From 13fa59997c2be5b4c4c9a4d42bfa7d1396a7231e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lukas=20Mau=C3=9F?= <lukas.mauss@mni.thm.de>
Date: Wed, 26 Feb 2020 13:04:29 +0100
Subject: [PATCH] Migrate to Angular 9

---
 angular.json                                  |    9 +-
 package-lock.json                             | 2915 +++++++++++++----
 package.json                                  |   46 +-
 projects/ars/src/lib/ars.module.ts            |    3 +-
 projects/ars/src/lib/ars.service.spec.ts      |    2 +-
 .../base/flex-align/flex-align.component.ts   |    2 +-
 src/app/app.module.ts                         |   12 +-
 .../bonus-delete/bonus-delete.component.ts    |    2 +-
 .../bonus-token/bonus-token.component.ts      |    2 +-
 .../comment-settings.component.ts             |    2 +-
 .../delete-answer/delete-answer.component.ts  |    2 +-
 .../delete-comment.component.ts               |    2 +-
 .../delete-comments.component.ts              |    2 +-
 .../moderator-delete.component.ts             |    2 +-
 .../moderators/moderators.component.ts        |    2 +-
 .../room-delete/room-delete.component.ts      |    2 +-
 .../_dialogs/room-edit/room-edit.component.ts |    2 +-
 .../creator/_dialogs/tags/tags.component.ts   |    4 +-
 src/app/components/creator/creator.module.ts  |   15 +-
 .../room-creator-page.component.ts            |    2 +-
 .../essentials/essentials.module.ts           |   64 +-
 .../_dialogs/cookies/cookies.component.ts     |    4 +-
 .../data-protection.component.ts              |    2 +-
 .../demo-video/demo-video.component.ts        |    2 +-
 .../_dialogs/imprint/imprint.component.ts     |    2 +-
 .../_dialogs/overlay/overlay.component.ts     |    2 +-
 .../password-reset.component.ts               |    3 +-
 .../_dialogs/register/register.component.ts   |    3 +-
 .../user-activation.component.ts              |    2 +-
 .../home-creator-page.component.ts            |    2 +-
 .../home/new-landing/new-landing.component.ts |    2 +-
 .../home/user-home/user-home.component.ts     |    2 +-
 .../moderator-comment-list.component.ts       |    4 +-
 .../remind-of-tokens.component.ts             |    2 +-
 .../user-bonus-token.component.ts             |    3 +-
 .../create-comment.component.ts               |    2 +-
 .../delete-account.component.ts               |    2 +-
 .../_dialogs/help-page/help-page.component.ts |    3 +-
 .../present-comment.component.ts              |    2 +-
 .../qr-code-dialog.component.ts               |   14 +-
 .../remove-from-history.component.ts          |    2 +-
 .../room-create/room-create.component.ts      |    2 +-
 .../comment-answer.component.ts               |    2 +-
 .../comment-list/comment-list.component.ts    |    4 +-
 .../shared/comment/comment.component.ts       |    2 +-
 .../shared/footer/footer.component.ts         |    2 +-
 .../shared/header/header.component.ts         |    2 +-
 .../shared/login/login.component.ts           |    3 +-
 .../shared/room-join/room-join.component.ts   |    3 +-
 .../shared/room-list/room-list.component.ts   |    3 +-
 src/app/components/shared/shared.module.ts    |   15 +-
 src/app/services/util/event.service.ts        |    2 +
 src/app/services/util/notification.service.ts |    2 +-
 src/main.ts                                   |    2 -
 src/tsconfig.app.json                         |    9 +-
 55 files changed, 2392 insertions(+), 815 deletions(-)

