diff --git a/karma.conf.js b/karma.conf.js
index 92f30aaf72..ad9951fb42 100644
--- a/karma.conf.js
+++ b/karma.conf.js
@@ -11,7 +11,6 @@ governing permissions and limitations under the License.
 */
 const { createDefaultConfig } = require('@open-wc/testing-karma');
 const merge = require('deepmerge');
-const path = require('path');
 
 module.exports = (config) => {
     config.set(
@@ -24,16 +23,19 @@ module.exports = (config) => {
                     type: 'module',
                 },
             ],
-            reporters: ['junit'],
-
             esm: {
                 nodeResolve: true,
             },
-            browsers: ['FirefoxHeadless'],
-            junitReporter: {
-                outputDir: process.env.JUNIT_REPORT_PATH,
-                outputFile: process.env.JUNIT_REPORT_NAME,
-                useBrowserName: false,
+            browsers: ['FirefoxHeadlessCustom'],
+            customLaunchers: {
+                FirefoxHeadlessCustom: {
+                    base: 'Firefox',
+                    flags: ['-headless'],
+                    prefs: {
+                        'toolkit.telemetry.reportingpolicy.firstRun': false,
+                        'extensions.enabledScopes': 0,
+                    },
+                },
             },
             coverageIstanbulReporter: {
                 thresholds: {
diff --git a/package.json b/package.json
index 3b54fbf4db..a2edbd5046 100644
--- a/package.json
+++ b/package.json
@@ -89,10 +89,10 @@
         "@commitlint/cli": "^8.2.0",
         "@commitlint/config-conventional": "^8.2.0",
         "@commitlint/config-lerna-scopes": "^8.2.0",
-        "@open-wc/building-webpack": "^2.8.6",
+        "@open-wc/building-webpack": "^2.10.0",
         "@open-wc/polyfills-loader": "^0.3.3",
         "@open-wc/testing": "^2.4.2",
-        "@open-wc/testing-karma": "^3.2.16",
+        "@open-wc/testing-karma": "^3.2.19",
         "@spectrum-css/rule": "^2.0.2",
         "@spectrum-css/table": "^2.0.2",
         "@storybook/addon-a11y": "^5.2.8",
@@ -151,7 +151,7 @@
         "gulp-wrap": "^0.15.0",
         "html-loader": "^0.5.5",
         "husky": "^3.0.5",
-        "karma": "^4.2.0",
+        "karma": "^4.4.1",
         "karma-firefox-launcher": "^1.2.0",
         "karma-junit-reporter": "^1.2.0",
         "karma-script-launcher": "^1.0.0",
diff --git a/yarn.lock b/yarn.lock
index 542438ef95..1b0386fa1d 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2288,36 +2288,6 @@
     once "^1.4.0"
     universal-user-agent "^4.0.0"
 
-"@open-wc/building-utils@^2.10.6":
-  version "2.10.6"
-  resolved "https://registry.yarnpkg.com/@open-wc/building-utils/-/building-utils-2.10.6.tgz#4fab37bf757900a5dcb97f55f091b1a51c94e0ca"
-  integrity sha512-Q9V7J9koCP/WRgVPSqo3zS/uFO0IOlu2/KEK1wKvQDtrfzelBGC2n98GBM9MzMT78zeRByxfFG/lIH9o4z419g==
-  dependencies:
-    "@babel/core" "^7.7.2"
-    "@babel/plugin-syntax-dynamic-import" "^7.2.0"
-    "@webcomponents/webcomponentsjs" "^2.2.10"
-    arrify "^2.0.1"
-    browserslist "^4.7.2"
-    chokidar "^3.0.0"
-    clean-css "^4.2.1"
-    clone "^2.1.2"
-    core-js-bundle "^3.4.0"
-    deepmerge "^3.2.0"
-    es-module-shims "^0.4.5"
-    html-minifier "^4.0.0"
-    lru-cache "^5.1.1"
-    minimatch "^3.0.4"
-    parse5 "^5.1.0"
-    path-is-inside "^1.0.2"
-    regenerator-runtime "^0.13.2"
-    resolve "^1.11.1"
-    rimraf "^3.0.0"
-    systemjs "^4.0.1"
-    terser "^4.0.0"
-    valid-url "^1.0.9"
-    whatwg-fetch "^3.0.0"
-    whatwg-url "^7.0.0"
-
 "@open-wc/building-utils@^2.11.0":
   version "2.11.0"
   resolved "https://registry.yarnpkg.com/@open-wc/building-utils/-/building-utils-2.11.0.tgz#e88105c4ae2e4e4a7b25e6341ac46c49526b934f"
@@ -2348,24 +2318,26 @@
     whatwg-fetch "^3.0.0"
     whatwg-url "^7.0.0"
 
