace
-      File.join(
-        Settings.gitlab_ci.builds_path,
-        created_at.utc.strftime("%Y_%m"),
-        project.ci_id.to_s
-      )
-    end
-
-    ##
-    # Deprecated
-    #
-    # This is a hotfix for CI build data integrity, see #4246
-    # Should be removed in 8.4, after CI files migration has been done.
-    #
-    def old_path_to_trace
-      "#{old_dir_to_trace}/#{id}.log"
-    end
-
     ##
     # Deprecated
     #
@@ -555,6 +441,15 @@ module Ci
       options[:dependencies]&.empty?
     end
 
+    def hide_secrets(trace)
+      return unless trace
+
+      trace = trace.dup
+      Ci::MaskSecret.mask!(trace, project.runners_token) if project
+      Ci::MaskSecret.mask!(trace, token)
+      trace
+    end
+
     private
 
     def update_artifacts_size
@@ -566,7 +461,7 @@ module Ci
     end
 
     def erase_trace!
-      self.trace = nil
+      trace.erase!
     end
 
     def update_erased!(user = nil)
@@ -628,15 +523,6 @@ module Ci
       pipeline.config_processor.build_attributes(name)
     end
 
-    def hide_secrets(trace)
-      return unless trace
-
-      trace = trace.dup
-      Ci::MaskSecret.mask!(trace, project.runners_token) if project
-      Ci::MaskSecret.mask!(trace, token)
-      trace
-    end
-
     def update_project_statistics
       return unless project
 
diff --git a/app/models/ci/trigger.rb b/app/models/ci/trigger.rb
index cba1d81a861..0a89f3e0640 100644
--- a/app/models/ci/trigger.rb
+++ b/app/models/ci/trigger.rb
@@ -8,6 +8,7 @@ module Ci
     belongs_to :owner, class_name: "User"
 
     has_many :trigger_requests, dependent: :destroy
+    has_one :trigger_schedule, dependent: :destroy
 
     validates :token, presence: true, uniqueness: true
 
diff --git a/app/models/ci/trigger_schedule.rb b/app/models/ci/trigger_schedule.rb
new file mode 100644
index 00000000000..10ea381ee31
--- /dev/null
+++ b/app/models/ci/trigger_schedule.rb
@@ -0,0 +1,30 @@
+module Ci
+  class TriggerSchedule < ActiveRecord::Base
+    extend Ci::Model
+    include Importable
+
+    acts_as_paranoid
+
+    belongs_to :project
+    belongs_to :trigger
+
+    delegate :ref, to: :trigger
+
+    validates :trigger, presence: { unless: :importing? }
+    validates :cron, cron: true, presence: { unless: :importing? }
+    validates :cron_timezone, cron_timezone: true, presence: { unless: :importing? }
+    validates :ref, presence: { unless: :importing? }
+
+    before_save :set_next_run_at
+
+    def set_next_run_at
+      self.next_run_at = Gitlab::Ci::CronParser.new(cron, cron_timezone).next_time_from(Time.now)
+    end
+
+    def schedule_next_run!
+      save! # with set_next_run_at
+    rescue ActiveRecord::RecordInvalid
+      update_attribute(:next_run_at, nil) # update without validation
+    end
+  end
+end
diff --git a/app/models/concerns/ghost_user.rb b/app/models/concerns/ghost_user.rb
new file mode 100644
index 00000000000..da696127a80
--- /dev/null
+++ b/app/models/concerns/ghost_user.rb
@@ -0,0 +1,7 @@
+module GhostUser
+  extend ActiveSupport::Concern
+
+  def ghost_user?
+    user && user.ghost?
+  end
+end
diff --git a/app/models/concerns/routable.rb b/app/models/concerns/routable.rb
index 529fb5ce988..aca99feee53 100644
--- a/app/models/concerns/routable.rb
+++ b/app/models/concerns/routable.rb
@@ -83,6 +83,74 @@ module Routable
                AND members.source_type = r2.source_type").
         where('members.user_id = ?', user_id)
     end
+
+    # Builds a relation to find multiple objects that are nested under user
+    # membership. Includes the parent, as opposed to `#member_descendants`
+    # which only includes the descendants.
+    #
+    # Usage:
+    #
+    #     Klass.member_self_and_descendants(1)
+    #
+    # Returns an ActiveRecord::Relation.
+    def member_self_and_descendants(user_id)
+      joins(:route).
+        joins("INNER JOIN routes r2 ON routes.path LIKE CONCAT(r2.path, '/%')
+               OR routes.path = r2.path
+               INNER JOIN members ON members.source_id = r2.source_id
+               AND members.source_type = r2.source_type").
+        where('members.user_id = ?', user_id)
+    end
+
+    # Returns all objects in a hierarchy, where any node in the hierarchy is
+    # under the user membership.
+    #
+    # Usage:
+    #
+    #     Klass.member_hierarchy(1)
+    #
+    # Examples:
+    #
+    #     Given the following group tree...
+    #
+    #            _______group_1_______
+    #           |                     |
+    #           |                     |
+    #     nested_group_1        nested_group_2
+    #           |                     |
+    #           |                     |
+    #     nested_group_1_1      nested_group_2_1
+    #
+    #
+    #     ... the following results are returned:
+    #
+    #     * the user is a member of group 1
+    #       => 'group_1',
+    #          'nested_group_1', nested_group_1_1',
+    #          'nested_group_2', 'nested_group_2_1'
+    #
+    #     * the user is a member of nested_group_2
+    #       => 'group1',
+    #          'nested_group_2', 'nested_group_2_1'
+    #
+    #     * the user is a member of nested_group_2_1
+    #       => 'group1',
+    #          'nested_group_2', 'nested_group_2_1'
+    #
+    # Returns an ActiveRecord::Relation.
+    def member_hierarchy(user_id)
+      paths = member_self_and_descendants(user_id).pluck('routes.path')
+
+      return none if paths.empty?
+
+      wheres = paths.map do |path|
+        "#{connection.quote(path)} = routes.path
+         OR
+         #{connection.quote(path)} LIKE CONCAT(routes.path, '/%')"
+      end
+
+      joins(:route).where(wheres.join(' OR '))
+    end
   end
 
   def full_name
diff --git a/app/models/container_repository.rb b/app/models/container_repository.rb
new file mode 100644
index 00000000000..9682df3a586
--- /dev/null
+++ b/app/models/container_repository.rb
@@ -0,0 +1,77 @@
+class ContainerRepository < ActiveRecord::Base
+  belongs_to :project
+
+  validates :name, length: { minimum: 0, allow_nil: false }
+  validates :name, uniqueness: { scope: :project_id }
+
+  delegate :client, to: :registry
+
+  before_destroy :delete_tags!
+
+  def registry
+    @registry ||= begin
+      token = Auth::ContainerRegistryAuthenticationService.full_access_token(path)
+
+      url = Gitlab.config.registry.api_url
+      host_port = Gitlab.config.registry.host_port
+
+      ContainerRegistry::Registry.new(url, token: token, path: host_port)
+    end
+  end
+
+  def path
+    @path ||= [project.full_path, name].select(&:present?).join('/')
+  end
+
+  def tag(tag)
+    ContainerRegistry::Tag.new(self, tag)
+  end
+
+  def manifest
+    @manifest ||= client.repository_tags(path)
+  end
+
+  def tags
+    return @tags if defined?(@tags)
+    return [] unless manifest && manifest['tags']
+
+    @tags = manifest['tags'].map do |tag|
+      ContainerRegistry::Tag.new(self, tag)
+    end
+  end
+
+  def blob(config)
+    ContainerRegistry::Blob.new(self, config)
+  end
+
+  def has_tags?
+    tags.any?
+  end
+
+  def root_repository?
+    name.empty?
+  end
+
+  def delete_tags!
+    return unless has_tags?
+
+    digests = tags.map { |tag| tag.digest }.to_set
+
+    digests.all? do |digest|
+      client.delete_repository_tag(self.path, digest)
+    end
+  end
+
+  def self.build_from_path(path)
+    self.new(project: path.repository_project,
+             name: path.repository_name)
+  end
+
+  def self.create_from_path!(path)
+    build_from_path(path).tap(&:save!)
+  end
+
+  def self.build_root_repository(project)
+    self.new(project: project, name: '')
+  end
+end
diff --git a/app/models/group.rb b/app/models/group.rb
index 60274386103..106084175ff 100644
--- a/app/models/group.rb
+++ b/app/models/group.rb
@@ -27,11 +27,14 @@ class Group < Namespace
 
   validates :avatar, file_size: { maximum: 200.kilobytes.to_i }
 
+  validates :two_factor_grace_period, presence: true, numericality: { greater_than_or_equal_to: 0 }
+
   mount_uploader :avatar, AvatarUploader
   has_many :uploads, as: :model, dependent: :destroy
 
   after_create :post_create_hook
   after_destroy :post_destroy_hook
+  after_save :update_two_factor_requirement
 
   class << self
     # Searches for groups matching the given query.
@@ -223,4 +226,12 @@ class Group < Namespace
       type: public? ? 'O' : 'I' # Open vs Invite-only
     }
   end
+
+  protected
+
+  def update_two_factor_requirement
+    return unless require_two_factor_authentication_changed? || two_factor_grace_period_changed?
+
+    users.find_each(&:update_two_factor_requirement)
+  end
 end
diff --git a/app/models/members/group_member.rb b/app/models/members/group_member.rb
index 446f9f8f8a7..483425cd30f 100644
--- a/app/models/members/group_member.rb
+++ b/app/models/members/group_member.rb
@@ -3,11 +3,16 @@ class GroupMember < Member
 
   belongs_to :group, foreign_key: 'source_id'
 
+  delegate :update_two_factor_requirement, to: :user
+
   # Make sure group member points only to group as it source
   default_value_for :source_type, SOURCE_TYPE
   validates :source_type, format: { with: /\ANamespace\z/ }
   default_scope { where(source_type: SOURCE_TYPE) }
 
+  after_create :update_two_factor_requirement, unless: :invite?
+  after_destroy :update_two_factor_requirement, unless: :invite?
+
   def self.access_level_roles
     Gitlab::Access.options_with_owner
   end
diff --git a/app/models/project.rb b/app/models/project.rb
index 1f95d00baf8..19835a72a75 100644
--- a/app/models/project.rb
+++ b/app/models/project.rb
@@ -116,6 +116,7 @@ class Project < ActiveRecord::Base
   has_one :mock_ci_service, dependent: :destroy
   has_one :mock_deployment_service, dependent: :destroy
   has_one :mock_monitoring_service, dependent: :destroy
+  has_one :microsoft_teams_service, dependent: :destroy
 
   has_one  :forked_project_link,  dependent: :destroy, foreign_key: "forked_to_project_id"
   has_one  :forked_from_project,  through:   :forked_project_link
@@ -159,6 +160,7 @@ class Project < ActiveRecord::Base
   has_one :import_data, dependent: :destroy, class_name: "ProjectImportData"
   has_one :project_feature, dependent: :destroy
   has_one :statistics, class_name: 'ProjectStatistics', dependent: :delete
+  has_many :container_repositories, dependent: :destroy
 
   has_many :commit_statuses, dependent: :destroy
   has_many :pipelines, dependent: :destroy, class_name: 'Ci::Pipeline'
@@ -406,32 +408,15 @@ class Project < ActiveRecord::Base
     @repository ||= Repository.new(path_with_namespace, self)
   end
 
-  def container_registry_path_with_namespace
-    path_with_namespace.downcase
-  end
-
-  def container_registry_repository
-    return unless Gitlab.config.registry.enabled
-
-    @container_registry_repository ||= begin
-      token = Auth::ContainerRegistryAuthenticationService.full_access_token(container_registry_path_with_namespace)
-      url = Gitlab.config.registry.api_url
-      host_port = Gitlab.config.registry.host_port
-      registry = ContainerRegistry::Registry.new(url, token: token, path: host_port)
-      registry.repository(container_registry_path_with_namespace)
-    end
-  end
-
-  def container_registry_repository_url
+  def container_registry_url
     if Gitlab.config.registry.enabled
-      "#{Gitlab.config.registry.host_port}/#{container_registry_path_with_namespace}"
+      "#{Gitlab.config.registry.host_port}/#{path_with_namespace.downcase}"
     end
   end
 
   def has_container_registry_tags?
-    return unless container_registry_repository
-
-    container_registry_repository.tags.any?
+    container_repositories.to_a.any?(&:has_tags?) ||
+      has_root_container_repository_tags?
   end
 
   def commit(ref = 'HEAD')
@@ -922,10 +907,10 @@ class Project < ActiveRecord::Base
     expire_caches_before_rename(old_path_with_namespace)
 
     if has_container_registry_tags?
-      Rails.logger.error "Project #{old_path_with_namespace} cannot be renamed because container registry tags are present"
+      Rails.logger.error "Project #{old_path_with_namespace} cannot be renamed because container registry tags are present!"
 
