diff --git a/package.json b/package.json
index 4f6a78b78d..8e4ea1fd47 100644
--- a/package.json
+++ b/package.json
@@ -86,6 +86,7 @@
     "@babel/preset-typescript": "^7.12.7",
     "@babel/register": "^7.12.10",
     "@babel/runtime": "^7.12.5",
+    "@principalstudio/html-webpack-inject-preload": "^1.2.7",
     "@types/flux": "^3.1.9",
     "@types/modernizr": "^3.5.3",
     "@types/node": "^14.14.22",
@@ -111,7 +112,7 @@
     "fake-indexeddb": "^3.1.2",
     "file-loader": "^5.1.0",
     "fs-extra": "^0.30.0",
-    "html-webpack-plugin": "^3.2.0",
+    "html-webpack-plugin": "^4.5.2",
     "jest": "^26.6.3",
     "jest-environment-jsdom-sixteen": "^1.0.3",
     "json-loader": "^0.5.7",
diff --git a/src/i18n/strings/de_DE.json b/src/i18n/strings/de_DE.json
index a5b0066976..8183384acb 100644
--- a/src/i18n/strings/de_DE.json
+++ b/src/i18n/strings/de_DE.json
@@ -16,7 +16,7 @@
     "Go to your browser to complete Sign In": "Gehe zu deinem Browser, um die Anmeldung abzuschließen",
     "Open user settings": "Benutzereinstellungen öffnen",
     "Unable to load config file: please refresh the page to try again.": "Konfigurationsdatei kann nicht geladen werden: Bitte aktualisiere die Seite, um es erneut zu versuchen.",
-    "Missing indexeddb worker script!": "Fehlendes indexeddb Worker-Skript!",
+    "Missing indexeddb worker script!": "Fehlendes indexeddb-Arbeitsskript!",
     "Previous/next recently visited room or community": "Vorheriger/nächster kürzlich besuchter Raum oder Community",
     "Unsupported browser": "Nicht unterstützter Browser",
     "Go to element.io": "Gehe zu element.io",
@@ -24,11 +24,11 @@
     "%(brand)s Desktop (%(platformName)s)": "%(brand)s Desktop (%(platformName)s)",
     "%(appName)s (%(browserName)s, %(osName)s)": "%(appName)s (%(browserName)s, %(osName)s)",
     "Please install <chromeLink>Chrome</chromeLink>, <firefoxLink>Firefox</firefoxLink>, or <safariLink>Safari</safariLink> for the best experience.": "Bitte installiere <chromeLink>Chrome</chromeLink>, <firefoxLink>Firefox</firefoxLink> oder <safariLink>Safari</safariLink> für das beste Erlebnis.",
-    "You can continue using your current browser, but some or all features may not work and the look and feel of the application may be incorrect.": "Du kannst deinen aktuellen Browser weiterhin verwenden, es kann aber sein, dass einige oder alle Funktionen nicht verfügbar sind oder dass Aussehen und Bedienung der Anwendung nicht korrekt ist.",
+    "You can continue using your current browser, but some or all features may not work and the look and feel of the application may be incorrect.": "Du kannst deinen aktuellen Browser weiterhin verwenden. Es ist aber möglich, dass nicht alles richtig funktioniert oder das Aussehen der App inkorrekt ist.",
     "I understand the risks and wish to continue": "Ich verstehe die Risiken und möchte fortfahren",
     "Your Element is misconfigured": "Dein Element ist falsch konfiguriert",
-    "Your Element configuration contains invalid JSON. Please correct the problem and reload the page.": "Deine Element-Konfiguration enthält ungültiges JSON. Bitte korrigiere das Problem und lade die Seite neu.",
-    "Download Completed": "Download fertiggestellt",
+    "Your Element configuration contains invalid JSON. Please correct the problem and reload the page.": "Deine Elementkonfiguration enthält ungültiges JSON. Bitte korrigiere das Problem und lade die Seite neu.",
+    "Download Completed": "Herunterladen fertiggestellt",
     "Open": "Öffnen",
     "%(brand)s uses advanced browser features which aren't supported by your current browser.": "%(brand)s verwendet erweiterte Browserfunktionen, die von deinem Browser nicht unterstützt werden.",
     "Your browser can't run %(brand)s": "Dein Browser kann %(brand)s nicht ausführen",
diff --git a/src/i18n/strings/et.json b/src/i18n/strings/et.json
index 12ed468209..acaaf562b5 100644
--- a/src/i18n/strings/et.json
+++ b/src/i18n/strings/et.json
@@ -32,5 +32,6 @@
     "Your Element configuration contains invalid JSON. Please correct the problem and reload the page.": "Sinu Element'i seadistustes on vigased JSON-vormingus andmed. Palun paranda see viga ja laadi leht uuesti.",
     "Your browser can't run %(brand)s": "%(brand)s ei toimi sinu brauseris",
     "%(brand)s uses advanced browser features which aren't supported by your current browser.": "%(brand)s kasutab mitmeid uusi brauseri-põhiseid tehnoloogiaid, mis ei ole veel sinu veebibrauseris toetatud.",
-    "Powered by Matrix": "Põhineb Matrix'il"
+    "Powered by Matrix": "Põhineb Matrix'il",
+    "Use %(brand)s on mobile": "Kasuta %(brand)s rakendust nutiseadmes"
 }
diff --git a/src/i18n/strings/oc.json b/src/i18n/strings/oc.json
index 002f260cb6..ffe8b038fc 100644
--- a/src/i18n/strings/oc.json
+++ b/src/i18n/strings/oc.json
@@ -10,5 +10,27 @@
     "Decentralised, encrypted chat &amp; collaboration powered by [matrix]": "Messatjariá chifrada, descentralizada e collaborativa propulsada per [matrix]",
     "Sign In": "Se connectar",
     "Create Account": "Crear un compte",
-    "Explore rooms": "Percórrer las salas"
+    "Explore rooms": "Percórrer las salas",
+    "Missing indexeddb worker script!": "Lo worker script IndexedDB manca !",
+    "Invalid configuration: no default server specified.": "Configuracion invalida : pas de servidor per defauta especificat.",
+    "Invalid configuration: can only specify one of default_server_config, default_server_name, or default_hs_url.": "Configuracion invalida : podètz unicament especificar un camp entre default_server_config, default_server_name, o default_hs_url.",
