diff --git a/Gemfile b/Gemfile
index cbf00459c..d9b6e1049 100644
--- a/Gemfile
+++ b/Gemfile
@@ -5,7 +5,7 @@ ruby '>= 2.4.0', '< 2.7.0'
 
 gem 'pkg-config', '~> 1.3'
 
-gem 'puma', '~> 4.0'
+gem 'puma', '~> 4.1'
 gem 'rails', '~> 5.2.3'
 gem 'thor', '~> 0.20'
 
@@ -32,7 +32,7 @@ gem 'iso-639'
 gem 'chewy', '~> 5.0'
 gem 'cld3', '~> 3.2.4'
 gem 'devise', '~> 4.6'
-gem 'devise-two-factor', '~> 3.0'
+gem 'devise-two-factor', '~> 3.1'
 
 group :pam_authentication, optional: true do
   gem 'devise_pam_authenticatable2', '~> 9.2'
diff --git a/Gemfile.lock b/Gemfile.lock
index eb5e5445a..ff7862285 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -194,11 +194,11 @@ GEM
       railties (>= 4.1.0, < 6.0)
       responders
       warden (~> 1.2.3)
-    devise-two-factor (3.0.3)
-      activesupport (< 5.3)
+    devise-two-factor (3.1.0)
+      activesupport (< 6.1)
       attr_encrypted (>= 1.3, < 4, != 2)
       devise (~> 4.0)
-      railties (< 5.3)
+      railties (< 6.1)
       rotp (~> 2.0)
     devise_pam_authenticatable2 (9.2.0)
       devise (>= 4.0.0)
@@ -229,8 +229,8 @@ GEM
       tzinfo
     excon (0.62.0)
     fabrication (2.20.2)
-    faker (2.1.0)
-      i18n (>= 0.7)
+    faker (2.1.2)
+      i18n (>= 0.8)
     faraday (0.15.0)
       multipart-post (>= 1.2, < 3)
     fast_blank (1.0.0)
@@ -375,8 +375,8 @@ GEM
     net-scp (1.2.1)
       net-ssh (>= 2.6.5)
     net-ssh (5.0.2)
-    nio4r (2.3.1)
-    nokogiri (1.10.3)
+    nio4r (2.4.0)
+    nokogiri (1.10.4)
       mini_portile2 (~> 2.4.0)
     nokogumbo (2.0.0)
       nokogiri (~> 1.8, >= 1.8.4)
@@ -412,7 +412,7 @@ GEM
       av (~> 0.9.0)
       paperclip (>= 2.5.2)
     parallel (1.17.0)
-    parallel_tests (2.29.1)
+    parallel_tests (2.29.2)
       parallel
     parser (2.6.3.0)
       ast (~> 2.4.0)
@@ -441,7 +441,7 @@ GEM
     pry-rails (0.3.9)
       pry (>= 0.10.4)
     public_suffix (3.1.1)
-    puma (4.0.1)
+    puma (4.1.0)
       nio4r (~> 2.0)
     pundit (2.0.1)
       activesupport (>= 3.0.0)
@@ -476,7 +476,7 @@ GEM
     rails-dom-testing (2.0.3)
       activesupport (>= 4.2.0)
       nokogiri (>= 1.6)
-    rails-html-sanitizer (1.1.0)
+    rails-html-sanitizer (1.2.0)
       loofah (~> 2.2, >= 2.2.2)
     rails-i18n (5.1.3)
       i18n (>= 0.7, < 2)
@@ -519,9 +519,9 @@ GEM
     regexp_parser (1.6.0)
     request_store (1.4.1)
       rack (>= 1.4)
-    responders (2.4.1)
-      actionpack (>= 4.2.0, < 6.0)
-      railties (>= 4.2.0, < 6.0)
+    responders (3.0.0)
+      actionpack (>= 5.0)
+      railties (>= 5.0)
     rotp (2.1.2)
     rpam2 (4.0.2)
     rqrcode (0.10.1)
@@ -691,7 +691,7 @@ DEPENDENCIES
   connection_pool
   derailed_benchmarks
   devise (~> 4.6)
-  devise-two-factor (~> 3.0)
+  devise-two-factor (~> 3.1)
   devise_pam_authenticatable2 (~> 9.2)
   doorkeeper (~> 5.1)
   dotenv-rails (~> 2.7)
@@ -747,7 +747,7 @@ DEPENDENCIES
   private_address_check (~> 0.5)
   pry-byebug (~> 3.7)
   pry-rails (~> 0.3)
-  puma (~> 4.0)
+  puma (~> 4.1)
   pundit (~> 2.0)
   rack-attack (~> 6.1)
   rack-cors (~> 1.0)
diff --git a/app/controllers/accounts_controller.rb b/app/controllers/accounts_controller.rb
index 058a00a21..f153b63bb 100644
--- a/app/controllers/accounts_controller.rb
+++ b/app/controllers/accounts_controller.rb
@@ -9,6 +9,8 @@ class AccountsController < ApplicationController
   before_action :set_cache_headers
   before_action :set_body_classes
 
+  skip_around_action :set_locale, if: -> { request.format == :json }
+
   def show
     respond_to do |format|
       format.html do
diff --git a/app/controllers/api/base_controller.rb b/app/controllers/api/base_controller.rb
index 109e38ffa..de8fff30e 100644
--- a/app/controllers/api/base_controller.rb
+++ b/app/controllers/api/base_controller.rb
@@ -14,6 +14,8 @@ class Api::BaseController < ApplicationController
 
   protect_from_forgery with: :null_session
 
+  skip_around_action :set_locale
+
   rescue_from ActiveRecord::RecordInvalid, Mastodon::ValidationError do |e|
     render json: { error: e.to_s }, status: 422
   end
diff --git a/app/controllers/follower_accounts_controller.rb b/app/controllers/follower_accounts_controller.rb
index 6e873de5b..892c51cf4 100644
--- a/app/controllers/follower_accounts_controller.rb
+++ b/app/controllers/follower_accounts_controller.rb
@@ -7,6 +7,8 @@ class FollowerAccountsController < ApplicationController
   before_action :require_signature!, if: -> { request.format == :json && authorized_fetch_mode? }
   before_action :set_cache_headers
 