-      # we currently doesn't support renaming repository if it contains tags in container registry
-      raise StandardError.new('Project cannot be renamed, because tags are present in its container registry')
+      # we currently doesn't support renaming repository if it contains images in container registry
+      raise StandardError.new('Project cannot be renamed, because images are present in its container registry')
     end
 
     if gitlab_shell.mv_repository(repository_storage_path, old_path_with_namespace, new_path_with_namespace)
@@ -1115,10 +1100,6 @@ class Project < ActiveRecord::Base
     self.runners_token && ActiveSupport::SecurityUtils.variable_size_secure_compare(token, self.runners_token)
   end
 
-  def build_coverage_enabled?
-    build_coverage_regex.present?
-  end
-
   def build_timeout_in_minutes
     build_timeout / 60
   end
@@ -1272,7 +1253,7 @@ class Project < ActiveRecord::Base
     ]
 
     if container_registry_enabled?
-      variables << { key: 'CI_REGISTRY_IMAGE', value: container_registry_repository_url, public: true }
+      variables << { key: 'CI_REGISTRY_IMAGE', value: container_registry_url, public: true }
     end
 
     variables
@@ -1405,4 +1386,15 @@ class Project < ActiveRecord::Base
 
     Project.unscoped.where(pending_delete: true).find_by_full_path(path_with_namespace)
   end
+
+  ##
+  # This method is here because of support for legacy container repository
+  # which has exactly the same path like project does, but which might not be
+  # persisted in `container_repositories` table.
+  #
+  def has_root_container_repository_tags?
+    return false unless Gitlab.config.registry.enabled
+
+    ContainerRepository.build_root_repository(self).has_tags?
+  end
 end
diff --git a/app/models/project_services/chat_message/base_message.rb b/app/models/project_services/chat_message/base_message.rb
index 86d271a3f69..7621a5fa2d8 100644
--- a/app/models/project_services/chat_message/base_message.rb
+++ b/app/models/project_services/chat_message/base_message.rb
@@ -2,11 +2,23 @@ require 'slack-notifier'
 
 module ChatMessage
   class BaseMessage
+    attr_reader :markdown
+    attr_reader :user_name
+    attr_reader :user_avatar
+    attr_reader :project_name
+    attr_reader :project_url
+
     def initialize(params)
-      raise NotImplementedError
+      @markdown = params[:markdown] || false
+      @project_name = params.dig(:project, :path_with_namespace) || params[:project_name]
+      @project_url = params.dig(:project, :web_url) || params[:project_url]
+      @user_name = params.dig(:user, :username) || params[:user_name]
+      @user_avatar = params.dig(:user, :avatar_url) || params[:user_avatar]
     end
 
     def pretext
+      return message if markdown
+
       format(message)
     end
 
@@ -17,6 +29,10 @@ module ChatMessage
       raise NotImplementedError
     end
 
+    def activity
+      raise NotImplementedError
+    end
+
     private
 
     def message
diff --git a/app/models/project_services/chat_message/issue_message.rb b/app/models/project_services/chat_message/issue_message.rb
index 791e5b0cec7..4b9a2b1e1f3 100644
--- a/app/models/project_services/chat_message/issue_message.rb
+++ b/app/models/project_services/chat_message/issue_message.rb
@@ -1,9 +1,6 @@
 module ChatMessage
   class IssueMessage < BaseMessage
-    attr_reader :user_name
     attr_reader :title
-    attr_reader :project_name
-    attr_reader :project_url
     attr_reader :issue_iid
     attr_reader :issue_url
     attr_reader :action
@@ -11,9 +8,7 @@ module ChatMessage
     attr_reader :description
 
     def initialize(params)
-      @user_name = params[:user][:username]
-      @project_name = params[:project_name]
-      @project_url = params[:project_url]
+      super
 
       obj_attr = params[:object_attributes]
       obj_attr = HashWithIndifferentAccess.new(obj_attr)
@@ -27,15 +22,24 @@ module ChatMessage
 
     def attachments
       return [] unless opened_issue?
+      return description if markdown
 
       description_message
     end
 
+    def activity
+      {
+        title: "Issue #{state} by #{user_name}",
+        subtitle: "in #{project_link}",
+        text: issue_link,
+        image: user_avatar
+      }
+    end
+
     private
 
     def message
-      case state
-      when "opened"
+      if state == 'opened'
         "[#{project_link}] Issue #{state} by #{user_name}"
       else
         "[#{project_link}] Issue #{issue_link} #{state} by #{user_name}"
@@ -64,7 +68,7 @@ module ChatMessage
     end
 
     def issue_title
-      "##{issue_iid} #{title}"
+      "#{Issue.reference_prefix}#{issue_iid} #{title}"
     end
   end
 end
diff --git a/app/models/project_services/chat_message/merge_message.rb b/app/models/project_services/chat_message/merge_message.rb
index 5e5efca7bec..7d0de81cdf0 100644
--- a/app/models/project_services/chat_message/merge_message.rb
+++ b/app/models/project_services/chat_message/merge_message.rb
@@ -1,36 +1,36 @@
 module ChatMessage
   class MergeMessage < BaseMessage
-    attr_reader :user_name
-    attr_reader :project_name
-    attr_reader :project_url
-    attr_reader :merge_request_id
+    attr_reader :merge_request_iid
     attr_reader :source_branch
     attr_reader :target_branch
     attr_reader :state
     attr_reader :title
 
     def initialize(params)
-      @user_name = params[:user][:username]
-      @project_name = params[:project_name]
-      @project_url = params[:project_url]
+      super
 
       obj_attr = params[:object_attributes]
       obj_attr = HashWithIndifferentAccess.new(obj_attr)
-      @merge_request_id = obj_attr[:iid]
+      @merge_request_iid = obj_attr[:iid]
       @source_branch = obj_attr[:source_branch]
       @target_branch = obj_attr[:target_branch]
       @state = obj_attr[:state]
       @title = format_title(obj_attr[:title])
     end
 
-    def pretext
-      format(message)
-    end
-
     def attachments
       []
     end
 
+    def activity
+      {
+        title: "Merge Request #{state} by #{user_name}",
+        subtitle: "in #{project_link}",
+        text: merge_request_link,
+        image: user_avatar
+      }
+    end
+
     private
 
     def format_title(title)
@@ -50,11 +50,15 @@ module ChatMessage
     end
 
     def merge_request_link
-      link("merge request !#{merge_request_id}", merge_request_url)
+      link(merge_request_title, merge_request_url)
+    end
+
+    def merge_request_title
+      "#{MergeRequest.reference_prefix}#{merge_request_iid} #{title}"
     end
 
     def merge_request_url
-      "#{project_url}/merge_requests/#{merge_request_id}"
+      "#{project_url}/merge_requests/#{merge_request_iid}"
     end
   end
 end
diff --git a/app/models/project_services/chat_message/note_message.rb b/app/models/project_services/chat_message/note_message.rb
index 552113bac29..2da4c244229 100644
--- a/app/models/project_services/chat_message/note_message.rb
+++ b/app/models/project_services/chat_message/note_message.rb
@@ -1,70 +1,74 @@
 module ChatMessage
   class NoteMessage < BaseMessage
-    attr_reader :message
-    attr_reader :user_name
-    attr_reader :project_name
-    attr_reader :project_url
     attr_reader :note
     attr_reader :note_url
+    attr_reader :title
+    attr_reader :target
 
     def initialize(params)
-      params = HashWithIndifferentAccess.new(params)
-      @user_name = params[:user][:username]
-      @project_name = params[:project_name]
-      @project_url = params[:project_url]
+      super
 
+      params = HashWithIndifferentAccess.new(params)
       obj_attr = params[:object_attributes]
-      obj_attr = HashWithIndifferentAccess.new(obj_attr)
       @note = obj_attr[:note]
       @note_url = obj_attr[:url]
-      noteable_type = obj_attr[:noteable_type]
-
-      case noteable_type
-      when "Commit"
-        create_commit_note(HashWithIndifferentAccess.new(params[:commit]))
-      when "Issue"
-        create_issue_note(HashWithIndifferentAccess.new(params[:issue]))
-      when "MergeRequest"
-        create_merge_note(HashWithIndifferentAccess.new(params[:merge_request]))
-      when "Snippet"
-        create_snippet_note(HashWithIndifferentAccess.new(params[:snippet]))
-      end
+      @target, @title = case obj_attr[:noteable_type]
+                        when "Commit"
+                          create_commit_note(params[:commit])
+                        when "Issue"
+                          create_issue_note(params[:issue])
+                        when "MergeRequest"
+                          create_merge_note(params[:merge_request])
+                        when "Snippet"
+                          create_snippet_note(params[:snippet])
+                        end
     end
 
     def attachments
+      return note if markdown
+
       description_message
     end
 
+    def activity
+      {
+        title: "#{user_name} #{link('commented on ' + target, note_url)}",
+        subtitle: "in #{project_link}",
+        text: formatted_title,
+        image: user_avatar
+      }
+    end
+
     private
 
+    def message
+      "#{user_name} #{link('commented on ' + target, note_url)} in #{project_link}: *#{formatted_title}*"
+    end
+
     def format_title(title)
       title.lines.first.chomp
     end
 
-    def create_commit_note(commit)
-      commit_sha = commit[:id]
-      commit_sha = Commit.truncate_sha(commit_sha)
-      commented_on_message(
-        "commit #{commit_sha}",
-        format_title(commit[:message]))
+    def formatted_title
+      format_title(title)
     end
 
     def create_issue_note(issue)
-      commented_on_message(
-        "issue ##{issue[:iid]}",
-        format_title(issue[:title]))
+      ["issue #{Issue.reference_prefix}#{issue[:iid]}", issue[:title]]
+    end
+
+    def create_commit_note(commit)
+      commit_sha = Commit.truncate_sha(commit[:id])
+
+      ["commit #{commit_sha}", commit[:message]]
     end
 
     def create_merge_note(merge_request)
-      commented_on_message(
-        "merge request !#{merge_request[:iid]}",
-        format_title(merge_request[:title]))
+      ["merge request #{MergeRequest.reference_prefix}#{merge_request[:iid]}", merge_request[:title]]
     end
 
     def create_snippet_note(snippet)
-      commented_on_message(
-        "snippet ##{snippet[:id]}",
-        format_title(snippet[:title]))
+      ["snippet #{Snippet.reference_prefix}#{snippet[:id]}", snippet[:title]]
     end
 
     def description_message
@@ -74,9 +78,5 @@ module ChatMessage
     def project_link
       link(project_name, project_url)
     end
-
-    def commented_on_message(target, title)
-      @message = "#{user_name} #{link('commented on ' + target, note_url)} in #{project_link}: *#{title}*"
-    end
   end
 end
diff --git a/app/models/project_services/chat_message/pipeline_message.rb b/app/models/project_services/chat_message/pipeline_message.rb
index 210027565a8..4628d9b1a7b 100644
--- a/app/models/project_services/chat_message/pipeline_message.rb
+++ b/app/models/project_services/chat_message/pipeline_message.rb
@@ -1,19 +1,22 @@
 module ChatMessage
   class PipelineMessage < BaseMessage
-    attr_reader :ref_type, :ref, :status, :project_name, :project_url,
-                :user_name, :duration, :pipeline_id
+    attr_reader :ref_type
+    attr_reader :ref
+    attr_reader :status
+    attr_reader :duration
+    attr_reader :pipeline_id
 
     def initialize(data)
+      super
+
+      @user_name = data.dig(:user, :name) || 'API'
+
       pipeline_attributes = data[:object_attributes]
       @ref_type = pipeline_attributes[:tag] ? 'tag' : 'branch'
       @ref = pipeline_attributes[:ref]
       @status = pipeline_attributes[:status]
       @duration = pipeline_attributes[:duration]
       @pipeline_id = pipeline_attributes[:id]
-
-      @project_name = data[:project][:path_with_namespace]
-      @project_url = data[:project][:web_url]
-      @user_name = (data[:user] && data[:user][:name]) || 'API'
     end
 
     def pretext
@@ -25,17 +28,24 @@ module ChatMessage
     end
 
     def attachments
+      return message if markdown
+
       [{ text: format(message), color: attachment_color }]
     end
 
