firebase/firebase-js-sdk

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Firebase Javascript SDK

Stars: 5.1k
Forks: 1k
Open beginner issues: 1
Indexed issues: 452
Avg merge: 2d 21h
Merged PRs (30d): 37

Dominant language: TypeScript
License: No license data
Last GitHub push: Sep 14, 2026
Latest indexed: Sep 16, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: help wanted

Beginner friendly Everything

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452 open issues indexed

appCheck/recaptcha-error always thrown with ReCaptchaEnterpriseProvider on a correctly-configured Score-type key; consistent 400 on /recaptcha/enterprise/clr Open

api: appcheck needs-attention question

Difficulty 4/5 3-5 days Newbie friendliness 45/100

firebase/firebase-js-sdk#10385 · 2 comments · 1 reaction · Opened Sep 14, 2026
[auth] _openIframe returns a promise gapi's Context.open() never adopts, so the 5 s ping timeout rejects an unowned promise (unhandled auth/network-request-failed on Safari) Open

api: auth needs-attention stack:React

Difficulty 4/5 3-5 days Newbie friendliness 68/100

firebase/firebase-js-sdk#10383 · Opened Sep 14, 2026
[auth] IndexedDB persistence produces unhandled promise rejections when the browser deletes the database (floating promises in `startPolling` / `_addListener`) Open

api: auth needs-attention stack:React

Difficulty 3/5 1-2 days Newbie friendliness 72/100

firebase/firebase-js-sdk#10382 · Opened Sep 14, 2026
Auth: signInWithCustomToken throws "Database is closing/hidden" during rapid UI changes (Not fixed by 12.18.0) Open

api: auth question Repro Needed stack:Angular testing-sdk

Difficulty 4/5 3-5 days Newbie friendliness 48/100

firebase/firebase-js-sdk#10333 · 3 comments · 2 reactions · Opened Aug 27, 2026
DataConnect: subscribe() silently drops the second observer when two QueryRefs pass equal variables in a different property order Open

api: dataconnect needs-attention Repro Needed stack:NextJS

firebase/firebase-js-sdk#10332 · 1 comment · 1 assignee · Opened Aug 26, 2026
Firestore: assertion ca9 (pendingResponses < 0) still reachable in 12.17.0 after #9842, and the watch stream keeps pumping into the failed AsyncQueue (b815 flood → tab crash) Open

api: firestore needs-attention question Repro Needed

firebase/firebase-js-sdk#10310 · 1 assignee · Opened Aug 17, 2026
Firestore client reports "client is offline" for one browser profile, persistently across reload and across client recreation, while plain HTTP to the same emulator endpoint succeeds in 5ms Open

api: firestore needs-attention question

firebase/firebase-js-sdk#10307 · 4 comments · 1 assignee · Opened Aug 14, 2026
Firestore: UpdateData<T> does not properly type nested dynamic keys Open

api: firestore needs-attention question Repro Needed stack:NextJS

firebase/firebase-js-sdk#10283 · 1 assignee · Opened Aug 11, 2026
FirebaseServerApp: transiently failed authIdToken sign-in is cached and served to all requests until token rotation, with no recovery API Open

api: auth feature request stack:NextJS

Difficulty 5/5 Over a week Newbie friendliness 35/100

firebase/firebase-js-sdk#10213 · 1 comment · Opened Jul 25, 2026
Messaging: getToken() fails with the error "Service worker not registered after 10000 ms", and waitForRegistrationActive does not account for cases where the observed worker becomes redundant. Open

api: messaging needs-attention question Repro Needed

Difficulty 4/5 3-5 days Newbie friendliness 48/100

firebase/firebase-js-sdk#10197 · Opened Jul 22, 2026
Remote Config A/B Test Doesn't Receive Data for NextJS Web Open

api: remoteconfig bug internal-bug-filed needs-attention reproducible stack:NextJS

Difficulty 4/5 3-5 days Newbie friendliness 42/100

firebase/firebase-js-sdk#10189 · 5 comments · 1 reaction · Opened Jul 21, 2026
Auth: unhandled InvalidStateError 'transaction on IDBDatabase: connection is closing' from background persistence poller (Flutter Web, split from #2710) Open

api: auth needs-attention stack:FlutterWeb

Difficulty 4/5 3-5 days Newbie friendliness 48/100

firebase/firebase-js-sdk#10149 · Opened Jul 10, 2026
Calling a firebase function after registering web client for push via fid unregisters fid as push target Open

api: functions api: messaging needs-attention question Repro Needed

Difficulty 3/5 1-2 days Newbie friendliness 72/100

firebase/firebase-js-sdk#10135 · 6 comments · 2 reactions · Opened Jul 7, 2026
FR: Firebase Auth provider-level OIDC claims request support Open

api: auth type: feature request

Difficulty 5/5 Over a week Newbie friendliness 38/100

firebase/firebase-js-sdk#10131 · 1 comment · 1 reaction · Opened Jul 5, 2026
fetch wrapper adds custom headers causing CORS preflight failure on securetoken.googleapis.com Open