+  skip_around_action :set_locale, if: -> { request.format == :json }
+
   def index
     respond_to do |format|
       format.html do
diff --git a/app/controllers/following_accounts_controller.rb b/app/controllers/following_accounts_controller.rb
index 07d62f7dd..653d9a486 100644
--- a/app/controllers/following_accounts_controller.rb
+++ b/app/controllers/following_accounts_controller.rb
@@ -7,6 +7,8 @@ class FollowingAccountsController < ApplicationController
   before_action :require_signature!, if: -> { request.format == :json && authorized_fetch_mode? }
   before_action :set_cache_headers
 
+  skip_around_action :set_locale, if: -> { request.format == :json }
+
   def index
     respond_to do |format|
       format.html do
diff --git a/app/controllers/instance_actors_controller.rb b/app/controllers/instance_actors_controller.rb
index 41f33602e..6f02d6a35 100644
--- a/app/controllers/instance_actors_controller.rb
+++ b/app/controllers/instance_actors_controller.rb
@@ -3,6 +3,8 @@
 class InstanceActorsController < ApplicationController
   include AccountControllerConcern
 
+  skip_around_action :set_locale
+
   def show
     expires_in 10.minutes, public: true
     render json: @account, content_type: 'application/activity+json', serializer: ActivityPub::ActorSerializer, adapter: ActivityPub::Adapter, fields: restrict_fields_to
diff --git a/app/controllers/statuses_controller.rb b/app/controllers/statuses_controller.rb
index 0693125ab..83131f484 100644
--- a/app/controllers/statuses_controller.rb
+++ b/app/controllers/statuses_controller.rb
@@ -18,6 +18,8 @@ class StatusesController < ApplicationController
   before_action :set_body_classes
   before_action :set_autoplay, only: :embed
 
+  skip_around_action :set_locale, if: -> { request.format == :json }
+
   content_security_policy only: :embed do |p|
     p.frame_ancestors(false)
   end
diff --git a/app/javascript/mastodon/actions/app.js b/app/javascript/mastodon/actions/app.js
new file mode 100644
index 000000000..414968f7d
--- /dev/null
+++ b/app/javascript/mastodon/actions/app.js
@@ -0,0 +1,10 @@
+export const APP_FOCUS   = 'APP_FOCUS';
+export const APP_UNFOCUS = 'APP_UNFOCUS';
+
+export const focusApp = () => ({
+  type: APP_FOCUS,
+});
+
+export const unfocusApp = () => ({
+  type: APP_UNFOCUS,
+});
diff --git a/app/javascript/mastodon/features/ui/components/document_title.js b/app/javascript/mastodon/features/ui/components/document_title.js
new file mode 100644
index 000000000..cd081b20c
--- /dev/null
+++ b/app/javascript/mastodon/features/ui/components/document_title.js
@@ -0,0 +1,41 @@
+import { PureComponent } from 'react';
+import { connect } from 'react-redux';
+import PropTypes from 'prop-types';
+import { title } from 'mastodon/initial_state';
+
+const mapStateToProps = state => ({
+  unread: state.getIn(['missed_updates', 'unread']),
+});
+
+export default @connect(mapStateToProps)
+class DocumentTitle extends PureComponent {
+
+  static propTypes = {
+    unread: PropTypes.number.isRequired,
+  };
+
+  componentDidMount () {
+    this._sideEffects();
+  }
+
+  componentDidUpdate() {
+    this._sideEffects();
+  }
+
+  _sideEffects () {
+    const { unread } = this.props;
+
+    if (unread > 99) {
+      document.title = `(*) ${title}`;
+    } else if (unread > 0) {
+      document.title = `(${unread}) ${title}`;
+    } else {
+      document.title = title;
+    }
+  }
+
+  render () {
+    return null;
+  }
+
+}
diff --git a/app/javascript/mastodon/features/ui/index.js b/app/javascript/mastodon/features/ui/index.js
index 87eba90e2..8b9b2283d 100644
--- a/app/javascript/mastodon/features/ui/index.js
+++ b/app/javascript/mastodon/features/ui/index.js
@@ -15,9 +15,11 @@ import { expandHomeTimeline } from '../../actions/timelines';
 import { expandNotifications } from '../../actions/notifications';
 import { fetchFilters } from '../../actions/filters';
 import { clearHeight } from '../../actions/height_cache';
+import { focusApp, unfocusApp } from 'mastodon/actions/app';
 import { WrappedSwitch, WrappedRoute } from './util/react_router_helpers';
 import UploadArea from './components/upload_area';
 import ColumnsAreaContainer from './containers/columns_area_container';
+import DocumentTitle from './components/document_title';
 import {
   Compose,
   Status,
@@ -228,7 +230,7 @@ class UI extends React.PureComponent {
     draggingOver: false,
   };
 
-  handleBeforeUnload = (e) => {
+  handleBeforeUnload = e => {
     const { intl, isComposing, hasComposingText, hasMediaAttachments } = this.props;
 
     if (isComposing && (hasComposingText || hasMediaAttachments)) {
@@ -239,6 +241,14 @@ class UI extends React.PureComponent {
     }
   }
 