+    def activity
+      {
+        title: "Pipeline #{pipeline_link} of #{branch_link} #{ref_type} by #{user_name} #{humanized_status}",
+        subtitle: "in #{project_link}",
+        text: "in #{duration} #{time_measure}",
+        image: user_avatar || ''
+      }
+    end
+
     private
 
     def message
-      "#{project_link}: Pipeline #{pipeline_link} of #{branch_link} #{ref_type} by #{user_name} #{humanized_status} in #{duration} #{'second'.pluralize(duration)}"
-    end
-
-    def format(string)
-      Slack::Notifier::LinkFormatter.format(string)
+      "#{project_link}: Pipeline #{pipeline_link} of #{branch_link} #{ref_type} by #{user_name} #{humanized_status} in #{duration} #{time_measure}"
     end
 
     def humanized_status
@@ -74,5 +84,9 @@ module ChatMessage
     def pipeline_link
       "[##{pipeline_id}](#{pipeline_url})"
     end
+
+    def time_measure
+      'second'.pluralize(duration)
+    end
   end
 end
diff --git a/app/models/project_services/chat_message/push_message.rb b/app/models/project_services/chat_message/push_message.rb
index 2d73b71ec37..c52dd6ef8ef 100644
--- a/app/models/project_services/chat_message/push_message.rb
+++ b/app/models/project_services/chat_message/push_message.rb
@@ -3,33 +3,43 @@ module ChatMessage
     attr_reader :after
     attr_reader :before
     attr_reader :commits
-    attr_reader :project_name
-    attr_reader :project_url
     attr_reader :ref
     attr_reader :ref_type
-    attr_reader :user_name
 
     def initialize(params)
+      super
+
       @after = params[:after]
       @before = params[:before]
       @commits = params.fetch(:commits, [])
-      @project_name = params[:project_name]
-      @project_url = params[:project_url]
       @ref_type = Gitlab::Git.tag_ref?(params[:ref]) ? 'tag' : 'branch'
       @ref = Gitlab::Git.ref_name(params[:ref])
-      @user_name = params[:user_name]
-    end
-
-    def pretext
-      format(message)
     end
 
     def attachments
       return [] if new_branch? || removed_branch?
+      return commit_messages if markdown
 
       commit_message_attachments
     end
 
+    def activity
+      action = if new_branch?
+                 "created"
+               elsif removed_branch?
+                 "removed"
+               else
+                 "pushed to"
+               end
+
+      {
+        title: "#{user_name} #{action} #{ref_type}",
+        subtitle: "in #{project_link}",
+        text: compare_link,
+        image: user_avatar
+      }
+    end
+
     private
 
     def message
@@ -59,7 +69,7 @@ module ChatMessage
     end
 
     def commit_messages
-      commits.map { |commit| compose_commit_message(commit) }.join("\n")
+      commits.map { |commit| compose_commit_message(commit) }.join("\n\n")
     end
 
     def commit_message_attachments
diff --git a/app/models/project_services/chat_message/wiki_page_message.rb b/app/models/project_services/chat_message/wiki_page_message.rb
index 134083e4504..a139a8ee727 100644
--- a/app/models/project_services/chat_message/wiki_page_message.rb
+++ b/app/models/project_services/chat_message/wiki_page_message.rb
@@ -1,17 +1,12 @@
 module ChatMessage
   class WikiPageMessage < BaseMessage
-    attr_reader :user_name
     attr_reader :title
-    attr_reader :project_name
-    attr_reader :project_url
     attr_reader :wiki_page_url
     attr_reader :action
     attr_reader :description
 
     def initialize(params)
-      @user_name = params[:user][:username]
-      @project_name = params[:project_name]
-      @project_url = params[:project_url]
+      super
 
       obj_attr = params[:object_attributes]
       obj_attr = HashWithIndifferentAccess.new(obj_attr)
@@ -29,9 +24,20 @@ module ChatMessage
     end
 
     def attachments
+      return description if markdown
+
       description_message
     end
 
+    def activity
+      {
+        title: "#{user_name} #{action} #{wiki_page_link}",
+        subtitle: "in #{project_link}",
+        text: title,
+        image: user_avatar
+      }
+    end
+
     private
 
     def message
diff --git a/app/models/project_services/chat_notification_service.rb b/app/models/project_services/chat_notification_service.rb
index 75834103db5..fa782c6fbb7 100644
--- a/app/models/project_services/chat_notification_service.rb
+++ b/app/models/project_services/chat_notification_service.rb
@@ -49,10 +49,7 @@ class ChatNotificationService < Service
 
     object_kind = data[:object_kind]
 
-    data = data.merge(
-      project_url: project_url,
-      project_name: project_name
-    )
+    data = custom_data(data)
 
     # WebHook events often have an 'update' event that follows a 'open' or
     # 'close' action. Ignore update events for now to prevent duplicate
@@ -68,8 +65,7 @@ class ChatNotificationService < Service
     opts[:channel] = channel_name if channel_name
     opts[:username] = username if username
 
-    notifier = Slack::Notifier.new(webhook, opts)
-    notifier.ping(message.pretext, attachments: message.attachments, fallback: message.fallback)
+    return false unless notify(message, opts)
 
     true
   end
@@ -92,6 +88,18 @@ class ChatNotificationService < Service
 
   private
 
+  def notify(message, opts)
+    Slack::Notifier.new(webhook, opts).ping(
+      message.pretext,
+      attachments: message.attachments,
+      fallback: message.fallback
+    )
+  end
+
+  def custom_data(data)
+    data.merge(project_url: project_url, project_name: project_name)
+  end
+
   def get_message(object_kind, data)
     case object_kind
     when "push", "tag_push"
diff --git a/app/models/project_services/microsoft_teams_service.rb b/app/models/project_services/microsoft_teams_service.rb
new file mode 100644
index 00000000000..9b218fd81b4
--- /dev/null
+++ b/app/models/project_services/microsoft_teams_service.rb
@@ -0,0 +1,56 @@
+class MicrosoftTeamsService < ChatNotificationService
+  def title
+    'Microsoft Teams Notification'
+  end
+
+  def description
+    'Receive event notifications in Microsoft Teams'
+  end
+
+  def self.to_param
+    'microsoft_teams'
+  end
+
+  def help
+    'This service sends notifications about projects events to Microsoft Teams channels.<br />
+    To set up this service:
+    <ol>
+      <li><a href="https://msdn.microsoft.com/en-us/microsoft-teams/connectors">Getting started with 365 Office Connectors For Microsoft Teams</a>.</li>
+      <li>Paste the <strong>Webhook URL</strong> into the field below.</li>
+      <li>Select events below to enable notifications.</li>
+    </ol>'
+  end
+
+  def webhook_placeholder
+    'https://outlook.office.com/webhook/…'
+  end
+
+  def event_field(event)
+  end
+
+  def default_channel_placeholder
+  end
+
+  def default_fields
+    [
+      { type: 'text', name: 'webhook', placeholder: "e.g. #{webhook_placeholder}" },
+      { type: 'checkbox', name: 'notify_only_broken_pipelines' },
+      { type: 'checkbox', name: 'notify_only_default_branch' },
+    ]
+  end
+
+  private
+
+  def notify(message, opts)
+    MicrosoftTeams::Notifier.new(webhook).ping(
+      title: message.project_name,
+      pretext: message.pretext,
+      activity: message.activity,
+      attachments: message.attachments
+    )
+  end
+
+  def custom_data(data)
+    super(data).merge(markdown: true)
+  end
+end
diff --git a/app/models/repository.rb b/app/models/repository.rb
index dc1c1fab880..1293cb1d486 100644
--- a/app/models/repository.rb
+++ b/app/models/repository.rb
@@ -6,6 +6,8 @@ class Repository
 
   attr_accessor :path_with_namespace, :project
 
+  delegate :ref_name_for_sha, to: :raw_repository
+
   CommitError = Class.new(StandardError)
   CreateTreeError = Class.new(StandardError)
 
@@ -700,14 +702,6 @@ class Repository
     end
   end
 
-  def ref_name_for_sha(ref_path, sha)
-    args = %W(#{Gitlab.config.git.bin_path} for-each-ref --count=1 #{ref_path} --contains #{sha})
-
-    # Not found -> ["", 0]
-    # Found -> ["b8d95eb4969eefacb0a58f6a28f6803f8070e7b9 commit\trefs/environments/production/77\n", 0]
-    Gitlab::Popen.popen(args, path_to_repo).first.split.last
-  end
-
   def refs_contains_sha(ref_type, sha)
     args = %W(#{Gitlab.config.git.bin_path} #{ref_type} --contains #{sha})
     names = Gitlab::Popen.popen(args, path_to_repo).first
diff --git a/app/models/service.rb b/app/models/service.rb
index 5a0ec58d193..dc76bf925d3 100644
--- a/app/models/service.rb
+++ b/app/models/service.rb
@@ -237,6 +237,7 @@ class Service < ActiveRecord::Base
       slack_slash_commands
       slack
       teamcity
+      microsoft_teams
     ]
     if Rails.env.development?
       service_names += %w[mock_ci mock_deployment mock_monitoring]
diff --git a/app/models/user.rb b/app/models/user.rb
index 95a766f2ede..87eeee204f8 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -89,7 +89,8 @@ class User < ActiveRecord::Base
   has_many :subscriptions,            dependent: :destroy
   has_many :recent_events, -> { order "id DESC" }, foreign_key: :author_id,   class_name: "Event"
   has_many :oauth_applications, class_name: 'Doorkeeper::Application', as: :owner, dependent: :destroy
-  has_one  :abuse_report,             dependent: :destroy
+  has_one  :abuse_report,             dependent: :destroy, foreign_key: :user_id
+  has_many :reported_abuse_reports,   dependent: :destroy, foreign_key: :reporter_id, class_name: "AbuseReport"
   has_many :spam_logs,                dependent: :destroy
   has_many :builds,                   dependent: :nullify, class_name: 'Ci::Build'
   has_many :pipelines,                dependent: :nullify, class_name: 'Ci::Pipeline'
@@ -484,6 +485,14 @@ class User < ActiveRecord::Base
     Group.member_descendants(id)
   end
 
+  def all_expanded_groups
+    Group.member_hierarchy(id)
+  end
+
+  def expanded_groups_requiring_two_factor_authentication
+    all_expanded_groups.where(require_two_factor_authentication: true)
+  end
+
   def nested_groups_projects
     Project.joins(:namespace).where('namespaces.parent_id IS NOT NULL').
       member_descendants(id)
@@ -955,6 +964,15 @@ class User < ActiveRecord::Base
     self.admin = (new_level == 'admin')
   end
 
+  def update_two_factor_requirement
+    periods = expanded_groups_requiring_two_factor_authentication.pluck(:two_factor_grace_period)
+
+    self.require_two_factor_authentication_from_group = periods.any?
+    self.two_factor_grace_period = periods.min || User.column_defaults['two_factor_grace_period']
+
+    save
+  end
+
   protected
 
   # override, from Devise::Validatable
diff --git a/app/services/auth/container_registry_authentication_service.rb b/app/services/auth/container_registry_authentication_service.rb
index db82b8f6c30..5e151b0f044 100644
--- a/app/services/auth/container_registry_authentication_service.rb
+++ b/app/services/auth/container_registry_authentication_service.rb
@@ -17,6 +17,7 @@ module Auth
     end
 
     def self.full_access_token(*names)
+      names = names.flatten
       registry = Gitlab.config.registry
       token = JSONWebToken::RSAToken.new(registry.key)
       token.issuer = registry.issuer
@@ -37,13 +38,13 @@ module Auth
     private
 
     def authorized_token(*accesses)
-      token = JSONWebToken::RSAToken.new(registry.key)
-      token.issuer = registry.issuer
-      token.audience = params[:service]
-      token.subject = current_user.try(:username)
-      token.expire_time = self.class.token_expire_at
-      token[:access] = accesses.compact
-      token
+      JSONWebToken::RSAToken.new(registry.key).tap do |token|
+        token.issuer = registry.issuer
+        token.audience = params[:service]
+        token.subject = current_user.try(:username)
+        token.expire_time = self.class.token_expire_at
+        token[:access] = accesses.compact
+      end
     end
 
     def scope
@@ -55,20 +56,43 @@ module Auth
     def process_scope(scope)
       type, name, actions = scope.split(':', 3)
       actions = actions.split(',')
+      path = ContainerRegistry::Path.new(name)
+
       return unless type == 'repository'
 
-      process_repository_access(type, name, actions)
+      process_repository_access(type, path, actions)
     end
 
-    def process_repository_access(type, name, actions)
-      requested_project = Project.find_by_full_path(name)
+    def process_repository_access(type, path, actions)
+      return unless path.valid?
+
+      requested_project = path.repository_project
+
       return unless requested_project
 
       actions = actions.select do |action|
         can_access?(requested_project, action)
       end
 
-      { type: type, name: name, actions: actions } if actions.present?
+      return unless actions.present?
+
+      # At this point user/build is already authenticated.
+      #
+      ensure_container_repository!(path, actions)
+
+      { type: type, name: path.to_s, actions: actions }
+    end
+
+    ##
+    # Because we do not have two way communication with registry yet,
+    # we create a container repository image resource when push to the
+    # registry is successfuly authorized.
+    #
+    def ensure_container_repository!(path, actions)
+      return if path.has_repository?
+      return unless actions.include?('push')
+
+      ContainerRepository.create_from_path!(path)
     end
 
     def can_access?(requested_project, requested_action)
@@ -101,6 +125,11 @@ module Auth
         can?(current_user, :read_container_image, requested_project)
     end
 
+    ##
+    # We still support legacy pipeline triggers which do not have associated
+    # actor. New permissions model and new triggers are always associated with
+    # an actor, so this should be improved in 10.0 version of GitLab.
+    #
     def build_can_push?(requested_project)
       # Build can push only to the project from which it originates
       has_authentication_ability?(:build_create_container_image) &&
@@ -113,14 +142,11 @@ module Auth
     end
 
     def error(code, status:, message: '')
-      {
-        errors: [{ code: code, message: message }],
-        http_status: status
-      }
+      { errors: [{ code: code, message: message }], http_status: status }
     end
 
     def has_authentication_ability?(capability)
-      (@authentication_abilities || []).include?(capability)
+      @authentication_abilities.to_a.include?(capability)
     end
   end
 end
diff --git a/app/services/projects/destroy_service.rb b/app/services/projects/destroy_service.rb
index a7142d5950e..06d8d143231 100644
--- a/app/services/projects/destroy_service.rb
+++ b/app/services/projects/destroy_service.rb
@@ -31,16 +31,16 @@ module Projects
         project.team.truncate
         project.destroy!
 
