diff --git a/packages/playwright-core/src/utils/registry.ts b/packages/playwright-core/src/utils/registry.ts
index ff040728b4..928286db45 100644
--- a/packages/playwright-core/src/utils/registry.ts
+++ b/packages/playwright-core/src/utils/registry.ts
@@ -30,52 +30,24 @@ const BIN_PATH = path.join(__dirname, '..', '..', 'bin');
 
 const EXECUTABLE_PATHS = {
   'chromium': {
-    'ubuntu18.04': ['chrome-linux', 'chrome'],
-    'ubuntu20.04': ['chrome-linux', 'chrome'],
-    'ubuntu18.04-arm64': ['chrome-linux', 'chrome'],
-    'ubuntu20.04-arm64': ['chrome-linux', 'chrome'],
-    'mac10.13': ['chrome-mac', 'Chromium.app', 'Contents', 'MacOS', 'Chromium'],
-    'mac10.14': ['chrome-mac', 'Chromium.app', 'Contents', 'MacOS', 'Chromium'],
-    'mac10.15': ['chrome-mac', 'Chromium.app', 'Contents', 'MacOS', 'Chromium'],
-    'mac11': ['chrome-mac', 'Chromium.app', 'Contents', 'MacOS', 'Chromium'],
-    'mac11-arm64': ['chrome-mac', 'Chromium.app', 'Contents', 'MacOS', 'Chromium'],
-    'win64': ['chrome-win', 'chrome.exe'],
+    'linux': ['chrome-linux', 'chrome'],
+    'mac': ['chrome-mac', 'Chromium.app', 'Contents', 'MacOS', 'Chromium'],
+    'win': ['chrome-win', 'chrome.exe'],
   },
   'firefox': {
-    'ubuntu18.04': ['firefox', 'firefox'],
-    'ubuntu20.04': ['firefox', 'firefox'],
-    'ubuntu18.04-arm64': undefined,
-    'ubuntu20.04-arm64': ['firefox', 'firefox'],
-    'mac10.13': ['firefox', 'Nightly.app', 'Contents', 'MacOS', 'firefox'],
-    'mac10.14': ['firefox', 'Nightly.app', 'Contents', 'MacOS', 'firefox'],
-    'mac10.15': ['firefox', 'Nightly.app', 'Contents', 'MacOS', 'firefox'],
-    'mac11': ['firefox', 'Nightly.app', 'Contents', 'MacOS', 'firefox'],
-    'mac11-arm64': ['firefox', 'Nightly.app', 'Contents', 'MacOS', 'firefox'],
-    'win64': ['firefox', 'firefox.exe'],
+    'linux': ['firefox', 'firefox'],
+    'mac': ['firefox', 'Nightly.app', 'Contents', 'MacOS', 'firefox'],
+    'win': ['firefox', 'firefox.exe'],
   },
   'webkit': {
-    'ubuntu18.04': ['pw_run.sh'],
-    'ubuntu20.04': ['pw_run.sh'],
-    'ubuntu18.04-arm64': undefined,
-    'ubuntu20.04-arm64': ['pw_run.sh'],
-    'mac10.13': undefined,
-    'mac10.14': ['pw_run.sh'],
-    'mac10.15': ['pw_run.sh'],
-    'mac11': ['pw_run.sh'],
-    'mac11-arm64': ['pw_run.sh'],
-    'win64': ['Playwright.exe'],
+    'linux': ['pw_run.sh'],
+    'mac': ['pw_run.sh'],
+    'win': ['Playwright.exe'],
   },
   'ffmpeg': {
-    'ubuntu18.04': ['ffmpeg-linux'],
-    'ubuntu20.04': ['ffmpeg-linux'],
-    'ubuntu18.04-arm64': ['ffmpeg-linux'],
-    'ubuntu20.04-arm64': ['ffmpeg-linux'],
-    'mac10.13': ['ffmpeg-mac'],
-    'mac10.14': ['ffmpeg-mac'],
-    'mac10.15': ['ffmpeg-mac'],
-    'mac11': ['ffmpeg-mac'],
-    'mac11-arm64': ['ffmpeg-mac'],
-    'win64': ['ffmpeg-win64.exe'],
+    'linux': ['ffmpeg-linux'],
+    'mac': ['ffmpeg-mac'],
+    'win': ['ffmpeg-win64.exe'],
   },
 };
 