+    "Failed to start": "Non se pòt pas lançar",
+    "Go to element.io": "Anar a element.io",
+    "I understand the risks and wish to continue": "Compréni los risques e vòli contunhar",
+    "You can continue using your current browser, but some or all features may not work and the look and feel of the application may be incorrect.": "Podètz contunhar a utilizar lo vòstre navigator actual, mas qualques o totes las foncionalitats o/e l'apparéncia poirián mal foncionar .",
+    "Please install <chromeLink>Chrome</chromeLink>, <firefoxLink>Firefox</firefoxLink>, or <safariLink>Safari</safariLink> for the best experience.": "Si vos plai installatz <chromeLink>Chrome</chromeLink>, <firefoxLink>Firefox</firefoxLink>, o <safariLink>Safari</safariLink> per una melhora experiéncia.",
+    "Your browser can't run %(brand)s": "Lo vòstre navigator non pòt pas executar %(brand)s",
+    "%(brand)s uses advanced browser features which aren't supported by your current browser.": "%(brand)s utiliza de foncions avançadas que lo vòstre navigator non suporta pas.",
+    "Unsupported browser": "Navigator incompatible",
+    "Powered by Matrix": "Fonciona ambé Matrix",
+    "You need to be using HTTPS to place a screen-sharing call.": "Devetz utilizar HTTPS per apelar ambé partatge d'ecran.",
+    "%(appName)s (%(browserName)s, %(osName)s)": "%(appName)s (%(browserName)s, %(osName)s)",
+    "%(brand)s Desktop (%(platformName)s)": "%(brand)s de burèu (%(platformName)s)",
+    "Previous/next recently visited room or community": "Sala o comunautat recentament visitada precedenta/seguenta",
+    "Open user settings": "Dobrir los paramètres utilizaire",
+    "Open": "Dobrir",
+    "Download Completed": "Descargament acabat",
+    "Unable to load config file: please refresh the page to try again.": "Se pòt pas cargar lo fichièr de configuracion : si vos plai actualizatz la pagina per tornar ensajar.",
+    "Your Element configuration contains invalid JSON. Please correct the problem and reload the page.": "La configuracion d'Element conténe de JSON invalid. Si vos plai corregitz lo problème e actualizatz la pagina.",
+    "Your Element is misconfigured": "Lo vòstre Element es mal configurat"
 }
diff --git a/src/i18n/strings/th.json b/src/i18n/strings/th.json
index d9740a9aaf..e0c1f9c56b 100644
--- a/src/i18n/strings/th.json
+++ b/src/i18n/strings/th.json
@@ -1,13 +1,19 @@
 {
     "powered by Matrix": "ใช้เทคโนโลยี Matrix",
-    "Dismiss": "ไม่สนใจ",
+    "Dismiss": "ปิด",
     "Unknown device": "อุปกรณ์ที่ไม่รู้จัก",
     "You need to be using HTTPS to place a screen-sharing call.": "คุณต้องใช้ HTTPS เพื่อเริ่มติดต่อแบบแบ่งปันหน้าจอ",
     "Welcome to Element": "ยินดีต้อนรับสู่ Element",
     "Decentralised, encrypted chat &amp; collaboration powered by [matrix]": "ระบบแชทและประสานงาน ไร้ศูนย์กลางและเข้ารหัสได้ โดยใช้เทคโนโลยีจาก [matrix]",
-    "The message from the parser is: %(message)s": "ข้อความจากparserคือ:%(message)s",
+    "The message from the parser is: %(message)s": "ข้อความจากตัวแยกวิเคราะห์คือ: %(message)s",
     "Invalid JSON": "JSON ไม่ถูกต้อง",
-    "Sign In": "เข้าสู่ระบบ",
+    "Sign In": "ลงชื่อเข้า",
     "Create Account": "สร้างบัญชี",
-    "Explore rooms": "สำรวจห้อง"
+    "Explore rooms": "สำรวจห้อง",
+    "Download Completed": "การดาวน์โหลดเสร็จสมบูรณ์",
+    "Open user settings": "เปิดการตั้งค่าผู้ใช้",
+    "Go to element.io": "ไปยัง element.io",
+    "Failed to start": "ไม่สามารถเริ่ม",
+    "Open": "เปิด",
+    "Powered by Matrix": "ขับเคลื่อนโดย Matrix"
 }
diff --git a/src/vector/index.html b/src/vector/index.html
index b273de79a8..061d249e5d 100644
--- a/src/vector/index.html
+++ b/src/vector/index.html
@@ -22,7 +22,7 @@
     <meta name="msapplication-TileImage" content="<%= require('../../res/vector-icons/mstile-150.png') %>">
     <meta name="msapplication-config" content="<%= require('../../res/vector-icons/browserconfig.xml') %>">
     <meta name="theme-color" content="#ffffff">
-    <meta property="og:image" content="<%= htmlWebpackPlugin.options.vars.og_image_url %>" />
+    <meta property="og:image" content="<%= og_image_url %>" />
     <meta http-equiv="Content-Security-Policy" content="
         default-src 'none';
         style-src 'self' 'unsafe-inline';
@@ -49,15 +49,24 @@
            <link rel="stylesheet" href="<%= file %>">
         <% }
     } %>
+
+    <% for (var i=0; i < htmlWebpackPlugin.tags.headTags.length; i++) {
+        var tag = htmlWebpackPlugin.tags.headTags[i];
+        var path = tag.attributes && tag.attributes.href;
+        if (path.indexOf("Inter") !== -1) { %>
+            <link rel="preload" as="font" href="<%= path %>" crossorigin="anonymous"/>
+        <% }
+    } %>
+
   </head>
   <body
       style="height: 100%; margin: 0;"
-      data-vector-indexeddb-worker-script="<%= htmlWebpackPlugin.files.chunks['indexeddb-worker'].entry %>"
-      data-vector-recorder-worklet-script="<%= htmlWebpackPlugin.files.chunks['recorder-worklet'].entry %>"
+      data-vector-indexeddb-worker-script="<%= htmlWebpackPlugin.files.js.find(entry => entry.includes("indexeddb-worker.js")) %>"
+      data-vector-recorder-worklet-script="<%= htmlWebpackPlugin.files.js.find(entry => entry.includes("recorder-worklet.js")) %>"
   >
     <noscript>Sorry, Element requires JavaScript to be enabled.</noscript> <!-- TODO: Translate this? -->
     <section id="matrixchat" style="height: 100%; overflow: auto;" class="notranslate"></section>
-    <script src="<%= htmlWebpackPlugin.files.chunks['bundle'].entry %>"></script>
+    <script src="<%= htmlWebpackPlugin.files.js.find(entry => entry.includes("bundle.js")) %>"></script>
 