diff --git a/angular.json b/angular.json
index 504ecd51a..969c2a7a9 100644
--- a/angular.json
+++ b/angular.json
@@ -11,6 +11,7 @@
         "build": {
           "builder": "@angular-devkit/build-angular:browser",
           "options": {
+            "aot": true,
             "outputPath": "dist",
             "index": "src/index.html",
             "main": "src/main.ts",
@@ -31,6 +32,12 @@
           },
           "configurations": {
             "production": {
+              "budgets": [
+                {
+                  "type": "anyComponentStyle",
+                  "maximumWarning": "6kb"
+                }
+              ],
               "optimization": true,
               "outputHashing": "all",
               "sourceMap": false,
@@ -132,7 +139,7 @@
   "schematics": {
     "@schematics/angular:component": {
       "prefix": "app",
-      "styleext": "scss"
+      "style": "scss"
     },
     "@schematics/angular:directive": {
       "prefix": "app"
diff --git a/package-lock.json b/package-lock.json
index f86abb450..070ab0c6a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5,19 +5,19 @@
   "requires": true,
   "dependencies": {
     "@angular-devkit/architect": {
-      "version": "0.803.25",
-      "resolved": "https://registry.npmjs.org/@angular-devkit/architect/-/architect-0.803.25.tgz",
-      "integrity": "sha512-usV/zEncKCKQuF6AD3pRU6N5i5fbaAux/qZb+nbOz9/2G5jrXwe5sH+y3vxbgqB83e3LqusEQCTu7/tfg6LwZg==",
+      "version": "0.900.3",
+      "resolved": "https://registry.npmjs.org/@angular-devkit/architect/-/architect-0.900.3.tgz",
+      "integrity": "sha512-4UHc58Dlc5XHY3eiYSX9gytLyPNYixGSRwLcc/LRwuPgrmUFKPzCN3nwgB+9kc03/HN89CsJ1rS1scid6N6vxQ==",
       "dev": true,
       "requires": {
-        "@angular-devkit/core": "8.3.25",
-        "rxjs": "6.4.0"
+        "@angular-devkit/core": "9.0.3",
+        "rxjs": "6.5.3"
       },
       "dependencies": {
         "rxjs": {
-          "version": "6.4.0",
-          "resolved": "https://registry.npmjs.org/rxjs/-/rxjs-6.4.0.tgz",
-          "integrity": "sha512-Z9Yfa11F6B9Sg/BK9MnqnQ+aQYicPLtilXBp2yUtDt2JRCE0h26d33EnfO3ZxoNxG0T92OUucP3Ct7cpfkdFfw==",
+          "version": "6.5.3",
+          "resolved": "https://registry.npmjs.org/rxjs/-/rxjs-6.5.3.tgz",
+          "integrity": "sha512-wuYsAYYFdWTAnAaPoKGNhfpWwKZbJW+HgAJ+mImp+Epl7BG8oNWBCTyRM8gba9k4lk8BgWdoYm21Mo/RYhhbgA==",
           "dev": true,
           "requires": {
             "tslib": "^1.9.0"
@@ -26,66 +26,71 @@
       }
     },
     "@angular-devkit/build-angular": {
-      "version": "0.803.25",
-      "resolved": "https://registry.npmjs.org/@angular-devkit/build-angular/-/build-angular-0.803.25.tgz",
-      "integrity": "sha512-WY0E7NgXuog3phhz5ZdutZPWQ9nbOr+omGN5KI1e8MZs1sJO4xkyaGRT8zOulkogkqJ2NboTBq3j9uSbZkcYeg==",
-      "dev": true,
-      "requires": {
-        "@angular-devkit/architect": "0.803.25",
-        "@angular-devkit/build-optimizer": "0.803.25",
-        "@angular-devkit/build-webpack": "0.803.25",
-        "@angular-devkit/core": "8.3.25",
-        "@babel/core": "7.8.3",
-        "@babel/preset-env": "7.8.3",
-        "@ngtools/webpack": "8.3.25",
+      "version": "0.900.3",
+      "resolved": "https://registry.npmjs.org/@angular-devkit/build-angular/-/build-angular-0.900.3.tgz",
+      "integrity": "sha512-QrtHbSJSQ9FlcwlndagYzolOepVKeBX+ZZJgCHDyJTUtZG/ah1N7lfmq+gp1IXdiVEk17H9YAk9iZd48lKBO9g==",
+      "dev": true,
+      "requires": {
+        "@angular-devkit/architect": "0.900.3",
+        "@angular-devkit/build-optimizer": "0.900.3",
+        "@angular-devkit/build-webpack": "0.900.3",
+        "@angular-devkit/core": "9.0.3",
+        "@babel/core": "7.7.7",
+        "@babel/generator": "7.7.7",
+        "@babel/preset-env": "7.7.7",
+        "@ngtools/webpack": "9.0.3",
         "ajv": "6.10.2",
-        "autoprefixer": "9.6.1",
-        "browserslist": "4.8.6",
-        "cacache": "12.0.2",
-        "caniuse-lite": "1.0.30001024",
+        "autoprefixer": "9.7.1",
+        "babel-loader": "8.0.6",
+        "browserslist": "4.8.3",
+        "cacache": "13.0.1",
+        "caniuse-lite": "1.0.30001020",
         "circular-dependency-plugin": "5.2.0",
-        "clean-css": "4.2.1",
         "copy-webpack-plugin": "5.1.1",
-        "core-js": "3.6.4",
+        "core-js": "3.6.0",
         "coverage-istanbul-loader": "2.0.3",
+        "cssnano": "4.1.10",
         "file-loader": "4.2.0",
         "find-cache-dir": "3.0.0",
-        "glob": "7.1.4",
+        "glob": "7.1.5",
         "jest-worker": "24.9.0",
         "karma-source-map-support": "1.4.0",
-        "less": "3.9.0",
+        "less": "3.10.3",
         "less-loader": "5.0.0",
-        "license-webpack-plugin": "2.1.2",
+        "license-webpack-plugin": "2.1.3",
         "loader-utils": "1.2.3",
+        "magic-string": "0.25.4",
         "mini-css-extract-plugin": "0.8.0",
         "minimatch": "3.0.4",
-        "open": "6.4.0",
+        "open": "7.0.0",
         "parse5": "4.0.0",
-        "postcss": "7.0.17",
+        "postcss": "7.0.21",
         "postcss-import": "12.0.1",
         "postcss-loader": "3.0.0",
         "raw-loader": "3.1.0",
         "regenerator-runtime": "0.13.3",
-        "rxjs": "6.4.0",
-        "sass": "1.22.9",
-        "sass-loader": "7.2.0",
+        "rimraf": "3.0.0",
+        "rollup": "1.25.2",
+        "rxjs": "6.5.3",
+        "sass": "1.23.3",
+        "sass-loader": "8.0.0",
         "semver": "6.3.0",
         "source-map": "0.7.3",
         "source-map-loader": "0.2.4",
-        "source-map-support": "0.5.13",
+        "source-map-support": "0.5.16",
         "speed-measure-webpack-plugin": "1.3.1",
         "style-loader": "1.0.0",
-        "stylus": "0.54.5",
+        "stylus": "0.54.7",
         "stylus-loader": "3.0.2",
-        "terser": "4.6.3",
-        "terser-webpack-plugin": "1.4.3",
+        "terser": "4.5.1",
+        "terser-webpack-plugin": "2.3.3",
         "tree-kill": "1.2.2",
-        "webpack": "4.39.2",
+        "webpack": "4.41.2",
         "webpack-dev-middleware": "3.7.2",
         "webpack-dev-server": "3.9.0",
-        "webpack-merge": "4.2.1",
+        "webpack-merge": "4.2.2",
         "webpack-sources": "1.4.3",
-        "webpack-subresource-integrity": "1.1.0-rc.6",
+        "webpack-subresource-integrity": "1.3.4",
         "worker-plugin": "3.2.0"
       },
       "dependencies": {
@@ -102,11 +107,25 @@
           }
         },
         "core-js": {
-          "version": "3.6.4",
-          "resolved": "https://registry.npmjs.org/core-js/-/core-js-3.6.4.tgz",
-          "integrity": "sha512-4paDGScNgZP2IXXilaffL9X7968RuvwlkK3xWtZRVqgd8SYNiVKRJvkFd1aqqEuPfN7E68ZHEp9hDj6lHj4Hyw==",
+          "version": "3.6.0",
+          "resolved": "https://registry.npmjs.org/core-js/-/core-js-3.6.0.tgz",
+          "integrity": "sha512-AHPTNKzyB+YwgDWoSOCaid9PUSEF6781vsfiK8qUz62zRR448/XgK2NtCbpiUGizbep8Lrpt0Du19PpGGZvw3Q==",
           "dev": true
         },
+        "glob": {
+          "version": "7.1.5",
+          "resolved": "https://registry.npmjs.org/glob/-/glob-7.1.5.tgz",
+          "integrity": "sha512-J9dlskqUXK1OeTOYBEn5s8aMukWMwWfs+rPTn/jn50Ux4MNXVhubL1wu/j2t+H4NVI+cXEcCaYellqaPVGXNqQ==",
+          "dev": true,
+          "requires": {
+            "fs.realpath": "^1.0.0",
+            "inflight": "^1.0.4",
+            "inherits": "2",
+            "minimatch": "^3.0.4",
+            "once": "^1.3.0",
+            "path-is-absolute": "^1.0.0"
+          }
+        },
         "parse5": {
           "version": "4.0.0",
           "resolved": "https://registry.npmjs.org/parse5/-/parse5-4.0.0.tgz",
@@ -119,10 +138,19 @@
           "integrity": "sha512-naKIZz2GQ8JWh///G7L3X6LaQUAMp2lvb1rvwwsURe/VXwD6VMfr+/1NuNw3ag8v2kY1aQ/go5SNn79O9JU7yw==",
           "dev": true
         },
+        "rimraf": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-3.0.0.tgz",
+          "integrity": "sha512-NDGVxTsjqfunkds7CqsOiEnxln4Bo7Nddl3XhS4pXg5OzwkLqJ971ZVAAnB+DDLnF76N+VnDEiBHaVV8I06SUg==",
+          "dev": true,
+          "requires": {
+            "glob": "^7.1.3"
+          }
+        },
         "rxjs": {
-          "version": "6.4.0",
-          "resolved": "https://registry.npmjs.org/rxjs/-/rxjs-6.4.0.tgz",
-          "integrity": "sha512-Z9Yfa11F6B9Sg/BK9MnqnQ+aQYicPLtilXBp2yUtDt2JRCE0h26d33EnfO3ZxoNxG0T92OUucP3Ct7cpfkdFfw==",
+          "version": "6.5.3",
+          "resolved": "https://registry.npmjs.org/rxjs/-/rxjs-6.5.3.tgz",
+          "integrity": "sha512-wuYsAYYFdWTAnAaPoKGNhfpWwKZbJW+HgAJ+mImp+Epl7BG8oNWBCTyRM8gba9k4lk8BgWdoYm21Mo/RYhhbgA==",
           "dev": true,
           "requires": {
             "tslib": "^1.9.0"
@@ -135,9 +163,9 @@
           "dev": true
         },
         "source-map-support": {
-          "version": "0.5.13",
-          "resolved": "https://registry.npmjs.org/source-map-support/-/source-map-support-0.5.13.tgz",
-          "integrity": "sha512-SHSKFHadjVA5oR4PPqhtAVdcBWwRYVd6g6cAXnIbRiIwc2EhPrTuKUBdSLvlEKyIP3GCf89fltvcZiP9MMFA1w==",
+          "version": "0.5.16",
+          "resolved": "https://registry.npmjs.org/source-map-support/-/source-map-support-0.5.16.tgz",
+          "integrity": "sha512-efyLRJDr68D9hBBNIPWFjhpFzURh+KJykQwvMyW5UiZzYwoF6l4YMMDIJJEyFWxWCqfyxLzz6tSfUFR+kXXsVQ==",
           "dev": true,
           "requires": {
             "buffer-from": "^1.0.0",
@@ -155,33 +183,41 @@
       }
     },
     "@angular-devkit/build-optimizer": {
-      "version": "0.803.25",
-      "resolved": "https://registry.npmjs.org/@angular-devkit/build-optimizer/-/build-optimizer-0.803.25.tgz",
-      "integrity": "sha512-MiQimuEs8QeM3xo7bR3Yk1OWHHlp2pGCc2GLUMIcWhKqM+QjoRky0HoGoBazbznx292l+xjFjANvPEKbqJ2v7Q==",
+      "version": "0.900.3",
+      "resolved": "https://registry.npmjs.org/@angular-devkit/build-optimizer/-/build-optimizer-0.900.3.tgz",
+      "integrity": "sha512-VLAWtAXpOzOoYUJrN6sT90UdIdvrVIipkzGz7nfI1kscDvxUFwVZnsNNHtFinaY2SfZAunHhYQOA/B9FJ8WPdQ==",
       "dev": true,
       "requires": {
         "loader-utils": "1.2.3",
         "source-map": "0.7.3",
