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fix(expo): prevent session loss on Expo JS reload - #8437

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fix(expo): prevent session loss on Expo JS reload#8437
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souyahia:fix/expo-native-session-sync-reload

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@souyahiasouyahia commented Apr 30, 2026

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Summary

Fixes a bug where pressing R (JS reload) in Expo during development causes the user's session to be lost, forcing them to log in again. Killing and reopening the app preserves the session correctly.

Root cause

NativeSessionSync calls ClerkExpo.signOut() whenever isSignedIn is falsy, without checking whether Clerk has finished loading:

const{ isSignedIn }=useAuth();useEffect(()=>{if(!isSignedIn){// true when isSignedIn is `undefined` (loading)ClerkExpo?.signOut();// revokes the session!}},[isSignedIn, ...]);

On a JS reload (pressing R in Expo):

  1. All JS module state is reset, but native modules persist
  2. NativeSessionSync mounts, useAuth() returns isSignedIn: undefined (loading)
  3. !undefined === true, so it enters the signed-out branch
  4. ClerkExpo.signOut() is called on the native module, which is still configured from the previous session
  5. The native signOut() calls Clerk.shared.auth.signOut(sessionId:) (revoking the session server-side) and Clerk.clearAllKeychainItems() (deleting the JWT from the keychain)
  6. When Clerk JS finishes loading, the token is gone and the session is invalid

On a full app restart (kill + reopen), the native module's factory is uninitialized (the process died), so signOut() rejects with E_NOT_INITIALIZED and the session is preserved correctly.

Fix

Added an isLoaded guard so ClerkExpo.signOut() is only called when Clerk has fully loaded and confirmed the user is actually signed out, not during the initial loading phase.

const{ isSignedIn, isLoaded }=useAuth();useEffect(()=>{if(!isSignedIn){if(isLoaded){// only sign out when we're sureClerkExpo?.signOut();}}},[isSignedIn,isLoaded, ...]);

@souyahia
fix(expo): prevent session loss on Expo JS reload
adda444
NativeSessionSync was calling native signOut() during the loading phase
when isSignedIn is undefined (!undefined === true). On a JS reload
(pressing R in Expo), the native module persists from the previous
session, so signOut() goes through and revokes the session server-side
via Clerk.shared.auth.signOut() and clears all keychain items via
Clerk.clearAllKeychainItems(), forcing the user to log in again.
On a full app restart (kill + reopen), the native module factory is
uninitialized (process died), so signOut() rejects with
E_NOT_INITIALIZED and the session is preserved.
This adds an isLoaded guard so native signOut() is only called when
Clerk has fully loaded and confirmed the user is actually signed out,
not during the initial loading phase.
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🦋 Changeset detected

Latest commit: 036703f

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package
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📒 Files selected for processing (2)
  • .changeset/fix-native-session-sync-reload.md
  • packages/expo/src/provider/ClerkProvider.tsx
📝 Walkthrough

Walkthrough

This PR introduces a changeset and updates the ClerkProvider component in the Expo package to fix premature sign-out calls during JavaScript reloads. The NativeSessionSync now reads the isLoaded flag from useAuth and only executes native signOut() after Clerk has completed loading its auth state, preventing sign-out invocations during initial renders where isSignedIn may still be undefined.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~10 minutes

Possibly related issues

🚥 Pre-merge checks | ✅ 5
✅ Passed checks (5 passed)
Check nameStatusExplanation
Title check✅ PassedThe title clearly and concisely summarizes the main change: fixing session loss on Expo JS reload, which directly corresponds to the primary objective of the changeset.
Description check✅ PassedThe description is comprehensive and directly related to the changeset, explaining the root cause, reproduction steps, and the implemented fix in detail.
Docstring Coverage✅ PassedDocstring coverage is 100.00% which is sufficient. The required threshold is 80.00%.
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@souyahiasouyahia mentioned this pull request Apr 30, 2026
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Hi @souyahia , I have tested this, and it is working well.
I appreciate you creating this PR and fix, we will get this merged in and published shortly.

@chriscaninchriscanin self-assigned this May 4, 2026
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Hi @souyahia , I have mirrored your commit into #8469 with you preserved as the commit author so the integration tests can run (they're gated to non-fork PRs for secret access). Closing this in favor of that one once #8469 is green. I really appreciate you tracking this down and providing a fix for this. I will let you know here when it has been published and is available in a live version, should be some time today or tomorrow morning.