     <!-- Legacy supporting Prefetch images -->
     <img src="<%= require('matrix-react-sdk/res/img/warning.svg') %>" width="24" height="23" style="visibility: hidden; position: absolute; top: 0px; left: 0px;"/>
diff --git a/webpack.config.js b/webpack.config.js
index ce12bcb752..560beec121 100644
--- a/webpack.config.js
+++ b/webpack.config.js
@@ -4,6 +4,7 @@ const MiniCssExtractPlugin = require('mini-css-extract-plugin');
 const TerserPlugin = require('terser-webpack-plugin');
 const OptimizeCSSAssetsPlugin = require('optimize-css-assets-webpack-plugin');
 const webpack = require("webpack");
+const HtmlWebpackInjectPreload = require('@principalstudio/html-webpack-inject-preload');
 
 let ogImageUrl = process.env.RIOT_OG_IMAGE_URL;
 if (!ogImageUrl) ogImageUrl = 'https://app.element.io/themes/element/img/logos/opengraph.png';
@@ -244,7 +245,7 @@ module.exports = (env, argv) => {
                                     require("postcss-easings")(),
                                     require("postcss-strip-inline-comments")(),
                                     require("postcss-hexrgba")(),
-                                    require("postcss-calc")({warnWhenCannotResolve: true}),
+                                    require("postcss-calc")(),
 
                                     // It's important that this plugin is last otherwise we end
                                     // up with broken CSS.
@@ -344,7 +345,7 @@ module.exports = (env, argv) => {
                 inject: false,
                 excludeChunks: ['mobileguide', 'usercontent', 'jitsi'],
                 minify: argv.mode === 'production',
-                vars: {
+                templateParameters: {
                     og_image_url: ogImageUrl,
                 },
             }),
@@ -387,6 +388,10 @@ module.exports = (env, argv) => {
                 chunks: ['usercontent'],
             }),
 
+            new HtmlWebpackInjectPreload({
+                files: [{ match: /.*Inter.*\.woff2?$/ }],
+            }),
+
             ...additionalPlugins,
         ],
 
diff --git a/yarn.lock b/yarn.lock
index 3d48c75e31..ae11a3d732 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1263,6 +1263,11 @@
     "@nodelib/fs.scandir" "2.1.4"
     fastq "^1.6.0"
 
+"@principalstudio/html-webpack-inject-preload@^1.2.7":
+  version "1.2.7"
+  resolved "https://registry.yarnpkg.com/@principalstudio/html-webpack-inject-preload/-/html-webpack-inject-preload-1.2.7.tgz#0c1f0b32a34d814b36ce84111f89990441cc64e8"
+  integrity sha512-KJKkiKG63ugBjf8U0e9jUcI9CLPTFIsxXplEDE0oi3mPpxd90X9SJovo3W2l7yh/ARKIYXhQq8fSXUN7M29TzQ==
+
 "@sinonjs/commons@^1.7.0":
   version "1.8.2"
   resolved "https://registry.yarnpkg.com/@sinonjs/commons/-/commons-1.8.2.tgz#858f5c4b48d80778fde4b9d541f27edc0d56488b"
@@ -1292,6 +1297,11 @@
     remark "^13.0.0"
     unist-util-find-all-after "^3.0.2"
 
+"@types/anymatch@*":
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/@types/anymatch/-/anymatch-1.3.1.tgz#336badc1beecb9dacc38bea2cf32adf627a8421a"
+  integrity sha512-/+CRPXpBDpo2RK9C68N3b2cOvO0Cf5B9aPijHsoDQTHivnGSObdOF2BRQOYjojWTDy6nQvMjmqRXIxH55VjxxA==
+
 "@types/babel__core@^7.0.0", "@types/babel__core@^7.1.7":
   version "7.1.12"
   resolved "https://registry.yarnpkg.com/@types/babel__core/-/babel__core-7.1.12.tgz#4d8e9e51eb265552a7e4f1ff2219ab6133bdfb2d"
@@ -1358,6 +1368,11 @@
   dependencies:
     "@types/node" "*"
 
+"@types/html-minifier-terser@^5.0.0":
+  version "5.1.1"
+  resolved "https://registry.yarnpkg.com/@types/html-minifier-terser/-/html-minifier-terser-5.1.1.tgz#3c9ee980f1a10d6021ae6632ca3e79ca2ec4fb50"
+  integrity sha512-giAlZwstKbmvMk1OO7WXSj4OZ0keXAcl2TQq4LWHiiPH2ByaH7WeUzng+Qej8UPxxv+8lRTuouo0iaNDBuzIBA==
+
 "@types/istanbul-lib-coverage@*", "@types/istanbul-lib-coverage@^2.0.0", "@types/istanbul-lib-coverage@^2.0.1":
   version "2.0.3"
   resolved "https://registry.yarnpkg.com/@types/istanbul-lib-coverage/-/istanbul-lib-coverage-2.0.3.tgz#4ba8ddb720221f432e443bd5f9117fd22cfd4762"
@@ -1469,6 +1484,11 @@
   dependencies:
     htmlparser2 "^4.1.0"
 