         "tslib": "1.10.0",
-        "typescript": "3.5.3",
+        "typescript": "3.6.4",
         "webpack-sources": "1.4.3"
+      },
+      "dependencies": {
+        "typescript": {
+          "version": "3.6.4",
+          "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.6.4.tgz",
+          "integrity": "sha512-unoCll1+l+YK4i4F8f22TaNVPRHcD9PA3yCuZ8g5e0qGqlVlJ/8FSateOLLSagn+Yg5+ZwuPkL8LFUc0Jcvksg==",
+          "dev": true
+        }
       }
     },
     "@angular-devkit/build-webpack": {
-      "version": "0.803.25",
-      "resolved": "https://registry.npmjs.org/@angular-devkit/build-webpack/-/build-webpack-0.803.25.tgz",
-      "integrity": "sha512-WR7HWJIWL6TB3WHG7ZFn8s0z3WlojeQlod75UIKl5i+f4OU90kp8kxcoH5G6OCXu56x5w40oIi1ve5ljjWSJkw==",
+      "version": "0.900.3",
+      "resolved": "https://registry.npmjs.org/@angular-devkit/build-webpack/-/build-webpack-0.900.3.tgz",
+      "integrity": "sha512-9gSTLWf7yq/XBOec0CtZcjNMsC7L8IuVDProBQHps2SvTfr982DtHfEge95J2lc9BjRbqidv+phImFsQ1J3mFA==",
       "dev": true,
       "requires": {
-        "@angular-devkit/architect": "0.803.25",
-        "@angular-devkit/core": "8.3.25",
-        "rxjs": "6.4.0"
+        "@angular-devkit/architect": "0.900.3",
+        "@angular-devkit/core": "9.0.3",
+        "rxjs": "6.5.3"
       },
       "dependencies": {
         "rxjs": {
-          "version": "6.4.0",
-          "resolved": "https://registry.npmjs.org/rxjs/-/rxjs-6.4.0.tgz",
-          "integrity": "sha512-Z9Yfa11F6B9Sg/BK9MnqnQ+aQYicPLtilXBp2yUtDt2JRCE0h26d33EnfO3ZxoNxG0T92OUucP3Ct7cpfkdFfw==",
+          "version": "6.5.3",
+          "resolved": "https://registry.npmjs.org/rxjs/-/rxjs-6.5.3.tgz",
+          "integrity": "sha512-wuYsAYYFdWTAnAaPoKGNhfpWwKZbJW+HgAJ+mImp+Epl7BG8oNWBCTyRM8gba9k4lk8BgWdoYm21Mo/RYhhbgA==",
           "dev": true,
           "requires": {
             "tslib": "^1.9.0"
@@ -190,15 +226,15 @@
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     },
     "@angular-devkit/core": {
-      "version": "8.3.25",
-      "resolved": "https://registry.npmjs.org/@angular-devkit/core/-/core-8.3.25.tgz",
-      "integrity": "sha512-l7Gqy1tMrTpRmPVlovcFX8UA3mtXRlgO8kcSsbJ9MKRKNTCcxlfsWEYY5igyDBUVh6ADkgSIu0nuk31ZGTe0lw==",
+      "version": "9.0.3",
+      "resolved": "https://registry.npmjs.org/@angular-devkit/core/-/core-9.0.3.tgz",
+      "integrity": "sha512-3+abmv9K9d+BVgUAolYgoOqlGAA2Jb1pWo2biapSDG6KjUZHUCJdnsKigLtLorCdv0SrjTp56FFplkcqKsFQgA==",
       "dev": true,
       "requires": {
         "ajv": "6.10.2",
         "fast-json-stable-stringify": "2.0.0",
-        "magic-string": "0.25.3",
-        "rxjs": "6.4.0",
+        "magic-string": "0.25.4",
+        "rxjs": "6.5.3",
         "source-map": "0.7.3"
       },
       "dependencies": {
@@ -215,9 +251,9 @@
           }
         },
         "rxjs": {
-          "version": "6.4.0",
-          "resolved": "https://registry.npmjs.org/rxjs/-/rxjs-6.4.0.tgz",
-          "integrity": "sha512-Z9Yfa11F6B9Sg/BK9MnqnQ+aQYicPLtilXBp2yUtDt2JRCE0h26d33EnfO3ZxoNxG0T92OUucP3Ct7cpfkdFfw==",
+          "version": "6.5.3",
+          "resolved": "https://registry.npmjs.org/rxjs/-/rxjs-6.5.3.tgz",
+          "integrity": "sha512-wuYsAYYFdWTAnAaPoKGNhfpWwKZbJW+HgAJ+mImp+Epl7BG8oNWBCTyRM8gba9k4lk8BgWdoYm21Mo/RYhhbgA==",
           "dev": true,
           "requires": {
             "tslib": "^1.9.0"
@@ -226,19 +262,20 @@
       }
     },
     "@angular-devkit/schematics": {
-      "version": "8.3.25",
-      "resolved": "https://registry.npmjs.org/@angular-devkit/schematics/-/schematics-8.3.25.tgz",
-      "integrity": "sha512-/p1MkfursfLy+JRGXlJGPEmX55lrFCsR/2khWAVXZcMaFR3QlR/b6/zvB8I2pHFfr0/XWnYTT/BsF7rJjO3RmA==",
+      "version": "9.0.3",
+      "resolved": "https://registry.npmjs.org/@angular-devkit/schematics/-/schematics-9.0.3.tgz",
+      "integrity": "sha512-BQnZtFQPLZZOijhuEndtzL6cOnhaE8nNxupkRHavWohOMStnLsRyvVJj6JVDkf37wvT5koqTNjHhbdMxcCRc6A==",
       "dev": true,
       "requires": {
-        "@angular-devkit/core": "8.3.25",
-        "rxjs": "6.4.0"
+        "@angular-devkit/core": "9.0.3",
+        "ora": "4.0.2",
+        "rxjs": "6.5.3"
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       "dependencies": {
         "rxjs": {
-          "version": "6.4.0",
-          "resolved": "https://registry.npmjs.org/rxjs/-/rxjs-6.4.0.tgz",
-          "integrity": "sha512-Z9Yfa11F6B9Sg/BK9MnqnQ+aQYicPLtilXBp2yUtDt2JRCE0h26d33EnfO3ZxoNxG0T92OUucP3Ct7cpfkdFfw==",
+          "version": "6.5.3",
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-      "resolved": "https://registry.npmjs.org/webpack-merge/-/webpack-merge-4.2.1.tgz",
-      "integrity": "sha512-4p8WQyS98bUJcCvFMbdGZyZmsKuWjWVnVHnAS3FFg0HDaRVrPbkivx2RYCre8UiemD67RsiFFLfn4JhLAin8Vw==",
+      "version": "4.2.2",
+      "resolved": "https://registry.npmjs.org/webpack-merge/-/webpack-merge-4.2.2.tgz",
+      "integrity": "sha512-TUE1UGoTX2Cd42j3krGYqObZbOD+xF7u28WB7tfUordytSjbWTIjK/8V0amkBfTYN4/pB/GIDlJZZ657BGG19g==",
       "dev": true,
       "requires": {
-        "lodash": "^4.17.5"
+        "lodash": "^4.17.15"
       }
     },
     "webpack-sources": {
@@ -13204,12 +14807,12 @@
       }
     },
     "webpack-subresource-integrity": {
-      "version": "1.1.0-rc.6",
-      "resolved": "https://registry.npmjs.org/webpack-subresource-integrity/-/webpack-subresource-integrity-1.1.0-rc.6.tgz",
-      "integrity": "sha512-Az7y8xTniNhaA0620AV1KPwWOqawurVVDzQSpPAeR5RwNbL91GoBSJAAo9cfd+GiFHwsS5bbHepBw1e6Hzxy4w==",
+      "version": "1.3.4",
+      "resolved": "https://registry.npmjs.org/webpack-subresource-integrity/-/webpack-subresource-integrity-1.3.4.tgz",
+      "integrity": "sha512-6XbGYzjh30cGQT/NsC+9IAkJP8IL7/t47sbwR5DLSsamiD56Rwv4/+hsgEHsviPvrEFZ0JRAQtCRN3UsR2Pw9g==",
       "dev": true,
       "requires": {
-        "webpack-core": "^0.6.8"
+        "webpack-sources": "^1.3.0"
       }
     },
     "websocket-driver": {
@@ -13487,9 +15090,9 @@
       "dev": true
     },
     "zone.js": {
-      "version": "0.9.1",
-      "resolved": "https://registry.npmjs.org/zone.js/-/zone.js-0.9.1.tgz",
-      "integrity": "sha512-GkPiJL8jifSrKReKaTZ5jkhrMEgXbXYC+IPo1iquBjayRa0q86w3Dipjn8b415jpitMExe9lV8iTsv8tk3DGag=="
+      "version": "0.10.2",
+      "resolved": "https://registry.npmjs.org/zone.js/-/zone.js-0.10.2.tgz",
+      "integrity": "sha512-UAYfiuvxLN4oyuqhJwd21Uxb4CNawrq6fPS/05Su5L4G+1TN+HVDJMUHNMobVQDFJRir2cLAODXwluaOKB7HFg=="
     }
   }
 }
diff --git a/package.json b/package.json
index 12361b71b..10e58fda9 100644
--- a/package.json
+++ b/package.json
@@ -13,44 +13,42 @@
   },
   "private": true,
   "dependencies": {
-    "@angular/animations": "8.2.14",
-    "@angular/cdk": "^7.1.0",
-    "@angular/common": "8.2.14",
-    "@angular/compiler": "8.2.14",
-    "@angular/core": "8.2.14",
-    "@angular/flex-layout": "^7.0.0-beta.19",
-    "@angular/forms": "8.2.14",
-    "@angular/material": "^7.1.0",
-    "@angular/platform-browser": "8.2.14",
-    "@angular/platform-browser-dynamic": "8.2.14",
-    "@angular/router": "8.2.14",
-    "@angular/service-worker": "8.2.14",
+    "@angular/animations": "9.0.2",
+    "@angular/cdk": "9.0.1",
+    "@angular/common": "9.0.2",
+    "@angular/compiler": "9.0.2",
+    "@angular/core": "9.0.2",
+    "@angular/flex-layout": "9.0.0-beta.29",
+    "@angular/forms": "9.0.2",
+    "@angular/material": "9.0.1",
+    "@angular/platform-browser": "9.0.2",
+    "@angular/platform-browser-dynamic": "9.0.2",
+    "@angular/router": "9.0.2",
+    "@angular/service-worker": "9.0.2",
     "@ngx-translate/core": "^10.0.2",
-    "@ngx-translate/http-loader": "^3.0.1",
+    "@ngx-translate/http-loader": "^4.0.0",
     "@stomp/ng2-stompjs": "^7.2.0",
     "chart.js": "^2.7.3",
     "core-js": "^2.5.7",
-    "hammerjs": "^2.0.8",
     "is-docker": "^1.1.0",
     "material-design-icons": "^3.0.1",
-    "ng2-charts": "^1.6.0",
     "ngx-markdown": "^9.0.0",
     "rxjs": "^6.5.4",
-    "tslib": "^1.9.0",
+    "tslib": "^1.10.0",
     "tslint-eslint-rules": "^5.3.1",
     "typescript-map": "0.0.7",
-    "zone.js": "~0.9.1"
+    "zone.js": "~0.10.2"
   },
   "devDependencies": {
-    "@angular-devkit/build-angular": "~0.803.25",
-    "@angular/cli": "8.3.25",
-    "@angular/compiler-cli": "^8.2.14",
-    "@angular/language-service": "8.2.14",
+    "@angular-devkit/build-angular": "~0.900.3",
+    "@angular/cli": "9.0.3",
+    "@angular/compiler-cli": "^9.0.2",
+    "@angular/language-service": "9.0.2",
     "@biesbjerg/ngx-translate-extract": "^2.3.4",
     "@types/jasmine": "^2.8.8",
     "@types/jasminewd2": "~2.0.2",
-    "@types/node": "^6.0.116",
-    "codelyzer": "^5.0.1",
+    "@types/node": "^12.11.1",
+    "codelyzer": "^5.1.2",
     "jasmine-core": "~2.8.0",
     "jasmine-spec-reporter": "~4.2.1",
     "karma": "^2.0.5",
@@ -61,6 +59,6 @@
     "protractor": "~5.1.2",
     "ts-node": "~4.1.0",
     "tslint": "^5.9.1",
-    "typescript": "3.5.3"
+    "typescript": "3.7.5"
   }
 }
diff --git a/projects/ars/src/lib/ars.module.ts b/projects/ars/src/lib/ars.module.ts
index 8a834752b..a0a61d6a1 100644
--- a/projects/ars/src/lib/ars.module.ts
+++ b/projects/ars/src/lib/ars.module.ts
@@ -1,6 +1,5 @@
 import { NgModule } from '@angular/core';
 import { ArsComponent } from './ars.component';
-import { MatButtonModule, MatIconModule } from '@angular/material';
 import { FullScreenOverlayComponent } from './components/layout/base/screen/screen.component';
 import { RowComponent } from './components/layout/frame/row/row.component';
 import { ColComponent } from './components/layout/frame/col/col.component';
@@ -16,6 +15,8 @@ import { MenuWrapperDirective } from './components/content/menu/MenuWrapper.dire
 import { ButtonWrapperDirective } from './components/content/menu/ButtonWrapper.directive';
 import { ButtonBaseDirective } from './components/content/menu/ButtonBase.directive';
 import { MaterialBtnComponent } from './components/style/menu/material-btn/material-btn.component';
+import { MatButtonModule } from '@angular/material/button';
+import { MatIconModule } from '@angular/material/icon';
 