+  handleWindowFocus = () => {
+    this.props.dispatch(focusApp());
+  }
+
+  handleWindowBlur = () => {
+    this.props.dispatch(unfocusApp());
+  }
+
   handleLayoutChange = () => {
     // The cached heights are no longer accurate, invalidate
     this.props.dispatch(clearHeight());
@@ -316,6 +326,8 @@ class UI extends React.PureComponent {
   }
 
   componentWillMount () {
+    window.addEventListener('focus', this.handleWindowFocus, false);
+    window.addEventListener('blur', this.handleWindowBlur, false);
     window.addEventListener('beforeunload', this.handleBeforeUnload, false);
 
     document.addEventListener('dragenter', this.handleDragEnter, false);
@@ -345,7 +357,10 @@ class UI extends React.PureComponent {
   }
 
   componentWillUnmount () {
+    window.removeEventListener('focus', this.handleWindowFocus);
+    window.removeEventListener('blur', this.handleWindowBlur);
     window.removeEventListener('beforeunload', this.handleBeforeUnload);
+
     document.removeEventListener('dragenter', this.handleDragEnter);
     document.removeEventListener('dragover', this.handleDragOver);
     document.removeEventListener('drop', this.handleDrop);
@@ -504,6 +519,7 @@ class UI extends React.PureComponent {
           <LoadingBarContainer className='loading-bar' />
           <ModalContainer />
           <UploadArea active={draggingOver} onClose={this.closeUploadModal} />
+          <DocumentTitle />
         </div>
       </HotKeys>
     );
diff --git a/app/javascript/mastodon/initial_state.js b/app/javascript/mastodon/initial_state.js
index 38e7b0595..56fb58546 100644
--- a/app/javascript/mastodon/initial_state.js
+++ b/app/javascript/mastodon/initial_state.js
@@ -23,5 +23,6 @@ export const forceSingleColumn = !getMeta('advanced_layout');
 export const useBlurhash = getMeta('use_blurhash');
 export const usePendingItems = getMeta('use_pending_items');
 export const showTrends = getMeta('trends');
+export const title = getMeta('title');
 
 export default initialState;
diff --git a/app/javascript/mastodon/reducers/index.js b/app/javascript/mastodon/reducers/index.js
index 3b60878eb..0f4b209d4 100644
--- a/app/javascript/mastodon/reducers/index.js
+++ b/app/javascript/mastodon/reducers/index.js
@@ -32,6 +32,7 @@ import suggestions from './suggestions';
 import polls from './polls';
 import identity_proofs from './identity_proofs';
 import trends from './trends';
+import missed_updates from './missed_updates';
 
 const reducers = {
   dropdown_menu,
@@ -67,6 +68,7 @@ const reducers = {
   suggestions,
   polls,
   trends,
+  missed_updates,
 };
 
 export default combineReducers(reducers);
diff --git a/app/javascript/mastodon/reducers/missed_updates.js b/app/javascript/mastodon/reducers/missed_updates.js
new file mode 100644
index 000000000..eeb8b40f6
--- /dev/null
+++ b/app/javascript/mastodon/reducers/missed_updates.js
@@ -0,0 +1,23 @@
+import { Map as ImmutableMap } from 'immutable';
+import { NOTIFICATIONS_UPDATE } from 'mastodon/actions/notifications';
+import { TIMELINE_UPDATE } from 'mastodon/actions/timelines';
+import { APP_FOCUS, APP_UNFOCUS } from 'mastodon/actions/app';
+
+const initialState = ImmutableMap({
+  focused: true,
+  unread: 0,
+});
+
+export default function missed_updates(state = initialState, action) {
+  switch(action.type) {
+  case APP_FOCUS:
+    return state.set('focused', true).set('unread', 0);
+  case APP_UNFOCUS:
+    return state.set('focused', false);
+  case NOTIFICATIONS_UPDATE:
+  case TIMELINE_UPDATE:
+    return state.get('focused') ? state : state.update('unread', x => x + 1);
+  default:
+    return state;
+  }
+};
diff --git a/app/javascript/mastodon/utils/numbers.js b/app/javascript/mastodon/utils/numbers.js
index fdd8269ae..f7e4ceb93 100644
--- a/app/javascript/mastodon/utils/numbers.js
+++ b/app/javascript/mastodon/utils/numbers.js
@@ -4,7 +4,9 @@ import { FormattedNumber } from 'react-intl';
 export const shortNumberFormat = number => {
   if (number < 1000) {
     return <FormattedNumber value={number} />;
-  } else {
+  } else if (number < 1000000) {
     return <Fragment><FormattedNumber value={number / 1000} maximumFractionDigits={1} />K</Fragment>;
+  } else {
+    return <Fragment><FormattedNumber value={number / 1000000} maximumFractionDigits={1} />M</Fragment>;
   }
 };
diff --git a/app/models/account.rb b/app/models/account.rb
index b205c8c9e..60c06aaf0 100644
--- a/app/models/account.rb
+++ b/app/models/account.rb
@@ -506,7 +506,7 @@ class Account < ApplicationRecord
   end
 
   def emojifiable_text
-    [note, display_name, fields.map(&:value)].join(' ')
+    [note, display_name, fields.map(&:name), fields.map(&:value)].join(' ')
   end
 
   def clean_feed_manager
diff --git a/app/serializers/initial_state_serializer.rb b/app/serializers/initial_state_serializer.rb
index c92c5e606..2cebef2c0 100644
--- a/app/serializers/initial_state_serializer.rb
+++ b/app/serializers/initial_state_serializer.rb
@@ -12,6 +12,7 @@ class InitialStateSerializer < ActiveModel::Serializer
       access_token: object.token,
       locale: I18n.locale,
       domain: Rails.configuration.x.local_domain,
+      title: instance_presenter.site_title,
       admin: object.admin&.id&.to_s,
       search_enabled: Chewy.enabled?,
       repository: Mastodon::Version.repository,
diff --git a/app/services/account_search_service.rb b/app/services/account_search_service.rb
index 7bdffbbd2..e1874d045 100644
--- a/app/services/account_search_service.rb
+++ b/app/services/account_search_service.rb
@@ -21,18 +21,22 @@ class AccountSearchService < BaseService
     if resolving_non_matching_remote_account?
       [ResolveAccountService.new.call("#{query_username}@#{query_domain}")].compact
     else
-      search_results_and_exact_match.compact.uniq.slice(0, limit)
+      search_results_and_exact_match.compact.uniq
     end
   end
 
