diff --git a/package.json b/package.json
index 92883e64d2..92b574da34 100644
--- a/package.json
+++ b/package.json
@@ -128,6 +128,7 @@
     "@types/classnames": "^2.2.10",
     "@types/counterpart": "^0.18.1",
     "@types/flux": "^3.1.9",
+    "@types/jest": "^26.0.20",
     "@types/linkifyjs": "^2.1.3",
     "@types/lodash": "^4.14.158",
     "@types/modernizr": "^3.5.3",
@@ -172,7 +173,7 @@
   "jest": {
     "testEnvironment": "./__test-utils__/environment.js",
     "testMatch": [
-      "<rootDir>/test/**/*-test.js"
+      "<rootDir>/test/**/*-test.[jt]s"
     ],
     "setupFiles": [
       "jest-canvas-mock"
diff --git a/src/settings/Settings.ts b/src/settings/Settings.ts
index b239b809fe..4a1e4e630d 100644
--- a/src/settings/Settings.ts
+++ b/src/settings/Settings.ts
@@ -398,6 +398,10 @@ export const SETTINGS: {[setting: string]: ISetting} = {
         supportedLevels: LEVELS_DEVICE_ONLY_SETTINGS,
         default: null,
     },
+    "voip_mxid_translate_pattern": {
+        supportedLevels: LEVELS_UI_FEATURE, // not a UI feature, but same level (config only, maybe .well-known in future)
+        default: null,
+    },
     "language": {
         supportedLevels: LEVELS_DEVICE_ONLY_SETTINGS_WITH_CONFIG,
         default: "en",
diff --git a/yarn.lock b/yarn.lock
index 10f16672ea..b0769c2c04 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1665,6 +1665,17 @@
     "@types/yargs" "^15.0.0"
     chalk "^4.0.0"
 
+"@jest/types@^26.6.2":
+  version "26.6.2"
+  resolved "https://registry.yarnpkg.com/@jest/types/-/types-26.6.2.tgz#bef5a532030e1d88a2f5a6d933f84e97226ed48e"
+  integrity sha512-fC6QCp7Sc5sX6g8Tvbmj4XUTbyrik0akgRy03yjXbQaBWWNWGE7SGtJk98m0N8nzegD/7SggrUlivxo5ax4KWQ==
+  dependencies:
+    "@types/istanbul-lib-coverage" "^2.0.0"
+    "@types/istanbul-reports" "^3.0.0"
+    "@types/node" "*"
+    "@types/yargs" "^15.0.0"
+    chalk "^4.0.0"
+
 "@mrmlnc/readdir-enhanced@^2.2.1":
   version "2.2.1"
   resolved "https://registry.yarnpkg.com/@mrmlnc/readdir-enhanced/-/readdir-enhanced-2.2.1.tgz#524af240d1a360527b730475ecfa1344aa540dde"
@@ -1858,6 +1869,14 @@
   dependencies:
     "@types/istanbul-lib-report" "*"
 
+"@types/jest@^26.0.20":
+  version "26.0.20"
+  resolved "https://registry.yarnpkg.com/@types/jest/-/jest-26.0.20.tgz#cd2f2702ecf69e86b586e1f5223a60e454056307"
+  integrity sha512-9zi2Y+5USJRxd0FsahERhBwlcvFh6D2GLQnY2FH2BzK8J9s9omvNHIbvABwIluXa0fD8XVKMLTO0aOEuUfACAA==
+  dependencies:
+    jest-diff "^26.0.0"
+    pretty-format "^26.0.0"
+
 "@types/json-schema@^7.0.3":
   version "7.0.4"
   resolved "https://registry.yarnpkg.com/@types/json-schema/-/json-schema-7.0.4.tgz#38fd73ddfd9b55abb1e1b2ed578cb55bd7b7d339"
@@ -3465,6 +3484,11 @@ diff-sequences@^26.5.0:
   resolved "https://registry.yarnpkg.com/diff-sequences/-/diff-sequences-26.5.0.tgz#ef766cf09d43ed40406611f11c6d8d9dd8b2fefd"
   integrity sha512-ZXx86srb/iYy6jG71k++wBN9P9J05UNQ5hQHQd9MtMPvcqXPx/vKU69jfHV637D00Q2gSgPk2D+jSx3l1lDW/Q==
 