+"@types/source-list-map@*":
+  version "0.1.2"
+  resolved "https://registry.yarnpkg.com/@types/source-list-map/-/source-list-map-0.1.2.tgz#0078836063ffaf17412349bba364087e0ac02ec9"
+  integrity sha512-K5K+yml8LTo9bWJI/rECfIPrGgxdpeNbj+d53lwN4QjW1MCwlkhUms+gtdzigTeUyBr09+u8BwOIY3MXvHdcsA==
+
 "@types/stack-utils@^1.0.1":
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/@types/stack-utils/-/stack-utils-1.0.1.tgz#0a851d3bd96498fa25c33ab7278ed3bd65f06c3e"
@@ -1479,11 +1499,44 @@
   resolved "https://registry.yarnpkg.com/@types/stack-utils/-/stack-utils-2.0.0.tgz#7036640b4e21cc2f259ae826ce843d277dad8cff"
   integrity sha512-RJJrrySY7A8havqpGObOB4W92QXKJo63/jFLLgpvOtsGUqbQZ9Sbgl35KMm1DjC6j7AvmmU2bIno+3IyEaemaw==
 
+"@types/tapable@^1", "@types/tapable@^1.0.5":
+  version "1.0.7"
+  resolved "https://registry.yarnpkg.com/@types/tapable/-/tapable-1.0.7.tgz#545158342f949e8fd3bfd813224971ecddc3fac4"
+  integrity sha512-0VBprVqfgFD7Ehb2vd8Lh9TG3jP98gvr8rgehQqzztZNI7o8zS8Ad4jyZneKELphpuE212D8J70LnSNQSyO6bQ==
+
+"@types/uglify-js@*":
+  version "3.13.0"
+  resolved "https://registry.yarnpkg.com/@types/uglify-js/-/uglify-js-3.13.0.tgz#1cad8df1fb0b143c5aba08de5712ea9d1ff71124"
+  integrity sha512-EGkrJD5Uy+Pg0NUR8uA4bJ5WMfljyad0G+784vLCNUkD+QwOJXUbBYExXfVGf7YtyzdQp3L/XMYcliB987kL5Q==
+  dependencies:
+    source-map "^0.6.1"
+
 "@types/unist@*", "@types/unist@^2.0.0", "@types/unist@^2.0.2":
   version "2.0.3"
   resolved "https://registry.yarnpkg.com/@types/unist/-/unist-2.0.3.tgz#9c088679876f374eb5983f150d4787aa6fb32d7e"
   integrity sha512-FvUupuM3rlRsRtCN+fDudtmytGO6iHJuuRKS1Ss0pG5z8oX0diNEw94UEL7hgDbpN94rgaK5R7sWm6RrSkZuAQ==
 
+"@types/webpack-sources@*":
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/@types/webpack-sources/-/webpack-sources-2.1.0.tgz#8882b0bd62d1e0ce62f183d0d01b72e6e82e8c10"
+  integrity sha512-LXn/oYIpBeucgP1EIJbKQ2/4ZmpvRl+dlrFdX7+94SKRUV3Evy3FsfMZY318vGhkWUS5MPhtOM3w1/hCOAOXcg==
+  dependencies:
+    "@types/node" "*"
+    "@types/source-list-map" "*"
+    source-map "^0.7.3"
+
+"@types/webpack@^4.41.8":
+  version "4.41.27"
+  resolved "https://registry.yarnpkg.com/@types/webpack/-/webpack-4.41.27.tgz#f47da488c8037e7f1b2dbf2714fbbacb61ec0ffc"
+  integrity sha512-wK/oi5gcHi72VMTbOaQ70VcDxSQ1uX8S2tukBK9ARuGXrYM/+u4ou73roc7trXDNmCxCoerE8zruQqX/wuHszA==
+  dependencies:
+    "@types/anymatch" "*"
+    "@types/node" "*"
+    "@types/tapable" "^1"
+    "@types/uglify-js" "*"
+    "@types/webpack-sources" "*"
+    source-map "^0.6.0"
+
 "@types/yargs-parser@*":
   version "20.2.0"
   resolved "https://registry.yarnpkg.com/@types/yargs-parser/-/yargs-parser-20.2.0.tgz#dd3e6699ba3237f0348cd085e4698780204842f9"
@@ -2270,11 +2323,6 @@ bcrypt-pbkdf@^1.0.0:
   dependencies:
     tweetnacl "^0.14.3"
 
-big.js@^3.1.3:
-  version "3.2.0"
-  resolved "https://registry.yarnpkg.com/big.js/-/big.js-3.2.0.tgz#a5fc298b81b9e0dca2e458824784b65c52ba588e"
-  integrity sha512-+hN/Zh2D08Mx65pZ/4g5bsmNiZUuChDiQfTUQ7qJr4/kuopCr88xZsAXv6mBoZEsUI4OuGHlX59qE94K2mMW8Q==
-
 big.js@^5.2.2:
   version "5.2.2"
   resolved "https://registry.yarnpkg.com/big.js/-/big.js-5.2.2.tgz#65f0af382f578bcdc742bd9c281e9cb2d7768328"
@@ -2658,13 +2706,13 @@ callsites@^3.0.0:
   resolved "https://registry.yarnpkg.com/callsites/-/callsites-3.1.0.tgz#b3630abd8943432f54b3f0519238e33cd7df2f73"
   integrity sha512-P8BjAsXvZS+VIDUI11hHCQEv74YT67YUi5JJFNWIqL235sBmjX4+qx9Muvls5ivyNENctx46xQLQ3aTuE7ssaQ==
 
-camel-case@3.0.x:
-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/camel-case/-/camel-case-3.0.0.tgz#ca3c3688a4e9cf3a4cda777dc4dcbc713249cf73"
-  integrity sha1-yjw2iKTpzzpM2nd9xNy8cTJJz3M=
+camel-case@^4.1.1:
+  version "4.1.2"
+  resolved "https://registry.yarnpkg.com/camel-case/-/camel-case-4.1.2.tgz#9728072a954f805228225a6deea6b38461e1bd5a"
+  integrity sha512-gxGWBrTT1JuMx6R+o5PTXMmUnhnVzLQ9SNutD4YqKtI6ap897t3tKECYla6gCWEkplXnlNybEkZg9GEGxKFCgw==
   dependencies:
-    no-case "^2.2.0"
-    upper-case "^1.1.1"
+    pascal-case "^3.1.2"
+    tslib "^2.0.3"
 
 camelcase-css@^2.0.1:
   version "2.0.1"
@@ -2906,7 +2954,7 @@ classnames@^2.2.6:
   resolved "https://registry.yarnpkg.com/classnames/-/classnames-2.2.6.tgz#43935bffdd291f326dad0a205309b38d00f650ce"
   integrity sha512-JR/iSQOSt+LQIWwrwEzJ9uk0xfN3mTVYMwt1Ir5mUcSN6pU+V4zQFFaJsclJbPuAUQH+yfWef6tm7l1quW3C8Q==
 