   def resolving_non_matching_remote_account?
-    options[:resolve] && !exact_match && !domain_is_local?
+    offset.zero? && options[:resolve] && !exact_match? && !domain_is_local?
   end
 
   def search_results_and_exact_match
-    exact = [exact_match]
-    return exact if !exact[0].nil? && limit == 1
-    exact + search_results.to_a
+    return search_results.to_a unless offset.zero?
+
+    results = [exact_match]
+
+    return results if exact_match? && limit == 1
+
+    results + search_results.to_a
   end
 
   def query_blank_or_hashtag?
@@ -40,15 +44,15 @@ class AccountSearchService < BaseService
   end
 
   def split_query_string
-    @_split_query_string ||= query.gsub(/\A@/, '').split('@')
+    @split_query_string ||= query.gsub(/\A@/, '').split('@')
   end
 
   def query_username
-    @_query_username ||= split_query_string.first || ''
+    @query_username ||= split_query_string.first || ''
   end
 
   def query_domain
-    @_query_domain ||= query_without_split? ? nil : split_query_string.last
+    @query_domain ||= query_without_split? ? nil : split_query_string.last
   end
 
   def query_without_split?
@@ -56,15 +60,21 @@ class AccountSearchService < BaseService
   end
 
   def domain_is_local?
-    @_domain_is_local ||= TagManager.instance.local_domain?(query_domain)
+    @domain_is_local ||= TagManager.instance.local_domain?(query_domain)
   end
 
   def search_from
     options[:following] && account ? account.following : Account
   end
 
+  def exact_match?
+    exact_match.present?
+  end
+
   def exact_match
-    @_exact_match ||= begin
+    return @exact_match if defined?(@exact_match)
+
+    @exact_match = begin
       if domain_is_local?
         search_from.without_suspended.find_local(query_username)
       else
@@ -74,7 +84,7 @@ class AccountSearchService < BaseService
   end
 
   def search_results
-    @_search_results ||= begin
+    @search_results ||= begin
       if account
         advanced_search_results
       else
@@ -84,11 +94,19 @@ class AccountSearchService < BaseService
   end
 
   def advanced_search_results
-    Account.advanced_search_for(terms_for_query, account, limit, options[:following], offset)
+    Account.advanced_search_for(terms_for_query, account, limit_for_non_exact_results, options[:following], offset)
   end
 
   def simple_search_results
-    Account.search_for(terms_for_query, limit, offset)
+    Account.search_for(terms_for_query, limit_for_non_exact_results, offset)
+  end
+
+  def limit_for_non_exact_results
+    if offset.zero? && exact_match?
+      limit - 1
+    else
+      limit
+    end
   end
 
   def terms_for_query
diff --git a/package.json b/package.json
index 0aaf47802..30eaeb7c6 100644
--- a/package.json
+++ b/package.json
@@ -85,7 +85,7 @@
     "classnames": "^2.2.5",
     "compression-webpack-plugin": "^3.0.0",
     "cross-env": "^5.1.4",
-    "css-loader": "^3.1.0",
+    "css-loader": "^3.2.0",
     "cssnano": "^4.1.10",
     "detect-passive-events": "^1.0.2",
     "dotenv": "^8.0.0",
@@ -150,11 +150,11 @@
     "requestidlecallback": "^0.3.0",
     "reselect": "^4.0.0",
     "rimraf": "^2.6.3",
-    "sass": "^1.22.7",
+    "sass": "^1.22.9",
     "sass-loader": "^7.0.3",
     "stringz": "^2.0.0",
     "substring-trie": "^1.0.2",
-    "terser-webpack-plugin": "^1.3.0",
+    "terser-webpack-plugin": "^1.4.1",
     "throng": "^4.0.0",
     "tiny-queue": "^0.2.1",
     "uuid": "^3.1.0",
@@ -180,7 +180,7 @@
     "react-intl-translations-manager": "^5.0.3",
     "react-test-renderer": "^16.8.6",
     "sass-lint": "^1.13.1",
-    "webpack-dev-server": "^3.7.2",
+    "webpack-dev-server": "^3.8.0",
     "yargs": "^13.3.0"
   }
 }
diff --git a/yarn.lock b/yarn.lock
index 238b0ce96..9e1515e7d 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1965,6 +1965,11 @@ bluebird@^3.5.1, bluebird@^3.5.3:
   resolved "https://registry.yarnpkg.com/bluebird/-/bluebird-3.5.3.tgz#7d01c6f9616c9a51ab0f8c549a79dfe6ec33efa7"
   integrity sha512-/qKPUQlaW1OyR51WeCPBvRnAlnZFUJkCSG5HzGnuIqhgyJtF+T94lFnn33eiazjRm2LAHVy2guNnaq48X9SJuw==
 
+bluebird@^3.5.5:
+  version "3.5.5"
+  resolved "https://registry.yarnpkg.com/bluebird/-/bluebird-3.5.5.tgz#a8d0afd73251effbbd5fe384a77d73003c17a71f"
+  integrity sha512-5am6HnnfN+urzt4yfg7IgTbotDjIT/u8AJpEt0sIU9FtXfVeezXAPKswrG+xKUCOYAINpSdgZVDU6QFh+cuH3w==
+
 blurhash@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/blurhash/-/blurhash-1.0.0.tgz#9087bc5cc4d482f1305059d7410df4133adcab2e"
@@ -2187,7 +2192,7 @@ bytes@3.1.0:
   resolved "https://registry.yarnpkg.com/bytes/-/bytes-3.1.0.tgz#f6cf7933a360e0588fa9fde85651cdc7f805d1f6"
   integrity sha512-zauLjrfCG+xvoyaqLoV8bLVXXNGC4JqlxFCutSDWA6fJrTo2ZuvLYTqZ7aHBLZSMOopbzwv8f+wZcVzfVTI2Dg==
 