 @NgModule({
   declarations: [
diff --git a/projects/ars/src/lib/ars.service.spec.ts b/projects/ars/src/lib/ars.service.spec.ts
index af6dd4d61..907d2b840 100644
--- a/projects/ars/src/lib/ars.service.spec.ts
+++ b/projects/ars/src/lib/ars.service.spec.ts
@@ -6,7 +6,7 @@ describe('ArsService', () => {
   beforeEach(() => TestBed.configureTestingModule({}));
 
   it('should be created', () => {
-    const service: ArsService = TestBed.get(ArsService);
+    const service: ArsService = TestBed.inject(ArsService);
     expect(service).toBeTruthy();
   });
 });
diff --git a/projects/ars/src/lib/components/layout/base/flex-align/flex-align.component.ts b/projects/ars/src/lib/components/layout/base/flex-align/flex-align.component.ts
index f0a84961f..95425060e 100644
--- a/projects/ars/src/lib/components/layout/base/flex-align/flex-align.component.ts
+++ b/projects/ars/src/lib/components/layout/base/flex-align/flex-align.component.ts
@@ -10,7 +10,7 @@ export class FlexAlignComponent implements OnInit, AfterViewInit {
   @Input() align = 'center';
   @Input() width: number;
   @Input() margin: number;
-  @ViewChild('col', { static: false }) col: ElementRef;
+  @ViewChild('col') col: ElementRef;
 
   constructor(private ref: ElementRef, private render: Renderer2) {
   }
diff --git a/src/app/app.module.ts b/src/app/app.module.ts
index 0d45bec0a..9f1825235 100644
--- a/src/app/app.module.ts
+++ b/src/app/app.module.ts
@@ -3,7 +3,7 @@ import { AppComponent } from './app.component';
 import { RegisterComponent } from './components/home/_dialogs/register/register.component';
 import { PasswordResetComponent } from './components/home/_dialogs/password-reset/password-reset.component';
 import { AppRoutingModule } from './app-routing.module';
-import { MAT_DIALOG_DATA, MatDialogRef } from '@angular/material';
+import { MAT_DIALOG_DATA, MatDialogRef } from '@angular/material/dialog';
 import { HTTP_INTERCEPTORS } from '@angular/common/http';
 import { UserService } from './services/http/user.service';
 import { NotificationService } from './services/util/notification.service';
@@ -100,16 +100,6 @@ export function initializeApp(appConfig: AppConfig) {
     HelpEnComponent,
     OverlayComponent
   ],
-  entryComponents: [
-    RegisterComponent,
-    PasswordResetComponent,
-    UserActivationComponent,
-    DemoVideoComponent,
-    CookiesComponent,
-    OverlayComponent,
-    QrCodeDialogComponent,
-    RemoveFromHistoryComponent
-  ],
   imports: [
     AppRoutingModule,
     BrowserModule,
diff --git a/src/app/components/creator/_dialogs/bonus-delete/bonus-delete.component.ts b/src/app/components/creator/_dialogs/bonus-delete/bonus-delete.component.ts
index 210cbaa3f..bbc7664f2 100644
--- a/src/app/components/creator/_dialogs/bonus-delete/bonus-delete.component.ts
+++ b/src/app/components/creator/_dialogs/bonus-delete/bonus-delete.component.ts
@@ -1,6 +1,6 @@
 import { Component, Inject, OnInit } from '@angular/core';
 import { DialogConfirmActionButtonType } from '../../../shared/dialog/dialog-action-buttons/dialog-action-buttons.component';
-import { MAT_DIALOG_DATA, MatDialogRef } from '@angular/material';
+import { MAT_DIALOG_DATA, MatDialogRef } from '@angular/material/dialog';
 import { LiveAnnouncer } from '@angular/cdk/a11y';
 import { TranslateService } from '@ngx-translate/core';
 import { BonusTokenComponent } from '../bonus-token/bonus-token.component';
diff --git a/src/app/components/creator/_dialogs/bonus-token/bonus-token.component.ts b/src/app/components/creator/_dialogs/bonus-token/bonus-token.component.ts
index 897212c54..7d92e32a3 100644
--- a/src/app/components/creator/_dialogs/bonus-token/bonus-token.component.ts
+++ b/src/app/components/creator/_dialogs/bonus-token/bonus-token.component.ts
@@ -2,7 +2,7 @@ import { Component, OnInit } from '@angular/core';
 import { BonusTokenService } from '../../../../services/http/bonus-token.service';
 import { BonusToken } from '../../../../models/bonus-token';
 import { Room } from '../../../../models/room';
-import { MatDialog, MatDialogRef } from '@angular/material';
+import { MatDialog, MatDialogRef } from '@angular/material/dialog';
 import { RoomCreatorPageComponent } from '../../room-creator-page/room-creator-page.component';
 import { BonusDeleteComponent } from '../bonus-delete/bonus-delete.component';
 import { NotificationService } from '../../../../services/util/notification.service';
diff --git a/src/app/components/creator/_dialogs/comment-settings/comment-settings.component.ts b/src/app/components/creator/_dialogs/comment-settings/comment-settings.component.ts
index a911a3d8f..558d9d81d 100644
--- a/src/app/components/creator/_dialogs/comment-settings/comment-settings.component.ts
+++ b/src/app/components/creator/_dialogs/comment-settings/comment-settings.component.ts
@@ -1,5 +1,5 @@
 import { Component, Inject, OnInit } from '@angular/core';
-import { MAT_DIALOG_DATA, MatDialog, MatDialogRef } from '@angular/material';
+import { MAT_DIALOG_DATA, MatDialog, MatDialogRef } from '@angular/material/dialog';
 import { RoomCreatorPageComponent } from '../../room-creator-page/room-creator-page.component';
 import { NotificationService } from '../../../../services/util/notification.service';
 import { TranslateService } from '@ngx-translate/core';
diff --git a/src/app/components/creator/_dialogs/delete-answer/delete-answer.component.ts b/src/app/components/creator/_dialogs/delete-answer/delete-answer.component.ts
index 4c082a042..df62a39b1 100644
--- a/src/app/components/creator/_dialogs/delete-answer/delete-answer.component.ts
+++ b/src/app/components/creator/_dialogs/delete-answer/delete-answer.component.ts
@@ -1,6 +1,6 @@
 import { Component, Inject, OnInit } from '@angular/core';
 import { DialogConfirmActionButtonType } from '../../../shared/dialog/dialog-action-buttons/dialog-action-buttons.component';
-import { MAT_DIALOG_DATA, MatDialogRef } from '@angular/material';
+import { MAT_DIALOG_DATA, MatDialogRef } from '@angular/material/dialog';
 import { RoomEditComponent } from '../room-edit/room-edit.component';
 import { LiveAnnouncer } from '@angular/cdk/a11y';
 import { TranslateService } from '@ngx-translate/core';
diff --git a/src/app/components/creator/_dialogs/delete-comment/delete-comment.component.ts b/src/app/components/creator/_dialogs/delete-comment/delete-comment.component.ts
index 66089deb8..d39941805 100644
--- a/src/app/components/creator/_dialogs/delete-comment/delete-comment.component.ts
+++ b/src/app/components/creator/_dialogs/delete-comment/delete-comment.component.ts
@@ -1,5 +1,5 @@
 import { Component, Inject, OnInit } from '@angular/core';
-import { MAT_DIALOG_DATA, MatDialogRef } from '@angular/material';
+import { MAT_DIALOG_DATA, MatDialogRef } from '@angular/material/dialog';
 import { RoomEditComponent } from '../room-edit/room-edit.component';
 import { DialogConfirmActionButtonType } from '../../../shared/dialog/dialog-action-buttons/dialog-action-buttons.component';
 import { LiveAnnouncer } from '@angular/cdk/a11y';
diff --git a/src/app/components/creator/_dialogs/delete-comments/delete-comments.component.ts b/src/app/components/creator/_dialogs/delete-comments/delete-comments.component.ts
index 7f2681f44..dcaf5209a 100644
--- a/src/app/components/creator/_dialogs/delete-comments/delete-comments.component.ts
+++ b/src/app/components/creator/_dialogs/delete-comments/delete-comments.component.ts
@@ -1,5 +1,5 @@
 import { Component, Inject, OnInit } from '@angular/core';
-import { MAT_DIALOG_DATA, MatDialogRef } from '@angular/material';
+import { MAT_DIALOG_DATA, MatDialogRef } from '@angular/material/dialog';
 import { LiveAnnouncer } from '@angular/cdk/a11y';
 import { DialogConfirmActionButtonType } from '../../../shared/dialog/dialog-action-buttons/dialog-action-buttons.component';
 import { TranslateService } from '@ngx-translate/core';
diff --git a/src/app/components/creator/_dialogs/moderator-delete/moderator-delete.component.ts b/src/app/components/creator/_dialogs/moderator-delete/moderator-delete.component.ts
index 8ef7fe3df..c7c3153bb 100644
--- a/src/app/components/creator/_dialogs/moderator-delete/moderator-delete.component.ts
+++ b/src/app/components/creator/_dialogs/moderator-delete/moderator-delete.component.ts
@@ -1,5 +1,5 @@
 import { Component, Inject, OnInit } from '@angular/core';
-import { MAT_DIALOG_DATA, MatDialogRef } from '@angular/material';
+import { MAT_DIALOG_DATA, MatDialogRef } from '@angular/material/dialog';
 import { ModeratorsComponent } from '../moderators/moderators.component';
 import { DialogConfirmActionButtonType } from '../../../shared/dialog/dialog-action-buttons/dialog-action-buttons.component';
 import { LiveAnnouncer } from '@angular/cdk/a11y';
diff --git a/src/app/components/creator/_dialogs/moderators/moderators.component.ts b/src/app/components/creator/_dialogs/moderators/moderators.component.ts
index ab343d1a4..61fe8968f 100644
--- a/src/app/components/creator/_dialogs/moderators/moderators.component.ts
+++ b/src/app/components/creator/_dialogs/moderators/moderators.component.ts
@@ -1,5 +1,5 @@
 import { Component, Inject, OnInit } from '@angular/core';
-import { MAT_DIALOG_DATA, MatDialog, MatDialogRef } from '@angular/material';
+import { MAT_DIALOG_DATA, MatDialog, MatDialogRef } from '@angular/material/dialog';
 import { NotificationService } from '../../../../services/util/notification.service';
 import { TranslateService } from '@ngx-translate/core';
 import { ModeratorService } from '../../../../services/http/moderator.service';
diff --git a/src/app/components/creator/_dialogs/room-delete/room-delete.component.ts b/src/app/components/creator/_dialogs/room-delete/room-delete.component.ts
index ad5f73eb2..cb8697db7 100644
--- a/src/app/components/creator/_dialogs/room-delete/room-delete.component.ts
+++ b/src/app/components/creator/_dialogs/room-delete/room-delete.component.ts
@@ -1,5 +1,5 @@
 import { Component, Inject, OnInit } from '@angular/core';
-import { MAT_DIALOG_DATA, MatDialogRef } from '@angular/material';
+import { MAT_DIALOG_DATA, MatDialogRef } from '@angular/material/dialog';
 import { Room } from '../../../../models/room';
 import { RoomEditComponent } from '../room-edit/room-edit.component';
 import { DialogConfirmActionButtonType } from '../../../shared/dialog/dialog-action-buttons/dialog-action-buttons.component';
diff --git a/src/app/components/creator/_dialogs/room-edit/room-edit.component.ts b/src/app/components/creator/_dialogs/room-edit/room-edit.component.ts
index 7031a5deb..c50e79b6b 100644
--- a/src/app/components/creator/_dialogs/room-edit/room-edit.component.ts
+++ b/src/app/components/creator/_dialogs/room-edit/room-edit.component.ts
@@ -1,6 +1,6 @@
 import { Component, Inject, OnInit } from '@angular/core';
 import { Room } from '../../../../models/room';
-import { MAT_DIALOG_DATA, MatDialog, MatDialogRef } from '@angular/material';
+import { MAT_DIALOG_DATA, MatDialog, MatDialogRef } from '@angular/material/dialog';
 import { RoomDeleteComponent } from '../room-delete/room-delete.component';
 import { NotificationService } from '../../../../services/util/notification.service';
 import { TranslateService } from '@ngx-translate/core';
diff --git a/src/app/components/creator/_dialogs/tags/tags.component.ts b/src/app/components/creator/_dialogs/tags/tags.component.ts
index 4f84f8638..53e087c75 100644
--- a/src/app/components/creator/_dialogs/tags/tags.component.ts
+++ b/src/app/components/creator/_dialogs/tags/tags.component.ts
@@ -1,5 +1,5 @@
 import { Component, Inject, OnInit, ViewChild, ElementRef } from '@angular/core';
-import { MAT_DIALOG_DATA, MatDialog, MatDialogRef } from '@angular/material';
+import { MAT_DIALOG_DATA, MatDialog, MatDialogRef } from '@angular/material/dialog';
 import { NotificationService } from '../../../../services/util/notification.service';
 import { TranslateService } from '@ngx-translate/core';
 import { RoomCreatorPageComponent } from '../../room-creator-page/room-creator-page.component';
@@ -20,7 +20,7 @@ export class TagsComponent implements OnInit {
   tagsEnabled: boolean;
 