-clean-css@4.2.x:
+clean-css@^4.2.3:
   version "4.2.3"
   resolved "https://registry.yarnpkg.com/clean-css/-/clean-css-4.2.3.tgz#507b5de7d97b48ee53d84adb0160ff6216380f78"
   integrity sha512-VcMWDN54ZN/DS+g58HYL5/n4Zrqe8vHJpGA8KdgUXFU4fuP/aHNw8eld9SyEIyabIMJX/0RaY/fplOo5hYLSFA==
@@ -3039,20 +3087,15 @@ combined-stream@^1.0.6, combined-stream@~1.0.6:
   dependencies:
     delayed-stream "~1.0.0"
 
-commander@2.17.x:
-  version "2.17.1"
-  resolved "https://registry.yarnpkg.com/commander/-/commander-2.17.1.tgz#bd77ab7de6de94205ceacc72f1716d29f20a77bf"
-  integrity sha512-wPMUt6FnH2yzG95SA6mzjQOEKUU3aLaDEmzs1ti+1E9h+CsrZghRlqEM/EJ4KscsQVG8uNN4uVreUeT8+drlgg==
-
 commander@^2.19.0, commander@^2.20.0:
   version "2.20.3"
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.20.3.tgz#fd485e84c03eb4881c20722ba48035e8531aeb33"
   integrity sha512-GpVkmM8vF2vQUkj2LvZmD35JxeJOLCwJ9cUkugyk2nuhbv3+mJvpLYYt+0+USMxE+oj+ey/lJEnhZw75x/OMcQ==
 
-commander@~2.19.0:
-  version "2.19.0"
-  resolved "https://registry.yarnpkg.com/commander/-/commander-2.19.0.tgz#f6198aa84e5b83c46054b94ddedbfed5ee9ff12a"
-  integrity sha512-6tvAOO+D6OENvRAh524Dh9jcfKTYDQAqvqezbCW82xj5X0pSrcpxtvRKHLG0yBY6SD7PSDrJaj+0AiOcKVd1Xg==
+commander@^4.1.1:
+  version "4.1.1"
+  resolved "https://registry.yarnpkg.com/commander/-/commander-4.1.1.tgz#9fd602bd936294e9e9ef46a3f4d6964044b18068"
+  integrity sha512-NOKm8xhkzAjzFx8B2v5OAHT+u5pRQc2UCa2Vq9jYL/31o2wi9mxBA7LIFs3sV5VSC49z6pEhfbMULvShKj26WA==
 
 commondir@^1.0.1:
   version "1.0.1"
@@ -3955,6 +3998,14 @@ domutils@^2.0.0, domutils@^2.4.3, domutils@^2.4.4:
     domelementtype "^2.0.1"
     domhandler "^4.0.0"
 
+dot-case@^3.0.4:
+  version "3.0.4"
+  resolved "https://registry.yarnpkg.com/dot-case/-/dot-case-3.0.4.tgz#9b2b670d00a431667a8a75ba29cd1b98809ce751"
+  integrity sha512-Kv5nKlh6yRrdrGvxeJ2e5y2eRUpkUosIW4A2AS38zwSz27zu7ufDwQPi5Jhs3XAlGNetl3bmnGhQsMtkKJnj3w==
+  dependencies:
+    no-case "^3.0.4"
+    tslib "^2.0.3"
+
 dot-prop@^5.2.0:
   version "5.3.0"
   resolved "https://registry.yarnpkg.com/dot-prop/-/dot-prop-5.3.0.tgz#90ccce708cd9cd82cc4dc8c3ddd9abdd55b20e88"
@@ -4033,11 +4084,6 @@ emojibase-regex@^4.1.1:
   resolved "https://registry.yarnpkg.com/emojibase-regex/-/emojibase-regex-4.1.1.tgz#6e781aca520281600fe7a177f1582c33cf1fc545"
   integrity sha512-KSigB1zQkNKFygLZ5bAfHs87LJa1ni8QTQtq8lc53Y74NF3Dk2r7kfa8MpooTO8JBb5Xz660X4tSjDB+I+7elA==
 
-emojis-list@^2.0.0:
-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/emojis-list/-/emojis-list-2.1.0.tgz#4daa4d9db00f9819880c79fa457ae5b09a1fd389"
-  integrity sha1-TapNnbAPmBmIDHn6RXrlsJof04k=
-
 emojis-list@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/emojis-list/-/emojis-list-3.0.0.tgz#5570662046ad29e2e916e71aae260abdff4f6a78"
@@ -5576,7 +5622,7 @@ hash.js@^1.0.0, hash.js@^1.0.3:
     inherits "^2.0.3"
     minimalistic-assert "^1.0.1"
 
-he@1.2.x:
+he@^1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/he/-/he-1.2.0.tgz#84ae65fa7eafb165fddb61566ae14baf05664f0f"
   integrity sha512-F/1DnUGPopORZi0ni+CvrCgHQ5FyEAHRLSApuYWMmrbSwoN2Mn/7k+Gl38gJnR7yyDZk6WLXwiGod1JOWNDKGw==
@@ -5668,35 +5714,37 @@ html-escaper@^2.0.0:
   resolved "https://registry.yarnpkg.com/html-escaper/-/html-escaper-2.0.2.tgz#dfd60027da36a36dfcbe236262c00a5822681453"
   integrity sha512-H2iMtd0I4Mt5eYiapRdIDjp+XzelXQ0tFE4JS7YFwFevXXMmOp9myNrUvCg0D6ws8iqkRPBfKHgbwig1SmlLfg==
 