-"@open-wc/building-webpack@^2.8.6":
-  version "2.8.6"
-  resolved "https://registry.yarnpkg.com/@open-wc/building-webpack/-/building-webpack-2.8.6.tgz#ff2be6c314caa1bc155a5ac406849fe58bfe5c5b"
-  integrity sha512-x4Lgh9UIosmamqUJ9w1Ncy8+KAnTQP47ASrKD1ReP2ylDgoXfCWRRnFsO7PMjiI03qawtIFpGDm4pp4ut4LQyQ==
+"@open-wc/building-webpack@^2.10.0":
+  version "2.10.0"
+  resolved "https://registry.yarnpkg.com/@open-wc/building-webpack/-/building-webpack-2.10.0.tgz#b981afaa2a5217941d9b3338874c95c3eb8c3039"
+  integrity sha512-btxSx8ZJ6hqgfF/rC9OisryC7rpmTMekEl/tG/V0iv6IQMwAt1DzSsbCiUiBALJO55R71NhUkg9SnyE1zvs+Yw==
   dependencies:
     "@babel/core" "^7.7.2"
+    "@babel/plugin-proposal-nullish-coalescing-operator" "^7.7.4"
+    "@babel/plugin-proposal-optional-chaining" "^7.7.5"
     "@babel/plugin-syntax-dynamic-import" "^7.2.0"
     "@babel/plugin-syntax-import-meta" "^7.2.0"
     "@babel/preset-env" "^7.7.1"
-    "@open-wc/building-utils" "^2.10.6"
-    "@open-wc/webpack-index-html-plugin" "^1.5.8"
+    "@open-wc/building-utils" "^2.11.0"
+    "@open-wc/webpack-index-html-plugin" "^1.5.10"
     babel-loader "^8.0.0"
     babel-plugin-bundled-import-meta "^0.3.0"
     babel-plugin-template-html-minifier "^3.0.0"
     clean-webpack-plugin "^2.0.0"
     copy-webpack-plugin "^5.0.1"
-    es-dev-server "^1.27.1"
-    terser-webpack-plugin "^1.2.1"
+    es-dev-server "^1.31.1"
+    terser-webpack-plugin "^2.3.0"
     webpack-merge "^4.1.5"
     workbox-webpack-plugin "^4.3.1"
 
@@ -2377,10 +2349,10 @@
     "@open-wc/semantic-dom-diff" "^0.13.16"
     "@types/chai" "^4.1.7"
 
-"@open-wc/karma-esm@^2.11.9":
-  version "2.11.9"
-  resolved "https://registry.yarnpkg.com/@open-wc/karma-esm/-/karma-esm-2.11.9.tgz#36c5bf9f2458548ae84b610cbfefd2ae497b75a4"
-  integrity sha512-uOCaDt4fmV1n5zEfl1FDyE2guegbaRvDgph9mAIlLBEkhym+N0YfL0jyWU6EF+5hlVUpzIiUScDFHalyqU+zhQ==
+"@open-wc/karma-esm@^2.11.12":
+  version "2.11.12"
+  resolved "https://registry.yarnpkg.com/@open-wc/karma-esm/-/karma-esm-2.11.12.tgz#5526c1f301ca92eb07f6a03e0296a05acb34ecf8"
+  integrity sha512-DMFi44Em6D9pMuQWnGm0ykj6Wp4xY0iVieidrQQxAjsieR+rDJlUZd+ZApD2d1zUKHaiJjFlAvfaZAYiD/f8uQ==
   dependencies:
     "@open-wc/building-utils" "^2.11.0"
     babel-plugin-istanbul "^5.1.4"
@@ -2419,12 +2391,12 @@
   resolved "https://registry.yarnpkg.com/@open-wc/testing-helpers/-/testing-helpers-1.4.0.tgz#d93b627c1311a1ad2b5fc4de43fc6f9fa8a79177"
   integrity sha512-XTR0HGOSBEJz7H31FDhHD2R6GHXI6DksiJsYDzJdLXqF/ORkKFzfu1BXGVOnPZytmJZLvnEr7VmE2YfV0y2Yug==
 
-"@open-wc/testing-karma@^3.2.16":
-  version "3.2.16"
-  resolved "https://registry.yarnpkg.com/@open-wc/testing-karma/-/testing-karma-3.2.16.tgz#459e9ee8503e689b7138a04f40269763a343591b"
-  integrity sha512-GX1kl5SWk1BDL0CktR93Vb6trJbKGSJMyuiNIluPYQavCpols4OvcrNzWLi36R/zZAcL08bEC29gk14z1J3bMg==
+"@open-wc/testing-karma@^3.2.19":
+  version "3.2.19"
+  resolved "https://registry.yarnpkg.com/@open-wc/testing-karma/-/testing-karma-3.2.19.tgz#aecdb5160fba981d106ad7a1a78916a0792ca7bc"
+  integrity sha512-2/UpfT5EyMpXd71IjXueT01cdGgUfUeC7FTt31ERSmc4RaDXVPBjLnBYv+julSe5MFhxqCVJC4LlcB/8upKajQ==
   dependencies:
-    "@open-wc/karma-esm" "^2.11.9"
+    "@open-wc/karma-esm" "^2.11.12"
     axe-core "^3.3.1"
     karma "^4.1.0"
     karma-chrome-launcher "^2.0.0"
@@ -2454,12 +2426,12 @@
     mocha "^6.2.2"
     sinon-chai "^3.3.0"
 