-        unless remove_registry_tags
-          raise_error('Failed to remove project container registry. Please try again or contact administrator')
+        unless remove_legacy_registry_tags
+          raise_error('Failed to remove some tags in project container registry. Please try again or contact administrator.')
         end
 
         unless remove_repository(repo_path)
-          raise_error('Failed to remove project repository. Please try again or contact administrator')
+          raise_error('Failed to remove project repository. Please try again or contact administrator.')
         end
 
         unless remove_repository(wiki_path)
-          raise_error('Failed to remove wiki repository. Please try again or contact administrator')
+          raise_error('Failed to remove wiki repository. Please try again or contact administrator.')
         end
       end
 
@@ -68,10 +68,16 @@ module Projects
       end
     end
 
-    def remove_registry_tags
+    ##
+    # This method makes sure that we correctly remove registry tags
+    # for legacy image repository (when repository path equals project path).
+    #
+    def remove_legacy_registry_tags
       return true unless Gitlab.config.registry.enabled
 
-      project.container_registry_repository.delete_tags
+      ContainerRepository.build_root_repository(project).tap do |repository|
+        return repository.has_tags? ? repository.delete_tags! : true
+      end
     end
 
     def raise_error(message)
diff --git a/app/services/users/destroy_service.rb b/app/services/users/destroy_service.rb
index a3b32a71a64..ba58b174cc0 100644
--- a/app/services/users/destroy_service.rb
+++ b/app/services/users/destroy_service.rb
@@ -26,7 +26,7 @@ module Users
         ::Projects::DestroyService.new(project, current_user, skip_repo: true).execute
       end
 
-      move_issues_to_ghost_user(user)
+      MigrateToGhostUserService.new(user).execute
 
       # Destroy the namespace after destroying the user since certain methods may depend on the namespace existing
       namespace = user.namespace
@@ -35,22 +35,5 @@ module Users
 
       user_data
     end
-
-    private
-
-    def move_issues_to_ghost_user(user)
-      # Block the user before moving issues to prevent a data race.
-      # If the user creates an issue after `move_issues_to_ghost_user`
-      # runs and before the user is destroyed, the destroy will fail with
-      # an exception. We block the user so that issues can't be created
-      # after `move_issues_to_ghost_user` runs and before the destroy happens.
-      user.block
-
-      ghost_user = User.ghost
-
-      user.issues.update_all(author_id: ghost_user.id)
-
-      user.reload
-    end
   end
 end
diff --git a/app/services/users/migrate_to_ghost_user_service.rb b/app/services/users/migrate_to_ghost_user_service.rb
new file mode 100644
index 00000000000..1e1ed1791ec
--- /dev/null
+++ b/app/services/users/migrate_to_ghost_user_service.rb
@@ -0,0 +1,59 @@
+# When a user is destroyed, some of their associated records are
+# moved to a "Ghost User", to prevent these associated records from
+# being destroyed.
+#
+# For example, all the issues/MRs a user has created are _not_ destroyed
+# when the user is destroyed.
+module Users
+  class MigrateToGhostUserService
+    extend ActiveSupport::Concern
+
+    attr_reader :ghost_user, :user
+
+    def initialize(user)
+      @user = user
+    end
+
+    def execute
+      # Block the user before moving records to prevent a data race.
+      # For example, if the user creates an issue after `migrate_issues`
+      # runs and before the user is destroyed, the destroy will fail with
+      # an exception.
+      user.block
+
+      user.transaction do
+        @ghost_user = User.ghost
+
+        migrate_issues
+        migrate_merge_requests
+        migrate_notes
+        migrate_abuse_reports
+        migrate_award_emoji
+      end
+
+      user.reload
+    end
+
+    private
+
+    def migrate_issues
+      user.issues.update_all(author_id: ghost_user.id)
+    end
+
+    def migrate_merge_requests
+      user.merge_requests.update_all(author_id: ghost_user.id)
+    end
+
+    def migrate_notes
+      user.notes.update_all(author_id: ghost_user.id)
+    end
+
+    def migrate_abuse_reports
+      user.reported_abuse_reports.update_all(reporter_id: ghost_user.id)
+    end
+
+    def migrate_award_emoji
+      user.award_emoji.update_all(user_id: ghost_user.id)
+    end
+  end
+end
diff --git a/app/validators/cron_timezone_validator.rb b/app/validators/cron_timezone_validator.rb
new file mode 100644
index 00000000000..542c7d006ad
--- /dev/null
+++ b/app/validators/cron_timezone_validator.rb
@@ -0,0 +1,9 @@
+# CronTimezoneValidator
+#
+# Custom validator for CronTimezone.
+class CronTimezoneValidator < ActiveModel::EachValidator
+  def validate_each(record, attribute, value)
+    cron_parser = Gitlab::Ci::CronParser.new(record.cron, record.cron_timezone)
+    record.errors.add(attribute, " is invalid syntax") unless cron_parser.cron_timezone_valid?
+  end
+end
diff --git a/app/validators/cron_validator.rb b/app/validators/cron_validator.rb
new file mode 100644
index 00000000000..981fade47a6
--- /dev/null
+++ b/app/validators/cron_validator.rb
@@ -0,0 +1,9 @@
+# CronValidator
+#
+# Custom validator for Cron.
+class CronValidator < ActiveModel::EachValidator
+  def validate_each(record, attribute, value)
+    cron_parser = Gitlab::Ci::CronParser.new(record.cron, record.cron_timezone)
+    record.errors.add(attribute, " is invalid syntax") unless cron_parser.cron_valid?
+  end
+end
diff --git a/app/views/admin/groups/_form.html.haml b/app/views/admin/groups/_form.html.haml
index 589f4557b52..d9f05003904 100644
--- a/app/views/admin/groups/_form.html.haml
+++ b/app/views/admin/groups/_form.html.haml
@@ -13,7 +13,7 @@
     .col-sm-offset-2.col-sm-10
       = render 'shared/allow_request_access', form: f
 
-  = render 'groups/group_lfs_settings', f: f
+  = render 'groups/group_admin_settings', f: f
 
   - if @group.new_record?
     .form-group
diff --git a/app/views/award_emoji/_awards_block.html.haml b/app/views/award_emoji/_awards_block.html.haml
index 5aae410a63f..3ca45fbf751 100644
--- a/app/views/award_emoji/_awards_block.html.haml
+++ b/app/views/award_emoji/_awards_block.html.haml
@@ -13,5 +13,7 @@
       %button.btn.award-control.has-tooltip.js-add-award{ type: 'button',
         'aria-label': 'Add emoji',
         data: { title: 'Add emoji', placement: "bottom" } }
-        = icon('smile-o', class: "award-control-icon award-control-icon-normal")
+        %span{ class: "award-control-icon award-control-icon-neutral" }= custom_icon('emoji_slightly_smiling_face')
+        %span{ class: "award-control-icon award-control-icon-positive" }= custom_icon('emoji_smiley')
+        %span{ class: "award-control-icon award-control-icon-super-positive" }= custom_icon('emoji_smile')
         = icon('spinner spin', class: "award-control-icon award-control-icon-loading")
diff --git a/app/views/events/_event.html.haml b/app/views/events/_event.html.haml
index a0bd14df209..53a33adc14d 100644
--- a/app/views/events/_event.html.haml
+++ b/app/views/events/_event.html.haml
@@ -3,8 +3,6 @@
     .event-item-timestamp
       #{time_ago_with_tooltip(event.created_at)}
 
-    = author_avatar(event, size: 40)
-
     - if event.created_project?
       = render "events/event/created_project", event: event
     - elsif event.push?
diff --git a/app/views/events/event/_common.html.haml b/app/views/events/event/_common.html.haml
index 2fb6b5647da..2a98e58a03a 100644
--- a/app/views/events/event/_common.html.haml
+++ b/app/views/events/event/_common.html.haml
@@ -1,5 +1,15 @@
+- if event.target
+  - if event.action_name == "opened"
+    .profile-icon.open-icon
+      = custom_icon("icon_status_open")
+  - elsif event.action_name == "closed"
+    .profile-icon.closed-icon
+      = custom_icon("icon_status_closed")
+  - else
+    .profile-icon.fork-icon
+      = custom_icon("code_fork")
+
 .event-title
-  %span.author_name= link_to_author event
   %span{ class: event.action_name }
   - if event.target
     = event.action_name
diff --git a/app/views/events/event/_created_project.html.haml b/app/views/events/event/_created_project.html.haml
index 80cf2344fe1..340d8c61026 100644
--- a/app/views/events/event/_created_project.html.haml
+++ b/app/views/events/event/_created_project.html.haml
@@ -1,5 +1,7 @@
+.profile-icon.open-icon
+  = custom_icon("icon_status_open")
+
 .event-title
-  %span.author_name= link_to_author event
   %span{ class: event.action_name }
     = event_action_name(event)
 
diff --git a/app/views/events/event/_note.html.haml b/app/views/events/event/_note.html.haml
index 64b5a733b77..603bed6d705 100644
--- a/app/views/events/event/_note.html.haml
+++ b/app/views/events/event/_note.html.haml
@@ -1,5 +1,7 @@
+.profile-icon
+  = custom_icon("comment_o")
+
 .event-title
-  %span.author_name= link_to_author event
   = event.action_name
   = event_note_title_html(event)
 
diff --git a/app/views/events/event/_push.html.haml b/app/views/events/event/_push.html.haml
index efd13aabf20..1583f380737 100644
--- a/app/views/events/event/_push.html.haml
+++ b/app/views/events/event/_push.html.haml
@@ -1,7 +1,12 @@
 - project = event.project
 
+.profile-icon
+  - if event.action_name == "deleted"
+    = custom_icon("trash_o")
+  - else
+    = custom_icon("icon_commit")
+
 .event-title
-  %span.author_name= link_to_author event
   %span.pushed #{event.action_name} #{event.ref_type}
   %strong
     - commits_link = namespace_project_commits_path(project.namespace, project, event.ref_name)
@@ -48,4 +53,3 @@
     .event-body
       %ul.well-list.event_commits
         = render "events/commit", commit: last_commit, project: project, event: event
-
diff --git a/app/views/groups/_group_admin_settings.html.haml b/app/views/groups/_group_admin_settings.html.haml
new file mode 100644
index 00000000000..2ace1e2dd1e
--- /dev/null
+++ b/app/views/groups/_group_admin_settings.html.haml
@@ -0,0 +1,28 @@
+- if current_user.admin?
+  .form-group
+    = f.label :lfs_enabled, 'Large File Storage', class: 'control-label'
+    .col-sm-10
+      .checkbox
+        = f.label :lfs_enabled do
+          = f.check_box :lfs_enabled, checked: @group.lfs_enabled?
+          %strong
+            Allow projects within this group to use Git LFS
+            = link_to icon('question-circle'), help_page_path('workflow/lfs/manage_large_binaries_with_git_lfs')
+          %br/
+          %span.descr This setting can be overridden in each project.
+
+- if can? current_user, :admin_group, @group
+  .form-group
+    = f.label :require_two_factor_authentication, 'Two-factor authentication', class: 'control-label col-sm-2'
+    .col-sm-10
+      .checkbox
+        = f.label :require_two_factor_authentication do
+          = f.check_box :require_two_factor_authentication
+          %strong
+            Require all users in this group to setup Two-factor authentication
+            = link_to icon('question-circle'), help_page_path('security/two_factor_authentication', anchor: 'enforcing-2fa-for-all-users-in-a-group')
+  .form-group
+    .col-sm-offset-2.col-sm-10
+      .checkbox
+        = f.text_field :two_factor_grace_period, class: 'form-control'
+        .help-block Amount of time (in hours) that users are allowed to skip forced configuration of two-factor authentication
diff --git a/app/views/groups/_group_lfs_settings.html.haml b/app/views/groups/_group_lfs_settings.html.haml
deleted file mode 100644
index 3c622ca5c3c..00000000000
--- a/app/views/groups/_group_lfs_settings.html.haml
+++ /dev/null
@@ -1,11 +0,0 @@
-- if current_user.admin?
-  .form-group
-    .col-sm-offset-2.col-sm-10
-      .checkbox
-        = f.label :lfs_enabled do
-          = f.check_box :lfs_enabled, checked: @group.lfs_enabled?
-          %strong
-            Allow projects within this group to use Git LFS
-            = link_to icon('question-circle'), help_page_path('workflow/lfs/manage_large_binaries_with_git_lfs')
-          %br/
-          %span.descr This setting can be overridden in each project.
diff --git a/app/views/groups/edit.html.haml b/app/views/groups/edit.html.haml
index 80a77dab97f..00ff40224ba 100644
--- a/app/views/groups/edit.html.haml
+++ b/app/views/groups/edit.html.haml
@@ -27,7 +27,7 @@
         .col-sm-offset-2.col-sm-10
           = render 'shared/allow_request_access', form: f
 