   tagFormControl = new FormControl('', [Validators.minLength(3), Validators.maxLength(15)]);
-  @ViewChild('tag', { static: false }) redel: ElementRef;
+  @ViewChild('tag') redel: ElementRef;
 
   constructor(public dialogRef: MatDialogRef<RoomCreatorPageComponent>,
     public dialog: MatDialog,
diff --git a/src/app/components/creator/creator.module.ts b/src/app/components/creator/creator.module.ts
index afc28a61f..08131482a 100644
--- a/src/app/components/creator/creator.module.ts
+++ b/src/app/components/creator/creator.module.ts
@@ -52,20 +52,7 @@ import { DeleteAnswerComponent } from './_dialogs/delete-answer/delete-answer.co
     BonusDeleteComponent,
     DeleteAnswerComponent
   ],
-  exports: [],
-  entryComponents: [
-    RoomDeleteComponent,
-    RoomEditComponent,
-    ModeratorsComponent,
-    BonusTokenComponent,
-    CommentSettingsComponent,
-    ModeratorDeleteComponent,
-    TagsComponent,
-    DeleteCommentsComponent,
-    DeleteCommentComponent,
-    BonusDeleteComponent,
-    DeleteAnswerComponent
-  ]
+  exports: []
 })
 export class CreatorModule {
 }
diff --git a/src/app/components/creator/room-creator-page/room-creator-page.component.ts b/src/app/components/creator/room-creator-page/room-creator-page.component.ts
index fd8716845..a5d768653 100644
--- a/src/app/components/creator/room-creator-page/room-creator-page.component.ts
+++ b/src/app/components/creator/room-creator-page/room-creator-page.component.ts
@@ -6,7 +6,7 @@ import { Room } from '../../../models/room';
 import { CommentSettingsDialog } from '../../../models/comment-settings-dialog';
 import { Location } from '@angular/common';
 import { NotificationService } from '../../../services/util/notification.service';
-import { MatDialog } from '@angular/material';
+import { MatDialog } from '@angular/material/dialog';
 import { RoomEditComponent } from '../_dialogs/room-edit/room-edit.component';
 import { TranslateService } from '@ngx-translate/core';
 import { LanguageService } from '../../../services/util/language.service';
diff --git a/src/app/components/essentials/essentials.module.ts b/src/app/components/essentials/essentials.module.ts
index 58e4e28f3..b913f63f2 100644
--- a/src/app/components/essentials/essentials.module.ts
+++ b/src/app/components/essentials/essentials.module.ts
@@ -2,38 +2,38 @@ import { NgModule } from '@angular/core';
 import { FlexLayoutModule } from '@angular/flex-layout';
 import { FormsModule, ReactiveFormsModule } from '@angular/forms';
 import { HttpClient, HttpClientModule } from '@angular/common/http';
-import {
-  MatAutocompleteModule,
-  MatBadgeModule,
-  MatButtonModule,
-  MatButtonToggleModule,
-  MatCardModule,
-  MatCheckboxModule,
-  MatChipsModule,
-  MatDatepickerModule,
-  MatDialogModule,
-  MatDividerModule,
-  MatExpansionModule,
-  MatFormFieldModule,
-  MatGridListModule,
-  MatIconModule,
-  MatInputModule,
-  MatListModule,
-  MatMenuModule,
-  MatPaginatorModule,
-  MatProgressBarModule,
-  MatProgressSpinnerModule,
-  MatRadioModule,
-  MatSelectModule,
-  MatSidenavModule,
-  MatSliderModule,
-  MatSlideToggleModule,
-  MatSnackBarModule,
-  MatSortModule,
-  MatStepperModule,
-  MatTableModule,
-  MatTabsModule, MatToolbarModule, MatTooltipModule
-} from '@angular/material';
+import { MatAutocompleteModule } from '@angular/material/autocomplete';
+import { MatBadgeModule } from '@angular/material/badge';
+import { MatButtonModule } from '@angular/material/button';
+import { MatButtonToggleModule } from '@angular/material/button-toggle';
+import { MatCardModule } from '@angular/material/card';
+import { MatCheckboxModule } from '@angular/material/checkbox';
+import { MatChipsModule } from '@angular/material/chips';
+import { MatDatepickerModule } from '@angular/material/datepicker';
+import { MatDialogModule } from '@angular/material/dialog';
+import { MatDividerModule } from '@angular/material/divider';
+import { MatExpansionModule } from '@angular/material/expansion';
+import { MatFormFieldModule } from '@angular/material/form-field';
+import { MatGridListModule } from '@angular/material/grid-list';
+import { MatIconModule } from '@angular/material/icon';
+import { MatInputModule } from '@angular/material/input';
+import { MatListModule } from '@angular/material/list';
+import { MatMenuModule } from '@angular/material/menu';
+import { MatPaginatorModule } from '@angular/material/paginator';
+import { MatProgressBarModule } from '@angular/material/progress-bar';
+import { MatProgressSpinnerModule } from '@angular/material/progress-spinner';
+import { MatRadioModule } from '@angular/material/radio';
+import { MatSelectModule } from '@angular/material/select';
+import { MatSidenavModule } from '@angular/material/sidenav';
+import { MatSlideToggleModule } from '@angular/material/slide-toggle';
+import { MatSliderModule } from '@angular/material/slider';
+import { MatSnackBarModule } from '@angular/material/snack-bar';
+import { MatSortModule } from '@angular/material/sort';
+import { MatStepperModule } from '@angular/material/stepper';
+import { MatTableModule } from '@angular/material/table';
+import { MatTabsModule } from '@angular/material/tabs';
+import { MatToolbarModule } from '@angular/material/toolbar';
+import { MatTooltipModule } from '@angular/material/tooltip';
 import { TranslateLoader, TranslateModule } from '@ngx-translate/core';
 import { TranslateHttpLoader } from '@ngx-translate/http-loader';
 
diff --git a/src/app/components/home/_dialogs/cookies/cookies.component.ts b/src/app/components/home/_dialogs/cookies/cookies.component.ts
index b3394a2be..5d69d5186 100644
--- a/src/app/components/home/_dialogs/cookies/cookies.component.ts
+++ b/src/app/components/home/_dialogs/cookies/cookies.component.ts
@@ -1,6 +1,6 @@
 import { AfterViewInit, Component, ElementRef, OnInit, ViewChild } from '@angular/core';
 import { DataProtectionComponent } from '../data-protection/data-protection.component';
-import { MatDialog, MatDialogRef } from '@angular/material';
+import { MatDialog, MatDialogRef } from '@angular/material/dialog';
 import { DialogConfirmActionButtonType } from '../../../shared/dialog/dialog-action-buttons/dialog-action-buttons.component';
 
 @Component({
@@ -10,7 +10,7 @@ import { DialogConfirmActionButtonType } from '../../../shared/dialog/dialog-act
 })
 export class CookiesComponent implements OnInit, AfterViewInit {
 
-  @ViewChild('header', { static: false })
+  @ViewChild('header')
   dialogTitle: ElementRef;
 
   deviceType: string;
diff --git a/src/app/components/home/_dialogs/data-protection/data-protection.component.ts b/src/app/components/home/_dialogs/data-protection/data-protection.component.ts
index db83c0445..b034e5229 100644
--- a/src/app/components/home/_dialogs/data-protection/data-protection.component.ts
+++ b/src/app/components/home/_dialogs/data-protection/data-protection.component.ts
@@ -1,7 +1,7 @@
 import { Component, OnInit } from '@angular/core';
 import { Router } from '@angular/router';
 import { DialogConfirmActionButtonType } from '../../../shared/dialog/dialog-action-buttons/dialog-action-buttons.component';
-import { MatDialogRef } from '@angular/material';
+import { MatDialogRef } from '@angular/material/dialog';
 
