Merge branch 'master' into rerender-hidden

package.json

@@ -33,7 +33,7 @@
     "vtfeatures": "node bin/extract_vtfeatures.js src/**/*.ts src/*.ts"
   },
   "devDependencies": {
-    "@types/chai": "^4.2.12",
+    "@types/chai": "^4.2.14",
     "@types/debug": "^4.1.5",
     "@types/deep-equal": "^1.0.1",
     "@types/glob": "^7.1.3",
@@ -41,28 +41,28 @@
     "@types/mocha": "^8.0.3",
     "@types/node": "^10.17.17",
     "@types/utf8": "^2.1.6",
-    "@types/webpack": "^4.41.22",
-    "@types/ws": "^7.2.6",
+    "@types/webpack": "^4.41.23",
+    "@types/ws": "^7.2.7",
     "@typescript-eslint/eslint-plugin": "^4.0.0",
     "@typescript-eslint/parser": "^3.10.1",
     "chai": "^4.2.0",
-    "deep-equal": "^2.0.3",
-    "eslint": "^7.10.0",
+    "deep-equal": "^2.0.4",
+    "eslint": "^7.11.0",
     "express": "^4.17.1",
     "express-ws": "^4.0.0",
     "glob": "^7.0.5",
     "jsdom": "^16.4.0",
-    "mocha": "^8.1.3",
+    "mocha": "^8.2.0",
     "mustache": "^4.0.1",
     "node-pty": "^0.9.0",
     "nyc": "^15.1.0",
-    "playwright": "^1.4.2",
-    "source-map-loader": "^1.1.0",
-    "ts-loader": "^8.0.4",
+    "playwright": "^1.5.1",
+    "source-map-loader": "^1.1.1",
+    "ts-loader": "^8.0.6",
     "typescript": "4.0",
     "utf8": "^3.0.0",
     "webpack": "^4.44.2",
-    "webpack-cli": "^3.3.12",
+    "webpack-cli": "^4.1.0",
     "ws": "^7.3.1",
     "xterm-benchmark": "^0.1.3"
   }