-      = render 'group_lfs_settings', f: f
+      = render 'group_admin_settings', f: f
 
       .form-group
         %hr
diff --git a/app/views/notify/pipeline_failed_email.html.haml b/app/views/notify/pipeline_failed_email.html.haml
index 4beb6fcee5d..a83faa839df 100644
--- a/app/views/notify/pipeline_failed_email.html.haml
+++ b/app/views/notify/pipeline_failed_email.html.haml
@@ -137,6 +137,6 @@
             - if build.has_trace?
               %td{ colspan: "2", style: "font-family:'Helvetica Neue',Helvetica,Arial,sans-serif;padding:0 0 15px;" }
                 %pre{ style: "font-family:Monaco,'Lucida Console','Courier New',Courier,monospace;background-color:#fafafa;border-radius:3px;overflow:hidden;white-space:pre-wrap;word-break:break-all;font-size:13px;line-height:1.4;padding:12px;color:#333333;margin:0;" }
-                  = build.trace_html(last_lines: 10).html_safe
+                  = build.trace.html(last_lines: 10).html_safe
             - else
               %td{ colspan: "2" }
diff --git a/app/views/notify/pipeline_failed_email.text.erb b/app/views/notify/pipeline_failed_email.text.erb
index c1a4ea40cf5..294238eee51 100644
--- a/app/views/notify/pipeline_failed_email.text.erb
+++ b/app/views/notify/pipeline_failed_email.text.erb
@@ -35,7 +35,7 @@ had <%= failed.size %> failed <%= 'build'.pluralize(failed.size) %>.
 Stage: <%= build.stage %>
 Name: <%= build.name %>
 <% if build.has_trace? -%>
-Trace: <%= build.trace_with_state(last_lines: 10)[:text] %>
+Trace: <%= build.trace.raw(last_lines: 10) %>
 <% end -%>
 
 <% end -%>
diff --git a/app/views/projects/blob/_blob.html.haml b/app/views/projects/blob/_blob.html.haml
index 2b2ee6ed987..aa9b852035e 100644
--- a/app/views/projects/blob/_blob.html.haml
+++ b/app/views/projects/blob/_blob.html.haml
@@ -25,4 +25,11 @@
 #blob-content-holder.blob-content-holder
   %article.file-holder
     = render "projects/blob/header", blob: blob
+    - if current_user
+      .js-file-fork-suggestion-section.file-fork-suggestion.hidden
+        %span.file-fork-suggestion-note
+          You don't have permission to edit this file. Try forking this project to edit the file.
+        = link_to 'Fork', fork_path, method: :post, class: 'btn btn-grouped btn-inverted btn-new'
+        %button.js-cancel-fork-suggestion.btn.btn-grouped{ type: 'button' }
+          Cancel
     = render blob.to_partial_path(@project), blob: blob
diff --git a/app/views/projects/blob/_header.html.haml b/app/views/projects/blob/_header.html.haml
index deeeae3d64a..6000e057ec4 100644
--- a/app/views/projects/blob/_header.html.haml
+++ b/app/views/projects/blob/_header.html.haml
@@ -32,8 +32,8 @@
       = link_to 'Permalink', namespace_project_blob_path(@project.namespace, @project,
           tree_join(@commit.sha, @path)), class: 'btn btn-sm js-data-file-blob-permalink-url'
 
-    - if current_user
-      .btn-group{ role: "group" }<
-        = edit_blob_link if blob_text_viewable?(blob)
+    .btn-group{ role: "group" }<
+      = edit_blob_link if blob_text_viewable?(blob)
+      - if current_user
         = replace_blob_link
         = delete_blob_link
diff --git a/app/views/projects/builds/_sidebar.html.haml b/app/views/projects/builds/_sidebar.html.haml
index 6f45d5b0689..f4a66398c85 100644
--- a/app/views/projects/builds/_sidebar.html.haml
+++ b/app/views/projects/builds/_sidebar.html.haml
@@ -68,7 +68,7 @@
         - elsif @build.runner
           \##{@build.runner.id}
       .btn-group.btn-group-justified{ role: :group }
-        - if @build.has_trace_file?
+        - if @build.has_trace?
           = link_to 'Raw', raw_namespace_project_build_path(@project.namespace, @project, @build), class: 'btn btn-sm btn-default'
         - if @build.active?
           = link_to "Cancel", cancel_namespace_project_build_path(@project.namespace, @project, @build), class: 'btn btn-sm btn-default', method: :post
diff --git a/app/views/projects/builds/_table.html.haml b/app/views/projects/builds/_table.html.haml
index acfdb250aff..82806f022ee 100644
--- a/app/views/projects/builds/_table.html.haml
+++ b/app/views/projects/builds/_table.html.haml
@@ -20,6 +20,6 @@
           %th Coverage
           %th
 
-      = render partial: "projects/ci/builds/build", collection: builds, as: :build, locals: { commit_sha: true, ref: true, pipeline_link: true, stage: true, allow_retry: true, coverage: admin || project.build_coverage_enabled?, admin: admin }
+      = render partial: "projects/ci/builds/build", collection: builds, as: :build, locals: { commit_sha: true, ref: true, pipeline_link: true, stage: true, allow_retry: true, admin: admin }
 
   = paginate builds, theme: 'gitlab'
diff --git a/app/views/projects/ci/builds/_build.html.haml b/app/views/projects/ci/builds/_build.html.haml
index aeed293a724..508465cbfb7 100644
--- a/app/views/projects/ci/builds/_build.html.haml
+++ b/app/views/projects/ci/builds/_build.html.haml
@@ -4,7 +4,6 @@
 - retried = local_assigns.fetch(:retried, false)
 - pipeline_link = local_assigns.fetch(:pipeline_link, false)
 - stage = local_assigns.fetch(:stage, false)
-- coverage = local_assigns.fetch(:coverage, false)
 - allow_retry = local_assigns.fetch(:allow_retry, false)
 
 %tr.build.commit{ class: ('retried' if retried) }
@@ -88,7 +87,7 @@
         %span= time_ago_with_tooltip(build.finished_at)
 
   %td.coverage
-    - if coverage && build.try(:coverage)
+    - if build.try(:coverage)
       #{build.coverage}%
 
   %td
diff --git a/app/views/projects/commit/_pipeline.html.haml b/app/views/projects/commit/_pipeline.html.haml
index c2b32a22170..3ee85723ebe 100644
--- a/app/views/projects/commit/_pipeline.html.haml
+++ b/app/views/projects/commit/_pipeline.html.haml
@@ -47,7 +47,6 @@
         %th Job ID
         %th Name
         %th
-        - if pipeline.project.build_coverage_enabled?
-          %th Coverage
+        %th Coverage
         %th
     = render partial: "projects/stage/stage", collection: pipeline.stages, as: :stage
diff --git a/app/views/projects/environments/_metrics_button.html.haml b/app/views/projects/environments/_metrics_button.html.haml
index e27281d6917..b4102fcf103 100644
--- a/app/views/projects/environments/_metrics_button.html.haml
+++ b/app/views/projects/environments/_metrics_button.html.haml
@@ -1,6 +1,6 @@
 - environment = local_assigns.fetch(:environment)
 
-- return unless environment.has_metrics? && can?(current_user, :read_environment, environment)
+- return unless can?(current_user, :read_environment, environment)
 
 = link_to environment_metrics_path(environment), title: 'See metrics', class: 'btn metrics-button' do
   = icon('area-chart')
diff --git a/app/views/projects/environments/metrics.html.haml b/app/views/projects/environments/metrics.html.haml
index 92dc58cd38d..2e54af698aa 100644
--- a/app/views/projects/environments/metrics.html.haml
+++ b/app/views/projects/environments/metrics.html.haml
@@ -5,7 +5,7 @@
   = page_specific_javascript_bundle_tag('monitoring')
 = render "projects/pipelines/head"
 
-%div{ class: container_class }
+.prometheus-container{ class: container_class, 'data-has-metrics': "#{@environment.has_metrics?}" }
   .top-area
     .row
       .col-sm-6
@@ -16,13 +16,68 @@
       .col-sm-6
         .nav-controls
           = render 'projects/deployments/actions', deployment: @environment.last_deployment
-  .row
-    .col-sm-12
-      %h4
-        CPU utilization
-      %svg.prometheus-graph{ 'graph-type' => 'cpu_values' }
-  .row
-    .col-sm-12
-      %h4
-        Memory usage
-      %svg.prometheus-graph{ 'graph-type' => 'memory_values' }
+  .prometheus-state
+    .js-getting-started.hidden
+      .row
+        .col-md-4.col-md-offset-4.state-svg
+          = render "shared/empty_states/monitoring/getting_started.svg"
+      .row
+        .col-md-6.col-md-offset-3
+          %h4.text-center.state-title
+            Get started with performance monitoring
+      .row
+        .col-md-6.col-md-offset-3
+          .description-text.text-center.state-description
+            Stay updated about the performance and health of your environment by configuring Prometheus to monitor your deployments.
+            = link_to help_page_path('administration/monitoring/prometheus/index.md') do
+              Learn more about performance monitoring
+      .row.state-button-section
+        .col-md-4.col-md-offset-4.text-center.state-button
+          = link_to edit_namespace_project_service_path(@project.namespace, @project, 'prometheus'), class: 'btn btn-success' do
+            Configure Prometheus
+    .js-loading.hidden
+      .row
+        .col-md-4.col-md-offset-4.state-svg
+          = render "shared/empty_states/monitoring/loading.svg"
+      .row
+        .col-md-6.col-md-offset-3
+          %h4.text-center.state-title
+            Waiting for performance data
+      .row
+        .col-md-6.col-md-offset-3
+          .description-text.text-center.state-description
+            Creating graphs uses the data from the Prometheus server. If this takes a long time, ensure that data is available.
+      .row.state-button-section
+        .col-md-4.col-md-offset-4.text-center.state-button
+          = link_to help_page_path('administration/monitoring/prometheus/index.md'), class: 'btn btn-success' do
+            View documentation
+    .js-unable-to-connect.hidden
+      .row
+        .col-md-4.col-md-offset-4.state-svg
+          = render "shared/empty_states/monitoring/unable_to_connect.svg"
+      .row
+        .col-md-6.col-md-offset-3
+          %h4.text-center.state-title
+            Unable to connect to Prometheus server
+      .row
+        .col-md-6.col-md-offset-3
+          .description-text.text-center.state-description
+            Ensure connectivity is available from the GitLab server to the
+            = link_to edit_namespace_project_service_path(@project.namespace, @project, 'prometheus') do
+              Prometheus server
+      .row.state-button-section
+        .col-md-4.col-md-offset-4.text-center.state-button
+          = link_to help_page_path('administration/monitoring/prometheus/index.md'), class:'btn btn-success' do
+            View documentation
+
+  .prometheus-graphs
+    .row
+      .col-sm-12
+        %h4
+          CPU utilization
+        %svg.prometheus-graph{ 'graph-type' => 'cpu_values' }
+    .row
+      .col-sm-12
+        %h4
+          Memory usage
+        %svg.prometheus-graph{ 'graph-type' => 'memory_values' }
diff --git a/app/views/projects/generic_commit_statuses/_generic_commit_status.html.haml b/app/views/projects/generic_commit_statuses/_generic_commit_status.html.haml
index 07fb80750d6..f458646522c 100644
--- a/app/views/projects/generic_commit_statuses/_generic_commit_status.html.haml
+++ b/app/views/projects/generic_commit_statuses/_generic_commit_status.html.haml
@@ -4,7 +4,6 @@
 - retried = local_assigns.fetch(:retried, false)
 - pipeline_link = local_assigns.fetch(:pipeline_link, false)
 - stage = local_assigns.fetch(:stage, false)
-- coverage = local_assigns.fetch(:coverage, false)
 