 @Component({
   selector: 'app-data-protection',
diff --git a/src/app/components/home/_dialogs/demo-video/demo-video.component.ts b/src/app/components/home/_dialogs/demo-video/demo-video.component.ts
index ca06c3876..d910f4897 100644
--- a/src/app/components/home/_dialogs/demo-video/demo-video.component.ts
+++ b/src/app/components/home/_dialogs/demo-video/demo-video.component.ts
@@ -1,5 +1,5 @@
 import { Component, OnDestroy, OnInit } from '@angular/core';
-import { MatDialog, MatDialogRef } from '@angular/material';
+import { MatDialog, MatDialogRef } from '@angular/material/dialog';
 import { KeyboardUtils } from '../../../../utils/keyboard';
 import { KeyboardKey } from '../../../../utils/keyboard/keys';
 
diff --git a/src/app/components/home/_dialogs/imprint/imprint.component.ts b/src/app/components/home/_dialogs/imprint/imprint.component.ts
index 0aea4ed86..b85bddb49 100644
--- a/src/app/components/home/_dialogs/imprint/imprint.component.ts
+++ b/src/app/components/home/_dialogs/imprint/imprint.component.ts
@@ -1,5 +1,5 @@
 import { Component, OnInit } from '@angular/core';
-import { MatDialogRef } from '@angular/material';
+import { MatDialogRef } from '@angular/material/dialog';
 
 @Component({
   selector: 'app-imprint',
diff --git a/src/app/components/home/_dialogs/overlay/overlay.component.ts b/src/app/components/home/_dialogs/overlay/overlay.component.ts
index 5980377d7..89e151bd9 100644
--- a/src/app/components/home/_dialogs/overlay/overlay.component.ts
+++ b/src/app/components/home/_dialogs/overlay/overlay.component.ts
@@ -1,5 +1,5 @@
 import { Component, OnInit } from '@angular/core';
-import { MatDialogRef } from '@angular/material';
+import { MatDialogRef } from '@angular/material/dialog';
 import { DialogConfirmActionButtonType } from '../../../shared/dialog/dialog-action-buttons/dialog-action-buttons.component';
 
 @Component({
diff --git a/src/app/components/home/_dialogs/password-reset/password-reset.component.ts b/src/app/components/home/_dialogs/password-reset/password-reset.component.ts
index 6a4b890c8..49c353ead 100644
--- a/src/app/components/home/_dialogs/password-reset/password-reset.component.ts
+++ b/src/app/components/home/_dialogs/password-reset/password-reset.component.ts
@@ -1,12 +1,13 @@
 import { Component, Inject, OnInit } from '@angular/core';
 import { FormControl, FormGroupDirective, NgForm, Validators } from '@angular/forms';
-import { ErrorStateMatcher, MAT_DIALOG_DATA, MatDialogRef } from '@angular/material';
+import { MAT_DIALOG_DATA, MatDialogRef } from '@angular/material/dialog';
 import { RegisterComponent, validatePassword } from '../register/register.component';
 import { AuthenticationService } from '../../../../services/http/authentication.service';
 import { NotificationService } from '../../../../services/util/notification.service';
 import { TranslateService } from '@ngx-translate/core';
 import { EventService } from '../../../../services/util/event.service';
 import { LiveAnnouncer } from '@angular/cdk/a11y';
+import { ErrorStateMatcher } from '@angular/material/core';
 
 
 export class PasswordResetErrorStateMatcher implements ErrorStateMatcher {
diff --git a/src/app/components/home/_dialogs/register/register.component.ts b/src/app/components/home/_dialogs/register/register.component.ts
index 4e8a484af..fcdcb3663 100644
--- a/src/app/components/home/_dialogs/register/register.component.ts
+++ b/src/app/components/home/_dialogs/register/register.component.ts
@@ -1,10 +1,11 @@
 import { Component, Inject, OnInit } from '@angular/core';
-import { ErrorStateMatcher, MAT_DIALOG_DATA, MatDialogRef } from '@angular/material';
+import { MAT_DIALOG_DATA, MatDialogRef } from '@angular/material/dialog';
 import { FormControl, FormGroupDirective, NgForm, Validators } from '@angular/forms';
 import { AuthenticationService } from '../../../../services/http/authentication.service';
 import { NotificationService } from '../../../../services/util/notification.service';
 import { TranslateService } from '@ngx-translate/core';
 import { EventService } from '../../../../services/util/event.service';
+import { ErrorStateMatcher } from '@angular/material/core';
 
 export class RegisterErrorStateMatcher implements ErrorStateMatcher {
   isErrorState(control: FormControl | null, form: FormGroupDirective | NgForm | null): boolean {
diff --git a/src/app/components/home/_dialogs/user-activation/user-activation.component.ts b/src/app/components/home/_dialogs/user-activation/user-activation.component.ts
index f8d4abecb..5cb6299b9 100644
--- a/src/app/components/home/_dialogs/user-activation/user-activation.component.ts
+++ b/src/app/components/home/_dialogs/user-activation/user-activation.component.ts
@@ -2,7 +2,7 @@ import { Component, Inject, OnInit } from '@angular/core';
 import { NotificationService } from '../../../../services/util/notification.service';
 import { UserService } from '../../../../services/http/user.service';
 import { FormControl, Validators } from '@angular/forms';
-import { MAT_DIALOG_DATA, MatDialogRef } from '@angular/material';
+import { MAT_DIALOG_DATA, MatDialogRef } from '@angular/material/dialog';
 import { TranslateService } from '@ngx-translate/core';
 import { EventService } from '../../../../services/util/event.service';
 
diff --git a/src/app/components/home/home-creator-page/home-creator-page.component.ts b/src/app/components/home/home-creator-page/home-creator-page.component.ts
index 614f639e0..37681e874 100644
--- a/src/app/components/home/home-creator-page/home-creator-page.component.ts
+++ b/src/app/components/home/home-creator-page/home-creator-page.component.ts
@@ -1,5 +1,5 @@
 import { Component, OnInit } from '@angular/core';
-import { MatDialog } from '@angular/material';
+import { MatDialog } from '@angular/material/dialog';
 import { RoomCreateComponent } from '../../shared/_dialogs/room-create/room-create.component';
 import { TranslateService } from '@ngx-translate/core';
 import { LanguageService } from '../../../services/util/language.service';
diff --git a/src/app/components/home/new-landing/new-landing.component.ts b/src/app/components/home/new-landing/new-landing.component.ts
index 868d6b02c..09b0b36a4 100644
--- a/src/app/components/home/new-landing/new-landing.component.ts
+++ b/src/app/components/home/new-landing/new-landing.component.ts
@@ -1,6 +1,6 @@
 import { Component, OnInit } from '@angular/core';
 import { RoomCreateComponent } from '../../shared/_dialogs/room-create/room-create.component';
-import { MatDialog } from '@angular/material';
+import { MatDialog } from '@angular/material/dialog';
 import { Router } from '@angular/router';
 import { TranslateService } from '@ngx-translate/core';
 import { LanguageService } from '../../../services/util/language.service';
diff --git a/src/app/components/home/user-home/user-home.component.ts b/src/app/components/home/user-home/user-home.component.ts
index 0a1769e1a..12333bf64 100644
--- a/src/app/components/home/user-home/user-home.component.ts
+++ b/src/app/components/home/user-home/user-home.component.ts
@@ -1,5 +1,5 @@
 import { Component, OnInit, OnDestroy, Renderer2, AfterContentInit } from '@angular/core';
-import { MatDialog } from '@angular/material';
+import { MatDialog } from '@angular/material/dialog';
 import { TranslateService } from '@ngx-translate/core';
 import { LanguageService } from '../../../services/util/language.service';
 import { RoomCreateComponent } from '../../shared/_dialogs/room-create/room-create.component';
diff --git a/src/app/components/moderator/moderator-comment-list/moderator-comment-list.component.ts b/src/app/components/moderator/moderator-comment-list/moderator-comment-list.component.ts
index fe256e4f7..218a71388 100644
--- a/src/app/components/moderator/moderator-comment-list/moderator-comment-list.component.ts
+++ b/src/app/components/moderator/moderator-comment-list/moderator-comment-list.component.ts
@@ -4,7 +4,7 @@ import { CommentService } from '../../../services/http/comment.service';
 import { TranslateService } from '@ngx-translate/core';
 import { LanguageService } from '../../../services/util/language.service';
 import { Message } from '@stomp/stompjs';
-import { MatDialog } from '@angular/material';
+import { MatDialog } from '@angular/material/dialog';
 import { WsCommentServiceService } from '../../../services/websockets/ws-comment-service.service';
 import { User } from '../../../models/user';
 import { Vote } from '../../../models/vote';
@@ -22,7 +22,7 @@ import { AppComponent } from '../../../app.component';
   styleUrls: ['./moderator-comment-list.component.scss']
 })
 export class ModeratorCommentListComponent implements OnInit {
-  @ViewChild('searchBox', { static: false }) searchField: ElementRef;
+  @ViewChild('searchBox') searchField: ElementRef;
   @Input() user: User;
   @Input() roomId: string;
   AppComponent = AppComponent;
diff --git a/src/app/components/participant/_dialogs/remind-of-tokens/remind-of-tokens.component.ts b/src/app/components/participant/_dialogs/remind-of-tokens/remind-of-tokens.component.ts
index c70493669..543092e96 100644
--- a/src/app/components/participant/_dialogs/remind-of-tokens/remind-of-tokens.component.ts
+++ b/src/app/components/participant/_dialogs/remind-of-tokens/remind-of-tokens.component.ts
@@ -1,5 +1,5 @@
 import { Component, Inject, OnInit } from '@angular/core';
-import { MAT_DIALOG_DATA, MatDialogRef } from '@angular/material';
+import { MAT_DIALOG_DATA, MatDialogRef } from '@angular/material/dialog';
 import { RoomEditComponent } from '../../../creator/_dialogs/room-edit/room-edit.component';
 