+diff-sequences@^26.6.2:
+  version "26.6.2"
+  resolved "https://registry.yarnpkg.com/diff-sequences/-/diff-sequences-26.6.2.tgz#48ba99157de1923412eed41db6b6d4aa9ca7c0b1"
+  integrity sha512-Mv/TDa3nZ9sbc5soK+OoA74BsS3mL37yixCvUAQkiuA4Wz6YtwP/K47n2rv2ovzHZvoiQeA5FTQOschKkEwB0Q==
+
 dijkstrajs@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/dijkstrajs/-/dijkstrajs-1.0.1.tgz#d3cd81221e3ea40742cfcde556d4e99e98ddc71b"
@@ -5647,6 +5671,16 @@ jest-config@^26.5.2:
     micromatch "^4.0.2"
     pretty-format "^26.5.2"
 
+jest-diff@^26.0.0:
+  version "26.6.2"
+  resolved "https://registry.yarnpkg.com/jest-diff/-/jest-diff-26.6.2.tgz#1aa7468b52c3a68d7d5c5fdcdfcd5e49bd164394"
+  integrity sha512-6m+9Z3Gv9wN0WFVasqjCL/06+EFCMTqDEUl/b87HYK2rAPTyfz4ZIuSlPhY51PIQRWx5TaxeF1qmXKe9gfN3sA==
+  dependencies:
+    chalk "^4.0.0"
+    diff-sequences "^26.6.2"
+    jest-get-type "^26.3.0"
+    pretty-format "^26.6.2"
+
 jest-diff@^26.5.2:
   version "26.5.2"
   resolved "https://registry.yarnpkg.com/jest-diff/-/jest-diff-26.5.2.tgz#8e26cb32dc598e8b8a1b9deff55316f8313c8053"
@@ -7466,6 +7500,16 @@ prelude-ls@~1.1.2:
   resolved "https://registry.yarnpkg.com/prelude-ls/-/prelude-ls-1.1.2.tgz#21932a549f5e52ffd9a827f570e04be62a97da54"
   integrity sha1-IZMqVJ9eUv/ZqCf1cOBL5iqX2lQ=
 
+pretty-format@^26.0.0, pretty-format@^26.6.2:
+  version "26.6.2"
+  resolved "https://registry.yarnpkg.com/pretty-format/-/pretty-format-26.6.2.tgz#e35c2705f14cb7fe2fe94fa078345b444120fc93"
+  integrity sha512-7AeGuCYNGmycyQbCqd/3PWH4eOoX/OiCa0uphp57NVTeAGdJGaAliecxwBDHYQCIvrW7aDBZCYeNTP/WX69mkg==
+  dependencies:
+    "@jest/types" "^26.6.2"
+    ansi-regex "^5.0.0"
+    ansi-styles "^4.0.0"
+    react-is "^17.0.1"
+
 pretty-format@^26.5.2:
   version "26.5.2"
   resolved "https://registry.yarnpkg.com/pretty-format/-/pretty-format-26.5.2.tgz#5d896acfdaa09210683d34b6dc0e6e21423cd3e1"
@@ -7722,6 +7766,11 @@ react-is@^16.12.0, react-is@^16.6.0, react-is@^16.7.0, react-is@^16.8.1, react-i
   resolved "https://registry.yarnpkg.com/react-is/-/react-is-16.13.1.tgz#789729a4dc36de2999dc156dd6c1d9c18cea56a4"
   integrity sha512-24e6ynE2H+OKt4kqsOvNd8kBpV65zoxbA4BVsEOB3ARVWQki/DHzaUoC5KuON/BiccDaCCTZBuOcfZs70kR8bQ==
 
+react-is@^17.0.1:
+  version "17.0.1"
+  resolved "https://registry.yarnpkg.com/react-is/-/react-is-17.0.1.tgz#5b3531bd76a645a4c9fb6e693ed36419e3301339"
+  integrity sha512-NAnt2iGDXohE5LI7uBnLnqvLQMtzhkiAOLXTmv+qnF9Ky7xAPcX8Up/xWIhxvLVGJvuLiNc4xQLtuqDRzb4fSA==
+
 react-lifecycles-compat@^3.0.0:
   version "3.0.4"
   resolved "https://registry.yarnpkg.com/react-lifecycles-compat/-/react-lifecycles-compat-3.0.4.tgz#4f1a273afdfc8f3488a8c516bfda78f872352362"