-cacache@^11.2.0, cacache@^11.3.2:
+cacache@^11.2.0:
   version "11.3.2"
   resolved "https://registry.yarnpkg.com/cacache/-/cacache-11.3.2.tgz#2d81e308e3d258ca38125b676b98b2ac9ce69bfa"
   integrity sha512-E0zP4EPGDOaT2chM08Als91eYnf8Z+eH1awwwVsngUmgppfM5jjJ8l3z5vO5p5w/I3LsiXawb1sW0VY65pQABg==
@@ -2207,6 +2212,27 @@ cacache@^11.2.0, cacache@^11.3.2:
     unique-filename "^1.1.1"
     y18n "^4.0.0"
 
+cacache@^12.0.2:
+  version "12.0.2"
+  resolved "https://registry.yarnpkg.com/cacache/-/cacache-12.0.2.tgz#8db03205e36089a3df6954c66ce92541441ac46c"
+  integrity sha512-ifKgxH2CKhJEg6tNdAwziu6Q33EvuG26tYcda6PT3WKisZcYDXsnEdnRv67Po3yCzFfaSoMjGZzJyD2c3DT1dg==
+  dependencies:
+    bluebird "^3.5.5"
+    chownr "^1.1.1"
+    figgy-pudding "^3.5.1"
+    glob "^7.1.4"
+    graceful-fs "^4.1.15"
+    infer-owner "^1.0.3"
+    lru-cache "^5.1.1"
+    mississippi "^3.0.0"
+    mkdirp "^0.5.1"
+    move-concurrently "^1.0.1"
+    promise-inflight "^1.0.1"
+    rimraf "^2.6.3"
+    ssri "^6.0.1"
+    unique-filename "^1.1.1"
+    y18n "^4.0.0"
+
 cache-base@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/cache-base/-/cache-base-1.0.1.tgz#0a7f46416831c8b662ee36fe4e7c59d76f666ab2"
@@ -2530,7 +2556,7 @@ combined-stream@^1.0.6, combined-stream@~1.0.6:
   dependencies:
     delayed-stream "~1.0.0"
 
-commander@^2.11.0, commander@^2.18.0, commander@^2.19.0, commander@^2.8.1, commander@~2.20.0:
+commander@^2.11.0, commander@^2.18.0, commander@^2.19.0, commander@^2.20.0, commander@^2.8.1, commander@~2.20.0:
   version "2.20.0"
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.20.0.tgz#d58bb2b5c1ee8f87b0d340027e9e94e222c5a422"
   integrity sha512-7j2y+40w61zy6YC2iRNpUe/NwhNyoXrYpHMrSunaMG64nRnaf96zO/KMQR4OyN/UnE5KLyEBnKHd4aG3rskjpQ==
@@ -2849,10 +2875,10 @@ css-list-helpers@^1.0.1:
   dependencies:
     tcomb "^2.5.0"
 
-css-loader@^3.1.0:
-  version "3.1.0"
-  resolved "https://registry.yarnpkg.com/css-loader/-/css-loader-3.1.0.tgz#6f008b993b8ce812e6bab57f3cbfdc7a7cf28685"
-  integrity sha512-MuL8WsF/KSrHCBCYaozBKlx+r7vIfUaDTEreo7wR7Vv3J6N0z6fqWjRk3e/6wjneitXN1r/Y9FTK1psYNOBdJQ==
+css-loader@^3.2.0:
+  version "3.2.0"
+  resolved "https://registry.yarnpkg.com/css-loader/-/css-loader-3.2.0.tgz#bb570d89c194f763627fcf1f80059c6832d009b2"
+  integrity sha512-QTF3Ud5H7DaZotgdcJjGMvyDj5F3Pn1j/sC6VBEOVp94cbwqyIBdcs/quzj4MC1BKQSrTpQznegH/5giYbhnCQ==
   dependencies:
     camelcase "^5.3.1"
     cssesc "^3.0.0"
@@ -4231,13 +4257,13 @@ finalhandler@~1.1.2:
     statuses "~1.5.0"
     unpipe "~1.0.0"
 
-find-cache-dir@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/find-cache-dir/-/find-cache-dir-2.0.0.tgz#4c1faed59f45184530fb9d7fa123a4d04a98472d"
-  integrity sha512-LDUY6V1Xs5eFskUVYtIwatojt6+9xC9Chnlk/jYOOvn3FAFfSaWddxahDGyNHh0b2dMXa6YW2m0tk8TdVaXHlA==
+find-cache-dir@^2.0.0, find-cache-dir@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/find-cache-dir/-/find-cache-dir-2.1.0.tgz#8d0f94cd13fe43c6c7c261a0d86115ca918c05f7"
+  integrity sha512-Tq6PixE0w/VMFfCgbONnkiQIVol/JJL7nRMi20fqzA4NRs9AfeqMGeRdPi3wIhYkxjeBaWh2rxwapn5Tu3IqOQ==
   dependencies:
     commondir "^1.0.1"
-    make-dir "^1.0.0"
+    make-dir "^2.0.0"
     pkg-dir "^3.0.0"
 
 find-cache-dir@^3.0.0:
@@ -4549,7 +4575,7 @@ glob-parent@^5.0.0:
   dependencies:
     is-glob "^4.0.1"
 
-glob@^7.0.0, glob@^7.0.3, glob@^7.1.1, glob@^7.1.2, glob@^7.1.3, glob@~7.1.1:
+glob@^7.0.0, glob@^7.0.3, glob@^7.1.1, glob@^7.1.2, glob@^7.1.3, glob@^7.1.4, glob@~7.1.1:
   version "7.1.4"
   resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.4.tgz#aa608a2f6c577ad357e1ae5a5c26d9a8d1969255"
   integrity sha512-hkLPepehmnKk41pUGm3sYxoFs/umurYfYJCerbXEyFIWcAzvpipAgVkBqqT9RBKMGjnq6kMuyYwha6csxbiM1A==
@@ -5048,6 +5074,11 @@ indexof@0.0.1:
   resolved "https://registry.yarnpkg.com/indexof/-/indexof-0.0.1.tgz#82dc336d232b9062179d05ab3293a66059fd435d"
   integrity sha1-gtwzbSMrkGIXnQWrMpOmYFn9Q10=
 