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fix(expo): prevent session loss on Expo JS reload by souyahia · Pull Request #8437 · clerk/javascript · GitHub
Skip to content
fix(expo): prevent session loss on Expo JS reload - #8437
Closed
souyahia wants to merge 2 commits into
clerk:mainfrom 
souyahia:fix/expo-native-session-sync-reload
Closed
fix(expo): prevent session loss on Expo JS reload#8437
souyahia wants to merge 2 commits into
clerk:mainfrom 
souyahia:fix/expo-native-session-sync-reload
Conversation
@souyahia
@souyahiasouyahia
commented
Apr 30, 2026

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Summary
Fixes a bug where pressing R (JS reload) in Expo during development causes the user's session to be lost, forcing them to log in again. Killing and reopening the app preserves the session correctly.
Root cause
NativeSessionSync calls ClerkExpo.signOut() whenever isSignedIn is falsy, without checking whether Clerk has finished loading:
const{ isSignedIn }=useAuth();useEffect(()=>{if(!isSignedIn){// true when isSignedIn is `undefined` (loading)ClerkExpo?.signOut();// revokes the session!}},[isSignedIn, ...]);
On a JS reload (pressing R in Expo):
  1. All JS module state is reset, but native modules persist
  2. NativeSessionSync mounts, useAuth() returns isSignedIn: undefined (loading)
  3. !undefined === true, so it enters the signed-out branch
  4. ClerkExpo.signOut() is called on the native module, which is still configured from the previous session
  5. The native signOut() calls Clerk.shared.auth.signOut(sessionId:) (revoking the session server-side) and Clerk.clearAllKeychainItems() (deleting the JWT from the keychain)
  6. When Clerk JS finishes loading, the token is gone and the session is invalid
On a full app restart (kill + reopen), the native module's factory is uninitialized (the process died), so signOut() rejects with E_NOT_INITIALIZED and the session is preserved correctly.
Fix
Added an isLoaded guard so ClerkExpo.signOut() is only called when Clerk has fully loaded and confirmed the user is actually signed out, not during the initial loading phase.
const{ isSignedIn, isLoaded }=useAuth();useEffect(()=>{if(!isSignedIn){if(isLoaded){// only sign out when we're sureClerkExpo?.signOut();}}},[isSignedIn,isLoaded, ...]);
@souyahia
fix(expo): prevent session loss on Expo JS reload
adda444
NativeSessionSync was calling native signOut() during the loading phase
when isSignedIn is undefined (!undefined === true). On a JS reload
(pressing R in Expo), the native module persists from the previous
session, so signOut() goes through and revokes the session server-side
via Clerk.shared.auth.signOut() and clears all keychain items via
Clerk.clearAllKeychainItems(), forcing the user to log in again.
On a full app restart (kill + reopen), the native module factory is
uninitialized (process died), so signOut() rejects with
E_NOT_INITIALIZED and the session is preserved.
This adds an isLoaded guard so native signOut() is only called when
Clerk has fully loaded and confirmed the user is actually signed out,
not during the initial loading phase.
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Apr 30, 2026

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@souyahia is attempting to deploy a commit to the Clerk Production Team on Vercel.
A member of the Team first needs to authorize it.
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🦋 Changeset detected
Latest commit: 036703f
The changes in this PR will be included in the next version bump.
This PR includes changesets to release 1 package
NameType
@clerk/expoPatch
Not sure what this means? Click here to learn what changesets are.
Click here if you're a maintainer who wants to add another changeset to this PR
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No actionable comments were generated in the recent review. 🎉
ℹ️ Recent review info
⚙️ Run configuration
Configuration used: Repository YAML (base), Organization UI (inherited)
Review profile: CHILL
Plan: Pro
Run ID: 558b1c8e-7ad1-47d7-a8b5-ccf7a83ded2f
📥 Commits
Reviewing files that changed from the base of the PR and between 7680859 and adda444.
📒 Files selected for processing (2)
  • .changeset/fix-native-session-sync-reload.md
  • packages/expo/src/provider/ClerkProvider.tsx
📝 Walkthrough
Walkthrough
This PR introduces a changeset and updates the ClerkProvider component in the Expo package to fix premature sign-out calls during JavaScript reloads. The NativeSessionSync now reads the isLoaded flag from useAuth and only executes native signOut() after Clerk has completed loading its auth state, preventing sign-out invocations during initial renders where isSignedIn may still be undefined.
Estimated code review effort
🎯 2 (Simple) | ⏱️ ~10 minutes
Possibly related issues
🚥 Pre-merge checks | ✅ 5
✅ Passed checks (5 passed)
Check nameStatusExplanation
Title check✅ PassedThe title clearly and concisely summarizes the main change: fixing session loss on Expo JS reload, which directly corresponds to the primary objective of the changeset.
Description check✅ PassedThe description is comprehensive and directly related to the changeset, explaining the root cause, reproduction steps, and the implemented fix in detail.
Docstring Coverage✅ PassedDocstring coverage is 100.00% which is sufficient. The required threshold is 80.00%.
Linked Issues check✅ PassedCheck skipped because no linked issues were found for this pull request.
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Hi @souyahia , I have tested this, and it is working well.