 %tr.generic_commit_status{ class: ('retried' if retried) }
   %td.status
@@ -80,7 +79,7 @@
         %span= time_ago_with_tooltip(generic_commit_status.finished_at)
 
   %td.coverage
-    - if coverage && generic_commit_status.try(:coverage)
+    - if generic_commit_status.try(:coverage)
       #{generic_commit_status.coverage}%
 
   %td
diff --git a/app/views/projects/notes/_note.html.haml b/app/views/projects/notes/_note.html.haml
index 097dd17c094..b1b1b66b7f2 100644
--- a/app/views/projects/notes/_note.html.haml
+++ b/app/views/projects/notes/_note.html.haml
@@ -59,7 +59,9 @@
               - if note.emoji_awardable?
                 = link_to '#', title: 'Award Emoji', class: 'note-action-button note-emoji-button js-add-award js-note-emoji', data: { position: 'right' } do
                   = icon('spinner spin')
-                  = icon('smile-o', class: 'link-highlight')
+                  %span{ class: "link-highlight award-control-icon-neutral" }= custom_icon('emoji_slightly_smiling_face')
+                  %span{ class: "link-highlight award-control-icon-positive" }= custom_icon('emoji_smiley')
+                  %span{ class: "link-highlight award-control-icon-super-positive" }= custom_icon('emoji_smile')
 
               - if note_editable
                 = link_to '#', title: 'Edit comment', class: 'note-action-button js-note-edit' do
diff --git a/app/views/projects/pipelines/_with_tabs.html.haml b/app/views/projects/pipelines/_with_tabs.html.haml
index 53067cdcba4..d7cefb8613e 100644
--- a/app/views/projects/pipelines/_with_tabs.html.haml
+++ b/app/views/projects/pipelines/_with_tabs.html.haml
@@ -36,7 +36,6 @@
             %th Job ID
             %th Name
             %th
-            - if pipeline.project.build_coverage_enabled?
-              %th Coverage
+            %th Coverage
             %th
         = render partial: "projects/stage/stage", collection: pipeline.stages, as: :stage
diff --git a/app/views/projects/registry/repositories/_image.html.haml b/app/views/projects/registry/repositories/_image.html.haml
new file mode 100644
index 00000000000..d183ce34a3a
--- /dev/null
+++ b/app/views/projects/registry/repositories/_image.html.haml
@@ -0,0 +1,32 @@
+.container-image.js-toggle-container
+  .container-image-head
+    = link_to "#", class: "js-toggle-button" do
+      = icon('chevron-down', 'aria-hidden': 'true')
+      = escape_once(image.path)
+
+    = clipboard_button(clipboard_text: "docker pull #{image.path}")
+
+    .controls.hidden-xs.pull-right
+      = link_to namespace_project_container_registry_path(@project.namespace, @project, image),
+                class: 'btn btn-remove has-tooltip',
+                title: 'Remove repository',
+                data: { confirm: 'Are you sure?' },
+                method: :delete do
+        = icon('trash cred', 'aria-hidden': 'true')
+
+  .container-image-tags.js-toggle-content.hide
+    - if image.has_tags?
+      .table-holder
+        %table.table.tags
+          %thead
+            %tr
+              %th Tag
+              %th Tag ID
+              %th Size
+              %th Created
+              - if can?(current_user, :update_container_image, @project)
+                %th
+          = render partial: 'tag', collection: image.tags
+    - else
+      .nothing-here-block No tags in Container Registry for this container image.
+
diff --git a/app/views/projects/container_registry/_tag.html.haml b/app/views/projects/registry/repositories/_tag.html.haml
index 10822b6184c..ee1ec0e8f9a 100644
--- a/app/views/projects/container_registry/_tag.html.haml
+++ b/app/views/projects/registry/repositories/_tag.html.haml
@@ -25,5 +25,9 @@
   - if can?(current_user, :update_container_image, @project)
     %td.content
       .controls.hidden-xs.pull-right
-        = link_to namespace_project_container_registry_path(@project.namespace, @project, tag.name), class: 'btn btn-remove has-tooltip', title: "Remove", data: { confirm: "Are you sure?" }, method: :delete do
-          = icon("trash cred")
+        = link_to namespace_project_registry_repository_tag_path(@project.namespace, @project, tag.repository, tag.name),
+                  method: :delete,
+                  class: 'btn btn-remove has-tooltip',
+                  title: 'Remove tag',
+                  data: { confirm: 'Are you sure you want to delete this tag?' } do
+          = icon('trash cred')
diff --git a/app/views/projects/container_registry/index.html.haml b/app/views/projects/registry/repositories/index.html.haml
index 993da27310f..be128e92fa7 100644
--- a/app/views/projects/container_registry/index.html.haml
+++ b/app/views/projects/registry/repositories/index.html.haml
@@ -15,25 +15,12 @@
       %br
       Then you are free to create and upload a container image with build and push commands:
       %pre
-        docker build -t #{escape_once(@project.container_registry_repository_url)} .
+        docker build -t #{escape_once(@project.container_registry_url)}/image .
         %br
-        docker push #{escape_once(@project.container_registry_repository_url)}
+        docker push #{escape_once(@project.container_registry_url)}/image
 
-  - if @tags.blank?
-    %li
-      .nothing-here-block No images in Container Registry for this project.
+  - if @images.blank?
+    .nothing-here-block No container image repositories in Container Registry for this project.
 