-"@open-wc/webpack-index-html-plugin@^1.5.8":
-  version "1.5.8"
-  resolved "https://registry.yarnpkg.com/@open-wc/webpack-index-html-plugin/-/webpack-index-html-plugin-1.5.8.tgz#69641d1a1b4d05fe7a2f64d1c5d6bea0731c2290"
-  integrity sha512-AV+DbLRBhPTUGiR4v+e7FlF/ZCSS2UDZE+f6Lg4uGVWWt/28/KftTtPX804E7GPemSSc863EEANlzMLyVXFmOw==
+"@open-wc/webpack-index-html-plugin@^1.5.10":
+  version "1.5.10"
+  resolved "https://registry.yarnpkg.com/@open-wc/webpack-index-html-plugin/-/webpack-index-html-plugin-1.5.10.tgz#02473bc75ecd88c70b137110f16e3999dcf996d1"
+  integrity sha512-/90kFR8nv51eBZSRQk9OpzqiHDp/zs2vldEyGFQ56rEYFp07PFdy35AdmwFRoRQgpQ0rd6FGbXlSD2Xk3AsM7A==
   dependencies:
-    "@open-wc/building-utils" "^2.10.6"
+    "@open-wc/building-utils" "^2.11.0"
     deepmerge "^3.2.0"
     parse5 "^5.1.0"
 
@@ -4130,6 +4102,14 @@ agentkeepalive@^3.4.1:
   dependencies:
     humanize-ms "^1.2.1"
 
+aggregate-error@^3.0.0:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/aggregate-error/-/aggregate-error-3.0.1.tgz#db2fe7246e536f40d9b5442a39e117d7dd6a24e0"
+  integrity sha512-quoaXsZ9/BLNae5yiNoUz+Nhkwz83GhWwtYFglcjEQB2NDHCIpApbqXxIFnm4Pq/Nvhrsq5sYJFyohrrxnTGAA==
+  dependencies:
+    clean-stack "^2.0.0"
+    indent-string "^4.0.0"
+
 "airbnb-js-shims@^1 || ^2":
   version "2.2.0"
   resolved "https://registry.yarnpkg.com/airbnb-js-shims/-/airbnb-js-shims-2.2.0.tgz#46e1d9d9516f704ef736de76a3b6d484df9a96d8"
@@ -5626,6 +5606,30 @@ cacache@^12.0.0, cacache@^12.0.2, cacache@^12.0.3:
     unique-filename "^1.1.1"
     y18n "^4.0.0"
 
+cacache@^13.0.1:
+  version "13.0.1"
+  resolved "https://registry.yarnpkg.com/cacache/-/cacache-13.0.1.tgz#a8000c21697089082f85287a1aec6e382024a71c"
+  integrity sha512-5ZvAxd05HDDU+y9BVvcqYu2LLXmPnQ0hW62h32g4xBTgL/MppR4/04NHfj/ycM2y6lmTnbw6HVi+1eN0Psba6w==
+  dependencies:
+    chownr "^1.1.2"
+    figgy-pudding "^3.5.1"
+    fs-minipass "^2.0.0"
+    glob "^7.1.4"
+    graceful-fs "^4.2.2"
+    infer-owner "^1.0.4"
+    lru-cache "^5.1.1"
+    minipass "^3.0.0"
+    minipass-collect "^1.0.2"
+    minipass-flush "^1.0.5"
+    minipass-pipeline "^1.2.2"
+    mkdirp "^0.5.1"
+    move-concurrently "^1.0.1"
+    p-map "^3.0.0"
+    promise-inflight "^1.0.1"
+    rimraf "^2.7.1"
+    ssri "^7.0.0"
+    unique-filename "^1.1.1"
+
 cache-base@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/cache-base/-/cache-base-1.0.1.tgz#0a7f46416831c8b662ee36fe4e7c59d76f666ab2"
@@ -5984,6 +5988,11 @@ clean-css@4.2.x, clean-css@^4.2.1:
   dependencies:
     source-map "~0.6.0"
 
+clean-stack@^2.0.0:
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/clean-stack/-/clean-stack-2.2.0.tgz#ee8472dbb129e727b31e8a10a427dee9dfe4008b"
+  integrity sha512-4diC9HaTE+KRAMWhDhrGOECgWZxoevMc5TlkObMqNSsVU62PYzXZ/SMTjzyGAFF1YusgxGcSWTEXBhp0CPwQ1A==
+
 clean-webpack-plugin@^2.0.0:
   version "2.0.2"
   resolved "https://registry.yarnpkg.com/clean-webpack-plugin/-/clean-webpack-plugin-2.0.2.tgz#805a19ff20d46a06125298a25eb31142ecad2166"
@@ -6779,11 +6788,6 @@ core-js@^3.0.1, core-js@^3.0.4:
   resolved "https://registry.yarnpkg.com/core-js/-/core-js-3.2.1.tgz#cd41f38534da6cc59f7db050fe67307de9868b09"
   integrity sha512-Qa5XSVefSVPRxy2XfUC13WbvqkxhkwB3ve+pgCQveNgYzbM/UxZeu1dcOX/xr4UmfUd+muuvsaxilQzCyUurMw==
 