-html-minifier@^3.2.3:
-  version "3.5.21"
-  resolved "https://registry.yarnpkg.com/html-minifier/-/html-minifier-3.5.21.tgz#d0040e054730e354db008463593194015212d20c"
-  integrity sha512-LKUKwuJDhxNa3uf/LPR/KVjm/l3rBqtYeCOAekvG8F1vItxMUpueGd94i/asDDr8/1u7InxzFA5EeGjhhG5mMA==
+html-minifier-terser@^5.0.1:
+  version "5.1.1"
+  resolved "https://registry.yarnpkg.com/html-minifier-terser/-/html-minifier-terser-5.1.1.tgz#922e96f1f3bb60832c2634b79884096389b1f054"
+  integrity sha512-ZPr5MNObqnV/T9akshPKbVgyOqLmy+Bxo7juKCfTfnjNniTAMdy4hz21YQqoofMBJD2kdREaqPPdThoR78Tgxg==
   dependencies:
-    camel-case "3.0.x"
-    clean-css "4.2.x"
-    commander "2.17.x"
-    he "1.2.x"
-    param-case "2.1.x"
-    relateurl "0.2.x"
-    uglify-js "3.4.x"
+    camel-case "^4.1.1"
+    clean-css "^4.2.3"
+    commander "^4.1.1"
+    he "^1.2.0"
+    param-case "^3.0.3"
+    relateurl "^0.2.7"
+    terser "^4.6.3"
 
 html-tags@^3.1.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/html-tags/-/html-tags-3.1.0.tgz#7b5e6f7e665e9fb41f30007ed9e0d41e97fb2140"
   integrity sha512-1qYz89hW3lFDEazhjW0yVAV87lw8lVkrJocr72XmBkMKsoSVJCQx3W8BXsC7hO2qAt8BoVjYjtAcZ9perqGnNg==
 
-html-webpack-plugin@^3.2.0:
-  version "3.2.0"
-  resolved "https://registry.yarnpkg.com/html-webpack-plugin/-/html-webpack-plugin-3.2.0.tgz#b01abbd723acaaa7b37b6af4492ebda03d9dd37b"
-  integrity sha1-sBq71yOsqqeze2r0SS69oD2d03s=
+html-webpack-plugin@^4.5.2:
+  version "4.5.2"
+  resolved "https://registry.yarnpkg.com/html-webpack-plugin/-/html-webpack-plugin-4.5.2.tgz#76fc83fa1a0f12dd5f7da0404a54e2699666bc12"
+  integrity sha512-q5oYdzjKUIPQVjOosjgvCHQOv9Ett9CYYHlgvJeXG0qQvdSojnBq4vAdQBwn1+yGveAwHCoe/rMR86ozX3+c2A==
   dependencies:
-    html-minifier "^3.2.3"
-    loader-utils "^0.2.16"
-    lodash "^4.17.3"
-    pretty-error "^2.0.2"
-    tapable "^1.0.0"
-    toposort "^1.0.0"
+    "@types/html-minifier-terser" "^5.0.0"
+    "@types/tapable" "^1.0.5"
+    "@types/webpack" "^4.41.8"
+    html-minifier-terser "^5.0.1"
+    loader-utils "^1.2.3"
+    lodash "^4.17.20"
+    pretty-error "^2.1.1"
+    tapable "^1.1.3"
     util.promisify "1.0.0"
 
 htmlparser2@^3.10.0, htmlparser2@^3.10.1:
@@ -7136,11 +7184,6 @@ json3@^3.3.3:
   resolved "https://registry.yarnpkg.com/json3/-/json3-3.3.3.tgz#7fc10e375fc5ae42c4705a5cc0aa6f62be305b81"
   integrity sha512-c7/8mbUsKigAbLkD5B010BK4D9LZm7A1pNItkEwiUZRpIN66exu/e7YQWysGun+TRKaJp8MhemM+VkfWv42aCA==
 
-json5@^0.5.0:
-  version "0.5.1"
-  resolved "https://registry.yarnpkg.com/json5/-/json5-0.5.1.tgz#1eade7acc012034ad84e2396767ead9fa5495821"
-  integrity sha1-Hq3nrMASA0rYTiOWdn6tn6VJWCE=
-
 json5@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/json5/-/json5-1.0.1.tgz#779fb0018604fa854eacbf6252180d83543e3dbe"
@@ -7304,16 +7347,6 @@ loader-runner@^2.4.0:
   resolved "https://registry.yarnpkg.com/loader-runner/-/loader-runner-2.4.0.tgz#ed47066bfe534d7e84c4c7b9998c2a75607d9357"
   integrity sha512-Jsmr89RcXGIwivFY21FcRrisYZfvLMTWx5kOLc+JTxtpBOG6xML0vzbc6SEQG2FO9/4Fc3wW4LVcB5DmGflaRw==
 
-loader-utils@^0.2.16:
-  version "0.2.17"
-  resolved "https://registry.yarnpkg.com/loader-utils/-/loader-utils-0.2.17.tgz#f86e6374d43205a6e6c60e9196f17c0299bfb348"
-  integrity sha1-+G5jdNQyBabmxg6RlvF8Apm/s0g=
-  dependencies:
-    big.js "^3.1.3"
-    emojis-list "^2.0.0"
-    json5 "^0.5.0"
-    object-assign "^4.0.1"
-
 loader-utils@^1.1.0, loader-utils@^1.2.3, loader-utils@^1.4.0:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/loader-utils/-/loader-utils-1.4.0.tgz#c579b5e34cb34b1a74edc6c1fb36bfa371d5a613"
@@ -7386,7 +7419,7 @@ lodash.uniq@^4.5.0:
   resolved "https://registry.yarnpkg.com/lodash.uniq/-/lodash.uniq-4.5.0.tgz#d0225373aeb652adc1bc82e4945339a842754773"
   integrity sha1-0CJTc662Uq3BvILklFM5qEJ1R3M=
 
-lodash@^4.17.11, lodash@^4.17.14, lodash@^4.17.15, lodash@^4.17.19, lodash@^4.17.20, lodash@^4.17.3, lodash@^4.17.5, lodash@^4.2.1:
+lodash@^4.17.11, lodash@^4.17.14, lodash@^4.17.15, lodash@^4.17.19, lodash@^4.17.20, lodash@^4.17.5, lodash@^4.2.1:
   version "4.17.20"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.20.tgz#b44a9b6297bcb698f1c51a3545a2b3b368d59c52"
   integrity sha512-PlhdFcillOINfeV7Ni6oF1TAEayyZBoZ8bcshTHqOYJYlrqzRK5hagpagky5o4HfCzzd1TRkXPMFq6cKk9rGmA==
@@ -7422,10 +7455,12 @@ loose-envify@^1.0.0, loose-envify@^1.1.0, loose-envify@^1.4.0:
   dependencies:
     js-tokens "^3.0.0 || ^4.0.0"
 
