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FIRESTORE (12.13.0) INTERNAL ASSERTION FAILED: Unexpected state (ID: b815)

api: firestore

needs-info

question

Repro Needed

Status: Open.

#9968 In firebase/firebase-js-sdk;

· nbransby opened on May 15, 2026

functions/internal

api: functions

needs-attention

question

stack:AngularReported issue example uses AngularReported issue example uses Angular

Status: Open.

#9807 In firebase/firebase-js-sdk;

· LanderBeeuwsaert opened on Apr 3, 2026

Firebase services silently hang in Safari with multiple tabs open (no errors thrown)

api: core

needs-attention

question

Status: Open.

#9802 In firebase/firebase-js-sdk;

· davidko5 opened on Apr 2, 2026

Degraded performance firestore ONLY in safari 26.4

api: firestore

needs-attention

question

stack:AngularReported issue example uses AngularReported issue example uses Angular

Status: Open.

#9789 In firebase/firebase-js-sdk;

· cm-cm-cm-cm opened on Mar 30, 2026

hardAssert throws on transient state, permanently poisons Firestore SDK instance (React 19 StrictMode)

api: firestore

needs-attention

question

stack:ReactReported issue example uses ReactReported issue example uses React

Status: Open.

#9729 In firebase/firebase-js-sdk;

· ShaneBreazeale opened on Mar 17, 2026

Firebase Data Connect: Mutations do not invalidate related query caches

api: dataconnect

needs-attention

question

stack:AngularReported issue example uses AngularReported issue example uses Angular

Status: Open.

#9698 In firebase/firebase-js-sdk;

· hatoya opened on Mar 9, 2026

Data Connect React wrapper does not forward fetchPolicy to executeQuery, causing stale cache behavior with TanStack Query

api: dataconnect

needs-attention

question

stack:ReactNativeReported issue example uses ReactNativeReported issue example uses ReactNative

Status: Open.

#9697 In firebase/firebase-js-sdk;

· KennyYe opened on Mar 8, 2026

Confusion around generated docs file ai.aimodel.md and where edits should be made

documentation

Status: Open.

#9590 In firebase/firebase-js-sdk;

· anushkasingh-commits opened on 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\"}\

api: firestore

needs-attention

question

stack:AngularReported issue example uses AngularReported issue example uses Angular

Status: Open.

#9499 In firebase/firebase-js-sdk;

· LanderBeeuwsaert opened on Feb 17, 2026

1 errors occurred during unsubscription:1) Error: FIRESTORE (12.9.0) INTERNAL ASSERTION FAILED: Unexpected state (ID: b815)

api: firestore

needs-attention

question

stack:AngularReported issue example uses AngularReported issue example uses Angular

Status: Open.

#9491 In firebase/firebase-js-sdk;

· LanderBeeuwsaert opened on Feb 11, 2026

Unexpected sign out when using local storage persistence and fallbackToPolling = true

api: auth

needs-attention

question

Repro Needed

stack:ReactReported issue example uses ReactReported issue example uses React

Status: Open.

#9471 In firebase/firebase-js-sdk;

· bradenhs opened on Jan 28, 2026

linkWithPopup throws auth/multi-factor-auth-required after successful link, getMultiFactorResolver fails with auth/argument-error

api: auth

bug

needs-attention

reproducibleThe issue can be reproducedThe issue can be reproduced

Status: Open.

#9467 In firebase/firebase-js-sdk;

· wadim-pi opened on Jan 22, 2026