-core-js@^3.1.3:
-  version "3.4.3"
-  resolved "https://registry.yarnpkg.com/core-js/-/core-js-3.4.3.tgz#09ea102412a368d5f73d24f082e41ac90c633a49"
-  integrity sha512-BVvHidX8uAmLCYPfLpXTEex7jz1uZJ1mW+shhIsBdA716O8Fg6TOwSgenSyO/bvEtnGdOTpKRZPSh4bSVI1k9w==
-
 core-util-is@1.0.2, core-util-is@~1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/core-util-is/-/core-util-is-1.0.2.tgz#b5fd54220aa2bc5ab57aab7140c940754503c1a7"
@@ -8103,48 +8107,6 @@ es-abstract@^1.5.1:
     string.prototype.trimleft "^2.1.0"
     string.prototype.trimright "^2.1.0"
 
-es-dev-server@^1.27.1:
-  version "1.27.1"
-  resolved "https://registry.yarnpkg.com/es-dev-server/-/es-dev-server-1.27.1.tgz#8fc4a782eff39e3d94fa614ddfaabad2a0f6e9ab"
-  integrity sha512-VDXu29/hCzJshQq6P1JDe84bwyWSVZJuXgtj++maW3iFfPfy05u67ooCqkcHtQwhIfMLM/PDmZzsH4yXWhmS5Q==
-  dependencies:
-    "@babel/core" "^7.7.2"
-    "@babel/plugin-proposal-dynamic-import" "^7.7.0"
-    "@babel/plugin-syntax-class-properties" "^7.2.0"
-    "@babel/plugin-syntax-import-meta" "^7.2.0"
-    "@babel/plugin-syntax-nullish-coalescing-operator" "^7.2.0"
-    "@babel/plugin-syntax-numeric-separator" "^7.2.0"
-    "@babel/plugin-syntax-optional-chaining" "^7.2.0"
-    "@babel/preset-env" "^7.7.1"
-    "@open-wc/building-utils" "^2.10.6"
-    "@types/minimatch" "^3.0.3"
-    browserslist "^4.7.2"
-    browserslist-useragent "^3.0.2"
-    camelcase "^5.3.1"
-    caniuse-api "^3.0.0"
-    caniuse-lite "^1.0.30001008"
-    chokidar "^3.0.0"
-    command-line-args "^5.0.2"
-    command-line-usage "^5.0.5"
-    debounce "^1.2.0"
-    deepmerge "^3.2.0"
-    es-module-lexer "0.3.9"
-    get-stream "^5.1.0"
-    is-stream "^2.0.0"
-    koa "^2.7.0"
-    koa-compress "^3.0.0"
-    koa-etag "^3.0.0"
-    koa-static "^5.0.0"
-    lru-cache "^5.1.1"
-    minimatch "^3.0.4"
-    opn "^5.4.0"
-    path-is-inside "^1.0.2"
-    portfinder "^1.0.21"
-    resolve "^1.11.1"
-    strip-ansi "^5.2.0"
-    useragent "^2.3.0"
-    whatwg-url "^7.0.0"
-
 es-dev-server@^1.31.1:
   version "1.31.1"
   resolved "https://registry.yarnpkg.com/es-dev-server/-/es-dev-server-1.31.1.tgz#3e5642f3e7c5ed5294ccec91d741fb16d000e0a7"
@@ -8982,6 +8944,15 @@ find-cache-dir@^3.0.0:
     make-dir "^3.0.0"
     pkg-dir "^4.1.0"
 
+find-cache-dir@^3.2.0:
+  version "3.2.0"
+  resolved "https://registry.yarnpkg.com/find-cache-dir/-/find-cache-dir-3.2.0.tgz#e7fe44c1abc1299f516146e563108fd1006c1874"
+  integrity sha512-1JKclkYYsf1q9WIJKLZa9S9muC+08RIjzAlLrK4QcYLJMS6mk9yombQ9qf+zJ7H9LS800k0s44L4sDq9VYzqyg==
+  dependencies:
+    commondir "^1.0.1"
+    make-dir "^3.0.0"
+    pkg-dir "^4.1.0"
+
 find-port@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/find-port/-/find-port-1.0.1.tgz#db084a6cbf99564d99869ae79fbdecf66e8a185c"
@@ -9282,6 +9253,13 @@ fs-minipass@^1.2.5:
   dependencies:
     minipass "^2.6.0"
 