+infer-owner@^1.0.3:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/infer-owner/-/infer-owner-1.0.4.tgz#c4cefcaa8e51051c2a40ba2ce8a3d27295af9467"
+  integrity sha512-IClj+Xz94+d7irH5qRyfJonOdfTzuDaifE6ZPWfx0N0+/ATZCbuTPq2prFl526urkQd90WyUKIh1DfBQ2hMz9A==
+
 inflight@^1.0.4:
   version "1.0.6"
   resolved "https://registry.yarnpkg.com/inflight/-/inflight-1.0.6.tgz#49bd6331d7d02d0c09bc910a1075ba8165b56df9"
@@ -5198,6 +5229,11 @@ is-absolute-url@^2.0.0:
   resolved "https://registry.yarnpkg.com/is-absolute-url/-/is-absolute-url-2.1.0.tgz#50530dfb84fcc9aa7dbe7852e83a37b93b9f2aa6"
   integrity sha1-UFMN+4T8yap9vnhS6Do3uTufKqY=
 
+is-absolute-url@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/is-absolute-url/-/is-absolute-url-3.0.0.tgz#eb21d69df2ed8ef72a3e6f243e216563036a0913"
+  integrity sha512-3OkP8XrM2Xq4/IxsJnClfMp3OaM3TAatLPLKPeWcxLBTrpe6hihwtX+XZfJTcXg/FTRi4qjy0y/C5qiyNxY24g==
+
 is-accessor-descriptor@^0.1.6:
   version "0.1.6"
   resolved "https://registry.yarnpkg.com/is-accessor-descriptor/-/is-accessor-descriptor-0.1.6.tgz#a9e12cb3ae8d876727eeef3843f8a0897b5c98d6"
@@ -6359,13 +6395,21 @@ lru-cache@^5.1.1:
   dependencies:
     yallist "^3.0.2"
 
-make-dir@^1.0.0, make-dir@^1.3.0:
+make-dir@^1.3.0:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/make-dir/-/make-dir-1.3.0.tgz#79c1033b80515bd6d24ec9933e860ca75ee27f0c"
   integrity sha512-2w31R7SJtieJJnQtGc7RVL2StM2vGYVfqUOvUDxH6bC6aJTxPxTF0GnIgCyu7tjockiUWAYQRbxa7vKn34s5sQ==
   dependencies:
     pify "^3.0.0"
 
+make-dir@^2.0.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/make-dir/-/make-dir-2.1.0.tgz#5f0310e18b8be898cc07009295a30ae41e91e6f5"
+  integrity sha512-LS9X+dc8KLxXCb8dni79fLIIUA5VyZoyjSMCwTluaXA0o27cCK0bhXkpgw+sTXVpPy/lSO57ilRixqk0vDmtRA==
+  dependencies:
+    pify "^4.0.1"
+    semver "^5.6.0"
+
 make-dir@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/make-dir/-/make-dir-3.0.0.tgz#1b5f39f6b9270ed33f9f054c5c0f84304989f801"
@@ -7581,10 +7625,10 @@ pn@^1.1.0:
   resolved "https://registry.yarnpkg.com/pn/-/pn-1.1.0.tgz#e2f4cef0e219f463c179ab37463e4e1ecdccbafb"
   integrity sha512-2qHaIQr2VLRFoxe2nASzsV6ef4yOOH+Fi9FBOVH6cqeSgUnoyySPZkxzLuzd+RYOQTRpROA0ztTMqxROKSb/nA==
 
-portfinder@^1.0.20:
-  version "1.0.20"
-  resolved "https://registry.yarnpkg.com/portfinder/-/portfinder-1.0.20.tgz#bea68632e54b2e13ab7b0c4775e9b41bf270e44a"
-  integrity sha512-Yxe4mTyDzTd59PZJY4ojZR8F+E5e97iq2ZOHPz3HDgSvYC5siNad2tLooQ5y5QHyQhc3xVqvyk/eNA3wuoa7Sw==
+portfinder@^1.0.21:
+  version "1.0.21"
+  resolved "https://registry.yarnpkg.com/portfinder/-/portfinder-1.0.21.tgz#60e1397b95ac170749db70034ece306b9a27e324"
+  integrity sha512-ESabpDCzmBS3ekHbmpAIiESq3udRsCBGiBZLsC+HgBKv2ezb0R4oG+7RnYEVZ/ZCfhel5Tx3UzdNWA0Lox2QCA==
   dependencies:
     async "^1.5.2"
     debug "^2.2.0"
@@ -9058,10 +9102,10 @@ sass-loader@^7.0.3:
     pify "^3.0.0"
     semver "^5.5.0"
 
-sass@^1.22.7:
-  version "1.22.7"
-  resolved "https://registry.yarnpkg.com/sass/-/sass-1.22.7.tgz#5a1a77dc11aa659db4e782d238bf9f3d44a60546"
-  integrity sha512-ahREi0AdG7RTovSv14+yd1prQSfIvFcrDpOsth5EQf1+RM7SvOxsSttzNQaFmK1aa/k/3vyYwlYF5l0Xl+6c+g==
+sass@^1.22.9:
+  version "1.22.9"
+  resolved "https://registry.yarnpkg.com/sass/-/sass-1.22.9.tgz#41a2ed6038027f58be2bd5041293452a29c2cb84"
+  integrity sha512-FzU1X2V8DlnqabrL4u7OBwD2vcOzNMongEJEx3xMEhWY/v26FFR3aG0hyeu2T965sfR0E9ufJwmG+Qjz78vFPQ==
   dependencies:
     chokidar ">=2.0.0 <4.0.0"
 