-lower-case@^1.1.1:
-  version "1.1.4"
-  resolved "https://registry.yarnpkg.com/lower-case/-/lower-case-1.1.4.tgz#9a2cabd1b9e8e0ae993a4bf7d5875c39c42e8eac"
-  integrity sha1-miyr0bno4K6ZOkv31YdcOcQujqw=
+lower-case@^2.0.2:
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/lower-case/-/lower-case-2.0.2.tgz#6fa237c63dbdc4a82ca0fd882e4722dc5e634e28"
+  integrity sha512-7fm3l3NAF9WfN6W3JOmf5drwpVqX78JtoGJ3A6W0a6ZnldM41w2fV5D490psKFTpMds8TJse/eHLFFsNHHjHgg==
+  dependencies:
+    tslib "^2.0.3"
 
 lru-cache@^5.1.1:
   version "5.1.1"
@@ -7530,7 +7565,7 @@ matrix-mock-request@^1.2.3:
 
 "matrix-react-sdk@github:matrix-org/matrix-react-sdk#develop":
   version "3.18.0"
-  resolved "https://codeload.github.com/matrix-org/matrix-react-sdk/tar.gz/f74300733455e4d0c4eb9359dcce880092286b74"
+  resolved "https://codeload.github.com/matrix-org/matrix-react-sdk/tar.gz/21e7847686a18f90b0b19ac72ca937055d948ba7"
   dependencies:
     "@babel/runtime" "^7.12.5"
     await-lock "^2.1.0"
@@ -8050,12 +8085,13 @@ nice-try@^1.0.4:
   resolved "https://registry.yarnpkg.com/nice-try/-/nice-try-1.0.5.tgz#a3378a7696ce7d223e88fc9b764bd7ef1089e366"
   integrity sha512-1nh45deeb5olNY7eX82BkPO7SSxR5SSYJiPTrTdFUVYwAl8CKMA5N9PjTYkHiRjisVcxcQ1HXdLhx2qxxJzLNQ==
 
-no-case@^2.2.0:
-  version "2.3.2"
-  resolved "https://registry.yarnpkg.com/no-case/-/no-case-2.3.2.tgz#60b813396be39b3f1288a4c1ed5d1e7d28b464ac"
-  integrity sha512-rmTZ9kz+f3rCvK2TD1Ue/oZlns7OGoIWP4fc3llxxRXlOkHKoWPPWJOfFYpITabSow43QJbRIoHQXtt10VldyQ==
+no-case@^3.0.4:
+  version "3.0.4"
+  resolved "https://registry.yarnpkg.com/no-case/-/no-case-3.0.4.tgz#d361fd5c9800f558551a8369fc0dcd4662b6124d"
+  integrity sha512-fgAN3jGAh+RoxUGZHTSOLJIqUc2wmoBwGR4tbpNAKmmovFoWq0OdRkb0VkldReO2a2iBT/OEulG9XSUc10r3zg==
   dependencies:
-    lower-case "^1.1.1"
+    lower-case "^2.0.2"
+    tslib "^2.0.3"
 
 node-fetch@^1.0.1:
   version "1.7.3"
@@ -8596,12 +8632,13 @@ parallel-transform@^1.1.0:
     inherits "^2.0.3"
     readable-stream "^2.1.5"
 
-param-case@2.1.x:
-  version "2.1.1"
-  resolved "https://registry.yarnpkg.com/param-case/-/param-case-2.1.1.tgz#df94fd8cf6531ecf75e6bef9a0858fbc72be2247"
-  integrity sha1-35T9jPZTHs915r75oIWPvHK+Ikc=
+param-case@^3.0.3:
+  version "3.0.4"
+  resolved "https://registry.yarnpkg.com/param-case/-/param-case-3.0.4.tgz#7d17fe4aa12bde34d4a77d91acfb6219caad01c5"
+  integrity sha512-RXlj7zCYokReqWpOPH9oYivUzLYZ5vAPIfEmCTNViosC78F8F0H9y7T7gG2M39ymgutxF5gcFEsyZQSph9Bp3A==
   dependencies:
-    no-case "^2.2.0"
+    dot-case "^3.0.4"
+    tslib "^2.0.3"
 
 parent-module@^1.0.0:
   version "1.0.1"
@@ -8695,6 +8732,14 @@ parseurl@~1.3.2, parseurl@~1.3.3:
   resolved "https://registry.yarnpkg.com/parseurl/-/parseurl-1.3.3.tgz#9da19e7bee8d12dff0513ed5b76957793bc2e8d4"
   integrity sha512-CiyeOxFT/JZyN5m0z9PfXw4SCBJ6Sygz1Dpl0wqjlhDEGGBP1GnsUVEL0p63hoG1fcj3fHynXi9NYO4nWOL+qQ==
 
+pascal-case@^3.1.2:
+  version "3.1.2"
+  resolved "https://registry.yarnpkg.com/pascal-case/-/pascal-case-3.1.2.tgz#b48e0ef2b98e205e7c1dae747d0b1508237660eb"
+  integrity sha512-uWlGT3YSnK9x3BQJaOdcZwrnV6hPpd8jFH1/ucpiLRPh/2zCVJKS19E4GvYHvaCcACn3foXZ0cLB9Wrx1KGe5g==
+  dependencies:
+    no-case "^3.0.4"
+    tslib "^2.0.3"
+
 pascalcase@^0.1.1:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/pascalcase/-/pascalcase-0.1.1.tgz#b363e55e8006ca6fe21784d2db22bd15d7917f14"
@@ -9666,7 +9711,7 @@ preserve@^0.2.0:
   resolved "https://registry.yarnpkg.com/preserve/-/preserve-0.2.0.tgz#815ed1f6ebc65926f865b310c0713bcb3315ce4b"
   integrity sha1-gV7R9uvGWSb4ZbMQwHE7yzMVzks=
 