+fs-minipass@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/fs-minipass/-/fs-minipass-2.0.0.tgz#a6415edab02fae4b9e9230bc87ee2e4472003cd1"
+  integrity sha512-40Qz+LFXmd9tzYVnnBmZvFfvAADfUA14TXPK1s7IfElJTIZ97rA8w4Kin7Wt5JBrC3ShnnFJO/5vPjPEeJIq9A==
+  dependencies:
+    minipass "^3.0.0"
+
 fs-mkdirp-stream@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/fs-mkdirp-stream/-/fs-mkdirp-stream-1.0.0.tgz#0b7815fc3201c6a69e14db98ce098c16935259eb"
@@ -9879,7 +9857,7 @@ graceful-fs@4.X, graceful-fs@^4.0.0, graceful-fs@^4.1.11, graceful-fs@^4.1.3, gr
   resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.2.2.tgz#6f0952605d0140c1cfdb138ed005775b92d67b02"
   integrity sha512-IItsdsea19BoLC7ELy13q1iJFNmd7ofZH5+X/pJr90/nRoPEX0DJo1dHDbgtYWOhJhcCgMDTOw84RZ72q6lB+Q==
 
-graceful-fs@^4.1.15, graceful-fs@^4.1.2, graceful-fs@^4.1.6:
+graceful-fs@^4.1.15, graceful-fs@^4.1.2, graceful-fs@^4.1.6, graceful-fs@^4.2.2:
   version "4.2.3"
   resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.2.3.tgz#4a12ff1b60376ef09862c2093edd908328be8423"
   integrity sha512-a30VEBm4PEdx1dRB7MFK7BejejvCvBronbLjht+sHuGYj8PHs7M/5Z+rt5lw551vZ7yfTCj4Vuyy3mSJytDWRQ==
@@ -10683,6 +10661,11 @@ indent-string@^3.0.0:
   resolved "https://registry.yarnpkg.com/indent-string/-/indent-string-3.2.0.tgz#4a5fd6d27cc332f37e5419a504dbb837105c9289"
   integrity sha1-Sl/W0nzDMvN+VBmlBNu4NxBckok=
 
+indent-string@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/indent-string/-/indent-string-4.0.0.tgz#624f8f4497d619b2d9768531d58f4122854d7251"
+  integrity sha512-EdDDZu4A2OyIK7Lr/2zG+w5jmbuk1DVBnEwREQvBzspBJkCEbRa8GxU1lghYcaGJCnRWibjDXlq779X1/y5xwg==
+
 indent@0.0.2:
   version "0.0.2"
   resolved "https://registry.yarnpkg.com/indent/-/indent-0.0.2.tgz#8c79f080190559b687034b84c7aefa97d5a911d9"
@@ -11560,6 +11543,14 @@ istanbul-reports@^2.2.4:
   dependencies:
     handlebars "^4.1.2"
 
+jest-worker@^24.9.0:
+  version "24.9.0"
+  resolved "https://registry.yarnpkg.com/jest-worker/-/jest-worker-24.9.0.tgz#5dbfdb5b2d322e98567898238a9697bcce67b3e5"
+  integrity sha512-51PE4haMSXcHohnSMdM42anbvZANYTqMrr52tVKPqqsPJMzoP6FYYDVqahX/HrAoKEKz3uUPzSvKs9A3qR4iVw==
+  dependencies:
+    merge-stream "^2.0.0"
+    supports-color "^6.1.0"
+
 jquery@^3.4.1:
   version "3.4.1"
   resolved "https://registry.yarnpkg.com/jquery/-/jquery-3.4.1.tgz#714f1f8d9dde4bdfa55764ba37ef214630d80ef2"
@@ -11841,7 +11832,7 @@ karma-source-map-support@^1.3.0:
   dependencies:
     source-map-support "^0.5.5"
 
-karma@^4.1.0:
+karma@^4.1.0, karma@^4.4.1:
   version "4.4.1"
   resolved "https://registry.yarnpkg.com/karma/-/karma-4.4.1.tgz#6d9aaab037a31136dc074002620ee11e8c2e32ab"
   integrity sha512-L5SIaXEYqzrh6b1wqYC42tNsFMx2PWuxky84pK9coK09MvmL7mxii3G3bZBh/0rvD27lqDd0le9jyhzvwif73A==
@@ -11873,39 +11864,6 @@ karma@^4.1.0:
     tmp "0.0.33"
     useragent "2.3.0"
 
-karma@^4.2.0:
-  version "4.3.0"
-  resolved "https://registry.yarnpkg.com/karma/-/karma-4.3.0.tgz#e14471ea090a952265a42ebb442b1a3c09832559"
-  integrity sha512-NSPViHOt+RW38oJklvYxQC4BSQsv737oQlr/r06pCM+slDOr4myuI1ivkRmp+3dVpJDfZt2DmaPJ2wkx+ZZuMQ==
-  dependencies:
-    bluebird "^3.3.0"
-    body-parser "^1.16.1"
-    braces "^3.0.2"
-    chokidar "^3.0.0"
-    colors "^1.1.0"
-    connect "^3.6.0"
-    core-js "^3.1.3"
-    di "^0.0.1"
-    dom-serialize "^2.2.0"
-    flatted "^2.0.0"
-    glob "^7.1.1"
-    graceful-fs "^4.1.2"
-    http-proxy "^1.13.0"
-    isbinaryfile "^3.0.0"
-    lodash "^4.17.14"
-    log4js "^4.0.0"
-    mime "^2.3.1"
-    minimatch "^3.0.2"
-    optimist "^0.6.1"
-    qjobs "^1.1.4"
-    range-parser "^1.2.0"
-    rimraf "^2.6.0"
-    safe-buffer "^5.0.1"
-    socket.io "2.1.1"
-    source-map "^0.6.1"
-    tmp "0.0.33"
-    useragent "2.3.0"
-
 kew@~0.1.7:
   version "0.1.7"
   resolved "https://registry.yarnpkg.com/kew/-/kew-0.1.7.tgz#0a32a817ff1a9b3b12b8c9bacf4bc4d679af8e72"
@@ -12977,6 +12935,11 @@ merge-stream@^1.0.0:
   dependencies:
     readable-stream "^2.0.1"
 
