diff --git a/README.md b/README.md
index 255bf5f097..65e95e279d 100644
--- a/README.md
+++ b/README.md
@@ -31,7 +31,7 @@ For details on what's coming next, see our [development roadmap](roadmap.md).
 |Chrome¹    |**Y**     |**Y**    |**Y**    |**Y**    |**Native**|**Y**   | -   |
 |Firefox¹   |**Y**     |**Y**    |**Y**    |untested⁵|**Native**| -      | -   |
 |Edge¹      |**Y**     | -       | -       | -       | -        | -      | -   |
-|Edge Chromium|**Y**     |**Y**    | -       |untested⁵|**Native**| -      | -   |
+|Edge Chromium|**Y**     |**Y**    |**Y**     |untested⁵|**Native**| -      | -   |
 |IE ≤ 10    | N        | -       | -       | -       | -        | -      | -   |
 |IE 11      |**Y** ⁴   | -       | -       | -       | -        | -      | -   |
 |Safari¹    | -        |**Y**    | -       | -       |**iPadOS 13<br>Native**| - | - |
diff --git a/build/test.py b/build/test.py
index a51e8416ab..405c068016 100755
--- a/build/test.py
+++ b/build/test.py
@@ -74,13 +74,13 @@ def _GetDefaultBrowsers():
     # For MP4 support on Linux Firefox, install gstreamer1.0-libav.
     # Opera on Linux only supports MP4 for Ubuntu 15.04+, so it is not in the
     # default list of browsers for Linux at this time.
-    return ['Chrome','Firefox']
+    return ['Chrome','Edge','Firefox']
 
   if shakaBuildHelpers.is_darwin():
-    return ['Chrome','Firefox','Safari']
+    return ['Chrome','Edge','Firefox','Safari']
 
   if shakaBuildHelpers.is_windows() or shakaBuildHelpers.is_cygwin():
-    return ['Chrome','Firefox','IE']
+    return ['Chrome','Edge','Firefox','IE']
 
   raise Error('Unrecognized system: %s' % platform.uname()[0])
 
diff --git a/karma.conf.js b/karma.conf.js
index acb0aa9bf0..48f488fdb4 100644
--- a/karma.conf.js
+++ b/karma.conf.js
@@ -70,6 +70,7 @@ module.exports = (config) => {
 
     plugins: [
       'karma-*',  // default plugins
+      '@*/karma-*', // default scoped plugins
 
       // An inline plugin which supplies the webdriver-screenshot middleware.
       {
diff --git a/package.json b/package.json
index 77fc43a52a..34c5f486e5 100644
--- a/package.json
+++ b/package.json
@@ -11,6 +11,7 @@
     }
   ],
   "devDependencies": {
+    "@chiragrupani/karma-chromium-edge-launcher": "^2.1.0",
     "@teppeis/clutz": "^1.0.29-4c95e12.v20190929",
     "awesomplete": "^1.1.4",
     "babel-core": "^6.26.3",
@@ -33,7 +34,7 @@
     "jasmine-ajax": "^4.0.0",
     "jimp": "^0.11.0",
     "jsdoc": "github:joeyparrish/jsdoc#45c271fa",
-    "karma": "^6.1.1",
+    "karma": "^6.2.0",
     "karma-babel-preprocessor": "^7.0.0",
     "karma-chrome-launcher": "^2.2.0",
     "karma-coverage": "^1.1.2",