api: auth needs-attention type: feature request

Difficulty 5/5 Over a week Newbie friendliness 42/100

firebase/firebase-js-sdk#10086 · 1 comment · Opened Jun 16, 2026
[Feature Request] Expose Firestore Query Insights via REST API / Admin SDK Open

api: firestore feature request

firebase/firebase-js-sdk#10061 · 2 comments · 1 assignee · Opened Jun 12, 2026
Firebase Storage: An unknown error occurred, please check the error payload for server response. (storage/unknown) Open

api: storage needs-attention question Repro Needed stack:Angular

Difficulty 4/5 3-5 days Newbie friendliness 45/100

firebase/firebase-js-sdk#10050 · 7 comments · Opened Jun 11, 2026
AI (Live API): liveModel().connect() WebSocket does not send the App Check token Open

api: firebaseai bug needs-attention

Difficulty 4/5 3-5 days Newbie friendliness 50/100

firebase/firebase-js-sdk#10018 · 2 comments · 1 reaction · Opened May 29, 2026
@firebase/firestore: ca9/b815 assertion after first cold getDoc() with memoryLocalCache Open

api: firestore needs-attention stack:React

Difficulty 4/5 3-5 days Newbie friendliness 48/100

firebase/firebase-js-sdk#10008 · 5 comments · Opened May 27, 2026
Firebase services silently hang in Safari with multiple tabs open (no errors thrown) Open

api: core needs-attention question

Difficulty 4/5 3-5 days Newbie friendliness 42/100

firebase/firebase-js-sdk#9802 · 4 comments · 2 reactions · Opened Apr 2, 2026
Degraded performance firestore ONLY in safari 26.4 Open

api: firestore browser-compatibility-issue bug

firebase/firebase-js-sdk#9789 · 20 comments · 16 reactions · 2 assignees · Opened Mar 30, 2026
hardAssert throws on transient state, permanently poisons Firestore SDK instance (React 19 StrictMode) Open

api: firestore needs-attention question stack:React

firebase/firebase-js-sdk#9729 · 2 comments · 1 reaction · 1 assignee · Opened Mar 17, 2026
Data Connect React wrapper does not forward `fetchPolicy` to `executeQuery`, causing stale cache behavior with TanStack Query Open

api: dataconnect needs-attention question stack:ReactNative

firebase/firebase-js-sdk#9697 · 2 comments · 2 reactions · 1 assignee · Opened Mar 8, 2026
Confusion around generated docs file ai.aimodel.md and where edits should be made Open

documentation

Difficulty 3/5 1-2 days Newbie friendliness 58/100

firebase/firebase-js-sdk#9590 · 2 comments · Opened Feb 24, 2026
INTERNAL ASSERTION FAILED: Unexpected state (ID: b815) CONTEXT: {"Pc":"Error: FIRESTORE (12.9.0) INTERNAL ASSERTION FAILED: Unexpected state (ID: 3c6b) CONTEXT: {\"code\":\"auth/network-request-failed\"}\ Open

api: firestore needs-attention question stack:Angular

firebase/firebase-js-sdk#9499 · 2 comments · 3 reactions · 1 assignee · Opened Feb 17, 2026
1 errors occurred during unsubscription:1) Error: FIRESTORE (12.9.0) INTERNAL ASSERTION FAILED: Unexpected state (ID: b815) Open

api: firestore needs-attention question stack:Angular

firebase/firebase-js-sdk#9491 · 2 comments · 1 assignee · Opened Feb 11, 2026
Unexpected sign out when using local storage persistence and fallbackToPolling = true Open

api: auth needs-attention question Repro Needed stack:React

Difficulty 5/5 Over a week Newbie friendliness 25/100

firebase/firebase-js-sdk#9471 · 3 comments · Opened Jan 28, 2026
linkWithPopup throws auth/multi-factor-auth-required after successful link, getMultiFactorResolver fails with auth/argument-error Open

api: auth bug needs-attention reproducible

Difficulty 4/5 3-5 days Newbie friendliness 38/100

firebase/firebase-js-sdk#9467 · 1 comment · Opened Jan 22, 2026
fix(firestore): Error messages reference 'FirebaseFirestore' instead of 'Firestore' Open

api: firestore needs-attention question

firebase/firebase-js-sdk#9434 · 1 comment · 1 assignee · Opened Dec 20, 2025
`onConfigUpdated` emits error when the page becomes hidden Open

api: remoteconfig bug stack:FlutterWeb

firebase/firebase-js-sdk#9426 · 6 comments · 6 reactions · 1 assignee · Opened Dec 14, 2025
is:issue subcollection name's don't support colons ":" Open

api: firestore needs-attention question

firebase/firebase-js-sdk#9419 · 1 comment · 1 assignee · Opened Dec 11, 2025
FR: Add topic subscription from PWA Javascript app Open

