diff --git a/packages/playwright-core/src/server/registry/dependencies.ts b/packages/playwright-core/src/server/registry/dependencies.ts
index 9fabe13e8d..29822afba1 100644
--- a/packages/playwright-core/src/server/registry/dependencies.ts
+++ b/packages/playwright-core/src/server/registry/dependencies.ts
@@ -20,7 +20,7 @@ import * as os from 'os';
 import childProcess from 'child_process';
 import * as utils from '../../utils';
 import { spawnAsync } from '../../utils/spawnAsync';
-import { hostPlatform } from '../../utils/hostPlatform';
+import { hostPlatform, isOfficiallySupportedPlatform } from '../../utils/hostPlatform';
 import { buildPlaywrightCLICommand } from '.';
 import { deps } from './nativeDeps';
 import { getPlaywrightVersion } from '../../utils/userAgent';
@@ -85,15 +85,13 @@ export async function installDependenciesWindows(targets: Set<DependencyGroup>,
 
 export async function installDependenciesLinux(targets: Set<DependencyGroup>, dryRun: boolean) {
   const libraries: string[] = [];
-  let platform = hostPlatform;
-  if (platform === 'generic-linux' || platform === 'generic-linux-arm64') {
-    console.warn('BEWARE: your OS is not officially supported by Playwright; installing dependencies for Ubuntu as a fallback.'); // eslint-disable-line no-console
-    platform = hostPlatform === 'generic-linux' ? 'ubuntu20.04' : 'ubuntu20.04-arm64';
-  }
+  const platform = hostPlatform;
+  if (!isOfficiallySupportedPlatform)
+    console.warn(`BEWARE: your OS is not officially supported by Playwright; installing dependencies for ${platform} as a fallback.`); // eslint-disable-line no-console
   for (const target of targets) {
     const info = deps[platform];
     if (!info) {
-      console.warn('Cannot install dependencies for this linux distribution!');  // eslint-disable-line no-console
+      console.warn(`Cannot install dependencies for ${platform}!`);  // eslint-disable-line no-console
       return;
     }
     libraries.push(...info[target]);
diff --git a/packages/playwright-core/src/server/registry/index.ts b/packages/playwright-core/src/server/registry/index.ts
index 1bfb02d7f4..023f86de05 100644
--- a/packages/playwright-core/src/server/registry/index.ts
+++ b/packages/playwright-core/src/server/registry/index.ts
@@ -25,7 +25,7 @@ import { fetchData } from '../../utils/network';
 import { getEmbedderName } from '../../utils/userAgent';
 import { getFromENV, getAsBooleanFromENV, calculateSha1, wrapInASCIIBox, getPackageManagerExecCommand } from '../../utils';
 import { removeFolders, existsAsync, canAccessFile } from '../../utils/fileUtils';
-import { hostPlatform } from '../../utils/hostPlatform';
+import { type HostPlatform, hostPlatform, isOfficiallySupportedPlatform } from '../../utils/hostPlatform';
 import { spawnAsync } from '../../utils/spawnAsync';
 import type { DependencyGroup } from './dependencies';
 import { transformCommandsForRoot, dockerVersion, readDockerVersionSync } from './dependencies';
@@ -73,11 +73,10 @@ const EXECUTABLE_PATHS = {
   },
 };
 
-const DOWNLOAD_PATHS = {
+type DownloadPaths = Record<HostPlatform, string | undefined>;
+const DOWNLOAD_PATHS: Record<BrowserName | InternalTool, DownloadPaths> = {
   'chromium': {
     '<unknown>': undefined,