+merge-stream@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/merge-stream/-/merge-stream-2.0.0.tgz#52823629a14dd00c9770fb6ad47dc6310f2c1f60"
+  integrity sha512-abv/qOcuPfk3URPfDzmZU1LKmuw8kT+0nIHvKrKgFrwifol/doWcdA4ZqsWQ8ENrFKkd67Mfpo/LovbIUsbt3w==
+
 merge2@^1.2.3, merge2@^1.3.0:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/merge2/-/merge2-1.3.0.tgz#5b366ee83b2f1582c48f87e47cf1a9352103ca81"
@@ -13164,6 +13127,27 @@ minimist@~0.0.1:
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.0.10.tgz#de3f98543dbf96082be48ad1a0c7cda836301dcf"
   integrity sha1-3j+YVD2/lggr5IrRoMfNqDYwHc8=
 
+minipass-collect@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/minipass-collect/-/minipass-collect-1.0.2.tgz#22b813bf745dc6edba2576b940022ad6edc8c617"
+  integrity sha512-6T6lH0H8OG9kITm/Jm6tdooIbogG9e0tLgpY6mphXSm/A9u8Nq1ryBG+Qspiub9LjWlBPsPS3tWQ/Botq4FdxA==
+  dependencies:
+    minipass "^3.0.0"
+
+minipass-flush@^1.0.5:
+  version "1.0.5"
+  resolved "https://registry.yarnpkg.com/minipass-flush/-/minipass-flush-1.0.5.tgz#82e7135d7e89a50ffe64610a787953c4c4cbb373"
+  integrity sha512-JmQSYYpPUqX5Jyn1mXaRwOda1uQ8HP5KAT/oDSLCzt1BYRhQU0/hDtsB1ufZfEEzMZ9aAVmsBw8+FWsIXlClWw==
+  dependencies:
+    minipass "^3.0.0"
+
+minipass-pipeline@^1.2.2:
+  version "1.2.2"
+  resolved "https://registry.yarnpkg.com/minipass-pipeline/-/minipass-pipeline-1.2.2.tgz#3dcb6bb4a546e32969c7ad710f2c79a86abba93a"
+  integrity sha512-3JS5A2DKhD2g0Gg8x3yamO0pj7YeKGwVlDS90pF++kxptwx/F+B//roxf9SqYil5tQo65bijy+dAuAFZmYOouA==
+  dependencies:
+    minipass "^3.0.0"
+
 minipass@^2.2.1, minipass@^2.2.4, minipass@^2.3.5, minipass@^2.6.0, minipass@^2.6.4:
   version "2.6.5"
   resolved "https://registry.yarnpkg.com/minipass/-/minipass-2.6.5.tgz#1c245f9f2897f70fd4a219066261ce6c29f80b18"
@@ -13172,6 +13156,13 @@ minipass@^2.2.1, minipass@^2.2.4, minipass@^2.3.5, minipass@^2.6.0, minipass@^2.
     safe-buffer "^5.1.2"
     yallist "^3.0.0"
 
+minipass@^3.0.0, minipass@^3.1.1:
+  version "3.1.1"
+  resolved "https://registry.yarnpkg.com/minipass/-/minipass-3.1.1.tgz#7607ce778472a185ad6d89082aa2070f79cedcd5"
+  integrity sha512-UFqVihv6PQgwj8/yTGvl9kPz7xIAY+R5z6XYjRInD3Gk3qx6QGSD6zEcpeG4Dy/lQnv1J6zv8ejV90hyYIKf3w==
+  dependencies:
+    yallist "^4.0.0"
+
 minizlib@^1.1.0, minizlib@^1.2.1:
   version "1.2.2"
   resolved "https://registry.yarnpkg.com/minizlib/-/minizlib-1.2.2.tgz#6f0ccc82fa53e1bf2ff145f220d2da9fa6e3a166"
@@ -14140,6 +14131,13 @@ p-map@^2.0.0, p-map@^2.1.0:
   resolved "https://registry.yarnpkg.com/p-map/-/p-map-2.1.0.tgz#310928feef9c9ecc65b68b17693018a665cea175"
   integrity sha512-y3b8Kpd8OAN444hxfBbFfj1FY/RjtTd8tzYwhUqNYXx0fXx2iX4maP4Qr6qhIKbQXI02wTLAda4fYUbDagTUFw==
 