@@ -90,6 +62,8 @@ const DOWNLOAD_PATHS = {
     'mac10.15': 'builds/chromium/%s/chromium-mac.zip',
     'mac11': 'builds/chromium/%s/chromium-mac.zip',
     'mac11-arm64': 'builds/chromium/%s/chromium-mac-arm64.zip',
+    'mac12': 'builds/chromium/%s/chromium-mac.zip',
+    'mac12-arm64': 'builds/chromium/%s/chromium-mac-arm64.zip',
     'win64': 'builds/chromium/%s/chromium-win64.zip',
   },
   'chromium-with-symbols': {
@@ -102,6 +76,8 @@ const DOWNLOAD_PATHS = {
     'mac10.15': 'builds/chromium/%s/chromium-with-symbols-mac.zip',
     'mac11': 'builds/chromium/%s/chromium-with-symbols-mac.zip',
     'mac11-arm64': 'builds/chromium/%s/chromium-with-symbols-mac-arm64.zip',
+    'mac12': 'builds/chromium/%s/chromium-with-symbols-mac.zip',
+    'mac12-arm64': 'builds/chromium/%s/chromium-with-symbols-mac-arm64.zip',
     'win64': 'builds/chromium/%s/chromium-with-symbols-win64.zip',
   },
   'firefox': {
@@ -114,6 +90,8 @@ const DOWNLOAD_PATHS = {
     'mac10.15': 'builds/firefox/%s/firefox-mac-11.zip',
     'mac11': 'builds/firefox/%s/firefox-mac-11.zip',
     'mac11-arm64': 'builds/firefox/%s/firefox-mac-11-arm64.zip',
+    'mac12': 'builds/firefox/%s/firefox-mac-11.zip',
+    'mac12-arm64': 'builds/firefox/%s/firefox-mac-11-arm64.zip',
     'win64': 'builds/firefox/%s/firefox-win64.zip',
   },
   'firefox-beta': {
@@ -126,6 +104,8 @@ const DOWNLOAD_PATHS = {
     'mac10.15': 'builds/firefox-beta/%s/firefox-beta-mac-11.zip',
     'mac11': 'builds/firefox-beta/%s/firefox-beta-mac-11.zip',
     'mac11-arm64': 'builds/firefox-beta/%s/firefox-beta-mac-11-arm64.zip',
+    'mac12': 'builds/firefox-beta/%s/firefox-beta-mac-11.zip',
+    'mac12-arm64': 'builds/firefox-beta/%s/firefox-beta-mac-11-arm64.zip',
     'win64': 'builds/firefox-beta/%s/firefox-beta-win64.zip',
   },
   'webkit': {
@@ -138,6 +118,8 @@ const DOWNLOAD_PATHS = {
     'mac10.15': 'builds/webkit/%s/webkit-mac-10.15.zip',
     'mac11': 'builds/webkit/%s/webkit-mac-10.15.zip',
     'mac11-arm64': 'builds/webkit/%s/webkit-mac-11-arm64.zip',
+    'mac12': 'builds/webkit/%s/webkit-mac-12.zip',
+    'mac12-arm64': 'builds/webkit/%s/webkit-mac-12-arm64.zip',
     'win64': 'builds/webkit/%s/webkit-win64.zip',
   },
   'ffmpeg': {
@@ -150,6 +132,8 @@ const DOWNLOAD_PATHS = {
     'mac10.15': 'builds/ffmpeg/%s/ffmpeg-mac.zip',
     'mac11': 'builds/ffmpeg/%s/ffmpeg-mac.zip',
     'mac11-arm64': 'builds/ffmpeg/%s/ffmpeg-mac-arm64.zip',
+    'mac12': 'builds/ffmpeg/%s/ffmpeg-mac.zip',
+    'mac12-arm64': 'builds/ffmpeg/%s/ffmpeg-mac-arm64.zip',
     'win64': 'builds/ffmpeg/%s/ffmpeg-win64.zip',
   },
 };
@@ -260,7 +244,13 @@ export class Registry {
   constructor(browsersJSON: BrowsersJSON) {
     const descriptors = readDescriptors(browsersJSON);
     const findExecutablePath = (dir: string, name: keyof typeof EXECUTABLE_PATHS) => {
-      const tokens = EXECUTABLE_PATHS[name][hostPlatform];
+      let tokens = undefined;
+      if (hostPlatform.startsWith('ubuntu'))
+        tokens = EXECUTABLE_PATHS[name]['linux'];
+      else if (hostPlatform.startsWith('mac'))
+        tokens = EXECUTABLE_PATHS[name]['mac'];
+      else if (hostPlatform.startsWith('win'))
+        tokens = EXECUTABLE_PATHS[name]['win'];
       return tokens ? path.join(dir, ...tokens) : undefined;
     };
     const executablePathOrDie = (name: string, e: string | undefined, installByDefault: boolean, sdkLanguage: string) => {
diff --git a/packages/playwright-core/src/utils/utils.ts b/packages/playwright-core/src/utils/utils.ts
index 2fd7339ea1..7855659e69 100644
--- a/packages/playwright-core/src/utils/utils.ts
+++ b/packages/playwright-core/src/utils/utils.ts
@@ -462,7 +462,15 @@ export function constructURLBasedOnBaseURL(baseURL: string | undefined, givenURL
   }
 }
 
-export type HostPlatform = 'win64'|'mac10.13'|'mac10.14'|'mac10.15'|'mac11'|'mac11-arm64'|'ubuntu18.04'|'ubuntu20.04'|'ubuntu18.04-arm64'|'ubuntu20.04-arm64';
+export type HostPlatform = 'win64' |
+                           'mac10.13' |
+                           'mac10.14' |
+                           'mac10.15' |
+                           'mac11' | 'mac11-arm64' |
+                           'mac12' | 'mac12-arm64' |
+                           'ubuntu18.04' | 'ubuntu18.04-arm64' |
+                           'ubuntu20.04' | 'ubuntu20.04-arm64';
+
 export const hostPlatform = ((): HostPlatform => {
   const platform = os.platform();
   if (platform === 'darwin') {
@@ -477,7 +485,7 @@ export const hostPlatform = ((): HostPlatform => {
       macVersion = 'mac10.15';
     } else {
       // ver[0] >= 20
-      const LAST_STABLE_MAC_MAJOR_VERSION = 11;
+      const LAST_STABLE_MAC_MAJOR_VERSION = 12;
       // Best-effort support for MacOS beta versions.
       macVersion = 'mac' + Math.min(ver[0] - 9, LAST_STABLE_MAC_MAJOR_VERSION);
       // BigSur is the first version that might run on Apple Silicon.