-    'generic-linux': 'builds/chromium/%s/chromium-linux.zip',
-    'generic-linux-arm64': 'builds/chromium/%s/chromium-linux-arm64.zip',
     'ubuntu18.04': 'builds/chromium/%s/chromium-linux.zip',
     'ubuntu20.04': 'builds/chromium/%s/chromium-linux.zip',
     'ubuntu22.04': 'builds/chromium/%s/chromium-linux.zip',
@@ -101,8 +100,6 @@ const DOWNLOAD_PATHS = {
   },
   'chromium-tip-of-tree': {
     '<unknown>': undefined,
-    'generic-linux': 'builds/chromium-tip-of-tree/%s/chromium-tip-of-tree-linux.zip',
-    'generic-linux-arm64': 'builds/chromium-tip-of-tree/%s/chromium-tip-of-tree-linux-arm64.zip',
     'ubuntu18.04': 'builds/chromium-tip-of-tree/%s/chromium-tip-of-tree-linux.zip',
     'ubuntu20.04': 'builds/chromium-tip-of-tree/%s/chromium-tip-of-tree-linux.zip',
     'ubuntu22.04': 'builds/chromium-tip-of-tree/%s/chromium-tip-of-tree-linux.zip',
@@ -126,8 +123,6 @@ const DOWNLOAD_PATHS = {
   },
   'chromium-with-symbols': {
     '<unknown>': undefined,
-    'generic-linux': 'builds/chromium/%s/chromium-with-symbols-linux.zip',
-    'generic-linux-arm64': 'builds/chromium/%s/chromium-with-symbols-linux-arm64.zip',
     'ubuntu18.04': 'builds/chromium/%s/chromium-with-symbols-linux.zip',
     'ubuntu20.04': 'builds/chromium/%s/chromium-with-symbols-linux.zip',
     'ubuntu22.04': 'builds/chromium/%s/chromium-with-symbols-linux.zip',
@@ -151,8 +146,6 @@ const DOWNLOAD_PATHS = {
   },
   'firefox': {
     '<unknown>': undefined,
-    'generic-linux': 'builds/firefox/%s/firefox-ubuntu-20.04.zip',
-    'generic-linux-arm64': 'builds/firefox/%s/firefox-ubuntu-20.04-arm64.zip',
     'ubuntu18.04': 'builds/firefox/%s/firefox-ubuntu-18.04.zip',
     'ubuntu20.04': 'builds/firefox/%s/firefox-ubuntu-20.04.zip',
     'ubuntu22.04': 'builds/firefox/%s/firefox-ubuntu-22.04.zip',
@@ -176,8 +169,6 @@ const DOWNLOAD_PATHS = {
   },
   'firefox-beta': {
     '<unknown>': undefined,
-    'generic-linux': 'builds/firefox-beta/%s/firefox-beta-ubuntu-20.04.zip',
-    'generic-linux-arm64': undefined,
     'ubuntu18.04': 'builds/firefox-beta/%s/firefox-beta-ubuntu-18.04.zip',
     'ubuntu20.04': 'builds/firefox-beta/%s/firefox-beta-ubuntu-20.04.zip',
     'ubuntu22.04': 'builds/firefox-beta/%s/firefox-beta-ubuntu-22.04.zip',
@@ -201,8 +192,6 @@ const DOWNLOAD_PATHS = {
   },
   'firefox-asan': {
     '<unknown>': undefined,
-    'generic-linux': 'builds/firefox/%s/firefox-asan-ubuntu-20.04.zip',
-    'generic-linux-arm64': undefined,
     'ubuntu18.04': undefined,
     'ubuntu20.04': undefined,
     'ubuntu22.04': 'builds/firefox/%s/firefox-asan-ubuntu-22.04.zip',
@@ -211,6 +200,8 @@ const DOWNLOAD_PATHS = {
     'ubuntu22.04-arm64': undefined,
     'debian11': undefined,
     'debian11-arm64': undefined,
+    'debian12': undefined,
+    'debian12-arm64': undefined,
     'mac10.13': 'builds/firefox/%s/firefox-asan-mac-13.zip',
     'mac10.14': 'builds/firefox/%s/firefox-asan-mac-13.zip',
     'mac10.15': 'builds/firefox/%s/firefox-asan-mac-13.zip',
@@ -224,8 +215,6 @@ const DOWNLOAD_PATHS = {
   },
   'webkit': {
     '<unknown>': undefined,
-    'generic-linux': 'builds/webkit/%s/webkit-ubuntu-20.04.zip',
-    'generic-linux-arm64': 'builds/webkit/%s/webkit-ubuntu-20.04-arm64.zip',
     'ubuntu18.04': 'builds/deprecated-webkit-ubuntu-18.04/%s/deprecated-webkit-ubuntu-18.04.zip',
