v15.22.0

• Added apphosting:secrets:revokeaccess command. (#10669)
• Updated Pub/Sub emulator to version 0.8.33.
• Updated Data Connect emulator to version 3.4.12.
• Fix Data Connect non-deterministic output order of generated SDK files when compiled from multiple GQL source files.
• Optimize Data Connect singular relation filters on PKs to avoid EXISTS subqueries.

v15.21.0

• Fixed an issue where login:*, target:*, and ext:* subcommands were missing from firebase --help.
• Functions can declare additional API dependencies (#10621)
• Added mock Passkey (WebAuthn) support to the Auth emulator. (#10636)
• Fixes spawn activate.bat ENOENT error on Windows when initializing Python functions. (#10608)
• Fixed an issue where Cloud Run rewrites in the Hosting emulator would always hit the live Cloud Run API instead of routing to the local functions emulator. (#10588)
• Removed temporary warning directing Dart functions users to Cloud Console, as Firebase Console now supports Dart functions. (#10584)
• Updated the Firebase Data Connect local toolkit to v3.4.11, which includes the following changes:
  • [changed] Updated the Golang dependency version to 1.25.11.
• Fixed issue where apptesting:execute command rejects documented --test-username, --test-password, and --test-password-file options.
• Updated Web Frameworks to warn about missing SSRF protection config in Angular 22 deploys (#10523)
• Fixed an issue where Astro 6 SSR deploys returned HTTP 500 by preserving the server/ directory in the generated Cloud Function. (#10537)

v15.20.0

• Removed the prompt and backend deletion of Data Connect services during firebase deploy. (#10619)
• Fixes firebase init dataconnect failing with ENOEXEC when creating a new template app on some operating systems. (#10616)
• Support setting the Google Cloud Storage (GCS) test results bucket in apptesting:execute and appdistribution:distribute

v15.19.1

• Updated Firebase SQL Connect genAI features to use new Agent Service API
• Updated the Firebase Data Connect local toolkit to v3.4.10, which includes the following changes:
  • Extended client cache consistency validation to include conflicts with schema field names.

v15.19.0

• Updated Pub/Sub emulator to version 0.8.32
• Added support for 6 more iD providers in auth:import and auth:export commands
• Fixed issue where auth:export didn't escape double quotes for CSV format. (#3484)
• Fixes CloudSQLConnectorError: The connector was closed unhandled exception during Data Connect deployments. (#10555)
• Updated the Firebase Data Connect local toolkit to v3.4.9, which includes the following changes: (#10567)
  • Added support for nested mutations for literals and also variables that define an incomplete set of fields.
  • Fixed an issue in the JS Generated SDK where QueryFetchPolicy wasn't being respected.

v15.18.0

• Updated Pub/Sub emulator to version 0.8.31
• Resolves undefined regions earlier, during the build to backend resolution phase (#10471)
• Updated the Firebase Data Connect local toolkit to v3.4.8, which includes the following changes:
  • Fixed an issue in Dart code generation where nullable BigInt was not handled correctly.
  • Added support for nested 1:Many relational batch inserts.
  • Updated the Golang dependency version to 1.25.10.
• Default timeout for Dart functions is now 60 seconds when not explicitly set (#10501)
• Support secret environment variables for Cloud Run functions (#10489)
• Set requiredProjectBindings in AI Logic services (#10503)

v15.17.0

• Added support for creating search indexes for Firestore. (#10431)
• Fixed an issue where some MCP tools would error with "Invalid input: expected record, received array". (#10437)
• Fixed an issue causing errors when multiple Firestore databases were configured in firebase.json (#8114)
• Updated the Firebase Data Connect local toolkit to v3.4.7, which includes the following changes: (#10461)
  • Fix emulator crash when using uuidv4() on operations.
  • Support for _Data input types as variables with @allow(fields, maxCount) to constraint the input JSON, enabling batch mutations in admin SDK. Client SDK support will come soon.
• Increase supported range for Next.js to version 16.0 (#9463)
• Updated Cloud Function default resource locations. This does not affect existing functions. (#10414)
• Added warning for cross-region event triggers (#10408)

v15.16.0

• Updated Firestore Emulator to v1.21.0, which adds support for subqueries and new stages like let(...), as well as allowing setting database-edition per-database.
• Suppressed the 'punycode' deprecation warning during firebase deploy on Node 22. (#10385)
• Fixed an issue where hosting deploy allowed publishing to a site in a different project. (#10376)
• Added SSE mode support to firebase mcp. To use it, run firebase mcp --mode=sse --port=3000, and connect your client on http://localhost:3000.
• Update the valid Python runtimes for functions. Default Python runtime is now Python 3.14.
• Fix CLI non-interactive mode for dataconnect init (#10401)
• Fixed issue where rules for non-default Firestore databases were not being deployed correctly.
• Suppress SSR warning for non-SSR Angular projects on init hosting (#10364)
• Updated the SQL Connect emulator to v3.4.6, including internal bug fixes (#10434)
• Fix an issue where deploying multi-codebase functions failed due to a shared source token scraper (#10428)

v15.15.0

• Add foundation for being smarter about where to place functions when the region is not specified (#10293)
• Updated Pub/Sub emulator to version 0.8.30
• Renamed Data Connect displayed text to SQL Connect (#10270)
• Added support for the experimental Cloud Functions for Firebase Dart SDK behind the dartfunctions flag
• Updated the SQL Connect emulator to v3.4.5, including internal bug fixes (#10336)

v15.14.0

• Added Enterprise Edition support to the Firestore emulator. Configure it by setting firebase.json#firestore.edition or firebase.json#emulators.firestore.edition.
• Fixed an issue where functions deployments would silently fail (#6989)
• Fixed issue where the CLI isn't able to correctly parse command arguments on PowerShell (#7506)
• Add support for Next.js 16 middleware (proxy.ts/proxy.js) (#9631)
• Updates the default region for new App Hosting backends to us-east4 (#10271)
• Fix Next.js image optimization detection in client components (#10228)
• Updates Firebase Data Connect emulator to v3.4.1 (#10290)
  • Upgraded Go runtime to 1.25.9.
  • Bug fix: Fixed an issue that caused Angular SDK generation to fail.