@@ -9125,10 +9169,10 @@ semver@4.3.2:
   resolved "https://registry.yarnpkg.com/semver/-/semver-4.3.2.tgz#c7a07158a80bedd052355b770d82d6640f803be7"
   integrity sha1-x6BxWKgL7dBSNVt3DYLWZA+AO+c=
 
-semver@^6.0.0, semver@^6.1.0, semver@^6.1.1, semver@^6.1.2:
-  version "6.2.0"
-  resolved "https://registry.yarnpkg.com/semver/-/semver-6.2.0.tgz#4d813d9590aaf8a9192693d6c85b9344de5901db"
-  integrity sha512-jdFC1VdUGT/2Scgbimf7FSx9iJLXoqfglSF+gJeuNWVpiE37OIbc1jywR/GJyFdz3mnkz2/id0L0J/cr0izR5A==
+semver@^6.0.0, semver@^6.1.0, semver@^6.1.2, semver@^6.3.0:
+  version "6.3.0"
+  resolved "https://registry.yarnpkg.com/semver/-/semver-6.3.0.tgz#ee0a64c8af5e8ceea67687b133761e1becbd1d3d"
+  integrity sha512-b39TBaTSfV6yBrapU89p5fKekE2m/NwnDocOVruQFS1/veMgdzuPcnOM34M6CwxW8jH/lxEa5rBoDeUwu5HHTw==
 
 send@0.17.1:
   version "0.17.1"
@@ -9378,10 +9422,10 @@ source-map-support@^0.5.6:
     buffer-from "^1.0.0"
     source-map "^0.6.0"
 
-source-map-support@~0.5.10:
-  version "0.5.12"
-  resolved "https://registry.yarnpkg.com/source-map-support/-/source-map-support-0.5.12.tgz#b4f3b10d51857a5af0138d3ce8003b201613d599"
-  integrity sha512-4h2Pbvyy15EE02G+JOZpUCmqWJuqrs+sEkzewTm++BPi7Hvn/HwcqLAcNxYAyI0x13CpPPn+kMjl+hplXMHITQ==
+source-map-support@~0.5.12:
+  version "0.5.13"
+  resolved "https://registry.yarnpkg.com/source-map-support/-/source-map-support-0.5.13.tgz#31b24a9c2e73c2de85066c0feb7d44767ed52932"
+  integrity sha512-SHSKFHadjVA5oR4PPqhtAVdcBWwRYVd6g6cAXnIbRiIwc2EhPrTuKUBdSLvlEKyIP3GCf89fltvcZiP9MMFA1w==
   dependencies:
     buffer-from "^1.0.0"
     source-map "^0.6.0"
@@ -9444,10 +9488,10 @@ spdy-transport@^3.0.0:
     readable-stream "^3.0.6"
     wbuf "^1.7.3"
 
-spdy@^4.0.0:
-  version "4.0.0"
-  resolved "https://registry.yarnpkg.com/spdy/-/spdy-4.0.0.tgz#81f222b5a743a329aa12cea6a390e60e9b613c52"
-  integrity sha512-ot0oEGT/PGUpzf/6uk4AWLqkq+irlqHXkrdbk51oWONh3bxQmBuljxPNl66zlRRcIJStWq0QkLUCPOPjgjvU0Q==
+spdy@^4.0.1:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/spdy/-/spdy-4.0.1.tgz#6f12ed1c5db7ea4f24ebb8b89ba58c87c08257f2"
+  integrity sha512-HeZS3PBdMA+sZSu0qwpCxl3DeALD5ASx8pAX0jZdKXSpPWbQ6SYGnlg3BBmYLx5LtiZrmkAZfErCm2oECBcioA==
   dependencies:
     debug "^4.1.0"
     handle-thing "^2.0.0"
@@ -9796,30 +9840,29 @@ tcomb@^2.5.0:
   resolved "https://registry.yarnpkg.com/tcomb/-/tcomb-2.7.0.tgz#10d62958041669a5d53567b9a4ee8cde22b1c2b0"
   integrity sha1-ENYpWAQWaaXVNWe5pO6M3iKxwrA=
 
-terser-webpack-plugin@^1.1.0, terser-webpack-plugin@^1.3.0:
-  version "1.3.0"
-  resolved "https://registry.yarnpkg.com/terser-webpack-plugin/-/terser-webpack-plugin-1.3.0.tgz#69aa22426299f4b5b3775cbed8cb2c5d419aa1d4"
-  integrity sha512-W2YWmxPjjkUcOWa4pBEv4OP4er1aeQJlSo2UhtCFQCuRXEHjOFscO8VyWHj9JLlA0RzQb8Y2/Ta78XZvT54uGg==
+terser-webpack-plugin@^1.1.0, terser-webpack-plugin@^1.4.1:
+  version "1.4.1"
+  resolved "https://registry.yarnpkg.com/terser-webpack-plugin/-/terser-webpack-plugin-1.4.1.tgz#61b18e40eaee5be97e771cdbb10ed1280888c2b4"
+  integrity sha512-ZXmmfiwtCLfz8WKZyYUuuHf3dMYEjg8NrjHMb0JqHVHVOSkzp3cW2/XG1fP3tRhqEqSzMwzzRQGtAPbs4Cncxg==
   dependencies:
-    cacache "^11.3.2"
-    find-cache-dir "^2.0.0"
+    cacache "^12.0.2"
+    find-cache-dir "^2.1.0"
     is-wsl "^1.1.0"
-    loader-utils "^1.2.3"
     schema-utils "^1.0.0"
     serialize-javascript "^1.7.0"
     source-map "^0.6.1"
-    terser "^4.0.0"
-    webpack-sources "^1.3.0"
+    terser "^4.1.2"
+    webpack-sources "^1.4.0"
     worker-farm "^1.7.0"
 