     'ubuntu20.04': 'builds/webkit/%s/webkit-ubuntu-20.04.zip',
     'ubuntu22.04': 'builds/webkit/%s/webkit-ubuntu-22.04.zip',
@@ -249,8 +238,6 @@ const DOWNLOAD_PATHS = {
   },
   'ffmpeg': {
     '<unknown>': undefined,
-    'generic-linux': 'builds/ffmpeg/%s/ffmpeg-linux.zip',
-    'generic-linux-arm64': 'builds/ffmpeg/%s/ffmpeg-linux-arm64.zip',
     'ubuntu18.04': 'builds/ffmpeg/%s/ffmpeg-linux.zip',
     'ubuntu20.04': 'builds/ffmpeg/%s/ffmpeg-linux.zip',
     'ubuntu22.04': 'builds/ffmpeg/%s/ffmpeg-linux.zip',
@@ -274,6 +261,26 @@ const DOWNLOAD_PATHS = {
   },
   'android': {
     '<unknown>': 'builds/android/%s/android.zip',
+    'ubuntu18.04': 'builds/android/%s/android.zip',
+    'ubuntu20.04': 'builds/android/%s/android.zip',
+    'ubuntu22.04': 'builds/android/%s/android.zip',
+    'ubuntu18.04-arm64': 'builds/android/%s/android.zip',
+    'ubuntu20.04-arm64': 'builds/android/%s/android.zip',
+    'ubuntu22.04-arm64': 'builds/android/%s/android.zip',
+    'debian11': 'builds/android/%s/android.zip',
+    'debian11-arm64': 'builds/android/%s/android.zip',
+    'debian12': 'builds/android/%s/android.zip',
+    'debian12-arm64': 'builds/android/%s/android.zip',
+    'mac10.13': 'builds/android/%s/android.zip',
+    'mac10.14': 'builds/android/%s/android.zip',
+    'mac10.15': 'builds/android/%s/android.zip',
+    'mac11': 'builds/android/%s/android.zip',
+    'mac11-arm64': 'builds/android/%s/android.zip',
+    'mac12': 'builds/android/%s/android.zip',
+    'mac12-arm64': 'builds/android/%s/android.zip',
+    'mac13': 'builds/android/%s/android.zip',
+    'mac13-arm64': 'builds/android/%s/android.zip',
+    'win64': 'builds/android/%s/android.zip',
   },
 };
 
@@ -878,8 +885,8 @@ export class Registry {
     const downloadURLs = this._downloadURLs(descriptor);
     if (!downloadURLs.length)
       throw new Error(`ERROR: Playwright does not support ${descriptor.name} on ${hostPlatform}`);
-    if (hostPlatform === 'generic-linux' || hostPlatform === 'generic-linux-arm64')
-      logPolitely('BEWARE: your OS is not officially supported by Playwright; downloading fallback build.');
+    if (!isOfficiallySupportedPlatform)
+      logPolitely(`BEWARE: your OS is not officially supported by Playwright; downloading fallback build for ${hostPlatform}.`);
 
     const displayName = descriptor.name.split('-').map(word => {
       return word === 'ffmpeg' ? 'FFMPEG' : word.charAt(0).toUpperCase() + word.slice(1);
diff --git a/packages/playwright-core/src/utils/hostPlatform.ts b/packages/playwright-core/src/utils/hostPlatform.ts
index f084f922d1..1e16de9391 100644
--- a/packages/playwright-core/src/utils/hostPlatform.ts
+++ b/packages/playwright-core/src/utils/hostPlatform.ts
@@ -23,15 +23,15 @@ export type HostPlatform = 'win64' |
                            'mac10.15' |
                            'mac11' | 'mac11-arm64' |
                            'mac12' | 'mac12-arm64' |
+                           'mac13' | 'mac13-arm64' |
                            'ubuntu18.04' | 'ubuntu18.04-arm64' |
                            'ubuntu20.04' | 'ubuntu20.04-arm64' |
                            'ubuntu22.04' | 'ubuntu22.04-arm64' |
                            'debian11' | 'debian11-arm64' |