+p-map@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/p-map/-/p-map-3.0.0.tgz#d704d9af8a2ba684e2600d9a215983d4141a979d"
+  integrity sha512-d3qXVTF/s+W+CdJ5A29wywV2n8CQQYahlgz2bFiA+4eVNJbHJodPZ+/gXwPGh0bOqA+j8S+6+ckmvLGPk1QpxQ==
+  dependencies:
+    aggregate-error "^3.0.0"
+
 p-pipe@^1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/p-pipe/-/p-pipe-1.2.0.tgz#4b1a11399a11520a67790ee5a0c1d5881d6befe9"
@@ -17091,7 +17089,7 @@ rgba-regex@^1.0.0:
   resolved "https://registry.yarnpkg.com/rgba-regex/-/rgba-regex-1.0.0.tgz#43374e2e2ca0968b0ef1523460b7d730ff22eeb3"
   integrity sha1-QzdOLiyglosO8VI0YLfXMP8i7rM=
 
-rimraf@2, rimraf@^2.2.8, rimraf@^2.5.2, rimraf@^2.5.4, rimraf@^2.6.0, rimraf@^2.6.1, rimraf@^2.6.2, rimraf@^2.6.3:
+rimraf@2, rimraf@^2.2.8, rimraf@^2.5.2, rimraf@^2.5.4, rimraf@^2.6.0, rimraf@^2.6.1, rimraf@^2.6.2, rimraf@^2.6.3, rimraf@^2.7.1:
   version "2.7.1"
   resolved "https://registry.yarnpkg.com/rimraf/-/rimraf-2.7.1.tgz#35797f13a7fdadc566142c29d4f07ccad483e3ec"
   integrity sha512-uWjbaKIK3T1OSVptzX7Nl6PvQ3qAGtKEtVRjRuazjfL3Bx5eI409VZSqgND+4UNnmzLVdPj9FqFJNPqBZFve4w==
@@ -17252,6 +17250,14 @@ schema-utils@^2.0.1:
     ajv "^6.10.2"
     ajv-keywords "^3.4.1"
 
+schema-utils@^2.6.1:
+  version "2.6.1"
+  resolved "https://registry.yarnpkg.com/schema-utils/-/schema-utils-2.6.1.tgz#eb78f0b945c7bcfa2082b3565e8db3548011dc4f"
+  integrity sha512-0WXHDs1VDJyo+Zqs9TKLKyD/h7yDpHUhEFsM2CzkICFdoX1av+GBq/J2xRTFfsQO5kBfhZzANf2VcIm84jqDbg==
+  dependencies:
+    ajv "^6.10.2"
+    ajv-keywords "^3.4.1"
+
 select-hose@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/select-hose/-/select-hose-2.0.0.tgz#625d8658f865af43ec962bfc376a37359a4994ca"
@@ -17371,6 +17377,11 @@ serialize-javascript@^2.1.0:
   resolved "https://registry.yarnpkg.com/serialize-javascript/-/serialize-javascript-2.1.0.tgz#9310276819efd0eb128258bb341957f6eb2fc570"
   integrity sha512-a/mxFfU00QT88umAJQsNWOnUKckhNCqOl028N48e7wFmo2/EHpTo9Wso+iJJCMrQnmFvcjto5RJdAHEvVhcyUQ==
 
+serialize-javascript@^2.1.2:
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/serialize-javascript/-/serialize-javascript-2.1.2.tgz#ecec53b0e0317bdc95ef76ab7074b7384785fa61"
+  integrity sha512-rs9OggEUF0V4jUSecXazOYsLfu7OGK2qIn3c7IPBiffz32XniEp/TX9Xmc9LQfK2nQ2QKHvZ2oygKUGU0lG4jQ==
+
 serve-favicon@^2.5.0:
   version "2.5.0"
   resolved "https://registry.yarnpkg.com/serve-favicon/-/serve-favicon-2.5.0.tgz#935d240cdfe0f5805307fdfe967d88942a2cbcf0"
@@ -17942,6 +17953,14 @@ ssri@^6.0.0, ssri@^6.0.1:
   dependencies:
     figgy-pudding "^3.5.1"
 
+ssri@^7.0.0:
+  version "7.1.0"
+  resolved "https://registry.yarnpkg.com/ssri/-/ssri-7.1.0.tgz#92c241bf6de82365b5c7fb4bd76e975522e1294d"
+  integrity sha512-77/WrDZUWocK0mvA5NTRQyveUf+wsrIc6vyrxpS8tVvYBcX215QbafrJR3KtkpskIzoFLqqNuuYQvxaMjXJ/0g==
+  dependencies:
+    figgy-pudding "^3.5.1"
+    minipass "^3.1.1"
+
 stable@^0.1.6, stable@^0.1.8:
   version "0.1.8"
   resolved "https://registry.yarnpkg.com/stable/-/stable-0.1.8.tgz#836eb3c8382fe2936feaf544631017ce7d47a3cf"
@@ -18675,7 +18694,7 @@ ternary-stream@^2.0.1:
     merge-stream "^1.0.0"
     through2 "^2.0.1"
 