-terser@^4.0.0:
-  version "4.0.0"
-  resolved "https://registry.yarnpkg.com/terser/-/terser-4.0.0.tgz#ef356f6f359a963e2cc675517f21c1c382877374"
-  integrity sha512-dOapGTU0hETFl1tCo4t56FN+2jffoKyER9qBGoUFyZ6y7WLoKT0bF+lAYi6B6YsILcGF3q1C2FBh8QcKSCgkgA==
+terser@^4.1.2:
+  version "4.1.4"
+  resolved "https://registry.yarnpkg.com/terser/-/terser-4.1.4.tgz#4478b6a08bb096a61e793fea1a4434408bab936c"
+  integrity sha512-+ZwXJvdSwbd60jG0Illav0F06GDJF0R4ydZ21Q3wGAFKoBGyJGo34F63vzJHgvYxc1ukOtIjvwEvl9MkjzM6Pg==
   dependencies:
-    commander "^2.19.0"
+    commander "^2.20.0"
     source-map "~0.6.1"
-    source-map-support "~0.5.10"
+    source-map-support "~0.5.12"
 
 test-exclude@^5.0.0:
   version "5.1.0"
@@ -10356,10 +10399,10 @@ webpack-dev-middleware@^3.7.0:
     range-parser "^1.2.1"
     webpack-log "^2.0.0"
 
-webpack-dev-server@^3.7.2:
-  version "3.7.2"
-  resolved "https://registry.yarnpkg.com/webpack-dev-server/-/webpack-dev-server-3.7.2.tgz#f79caa5974b7f8b63268ef5421222a8486d792f5"
-  integrity sha512-mjWtrKJW2T9SsjJ4/dxDC2fkFVUw8jlpemDERqV0ZJIkjjjamR2AbQlr3oz+j4JLhYCHImHnXZK5H06P2wvUew==
+webpack-dev-server@^3.8.0:
+  version "3.8.0"
+  resolved "https://registry.yarnpkg.com/webpack-dev-server/-/webpack-dev-server-3.8.0.tgz#06cc4fc2f440428508d0e9770da1fef10e5ef28d"
+  integrity sha512-Hs8K9yI6pyMvGkaPTeTonhD6JXVsigXDApYk9JLW4M7viVBspQvb1WdAcWxqtmttxNW4zf2UFLsLNe0y87pIGQ==
   dependencies:
     ansi-html "0.0.7"
     bonjour "^3.5.0"
@@ -10374,23 +10417,25 @@ webpack-dev-server@^3.7.2:
     import-local "^2.0.0"
     internal-ip "^4.3.0"
     ip "^1.1.5"
+    is-absolute-url "^3.0.0"
     killable "^1.0.1"
     loglevel "^1.6.3"
     opn "^5.5.0"
     p-retry "^3.0.1"
-    portfinder "^1.0.20"
+    portfinder "^1.0.21"
     schema-utils "^1.0.0"
     selfsigned "^1.10.4"
-    semver "^6.1.1"
+    semver "^6.3.0"
     serve-index "^1.9.1"
     sockjs "0.3.19"
     sockjs-client "1.3.0"
-    spdy "^4.0.0"
+    spdy "^4.0.1"
     strip-ansi "^3.0.1"
     supports-color "^6.1.0"
     url "^0.11.0"
     webpack-dev-middleware "^3.7.0"
     webpack-log "^2.0.0"
+    ws "^6.2.1"
     yargs "12.0.5"
 
 webpack-log@^2.0.0:
@@ -10408,10 +10453,10 @@ webpack-merge@^4.2.1:
   dependencies:
     lodash "^4.17.5"
 
-webpack-sources@^1.0.0, webpack-sources@^1.0.1, webpack-sources@^1.1.0, webpack-sources@^1.3.0:
-  version "1.3.0"
-  resolved "https://registry.yarnpkg.com/webpack-sources/-/webpack-sources-1.3.0.tgz#2a28dcb9f1f45fe960d8f1493252b5ee6530fa85"
-  integrity sha512-OiVgSrbGu7NEnEvQJJgdSFPl2qWKkWq5lHMhgiToIiN9w34EBnjYzSYs+VbL5KoYiLNtFFa7BZIKxRED3I32pA==
+webpack-sources@^1.0.0, webpack-sources@^1.0.1, webpack-sources@^1.1.0, webpack-sources@^1.3.0, webpack-sources@^1.4.0:
+  version "1.4.3"
+  resolved "https://registry.yarnpkg.com/webpack-sources/-/webpack-sources-1.4.3.tgz#eedd8ec0b928fbf1cbfe994e22d2d890f330a933"
+  integrity sha512-lgTS3Xhv1lCOKo7SA5TjKXMjpSM4sBjNV5+q2bqesbSPs5FjGmU6jjtBSkX9b4qW87vDIsCIlUPOEhbZrMdjeQ==
   dependencies:
     source-list-map "^2.0.0"
     source-map "~0.6.1"
@@ -10588,10 +10633,10 @@ ws@^5.2.0:
   dependencies:
     async-limiter "~1.0.0"
 
-ws@^6.0.0:
-  version "6.1.2"
-  resolved "https://registry.yarnpkg.com/ws/-/ws-6.1.2.tgz#3cc7462e98792f0ac679424148903ded3b9c3ad8"
-  integrity sha512-rfUqzvz0WxmSXtJpPMX2EeASXabOrSMk1ruMOV3JBTBjo4ac2lDjGGsbQSyxj8Odhw5fBib8ZKEjDNvgouNKYw==
+ws@^6.0.0, ws@^6.2.1:
+  version "6.2.1"
+  resolved "https://registry.yarnpkg.com/ws/-/ws-6.2.1.tgz#442fdf0a47ed64f59b6a5d8ff130f4748ed524fb"
+  integrity sha512-GIyAXC2cB7LjvpgMt9EKS2ldqr0MTrORaleiOno6TweZ6r3TKtoFQWay/2PceJ3RuBasOHzXNn5Lrw1X0bEjqA==
   dependencies:
     async-limiter "~1.0.0"