   - else
-    .table-holder
-      %table.table.tags
-        %thead
-          %tr
-            %th Name
-            %th Image ID
-            %th Size
-            %th Created
-            - if can?(current_user, :update_container_image, @project)
-              %th
-
-        - @tags.each do |tag|
-          = render 'tag', tag: tag
+    = render partial: 'image', collection: @images
diff --git a/app/views/projects/stage/_stage.html.haml b/app/views/projects/stage/_stage.html.haml
index 28e1c060875..f93994bebe3 100644
--- a/app/views/projects/stage/_stage.html.haml
+++ b/app/views/projects/stage/_stage.html.haml
@@ -6,8 +6,8 @@
         = ci_icon_for_status(stage.status)
       &nbsp;
       = stage.name.titleize
-= render stage.statuses.latest_ordered, coverage: @project.build_coverage_enabled?, stage: false, ref: false, pipeline_link: false, allow_retry: true
-= render stage.statuses.retried_ordered, coverage: @project.build_coverage_enabled?, stage: false, ref: false, pipeline_link: false, retried: true
+= render stage.statuses.latest_ordered, stage: false, ref: false, pipeline_link: false, allow_retry: true
+= render stage.statuses.retried_ordered, stage: false, ref: false, pipeline_link: false, retried: true
 %tr
   %td{ colspan: 10 }
     &nbsp;
diff --git a/app/views/shared/empty_states/monitoring/_getting_started.svg b/app/views/shared/empty_states/monitoring/_getting_started.svg
new file mode 100644
index 00000000000..db7a1c2e708
--- /dev/null
+++ b/app/views/shared/empty_states/monitoring/_getting_started.svg
@@ -0,0 +1 @@
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new file mode 100644
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new file mode 100644
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\ No newline at end of file
diff --git a/app/views/shared/icons/_code_fork.svg b/app/views/shared/icons/_code_fork.svg
new file mode 100644
index 00000000000..8347dce2d5b
--- /dev/null
+++ b/app/views/shared/icons/_code_fork.svg
@@ -0,0 +1 @@
+<svg width="1792" height="1792" viewBox="0 0 1792 1792" xmlns="http://www.w3.org/2000/svg"><path d="M672 1472q0-40-28-68t-68-28-68 28-28 68 28 68 68 28 68-28 28-68zm0-1152q0-40-28-68t-68-28-68 28-28 68 28 68 68 28 68-28 28-68zm640 128q0-40-28-68t-68-28-68 28-28 68 28 68 68 28 68-28 28-68zm96 0q0 52-26 96.5t-70 69.5q-2 287-226 414-68 38-203 81-128 40-169.5 71t-41.5 100v26q44 25 70 69.5t26 96.5q0 80-56 136t-136 56-136-56-56-136q0-52 26-96.5t70-69.5v-820q-44-25-70-69.5t-26-96.5q0-80 56-136t136-56 136 56 56 136q0 52-26 96.5t-70 69.5v497q54-26 154-57 55-17 87.5-29.5t70.5-31 59-39.5 40.5-51 28-69.5 8.5-91.5q-44-25-70-69.5t-26-96.5q0-80 56-136t136-56 136 56 56 136z"/></svg>
\ No newline at end of file
diff --git a/app/views/shared/icons/_comment_o.svg b/app/views/shared/icons/_comment_o.svg
new file mode 100644
index 00000000000..55807f0840a
--- /dev/null
+++ b/app/views/shared/icons/_comment_o.svg
@@ -0,0 +1 @@
+<svg width="1792" height="1792" viewBox="0 0 1792 1792" xmlns="http://www.w3.org/2000/svg"><path d="M896 384q-204 0-381.5 69.5t-282 187.5-104.5 255q0 112 71.5 213.5t201.5 175.5l87 50-27 96q-24 91-70 172 152-63 275-171l43-38 57 6q69 8 130 8 204 0 381.5-69.5t282-187.5 104.5-255-104.5-255-282-187.5-381.5-69.5zm896 512q0 174-120 321.5t-326 233-450 85.5q-70 0-145-8-198 175-460 242-49 14-114 22h-5q-15 0-27-10.5t-16-27.5v-1q-3-4-.5-12t2-10 4.5-9.5l6-9 7-8.5 8-9q7-8 31-34.5t34.5-38 31-39.5 32.5-51 27-59 26-76q-157-89-247.5-220t-90.5-281q0-174 120-321.5t326-233 450-85.5 450 85.5 326 233 120 321.5z"/></svg>
\ No newline at end of file
diff --git a/app/views/shared/icons/_emoji_slightly_smiling_face.svg b/app/views/shared/icons/_emoji_slightly_smiling_face.svg
new file mode 100644
index 00000000000..56dbad91554
--- /dev/null
+++ b/app/views/shared/icons/_emoji_slightly_smiling_face.svg
@@ -0,0 +1 @@
+<svg width="18" height="18" viewBox="0 0 18 18" xmlns="http://www.w3.org/2000/svg"><path d="M13.29 11.098a4.328 4.328 0 0 1-1.618 2.285c-.79.578-1.68.867-2.672.867-.992 0-1.883-.29-2.672-.867a4.328 4.328 0 0 1-1.617-2.285.721.721 0 0 1 .047-.569.715.715 0 0 1 .445-.369.721.721 0 0 1 .568.047.715.715 0 0 1 .37.445c.195.625.556 1.131 1.084 1.518A2.93 2.93 0 0 0 9 12.75a2.93 2.93 0 0 0 1.775-.58 2.913 2.913 0 0 0 1.084-1.518.711.711 0 0 1 .375-.445.737.737 0 0 1 .575-.047c.195.063.34.186.433.37.094.183.11.372.047.568zM7.5 6c0 .414-.146.768-.44 1.06-.292.294-.646.44-1.06.44-.414 0-.768-.146-1.06-.44A1.445 1.445 0 0 1 4.5 6c0-.414.146-.768.44-1.06.292-.294.646-.44 1.06-.44.414 0 .768.146 1.06.44.294.292.44.646.44 1.06zm6 0c0 .414-.146.768-.44 1.06-.292.294-.646.44-1.06.44-.414 0-.768-.146-1.06-.44A1.445 1.445 0 0 1 10.5 6c0-.414.146-.768.44-1.06.292-.294.646-.44 1.06-.44.414 0 .768.146 1.06.44.294.292.44.646.44 1.06zm3 3a7.29 7.29 0 0 0-.598-2.912 7.574 7.574 0 0 0-1.6-2.39 7.574 7.574 0 0 0-2.39-1.6A7.29 7.29 0 0 0 9 1.5a7.29 7.29 0 0 0-2.912.598 7.574 7.574 0 0 0-2.39 1.6 7.574 7.574 0 0 0-1.6 2.39A7.29 7.29 0 0 0 1.5 9c0 1.016.2 1.986.598 2.912a7.574 7.574 0 0 0 1.6 2.39 7.574 7.574 0 0 0 2.39 1.6A7.29 7.29 0 0 0 9 16.5a7.29 7.29 0 0 0 2.912-.598 7.574 7.574 0 0 0 2.39-1.6 7.574 7.574 0 0 0 1.6-2.39A7.29 7.29 0 0 0 16.5 9zM18 9a8.804 8.804 0 0 1-1.207 4.518 8.96 8.96 0 0 1-3.275 3.275A8.804 8.804 0 0 1 9 18a8.804 8.804 0 0 1-4.518-1.207 8.96 8.96 0 0 1-3.275-3.275A8.804 8.804 0 0 1 0 9c0-1.633.402-3.139 1.207-4.518a8.96 8.96 0 0 1 3.275-3.275A8.804 8.804 0 0 1 9 0c1.633 0 3.139.402 4.518 1.207a8.96 8.96 0 0 1 3.275 3.275A8.804 8.804 0 0 1 18 9z" fill-rule="evenodd"/></svg>
diff --git a/app/views/shared/icons/_emoji_smile.svg b/app/views/shared/icons/_emoji_smile.svg
new file mode 100644
index 00000000000..ce645fee46f
--- /dev/null
+++ b/app/views/shared/icons/_emoji_smile.svg
@@ -0,0 +1 @@
+<svg width="18" height="18" viewBox="0 0 18 18" xmlns="http://www.w3.org/2000/svg"><path d="M13.29 11.098a4.328 4.328 0 0 1-1.618 2.285c-.79.578-1.68.867-2.672.867-.992 0-1.883-.29-2.672-.867a4.328 4.328 0 0 1-1.617-2.285.721.721 0 0 1 .047-.569.715.715 0 0 1 .445-.369c.195-.062 7.41-.062 7.606 0 .195.063.34.186.433.37.094.183.11.372.047.568zM14 6.37c0 .398-.04.755-.513.755-.473 0-.498-.272-1.237-.272-.74 0-.74.215-1.165.215-.425 0-.585-.3-.585-.698 0-.397.17-.736.513-1.017.341-.281.754-.422 1.237-.422.483 0 .896.14 1.237.422.342.28.513.62.513 1.017zm-6.5 0c0 .398-.04.755-.513.755-.473 0-.498-.272-1.237-.272-.74 0-.74.215-1.165.215-.425 0-.585-.3-.585-.698 0-.397.17-.736.513-1.017.341-.281.754-.422 1.237-.422.483 0 .896.14 1.237.422.342.28.513.62.513 1.017zm9 2.63a7.29 7.29 0 0 0-.598-2.912 7.574 7.574 0 0 0-1.6-2.39 7.574 7.574 0 0 0-2.39-1.6A7.29 7.29 0 0 0 9 1.5a7.29 7.29 0 0 0-2.912.598 7.574 7.574 0 0 0-2.39 1.6 7.574 7.574 0 0 0-1.6 2.39A7.29 7.29 0 0 0 1.5 9c0 1.016.2 1.986.598 2.912a7.574 7.574 0 0 0 1.6 2.39 7.574 7.574 0 0 0 2.39 1.6A7.29 7.29 0 0 0 9 16.5a7.29 7.29 0 0 0 2.912-.598 7.574 7.574 0 0 0 2.39-1.6 7.574 7.574 0 0 0 1.6-2.39A7.29 7.29 0 0 0 16.5 9zM18 9a8.804 8.804 0 0 1-1.207 4.518 8.96 8.96 0 0 1-3.275 3.275A8.804 8.804 0 0 1 9 18a8.804 8.804 0 0 1-4.518-1.207 8.96 8.96 0 0 1-3.275-3.275A8.804 8.804 0 0 1 0 9c0-1.633.402-3.139 1.207-4.518a8.96 8.96 0 0 1 3.275-3.275A8.804 8.804 0 0 1 9 0c1.633 0 3.139.402 4.518 1.207a8.96 8.96 0 0 1 3.275 3.275A8.804 8.804 0 0 1 18 9z" fill-rule="evenodd"/></svg>
diff --git a/app/views/shared/icons/_emoji_smiley.svg b/app/views/shared/icons/_emoji_smiley.svg
new file mode 100644
index 00000000000..ddfae50e566
--- /dev/null
+++ b/app/views/shared/icons/_emoji_smiley.svg
@@ -0,0 +1 @@
+<svg width="18" height="18" viewBox="0 0 18 18" xmlns="http://www.w3.org/2000/svg"><path d="M13.29 11.098a4.328 4.328 0 0 1-1.618 2.285c-.79.578-1.68.867-2.672.867-.992 0-1.883-.29-2.672-.867a4.328 4.328 0 0 1-1.617-2.285.721.721 0 0 1 .047-.569.715.715 0 0 1 .445-.369c.195-.062 7.41-.062 7.606 0 .195.063.34.186.433.37.094.183.11.372.047.568h.001zM7.5 6c0 .414-.146.768-.44 1.06A1.44 1.44 0 0 1 6 7.5a1.44 1.44 0 0 1-1.06-.44A1.445 1.445 0 0 1 4.5 6c0-.414.146-.768.44-1.06A1.44 1.44 0 0 1 6 4.5c.414 0 .768.146 1.06.44.294.292.44.646.44 1.06zm6 0c0 .414-.146.768-.44 1.06A1.44 1.44 0 0 1 12 7.5a1.44 1.44 0 0 1-1.06-.44A1.445 1.445 0 0 1 10.5 6c0-.414.146-.768.44-1.06A1.44 1.44 0 0 1 12 4.5c.414 0 .768.146 1.06.44.294.292.44.646.44 1.06zm3 3a7.29 7.29 0 0 0-.598-2.912 7.574 7.574 0 0 0-1.6-2.39 7.574 7.574 0 0 0-2.39-1.6A7.29 7.29 0 0 0 9 1.5a7.29 7.29 0 0 0-2.912.598 7.574 7.574 0 0 0-2.39 1.6 7.574 7.574 0 0 0-1.6 2.39A7.29 7.29 0 0 0 1.5 9c0 1.016.2 1.986.598 2.912a7.574 7.574 0 0 0 1.6 2.39 7.574 7.574 0 0 0 2.39 1.6c.92.397 1.91.6 2.912.598a7.29 7.29 0 0 0 2.912-.598 7.574 7.574 0 0 0 2.39-1.6 7.574 7.574 0 0 0 1.6-2.39c.397-.92.6-1.91.598-2.912zM18 9a8.804 8.804 0 0 1-1.207 4.518 8.96 8.96 0 0 1-3.275 3.275A8.804 8.804 0 0 1 9 18a8.804 8.804 0 0 1-4.518-1.207 8.96 8.96 0 0 1-3.275-3.275A8.804 8.804 0 0 1 0 9c0-1.633.402-3.139 1.207-4.518a8.96 8.96 0 0 1 3.275-3.275A8.804 8.804 0 0 1 9 0c1.633 0 3.139.402 4.518 1.207a8.96 8.96 0 0 1 3.275 3.275A8.804 8.804 0 0 1 18 9z" fill-rule="nonzero"/></svg>
diff --git a/app/views/shared/icons/_icon_commit.svg b/app/views/shared/icons/_icon_commit.svg
index 0e96035b7b7..15e83dfdb53 100644
--- a/app/views/shared/icons/_icon_commit.svg
+++ b/app/views/shared/icons/_icon_commit.svg
@@ -1,3 +1 @@
-<svg xmlns="http://www.w3.org/2000/svg" width="40" height="40" viewBox="0 0 40 40">
-  <path fill="#8F8F8F" fill-rule="evenodd" d="M28.7769836,18 C27.8675252,13.9920226 24.2831748,11 20,11 C15.7168252,11 12.1324748,13.9920226 11.2230164,18 L4.0085302,18 C2.90195036,18 2,18.8954305 2,20 C2,21.1122704 2.8992496,22 4.0085302,22 L11.2230164,22 C12.1324748,26.0079774 15.7168252,29 20,29 C24.2831748,29 27.8675252,26.0079774 28.7769836,22 L35.9914698,22 C37.0980496,22 38,21.1045695 38,20 C38,18.8877296 37.1007504,18 35.9914698,18 L28.7769836,18 L28.7769836,18 Z M20,25 C22.7614237,25 25,22.7614237 25,20 C25,17.2385763 22.7614237,15 20,15 C17.2385763,15 15,17.2385763 15,20 C15,22.7614237 17.2385763,25 20,25 L20,25 Z"/>
-</svg>
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 36 18" enable-background="new 0 0 36 18"><path d="m34 7h-7.2c-.9-4-4.5-7-8.8-7s-7.9 3-8.8 7h-7.2c-1.1 0-2 .9-2 2 0 1.1.9 2 2 2h7.2c.9 4 4.5 7 8.8 7s7.9-3 8.8-7h7.2c1.1 0 2-.9 2-2 0-1.1-.9-2-2-2m-16 7c-2.8 0-5-2.2-5-5s2.2-5 5-5 5 2.2 5 5-2.2 5-5 5"/></svg>
\ No newline at end of file
diff --git a/app/views/shared/icons/_icon_status_closed.svg b/app/views/shared/icons/_icon_status_closed.svg
new file mode 100644
index 00000000000..de448ee1194
--- /dev/null
+++ b/app/views/shared/icons/_icon_status_closed.svg
@@ -0,0 +1 @@
+<svg width="14" height="14" viewBox="0 0 14 14" xmlns="http://www.w3.org/2000/svg"><path d="M0 7c0-3.866 3.142-7 7-7 3.866 0 7 3.142 7 7 0 3.866-3.142 7-7 7-3.866 0-7-3.142-7-7z"/><path d="M1 7c0 3.309 2.69 6 6 6 3.309 0 6-2.69 6-6 0-3.309-2.69-6-6-6-3.309 0-6 2.69-6 6z" fill="#FFF"/><rect x="3.36" y="6.16" width="7.28" height="1.68" rx=".84"/></svg>
diff --git a/app/views/shared/icons/_icon_status_open.svg b/app/views/shared/icons/_icon_status_open.svg
new file mode 100644
index 00000000000..ed58d23c626
--- /dev/null
+++ b/app/views/shared/icons/_icon_status_open.svg
@@ -0,0 +1 @@
+<svg width="14" height="14" viewBox="0 0 14 14" xmlns="http://www.w3.org/2000/svg"><path d="M0 7c0-3.866 3.142-7 7-7 3.866 0 7 3.142 7 7 0 3.866-3.142 7-7 7-3.866 0-7-3.142-7-7z"/><path d="M1 7c0 3.309 2.69 6 6 6 3.309 0 6-2.69 6-6 0-3.309-2.69-6-6-6-3.309 0-6 2.69-6 6z" fill="#FFF"/><path d="M7 9.219a2.218 2.218 0 1 0 0-4.436A2.218 2.218 0 0 0 7 9.22zm0 1.12a3.338 3.338 0 1 1 0-6.676 3.338 3.338 0 0 1 0 6.676z"/></svg>
diff --git a/app/views/shared/icons/_trash_o.svg b/app/views/shared/icons/_trash_o.svg
new file mode 100644
index 00000000000..ea073d7fe67
--- /dev/null
+++ b/app/views/shared/icons/_trash_o.svg
@@ -0,0 +1 @@
+<svg width="1792" height="1792" viewBox="0 0 1792 1792" xmlns="http://www.w3.org/2000/svg"><path d="M704 736v576q0 14-9 23t-23 9h-64q-14 0-23-9t-9-23v-576q0-14 9-23t23-9h64q14 0 23 9t9 23zm256 0v576q0 14-9 23t-23 9h-64q-14 0-23-9t-9-23v-576q0-14 9-23t23-9h64q14 0 23 9t9 23zm256 0v576q0 14-9 23t-23 9h-64q-14 0-23-9t-9-23v-576q0-14 9-23t23-9h64q14 0 23 9t9 23zm128 724v-948h-896v948q0 22 7 40.5t14.5 27 10.5 8.5h832q3 0 10.5-8.5t14.5-27 7-40.5zm-672-1076h448l-48-117q-7-9-17-11h-317q-10 2-17 11zm928 32v64q0 14-9 23t-23 9h-96v948q0 83-47 143.5t-113 60.5h-832q-66 0-113-58.5t-47-141.5v-952h-96q-14 0-23-9t-9-23v-64q0-14 9-23t23-9h309l70-167q15-37 54-63t79-26h320q40 0 79 26t54 63l70 167h309q14 0 23 9t9 23z"/></svg>
\ No newline at end of file
diff --git a/app/views/shared/issuable/_filter.html.haml b/app/views/shared/issuable/_filter.html.haml
index 847a86e2e68..c72268473ca 100644
--- a/app/views/shared/issuable/_filter.html.haml
+++ b/app/views/shared/issuable/_filter.html.haml
@@ -40,21 +40,21 @@
       .issues_bulk_update.hide
         = form_tag [:bulk_update, @project.namespace.becomes(Namespace), @project, type], method: :post, class: 'bulk-update'  do
           .filter-item.inline
-            = dropdown_tag("Status", options: { toggle_class: "js-issue-status", title: "Change status", dropdown_class: "dropdown-menu-status dropdown-menu-selectable", data: { field_name: "update[state_event]", default_label: "Status" } } ) do
+            = dropdown_tag("Status", options: { toggle_class: "issue-bulk-update-dropdown-toggle js-issue-status", title: "Change status", dropdown_class: "dropdown-menu-status dropdown-menu-selectable", data: { field_name: "update[state_event]", default_label: "Status" } } ) do
               %ul
                 %li
                   %a{ href: "#", data: { id: "reopen" } } Open
                 %li