-pretty-error@^2.0.2:
+pretty-error@^2.1.1:
   version "2.1.2"
   resolved "https://registry.yarnpkg.com/pretty-error/-/pretty-error-2.1.2.tgz#be89f82d81b1c86ec8fdfbc385045882727f93b6"
   integrity sha512-EY5oDzmsX5wvuynAByrmY0P0hcp+QpnAKbJng2A2MPjVKXCxrDSUkzghVJ4ZGPIv+JC4gX8fPUWscC0RtjsWGw==
@@ -10237,7 +10282,7 @@ regjsparser@^0.6.4:
   dependencies:
     jsesc "~0.5.0"
 
-relateurl@0.2.x:
+relateurl@^0.2.7:
   version "0.2.7"
   resolved "https://registry.yarnpkg.com/relateurl/-/relateurl-0.2.7.tgz#54dbf377e51440aca90a4cd274600d3ff2d888a9"
   integrity sha1-VNvzd+UUQKypCkzSdGANP/LYiKk=
@@ -11543,7 +11588,7 @@ terser-webpack-plugin@^2.3.8:
     terser "^4.6.12"
     webpack-sources "^1.4.3"
 
-terser@^4.1.2, terser@^4.6.12:
+terser@^4.1.2, terser@^4.6.12, terser@^4.6.3:
   version "4.8.0"
   resolved "https://registry.yarnpkg.com/terser/-/terser-4.8.0.tgz#63056343d7c70bb29f3af665865a46fe03a0df17"
   integrity sha512-EAPipTNeWsb/3wLPeup1tVPaXfIaU68xMnVdPafIL1TV05OhASArYyIfFvnvJCNrR2NIOvDVNNTFRa+Re2MWyw==
@@ -11670,11 +11715,6 @@ toidentifier@1.0.0:
   resolved "https://registry.yarnpkg.com/toidentifier/-/toidentifier-1.0.0.tgz#7e1be3470f1e77948bc43d94a3c8f4d7752ba553"
   integrity sha512-yaOH/Pk/VEhBWWTlhI+qXxDFXlejDGcQipMlyxda9nthulaxLZUNcUqFxokp0vcYnvteJln5FNQDRrxj3YcbVw==
 
-toposort@^1.0.0:
-  version "1.0.7"
-  resolved "https://registry.yarnpkg.com/toposort/-/toposort-1.0.7.tgz#2e68442d9f64ec720b8cc89e6443ac6caa950029"
-  integrity sha1-LmhELZ9k7HILjMieZEOsbKqVACk=
-
 tough-cookie@^2.3.3, tough-cookie@~2.5.0:
   version "2.5.0"
   resolved "https://registry.yarnpkg.com/tough-cookie/-/tough-cookie-2.5.0.tgz#cd9fb2a0aa1d5a12b473bd9fb96fa3dcff65ade2"
@@ -11729,6 +11769,11 @@ tslib@^1.8.1, tslib@^1.9.0, tslib@^1.9.3:
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.14.1.tgz#cf2d38bdc34a134bcaf1091c41f6619e2f672d00"
   integrity sha512-Xni35NKzjgMrwevysHTCArtLDpPvye8zV/0E4EyYn43P7/7qvQwPh9BGkHewbMulVntbigmcT7rdX3BNo9wRJg==
 
+tslib@^2.0.3:
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.2.0.tgz#fb2c475977e35e241311ede2693cee1ec6698f5c"
+  integrity sha512-gS9GVHRU+RGn5KQM2rllAlR3dU6m7AcpJKdtH8gFvQiC4Otgk98XnmMU+nZenHt/+VhnBPWwgrJsyrdcw6i23w==
+
 tsutils@^3.17.1:
   version "3.20.0"
   resolved "https://registry.yarnpkg.com/tsutils/-/tsutils-3.20.0.tgz#ea03ea45462e146b53d70ce0893de453ff24f698"
@@ -11841,14 +11886,6 @@ uc.micro@^1.0.1, uc.micro@^1.0.5:
   resolved "https://registry.yarnpkg.com/uc.micro/-/uc.micro-1.0.6.tgz#9c411a802a409a91fc6cf74081baba34b24499ac"
   integrity sha512-8Y75pvTYkLJW2hWQHXxoqRgV7qb9B+9vFEtidML+7koHUFapnVJAZ6cKs+Qjz5Aw3aZWHMC6u0wJE3At+nSGwA==
 
-uglify-js@3.4.x:
-  version "3.4.10"
-  resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-3.4.10.tgz#9ad9563d8eb3acdfb8d38597d2af1d815f6a755f"
-  integrity sha512-Y2VsbPVs0FIshJztycsO2SfPk7/KAF/T72qzv9u5EpQ4kB2hQoHlhNQTsNyy6ul7lQtqJN/AoWeS23OzEiEFxw==
-  dependencies:
-    commander "~2.19.0"
-    source-map "~0.6.1"
-
 unhomoglyph@^1.0.6:
   version "1.0.6"
   resolved "https://registry.yarnpkg.com/unhomoglyph/-/unhomoglyph-1.0.6.tgz#ea41f926d0fcf598e3b8bb2980c2ddac66b081d3"
@@ -11965,11 +12002,6 @@ upath@^1.1.1:
   resolved "https://registry.yarnpkg.com/upath/-/upath-1.2.0.tgz#8f66dbcd55a883acdae4408af8b035a5044c1894"
   integrity sha512-aZwGpamFO61g3OlfT7OQCHqhGnW43ieH9WZeP7QxN/G/jS4jfqUkZxoryvJgVPEcrl5NL/ggHsSmLMHuH64Lhg==
 
-upper-case@^1.1.1:
-  version "1.1.3"
-  resolved "https://registry.yarnpkg.com/upper-case/-/upper-case-1.1.3.tgz#f6b4501c2ec4cdd26ba78be7222961de77621598"
-  integrity sha1-9rRQHC7EzdJrp4vnIilh3ndiFZg=
-
 uri-js@^4.2.2:
   version "4.4.1"
   resolved "https://registry.yarnpkg.com/uri-js/-/uri-js-4.4.1.tgz#9b1a52595225859e55f669d928f88c6c57f2a77e"