-terser-webpack-plugin@^1.2.1, terser-webpack-plugin@^1.2.4, terser-webpack-plugin@^1.4.1:
+terser-webpack-plugin@^1.2.4, terser-webpack-plugin@^1.4.1:
   version "1.4.1"
   resolved "https://registry.yarnpkg.com/terser-webpack-plugin/-/terser-webpack-plugin-1.4.1.tgz#61b18e40eaee5be97e771cdbb10ed1280888c2b4"
   integrity sha512-ZXmmfiwtCLfz8WKZyYUuuHf3dMYEjg8NrjHMb0JqHVHVOSkzp3cW2/XG1fP3tRhqEqSzMwzzRQGtAPbs4Cncxg==
@@ -18690,6 +18709,20 @@ terser-webpack-plugin@^1.2.1, terser-webpack-plugin@^1.2.4, terser-webpack-plugi
     webpack-sources "^1.4.0"
     worker-farm "^1.7.0"
 
+terser-webpack-plugin@^2.3.0:
+  version "2.3.1"
+  resolved "https://registry.yarnpkg.com/terser-webpack-plugin/-/terser-webpack-plugin-2.3.1.tgz#6a63c27debc15b25ffd2588562ee2eeabdcab923"
+  integrity sha512-dNxivOXmDgZqrGxOttBH6B4xaxT4zNC+Xd+2K8jwGDMK5q2CZI+KZMA1AAnSRT+BTRvuzKsDx+fpxzPAmAMVcA==
+  dependencies:
+    cacache "^13.0.1"
+    find-cache-dir "^3.2.0"
+    jest-worker "^24.9.0"
+    schema-utils "^2.6.1"
+    serialize-javascript "^2.1.2"
+    source-map "^0.6.1"
+    terser "^4.4.3"
+    webpack-sources "^1.4.3"
+
 terser@^4.0.0, terser@^4.1.2:
   version "4.4.0"
   resolved "https://registry.yarnpkg.com/terser/-/terser-4.4.0.tgz#22c46b4817cf4c9565434bfe6ad47336af259ac3"
@@ -18699,6 +18732,15 @@ terser@^4.0.0, terser@^4.1.2:
     source-map "~0.6.1"
     source-map-support "~0.5.12"
 
+terser@^4.4.3:
+  version "4.4.3"
+  resolved "https://registry.yarnpkg.com/terser/-/terser-4.4.3.tgz#401abc52b88869cf904412503b1eb7da093ae2f0"
+  integrity sha512-0ikKraVtRDKGzHrzkCv5rUNDzqlhmhowOBqC0XqUHFpW+vJ45+20/IFBcebwKfiS2Z9fJin6Eo+F1zLZsxi8RA==
+  dependencies:
+    commander "^2.20.0"
+    source-map "~0.6.1"
+    source-map-support "~0.5.12"
+
 test-exclude@^5.2.3:
   version "5.2.3"
   resolved "https://registry.yarnpkg.com/test-exclude/-/test-exclude-5.2.3.tgz#c3d3e1e311eb7ee405e092dac10aefd09091eac0"
@@ -20048,7 +20090,7 @@ webpack-merge@^4.1.5, webpack-merge@^4.2.1:
   dependencies:
     lodash "^4.17.15"
 
-webpack-sources@^1.4.0, webpack-sources@^1.4.1:
+webpack-sources@^1.4.0, webpack-sources@^1.4.1, webpack-sources@^1.4.3:
   version "1.4.3"
   resolved "https://registry.yarnpkg.com/webpack-sources/-/webpack-sources-1.4.3.tgz#eedd8ec0b928fbf1cbfe994e22d2d890f330a933"
   integrity sha512-lgTS3Xhv1lCOKo7SA5TjKXMjpSM4sBjNV5+q2bqesbSPs5FjGmU6jjtBSkX9b4qW87vDIsCIlUPOEhbZrMdjeQ==
@@ -20572,6 +20614,11 @@ yallist@^3.0.2:
   resolved "https://registry.yarnpkg.com/yallist/-/yallist-3.1.1.tgz#dbb7daf9bfd8bac9ab45ebf602b8cbad0d5d08fd"
   integrity sha512-a4UGQaWPH59mOXUYnAG2ewncQS4i4F43Tv3JoAM+s2VDAmS9NsK8GpDMLrCHPksFT7h3K6TOoUNn2pb7RoXx4g==
 
+yallist@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/yallist/-/yallist-4.0.0.tgz#9bb92790d9c0effec63be73519e11a35019a3a72"
+  integrity sha512-3wdGidZyq5PB084XLES5TpOSRA3wjXAlIWMhum2kRcv/41Sn2emQ0dycQW4uZXLejwKvg6EsvbdlVL+FYEct7A==
+
 yargs-parser@13.1.1, yargs-parser@^13.1.0, yargs-parser@^13.1.1:
   version "13.1.1"
   resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-13.1.1.tgz#d26058532aa06d365fe091f6a1fc06b2f7e5eca0"