 @Component({
diff --git a/src/app/components/participant/_dialogs/user-bonus-token/user-bonus-token.component.ts b/src/app/components/participant/_dialogs/user-bonus-token/user-bonus-token.component.ts
index 1f0ad47d4..47b7c1ef7 100644
--- a/src/app/components/participant/_dialogs/user-bonus-token/user-bonus-token.component.ts
+++ b/src/app/components/participant/_dialogs/user-bonus-token/user-bonus-token.component.ts
@@ -3,7 +3,8 @@ import { BonusTokenService } from '../../../../services/http/bonus-token.service
 import { RoomService } from '../../../../services/http/room.service';
 import { BonusToken } from '../../../../models/bonus-token';
 import { BonusTokenRoomMixin } from '../../../../models/bonus-token-room-mixin';
-import { MatDialogRef, MatOptionSelectionChange } from '@angular/material';
+import { MatDialogRef } from '@angular/material/dialog';
+import { MatOptionSelectionChange } from '@angular/material/core';
 import { Router } from '@angular/router';
 import { TranslateService } from '@ngx-translate/core';
 import { NotificationService } from '../../../../services/util/notification.service';
diff --git a/src/app/components/shared/_dialogs/create-comment/create-comment.component.ts b/src/app/components/shared/_dialogs/create-comment/create-comment.component.ts
index 56c2c4cda..98c54399a 100644
--- a/src/app/components/shared/_dialogs/create-comment/create-comment.component.ts
+++ b/src/app/components/shared/_dialogs/create-comment/create-comment.component.ts
@@ -1,7 +1,7 @@
 import { Component, Inject, OnInit } from '@angular/core';
 import { Comment } from '../../../../models/comment';
 import { NotificationService } from '../../../../services/util/notification.service';
-import { MAT_DIALOG_DATA, MatDialog, MatDialogRef } from '@angular/material';
+import { MAT_DIALOG_DATA, MatDialog, MatDialogRef } from '@angular/material/dialog';
 import { TranslateService } from '@ngx-translate/core';
 import { FormControl, Validators } from '@angular/forms';
 import { User } from '../../../../models/user';
diff --git a/src/app/components/shared/_dialogs/delete-account/delete-account.component.ts b/src/app/components/shared/_dialogs/delete-account/delete-account.component.ts
index 6fb53456e..a0ea68095 100644
--- a/src/app/components/shared/_dialogs/delete-account/delete-account.component.ts
+++ b/src/app/components/shared/_dialogs/delete-account/delete-account.component.ts
@@ -1,5 +1,5 @@
 import { Component, Inject, OnInit } from '@angular/core';
-import { MAT_DIALOG_DATA, MatDialogRef } from '@angular/material';
+import { MAT_DIALOG_DATA, MatDialogRef } from '@angular/material/dialog';
 import { RoomEditComponent } from '../../../creator/_dialogs/room-edit/room-edit.component';
 import { RoomService } from '../../../../services/http/room.service';
 import { Room } from '../../../../models/room';
diff --git a/src/app/components/shared/_dialogs/help-page/help-page.component.ts b/src/app/components/shared/_dialogs/help-page/help-page.component.ts
index b46bf5cb1..d875df1d2 100644
--- a/src/app/components/shared/_dialogs/help-page/help-page.component.ts
+++ b/src/app/components/shared/_dialogs/help-page/help-page.component.ts
@@ -1,6 +1,5 @@
 import { Component, OnInit } from '@angular/core';
-import { DialogConfirmActionButtonType } from '../../dialog/dialog-action-buttons/dialog-action-buttons.component';
-import { MatDialogRef } from '@angular/material';
+import { MatDialogRef } from '@angular/material/dialog';
 
 @Component({
   selector: 'app-help',
diff --git a/src/app/components/shared/_dialogs/present-comment/present-comment.component.ts b/src/app/components/shared/_dialogs/present-comment/present-comment.component.ts
index 317c55f23..bf4229584 100644
--- a/src/app/components/shared/_dialogs/present-comment/present-comment.component.ts
+++ b/src/app/components/shared/_dialogs/present-comment/present-comment.component.ts
@@ -1,5 +1,5 @@
 import { Component, OnInit, HostListener, Inject } from '@angular/core';
-import { MatDialog, MatDialogRef } from '@angular/material';
+import { MatDialog, MatDialogRef } from '@angular/material/dialog';
 import { TranslateService } from '@ngx-translate/core';
 import { DOCUMENT } from '@angular/common';
 import { KeyboardUtils } from '../../../../utils/keyboard';
diff --git a/src/app/components/shared/_dialogs/qr-code-dialog/qr-code-dialog.component.ts b/src/app/components/shared/_dialogs/qr-code-dialog/qr-code-dialog.component.ts
index 6fb02738d..9573ead46 100644
--- a/src/app/components/shared/_dialogs/qr-code-dialog/qr-code-dialog.component.ts
+++ b/src/app/components/shared/_dialogs/qr-code-dialog/qr-code-dialog.component.ts
@@ -9,9 +9,8 @@ import {
   ViewChildren,
   ViewEncapsulation
 } from '@angular/core';
-import { MatDialog, MatDialogRef } from '@angular/material';
+import { MatDialog, MatDialogRef } from '@angular/material/dialog';
 import { DialogConfirmActionButtonType } from '../../dialog/dialog-action-buttons/dialog-action-buttons.component';
-import { NgxQRCodeComponent } from 'ngx-qrcode2';
 
 @Component({
   selector: 'app-qr-code-dialog',
@@ -21,7 +20,6 @@ import { NgxQRCodeComponent } from 'ngx-qrcode2';
 })
 export class QrCodeDialogComponent implements OnInit, AfterViewInit {
 
-  @ViewChild(NgxQRCodeComponent) code: NgxQRCodeComponent;
   @ViewChild('imageWrapper') imgWrp: ElementRef;
   @ViewChild('text') text: ElementRef;
 
@@ -65,11 +63,11 @@ export class QrCodeDialogComponent implements OnInit, AfterViewInit {
 
   public setQRCode(url: string) {
     this.qrCode = url;
-    this.code.value = url;
-    this.code.createQRCode();
-    this.code.toDataURL().then((a) => {
-      this.createImage(a.toString());
-    });
+    // this.code.value = url;
+    // this.code.createQRCode();
+    // this.code.toDataURL().then((a) => {
+      // this.createImage(a.toString());
+    // });
   }
 
   private createImage(base: string) {
diff --git a/src/app/components/shared/_dialogs/remove-from-history/remove-from-history.component.ts b/src/app/components/shared/_dialogs/remove-from-history/remove-from-history.component.ts
index 5790c5894..fc9701625 100644
--- a/src/app/components/shared/_dialogs/remove-from-history/remove-from-history.component.ts
+++ b/src/app/components/shared/_dialogs/remove-from-history/remove-from-history.component.ts
@@ -1,5 +1,5 @@
 import { Component, Inject, OnInit } from '@angular/core';
-import { MAT_DIALOG_DATA, MatDialogRef } from '@angular/material';
+import { MAT_DIALOG_DATA, MatDialogRef } from '@angular/material/dialog';
 import { RoomEditComponent } from '../../../creator/_dialogs/room-edit/room-edit.component';
 import { DialogConfirmActionButtonType } from '../../dialog/dialog-action-buttons/dialog-action-buttons.component';
 import { UserRole } from '../../../../models/user-roles.enum';
diff --git a/src/app/components/shared/_dialogs/room-create/room-create.component.ts b/src/app/components/shared/_dialogs/room-create/room-create.component.ts
index f7ce30b3c..87cf7af38 100644
--- a/src/app/components/shared/_dialogs/room-create/room-create.component.ts
+++ b/src/app/components/shared/_dialogs/room-create/room-create.component.ts
@@ -4,7 +4,7 @@ import { Room } from '../../../../models/room';
 import { UserRole } from '../../../../models/user-roles.enum';
 import { Router } from '@angular/router';
 import { NotificationService } from '../../../../services/util/notification.service';
-import { MAT_DIALOG_DATA, MatDialogRef } from '@angular/material';
+import { MAT_DIALOG_DATA, MatDialogRef } from '@angular/material/dialog';
 import { AuthenticationService } from '../../../../services/http/authentication.service';
 import { TranslateService } from '@ngx-translate/core';
 import { TSMap } from 'typescript-map';
diff --git a/src/app/components/shared/comment-answer/comment-answer.component.ts b/src/app/components/shared/comment-answer/comment-answer.component.ts
index 71850e08e..6cd3763a6 100644
--- a/src/app/components/shared/comment-answer/comment-answer.component.ts
+++ b/src/app/components/shared/comment-answer/comment-answer.component.ts
@@ -9,7 +9,7 @@ import { User } from '../../../models/user';
 import { AuthenticationService } from '../../../services/http/authentication.service';
 import { UserRole } from '../../../models/user-roles.enum';
 import { NotificationService } from '../../../services/util/notification.service';
-import { MatDialog } from '@angular/material';
+import { MatDialog } from '@angular/material/dialog';
 import { DeleteAnswerComponent } from '../../creator/_dialogs/delete-answer/delete-answer.component';
 