                            'debian12' | 'debian12-arm64' |
-                           'generic-linux' | 'generic-linux-arm64' |
                            '<unknown>';
 
-export const hostPlatform = ((): HostPlatform => {
+function calculatePlatform(): { hostPlatform: HostPlatform, isOfficiallySupportedPlatform: boolean } {
   const platform = os.platform();
   if (platform === 'darwin') {
     const ver = os.release().split('.').map((a: string) => parseInt(a, 10));
@@ -52,7 +52,7 @@ export const hostPlatform = ((): HostPlatform => {
       if (os.cpus().some(cpu => cpu.model.includes('Apple')))
         macVersion += '-arm64';
     }
-    return macVersion as HostPlatform;
+    return { hostPlatform: macVersion as HostPlatform, isOfficiallySupportedPlatform: true };
   }
   if (platform === 'linux') {
     const archSuffix = os.arch() === 'arm64' ? '-arm64' : '';
@@ -62,23 +62,26 @@ export const hostPlatform = ((): HostPlatform => {
     // KDE Neon is ubuntu-based and has the same versions.
     // TUXEDO OS is ubuntu-based and has the same versions.
     if (distroInfo?.id === 'ubuntu' || distroInfo?.id === 'pop' || distroInfo?.id === 'neon' || distroInfo?.id === 'tuxedo') {
+      const isOfficiallySupportedPlatform = distroInfo?.id === 'ubuntu';
       if (parseInt(distroInfo.version, 10) <= 19)
-        return ('ubuntu18.04' + archSuffix) as HostPlatform;
+        return { hostPlatform: ('ubuntu18.04' + archSuffix) as HostPlatform, isOfficiallySupportedPlatform };
       if (parseInt(distroInfo.version, 10) <= 21)
-        return ('ubuntu20.04' + archSuffix) as HostPlatform;
-      return ('ubuntu22.04' + archSuffix) as HostPlatform;
+        return { hostPlatform: ('ubuntu20.04' + archSuffix) as HostPlatform, isOfficiallySupportedPlatform };
+      return { hostPlatform: ('ubuntu22.04' + archSuffix) as HostPlatform, isOfficiallySupportedPlatform };
     }
     if (distroInfo?.id === 'debian' && distroInfo?.version === '11')
-      return ('debian11' + archSuffix) as HostPlatform;
+      return { hostPlatform: ('debian11' + archSuffix) as HostPlatform, isOfficiallySupportedPlatform: true };
     if (distroInfo?.id === 'debian' && distroInfo?.version === '12')
-      return ('debian12' + archSuffix) as HostPlatform;
+      return { hostPlatform: ('debian12' + archSuffix) as HostPlatform, isOfficiallySupportedPlatform: true };
     // use most recent supported release for 'debian testing' and 'unstable'.
     // they never include a numeric version entry in /etc/os-release.
     if (distroInfo?.id === 'debian' && distroInfo?.version === '')
-      return ('debian12' + archSuffix) as HostPlatform;
-    return ('generic-linux' + archSuffix) as HostPlatform;
+      return { hostPlatform: ('debian12' + archSuffix) as HostPlatform, isOfficiallySupportedPlatform: true };
+    return { hostPlatform: ('ubuntu20.04' + archSuffix) as HostPlatform, isOfficiallySupportedPlatform: false };
   }
   if (platform === 'win32')
-    return 'win64';
-  return '<unknown>';
-})();
+    return { hostPlatform: 'win64', isOfficiallySupportedPlatform: true };
+  return { hostPlatform: '<unknown>', isOfficiallySupportedPlatform: false };
+}
+
+export const { hostPlatform, isOfficiallySupportedPlatform } = calculatePlatform();