                   %a{ href: "#", data: {id: "close" } } Closed
           .filter-item.inline
-            = dropdown_tag("Assignee", options: { toggle_class: "js-user-search js-update-assignee js-filter-submit js-filter-bulk-update", title: "Assign to", filter: true, dropdown_class: "dropdown-menu-user dropdown-menu-selectable",
+            = dropdown_tag("Assignee", options: { toggle_class: "issue-bulk-update-dropdown-toggle js-user-search js-update-assignee js-filter-submit js-filter-bulk-update", title: "Assign to", filter: true, dropdown_class: "dropdown-menu-user dropdown-menu-selectable",
               placeholder: "Search authors", data: { first_user: (current_user.username if current_user), null_user: true, current_user: true, project_id: @project.id, field_name: "update[assignee_id]", default_label: "Assignee" } })
           .filter-item.inline
-            = dropdown_tag("Milestone", options: { title: "Assign milestone", toggle_class: 'js-milestone-select js-extra-options js-filter-submit js-filter-bulk-update', filter: true, dropdown_class: "dropdown-menu-selectable dropdown-menu-milestone", placeholder: "Search milestones", data: { show_no: true, field_name: "update[milestone_id]", default_label: "Milestone", project_id: @project.id, milestones: namespace_project_milestones_path(@project.namespace, @project, :json), use_id: true } })
+            = dropdown_tag("Milestone", options: { title: "Assign milestone", toggle_class: 'issue-bulk-update-dropdown-toggle js-milestone-select js-extra-options js-filter-submit js-filter-bulk-update', filter: true, dropdown_class: "dropdown-menu-selectable dropdown-menu-milestone", placeholder: "Search milestones", data: { show_no: true, field_name: "update[milestone_id]", default_label: "Milestone", project_id: @project.id, milestones: namespace_project_milestones_path(@project.namespace, @project, :json), use_id: true } })
           .filter-item.inline.labels-filter
             = render "shared/issuable/label_dropdown", classes: ['js-filter-bulk-update', 'js-multiselect'], dropdown_title: 'Apply a label', show_create: false, show_footer: false, extra_options: false, filter_submit: false, data_options: { persist_when_hide: "true", field_name: "update[label_ids][]", show_no: false, show_any: false, use_id: true }
           .filter-item.inline
-            = dropdown_tag("Subscription", options: { toggle_class: "js-subscription-event", title: "Change subscription", dropdown_class: "dropdown-menu-selectable", data: { field_name: "update[subscription_event]", default_label: "Subscription" } } ) do
+            = dropdown_tag("Subscription", options: { toggle_class: "issue-bulk-update-dropdown-toggle js-subscription-event", title: "Change subscription", dropdown_class: "dropdown-menu-selectable", data: { field_name: "update[subscription_event]", default_label: "Subscription" } } ) do
               %ul
                 %li
                   %a{ href: "#", data: { id: "subscribe" } } Subscribe
diff --git a/app/views/shared/issuable/_search_bar.html.haml b/app/views/shared/issuable/_search_bar.html.haml
index 4c3c81a2f56..b447996a8ab 100644
--- a/app/views/shared/issuable/_search_bar.html.haml
+++ b/app/views/shared/issuable/_search_bar.html.haml
@@ -10,85 +10,93 @@
         .check-all-holder
           = check_box_tag "check_all_issues", nil, false,
             class: "check_all_issues left"
-      .issues-other-filters.filtered-search-container
-        .filtered-search-input-container
-          .scroll-container
-            %ul.tokens-container.list-unstyled
-              %li.input-token
-                %input.form-control.filtered-search{ id: "filtered-search-#{type.to_s}", placeholder: 'Search or filter results...', data: { 'project-id' => @project.id, 'username-params' => @users.to_json(only: [:id, :username]), 'base-endpoint' => namespace_project_path(@project.namespace, @project) } }
-            = icon('filter')
-            %button.clear-search.hidden{ type: 'button' }
-              = icon('times')
-          #js-dropdown-hint.dropdown-menu.hint-dropdown
-            %ul{ data: { dropdown: true } }
-              %li.filter-dropdown-item{ data: { action: 'submit' } }
-                %button.btn.btn-link
-                  = icon('search')
-                  %span
-                    Press Enter or click to search
-            %ul.filter-dropdown{ data: { dynamic: true, dropdown: true } }
-              %li.filter-dropdown-item
-                %button.btn.btn-link
-                  -# Encapsulate static class name `{{icon}}` inside #{} to bypass
-                  -# haml lint's ClassAttributeWithStaticValue
-                  %i.fa{ class: "#{'{{icon}}'}" }
-                  %span.js-filter-hint
-                    {{hint}}
-                  %span.js-filter-tag.dropdown-light-content
-                    {{tag}}
-          #js-dropdown-author.dropdown-menu{ data: { icon: 'pencil', hint: 'author', tag: '@author' } }
-            %ul.filter-dropdown{ data: { dynamic: true, dropdown: true } }
-              %li.filter-dropdown-item
-                %button.btn.btn-link.dropdown-user
-                  %img.avatar{ alt: '{{name}}\'s avatar', width: '30', data: { src: '{{avatar_url}}' } }
-                  .dropdown-user-details
+      .issues-other-filters.filtered-search-wrapper
+        .filtered-search-box
+          = dropdown_tag(content_tag(:i, '', class: 'fa fa-history'),
+            options: { wrapper_class: "filtered-search-history-dropdown-wrapper",
+            toggle_class: "filtered-search-history-dropdown-toggle-button",
+            dropdown_class: "filtered-search-history-dropdown",
+            content_class: "filtered-search-history-dropdown-content",
+            title: "Recent searches" }) do
+            .js-filtered-search-history-dropdown
+          .filtered-search-box-input-container
+            .scroll-container
+              %ul.tokens-container.list-unstyled
+                %li.input-token
+                  %input.form-control.filtered-search{ id: "filtered-search-#{type.to_s}", placeholder: 'Search or filter results...', data: { 'project-id' => @project.id, 'username-params' => @users.to_json(only: [:id, :username]), 'base-endpoint' => namespace_project_path(@project.namespace, @project) } }
+              = icon('filter')
+              %button.clear-search.hidden{ type: 'button' }
+                = icon('times')
+            #js-dropdown-hint.filtered-search-input-dropdown-menu.dropdown-menu.hint-dropdown
+              %ul{ data: { dropdown: true } }
+                %li.filter-dropdown-item{ data: { action: 'submit' } }
+                  %button.btn.btn-link
+                    = icon('search')
                     %span
-                      {{name}}
-                    %span.dropdown-light-content
-                      @{{username}}
-          #js-dropdown-assignee.dropdown-menu{ data: { icon: 'user', hint: 'assignee', tag: '@assignee' } }
-            %ul{ data: { dropdown: true } }
-              %li.filter-dropdown-item{ data: { value: 'none' } }
-                %button.btn.btn-link
-                  No Assignee
-              %li.divider
-            %ul.filter-dropdown{ data: { dynamic: true, dropdown: true } }
-              %li.filter-dropdown-item
-                %button.btn.btn-link.dropdown-user
-                  %img.avatar{ alt: '{{name}}\'s avatar', width: '30', data: { src: '{{avatar_url}}' } }
-                  .dropdown-user-details
-                    %span
-                      {{name}}
-                    %span.dropdown-light-content
-                      @{{username}}
-          #js-dropdown-milestone.dropdown-menu{ data: { icon: 'clock-o', hint: 'milestone', tag: '%milestone' } }
-            %ul{ data: { dropdown: true } }
-              %li.filter-dropdown-item{ data: { value: 'none' } }
-                %button.btn.btn-link
-                  No Milestone
-              %li.filter-dropdown-item{ data: { value: 'upcoming' } }
-                %button.btn.btn-link
-                  Upcoming
-              %li.filter-dropdown-item{ 'data-value' => 'started' }
-                %button.btn.btn-link
-                  Started
-              %li.divider
-            %ul.filter-dropdown{ data: { dynamic: true, dropdown: true } }
-              %li.filter-dropdown-item
-                %button.btn.btn-link.js-data-value
-                  {{title}}
-          #js-dropdown-label.dropdown-menu{ data: { icon: 'tag', hint: 'label', tag: '~label', type: 'array' } }
-            %ul{ data: { dropdown: true } }
-              %li.filter-dropdown-item{ data: { value: 'none' } }
-                %button.btn.btn-link
-                  No Label
-              %li.divider
-            %ul.filter-dropdown{ data: { dynamic: true, dropdown: true } }
-              %li.filter-dropdown-item
-                %button.btn.btn-link
-                  %span.dropdown-label-box{ style: 'background: {{color}}' }
-                  %span.label-title.js-data-value
+                      Press Enter or click to search
+              %ul.filter-dropdown{ data: { dynamic: true, dropdown: true } }
+                %li.filter-dropdown-item
+                  %button.btn.btn-link
+                    -# Encapsulate static class name `{{icon}}` inside #{} to bypass
+                    -# haml lint's ClassAttributeWithStaticValue
+                    %i.fa{ class: "#{'{{icon}}'}" }
+                    %span.js-filter-hint
+                      {{hint}}
+                    %span.js-filter-tag.dropdown-light-content
+                      {{tag}}
+            #js-dropdown-author.filtered-search-input-dropdown-menu.dropdown-menu{ data: { icon: 'pencil', hint: 'author', tag: '@author' } }
+              %ul.filter-dropdown{ data: { dynamic: true, dropdown: true } }
+                %li.filter-dropdown-item
+                  %button.btn.btn-link.dropdown-user
+                    %img.avatar{ alt: '{{name}}\'s avatar', width: '30', data: { src: '{{avatar_url}}' } }
+                    .dropdown-user-details
+                      %span
+                        {{name}}
+                      %span.dropdown-light-content
+                        @{{username}}
+            #js-dropdown-assignee.filtered-search-input-dropdown-menu.dropdown-menu{ data: { icon: 'user', hint: 'assignee', tag: '@assignee' } }
+              %ul{ data: { dropdown: true } }
+                %li.filter-dropdown-item{ data: { value: 'none' } }
+                  %button.btn.btn-link
+                    No Assignee
+                %li.divider
+              %ul.filter-dropdown{ data: { dynamic: true, dropdown: true } }
+                %li.filter-dropdown-item
+                  %button.btn.btn-link.dropdown-user
+                    %img.avatar{ alt: '{{name}}\'s avatar', width: '30', data: { src: '{{avatar_url}}' } }
+                    .dropdown-user-details
+                      %span
+                        {{name}}
+                      %span.dropdown-light-content
+                        @{{username}}
+            #js-dropdown-milestone.filtered-search-input-dropdown-menu.dropdown-menu{ data: { icon: 'clock-o', hint: 'milestone', tag: '%milestone' } }
+              %ul{ data: { dropdown: true } }
+                %li.filter-dropdown-item{ data: { value: 'none' } }
+                  %button.btn.btn-link
+                    No Milestone
+                %li.filter-dropdown-item{ data: { value: 'upcoming' } }
+                  %button.btn.btn-link
+                    Upcoming
+                %li.filter-dropdown-item{ 'data-value' => 'started' }
+                  %button.btn.btn-link
+                    Started
+                %li.divider
+              %ul.filter-dropdown{ data: { dynamic: true, dropdown: true } }
+                %li.filter-dropdown-item
+                  %button.btn.btn-link.js-data-value
                     {{title}}
+            #js-dropdown-label.filtered-search-input-dropdown-menu.dropdown-menu{ data: { icon: 'tag', hint: 'label', tag: '~label', type: 'array' } }
+              %ul{ data: { dropdown: true } }
+                %li.filter-dropdown-item{ data: { value: 'none' } }
+                  %button.btn.btn-link
+                    No Label
+                %li.divider
+              %ul.filter-dropdown{ data: { dynamic: true, dropdown: true } }
+                %li.filter-dropdown-item
+                  %button.btn.btn-link
+                    %span.dropdown-label-box{ style: 'background: {{color}}' }
+                    %span.label-title.js-data-value
+                      {{title}}
         .filter-dropdown-container
           - if type == :boards
             - if can?(current_user, :admin_list, @project)
diff --git a/app/workers/trigger_schedule_worker.rb b/app/workers/trigger_schedule_worker.rb
new file mode 100644
index 00000000000..440c579b99d
--- /dev/null
+++ b/app/workers/trigger_schedule_worker.rb
@@ -0,0 +1,18 @@
+class TriggerScheduleWorker
+  include Sidekiq::Worker
+  include CronjobQueue
+
+  def perform
+    Ci::TriggerSchedule.where("next_run_at < ?", Time.now).find_each do |trigger_schedule|
+      begin
+        Ci::CreateTriggerRequestService.new.execute(trigger_schedule.project,
+                                                    trigger_schedule.trigger,
+                                                    trigger_schedule.ref)
+      rescue => e
+        Rails.logger.error "#{trigger_schedule.id}: Failed to trigger_schedule job: #{e.message}"
+      ensure
+        trigger_schedule.schedule_next_run!
+      end
+    end
+  end
+end