 @Component({
diff --git a/src/app/components/shared/comment-list/comment-list.component.ts b/src/app/components/shared/comment-list/comment-list.component.ts
index 00f0e1033..5cafac5f3 100644
--- a/src/app/components/shared/comment-list/comment-list.component.ts
+++ b/src/app/components/shared/comment-list/comment-list.component.ts
@@ -5,7 +5,7 @@ import { TranslateService } from '@ngx-translate/core';
 import { LanguageService } from '../../../services/util/language.service';
 import { Message } from '@stomp/stompjs';
 import { CreateCommentComponent } from '../_dialogs/create-comment/create-comment.component';
-import { MatDialog } from '@angular/material';
+import { MatDialog } from '@angular/material/dialog';
 import { WsCommentServiceService } from '../../../services/websockets/ws-comment-service.service';
 import { User } from '../../../models/user';
 import { Vote } from '../../../models/vote';
@@ -27,7 +27,7 @@ import { Router } from '@angular/router';
   styleUrls: ['./comment-list.component.scss']
 })
 export class CommentListComponent implements OnInit, OnDestroy {
-  @ViewChild('searchBox', { static: false }) searchField: ElementRef;
+  @ViewChild('searchBox') searchField: ElementRef;
   @Input() user: User;
   @Input() roomId: string;
   AppComponent = AppComponent;
diff --git a/src/app/components/shared/comment/comment.component.ts b/src/app/components/shared/comment/comment.component.ts
index 214732bd4..60aa361e7 100644
--- a/src/app/components/shared/comment/comment.component.ts
+++ b/src/app/components/shared/comment/comment.component.ts
@@ -10,7 +10,7 @@ import { TranslateService } from '@ngx-translate/core';
 import { LanguageService } from '../../../services/util/language.service';
 import { WsCommentServiceService } from '../../../services/websockets/ws-comment-service.service';
 import { PresentCommentComponent } from '../_dialogs/present-comment/present-comment.component';
-import { MatDialog } from '@angular/material';
+import { MatDialog } from '@angular/material/dialog';
 import { animate, keyframes, state, style, transition, trigger } from '@angular/animations';
 import { DeleteCommentComponent } from '../../creator/_dialogs/delete-comment/delete-comment.component';
 import { CorrectWrong } from '../../../models/correct-wrong.enum';
diff --git a/src/app/components/shared/footer/footer.component.ts b/src/app/components/shared/footer/footer.component.ts
index be2b5c8af..abff11df2 100644
--- a/src/app/components/shared/footer/footer.component.ts
+++ b/src/app/components/shared/footer/footer.component.ts
@@ -2,7 +2,7 @@ import { LanguageService } from './../../../services/util/language.service';
 import { Component, OnInit } from '@angular/core';
 import { NotificationService } from '../../../services/util/notification.service';
 import { Router } from '@angular/router';
-import { MatDialog } from '@angular/material';
+import { MatDialog } from '@angular/material/dialog';
 import { TranslateService } from '@ngx-translate/core';
 import { AuthenticationService } from '../../../services/http/authentication.service';
 import { User } from '../../../models/user';
diff --git a/src/app/components/shared/header/header.component.ts b/src/app/components/shared/header/header.component.ts
index 988b072a1..b716cc30f 100644
--- a/src/app/components/shared/header/header.component.ts
+++ b/src/app/components/shared/header/header.component.ts
@@ -6,7 +6,7 @@ import { User } from '../../../models/user';
 import { UserRole } from '../../../models/user-roles.enum';
 import { Location } from '@angular/common';
 import { TranslateService } from '@ngx-translate/core';
-import { MatDialog } from '@angular/material';
+import { MatDialog } from '@angular/material/dialog';
 import { LoginComponent } from '../login/login.component';
 import { DeleteAccountComponent } from '../_dialogs/delete-account/delete-account.component';
 import { UserService } from '../../../services/http/user.service';
diff --git a/src/app/components/shared/login/login.component.ts b/src/app/components/shared/login/login.component.ts
index 9135b1532..6ebfdd3fb 100644
--- a/src/app/components/shared/login/login.component.ts
+++ b/src/app/components/shared/login/login.component.ts
@@ -2,7 +2,7 @@ import { Component, Input, OnInit, OnChanges, SimpleChanges, Inject } from '@ang
 import { AuthenticationService } from '../../../services/http/authentication.service';
 import { Router } from '@angular/router';
 import { NotificationService } from '../../../services/util/notification.service';
-import { ErrorStateMatcher, MatDialog, MAT_DIALOG_DATA } from '@angular/material';
+import { MatDialog, MAT_DIALOG_DATA } from '@angular/material/dialog';
 import { FormControl, FormGroupDirective, NgForm, Validators } from '@angular/forms';
 import { UserRole } from '../../../models/user-roles.enum';
 import { TranslateService } from '@ngx-translate/core';
@@ -10,6 +10,7 @@ import { UserActivationComponent } from '../../home/_dialogs/user-activation/use
 import { PasswordResetComponent } from '../../home/_dialogs/password-reset/password-reset.component';
 import { RegisterComponent } from '../../home/_dialogs/register/register.component';
 import { EventService } from '../../../services/util/event.service';
+import { ErrorStateMatcher } from '@angular/material/core';
 
 export class LoginErrorStateMatcher implements ErrorStateMatcher {
   isErrorState(control: FormControl | null, form: FormGroupDirective | NgForm | null): boolean {
diff --git a/src/app/components/shared/room-join/room-join.component.ts b/src/app/components/shared/room-join/room-join.component.ts
index 8ad055fcd..7462c240f 100644
--- a/src/app/components/shared/room-join/room-join.component.ts
+++ b/src/app/components/shared/room-join/room-join.component.ts
@@ -21,7 +21,7 @@ import { KeyboardKey } from '../../../utils/keyboard/keys';
   styleUrls: ['./room-join.component.scss']
 })
 export class RoomJoinComponent implements OnInit {
-  @ViewChild('sessionCode', { static: false }) sessionCodeElement: ElementRef;
+  @ViewChild('sessionCode') sessionCodeElement: ElementRef;
 
   room: Room;
   user: User;
@@ -42,7 +42,6 @@ export class RoomJoinComponent implements OnInit {
   }
 
   ngOnInit() {
-    this.sessionCodeElement.nativeElement.focus();
     this.authenticationService.watchUser.subscribe(newUser => this.user = newUser);
   }
 
diff --git a/src/app/components/shared/room-list/room-list.component.ts b/src/app/components/shared/room-list/room-list.component.ts
index 6b9e120f9..cdb0a0d59 100644
--- a/src/app/components/shared/room-list/room-list.component.ts
+++ b/src/app/components/shared/room-list/room-list.component.ts
@@ -8,12 +8,13 @@ import { RoomService } from '../../../services/http/room.service';
 import { EventService } from '../../../services/util/event.service';
 import { AuthenticationService } from '../../../services/http/authentication.service';
 import { ModeratorService } from '../../../services/http/moderator.service';
-import { MatDialog, MatTableDataSource } from '@angular/material';
+import { MatDialog } from '@angular/material/dialog';
 import { Subscription } from 'rxjs';
 import { CommentService } from '../../../services/http/comment.service';
 import { NotificationService } from '../../../services/util/notification.service';
 import { TranslateService } from '@ngx-translate/core';
 import { RemoveFromHistoryComponent } from '../_dialogs/remove-from-history/remove-from-history.component';
+import { MatTableDataSource } from '@angular/material/table';
 
 @Component({
   selector: 'app-room-list',
diff --git a/src/app/components/shared/shared.module.ts b/src/app/components/shared/shared.module.ts
index fd1b9fe51..3645c47fc 100644
--- a/src/app/components/shared/shared.module.ts
+++ b/src/app/components/shared/shared.module.ts
@@ -9,7 +9,6 @@ import { RoomPageComponent } from './room-page/room-page.component';
 import { CommentPageComponent } from './comment-page/comment-page.component';
 import { EssentialsModule } from '../essentials/essentials.module';
 import { SharedRoutingModule } from './shared-routing.module';
-import { ChartsModule } from 'ng2-charts';
 import { RoomJoinComponent } from './room-join/room-join.component';
 import { RoomCreateComponent } from './_dialogs/room-create/room-create.component';
 import { UserBonusTokenComponent } from '../participant/_dialogs/user-bonus-token/user-bonus-token.component';
@@ -20,22 +19,19 @@ import { CreateCommentComponent } from './_dialogs/create-comment/create-comment
 import { PresentCommentComponent } from './_dialogs/present-comment/present-comment.component';
 import { DeleteAccountComponent } from './_dialogs/delete-account/delete-account.component';
 import { DialogActionButtonsComponent } from './dialog/dialog-action-buttons/dialog-action-buttons.component';
-import { MatRippleModule } from '@angular/material';
 import { QrCodeDialogComponent } from './_dialogs/qr-code-dialog/qr-code-dialog.component';
-import { NgxQRCodeModule } from 'ngx-qrcode2';
 import { ArsModule } from '../../../../projects/ars/src/lib/ars.module';
 import { RemoveFromHistoryComponent } from './_dialogs/remove-from-history/remove-from-history.component';
 import { CommentAnswerComponent } from './comment-answer/comment-answer.component';
 import { MarkdownModule } from 'ngx-markdown';
+import { MatRippleModule } from '@angular/material/core';
 
 @NgModule({
   imports: [
     CommonModule,
     EssentialsModule,
-    ChartsModule,
     SharedRoutingModule,
     MatRippleModule,
-    NgxQRCodeModule,
     ArsModule,
     MarkdownModule
   ],
@@ -75,15 +71,6 @@ import { MarkdownModule } from 'ngx-markdown';
     CommentComponent,
     DialogActionButtonsComponent,
     UserBonusTokenComponent
-  ],
-  entryComponents: [
-    RoomCreateComponent,
-    LoginComponent,
-    CreateCommentComponent,
-    PresentCommentComponent,
-    DeleteAccountComponent,
-    UserBonusTokenComponent,
-    RemindOfTokensComponent
   ]
 })
 export class SharedModule {
diff --git a/src/app/services/util/event.service.ts b/src/app/services/util/event.service.ts
index 68cead0ec..c69da34c0 100644
--- a/src/app/services/util/event.service.ts
+++ b/src/app/services/util/event.service.ts
@@ -1,12 +1,14 @@
 import { Subject } from 'rxjs';
 import { Observable } from 'rxjs';
 import { filter, map } from 'rxjs/operators';
+import { Injectable } from '@angular/core';
 
 interface BroadcastEvent {
   key: any;
   data?: any;
 }
 
+@Injectable()
 export class EventService {
   private _eventBus: Subject<BroadcastEvent>;
   focusOnInput: boolean;
diff --git a/src/app/services/util/notification.service.ts b/src/app/services/util/notification.service.ts
index 9bbbe09f3..465651a9e 100644
--- a/src/app/services/util/notification.service.ts
+++ b/src/app/services/util/notification.service.ts
@@ -1,5 +1,5 @@
 import { Injectable } from '@angular/core';
-import { MatSnackBar, MatSnackBarConfig } from '@angular/material';
+import { MatSnackBar, MatSnackBarConfig } from '@angular/material/snack-bar';
 
 @Injectable()
 export class NotificationService {
diff --git a/src/main.ts b/src/main.ts
index 7595f870b..6a7e92bf3 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -4,8 +4,6 @@ import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
 import { AppModule } from './app/app.module';
 import { environment } from './environments/environment';
 
-import 'hammerjs';
-
 if (environment.production) {
   enableProdMode();
 }
diff --git a/src/tsconfig.app.json b/src/tsconfig.app.json
index 9231c6e31..2e7a5b206 100644
--- a/src/tsconfig.app.json
+++ b/src/tsconfig.app.json
@@ -5,8 +5,11 @@
     "baseUrl": "./",
     "types": []
   },
-  "exclude": [
-    "test.ts",
-    "**/*.spec.ts"
+  "files": [
+    "main.ts",
+    "polyfills.ts"
+  ],
+  "include": [
+    "src/**/*.d.ts"
   ]
 }
-- 
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