api: messaging type: feature request

Difficulty 5/5 Over a week Newbie friendliness 25/100

firebase/firebase-js-sdk#9395 · 1 comment · Opened Nov 21, 2025
FR: array-not-contains support in firestore Open

api: firestore type: feature request

firebase/firebase-js-sdk#9389 · 1 comment · 1 assignee · Opened Nov 18, 2025
FR: Support serviceWorkerRegistration option for deleteToken Open

api: messaging type: feature request

Difficulty 4/5 3-5 days Newbie friendliness 35/100

firebase/firebase-js-sdk#9384 · 1 comment · Opened Nov 17, 2025
AbortError: Registration failed - push service error on Opera Open

api: messaging needs-attention question

Difficulty 4/5 3-5 days Newbie friendliness 52/100

firebase/firebase-js-sdk#9380 · 11 comments · 5 reactions · Opened Nov 13, 2025
firebase/database `serverTimestamp()` returns future time Open

api: database needs-attention question stack:Vue

Difficulty 4/5 3-5 days Newbie friendliness 35/100

firebase/firebase-js-sdk#9370 · 3 comments · Opened Nov 10, 2025
AI: Failed to parse stream (AI/parse-failed) Open

api: firebaseai bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

firebase/firebase-js-sdk#9362 · 1 comment · Opened Nov 2, 2025
Incorrect nanosecond values in Firestore date comparison queries Open

api: firestore needs-attention question stack:Express stack:React

firebase/firebase-js-sdk#9339 · 4 comments · 1 assignee · Opened Oct 21, 2025
data-connect SDK API reference is missing Open

api: dataconnect documentation

firebase/firebase-js-sdk#9332 · 2 comments · 1 assignee · Opened Oct 18, 2025
Some (sub) package.json do not list the licences which lead to tools like syft report unknown licence Open

question

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

firebase/firebase-js-sdk#9326 · 5 comments · Opened Oct 16, 2025
auth.setPersistence(browserLocalPersistence) is not idempotent: wipes previous browser local storage Open

api: auth needs-attention question stack:NextJS

Difficulty 4/5 3-5 days Newbie friendliness 42/100

firebase/firebase-js-sdk#9319 · 3 comments · Opened Oct 14, 2025
FR: Add possibility to configure RECONNECT_MAX_DELAY_DEFAULT Open

api: database type: feature request

Difficulty 4/5 3-5 days Newbie friendliness 45/100

firebase/firebase-js-sdk#9318 · Opened Oct 14, 2025
Feature Request: crypto.randomUUID is not a function. Appcheck usage in safari local dev Open

api: appcheck feature request question stack:Angular

Difficulty 4/5 3-5 days Newbie friendliness 35/100

firebase/firebase-js-sdk#9268 · 3 comments · Opened Sep 22, 2025
`snapshot.forEach()` fails on snapshots from `child_added` events when using `orderByChild()` queries Open

api: database needs-attention question

Difficulty 3/5 1-2 days Newbie friendliness 62/100

firebase/firebase-js-sdk#9266 · 4 comments · Opened Sep 22, 2025
Custom Claims Disappear from ID Token After updateEmail / updateProfile Calls, Requiring Full Re-authentication Open

api: auth needs-attention question Repro Needed

Difficulty 4/5 3-5 days Newbie friendliness 35/100

firebase/firebase-js-sdk#9260 · 1 comment · Opened Sep 18, 2025
Firebase Auth signs out user when receives error 429 - too many requests Open

api: auth needs-attention question Repro Needed

Difficulty 4/5 3-5 days Newbie friendliness 35/100

firebase/firebase-js-sdk#9259 · 1 comment · Opened Sep 18, 2025
Facebook sign-ins fail with "Unable to process request due to missing initial state" on Android Chrome Open

api: auth needs-attention question Repro Needed

Difficulty 4/5 3-5 days Newbie friendliness 30/100

firebase/firebase-js-sdk#9256 · 4 comments · 6 reactions · Opened Sep 16, 2025
AppHosting Firebase: Need to provide options, when not being deployed to hosting via source. (app/no-options) Open

needs-attention question testing-sdk

Difficulty 3/5 1-2 days Newbie friendliness 35/100

firebase/firebase-js-sdk#9244 · 5 comments · 1 reaction · Opened Sep 9, 2025
signInWithCustomToken failed to fetch error Open

api: auth needs-attention question

Difficulty 4/5 3-5 days Newbie friendliness 30/100

firebase/firebase-js-sdk#9220 · 1 comment · 1 reaction · Opened Aug 21, 2025
[Bug]: Null check error on flutter web when notification permissions are reset Open

api: messaging bug reproducible

Difficulty 3/5 1-2 days Newbie friendliness 52/100

firebase/firebase-js-sdk#9213 · 5 comments · Opened Aug 19, 2025

firebase/firebase-js-sdk

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