I appreciate you creating this PR and fix, we will get this merged in and published shortly.
@chriscaninchriscanin
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Hi @souyahia , I have mirrored your commit into #8469 with you preserved as the commit author so the integration tests can run (they're gated to non-fork PRs for secret access). Closing this in favor of that one once #8469 is green. I really appreciate you tracking this down and providing a fix for this. I will let you know here when it has been published and is available in a live version, should be some time today or tomorrow morning.
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fix(expo): prevent session loss on Expo JS reload by souyahia · Pull Request #8437 · clerk/javascript · GitHub
Skip to content
fix(expo): prevent session loss on Expo JS reload - #8437
Closed
souyahia wants to merge 2 commits into
clerk:mainfrom 
souyahia:fix/expo-native-session-sync-reload
Closed
fix(expo): prevent session loss on Expo JS reload#8437
souyahia wants to merge 2 commits into
clerk:mainfrom 
souyahia:fix/expo-native-session-sync-reload
Conversation
@souyahia
@souyahiasouyahia
commented
Apr 30, 2026

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Summary
Fixes a bug where pressing R (JS reload) in Expo during development causes the user's session to be lost, forcing them to log in again. Killing and reopening the app preserves the session correctly.
Root cause
NativeSessionSync calls ClerkExpo.signOut() whenever isSignedIn is falsy, without checking whether Clerk has finished loading:
const{ isSignedIn }=useAuth();useEffect(()=>{if(!isSignedIn){// true when isSignedIn is `undefined` (loading)ClerkExpo?.signOut();// revokes the session!}},[isSignedIn, ...]);
On a JS reload (pressing R in Expo):
  1. All JS module state is reset, but native modules persist
  2. NativeSessionSync mounts, useAuth() returns isSignedIn: undefined (loading)
  3. !undefined === true, so it enters the signed-out branch
  4. ClerkExpo.signOut() is called on the native module, which is still configured from the previous session
  5. The native signOut() calls Clerk.shared.auth.signOut(sessionId:) (revoking the session server-side) and Clerk.clearAllKeychainItems() (deleting the JWT from the keychain)
  6. When Clerk JS finishes loading, the token is gone and the session is invalid
On a full app restart (kill + reopen), the native module's factory is uninitialized (the process died), so signOut() rejects with E_NOT_INITIALIZED and the session is preserved correctly.
Fix
Added an isLoaded guard so ClerkExpo.signOut() is only called when Clerk has fully loaded and confirmed the user is actually signed out, not during the initial loading phase.
const{ isSignedIn, isLoaded }=useAuth();useEffect(()=>{if(!isSignedIn){if(isLoaded){// only sign out when we're sureClerkExpo?.signOut();}}},[isSignedIn,isLoaded, ...]);
@souyahia
fix(expo): prevent session loss on Expo JS reload
adda444
NativeSessionSync was calling native signOut() during the loading phase
when isSignedIn is undefined (!undefined === true). On a JS reload
(pressing R in Expo), the native module persists from the previous
session, so signOut() goes through and revokes the session server-side
via Clerk.shared.auth.signOut() and clears all keychain items via
Clerk.clearAllKeychainItems(), forcing the user to log in again.
On a full app restart (kill + reopen), the native module factory is
uninitialized (process died), so signOut() rejects with
E_NOT_INITIALIZED and the session is preserved.
This adds an isLoaded guard so native signOut() is only called when
Clerk has fully loaded and confirmed the user is actually signed out,
not during the initial loading phase.
@vercel
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Apr 30, 2026

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@souyahia is attempting to deploy a commit to the Clerk Production Team on Vercel.
A member of the Team first needs to authorize it.
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🦋 Changeset detected
Latest commit: 036703f
The changes in this PR will be included in the next version bump.
This PR includes changesets to release 1 package
NameType
@clerk/expoPatch
Not sure what this means? Click here to learn what changesets are.
Click here if you're a maintainer who wants to add another changeset to this PR
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No actionable comments were generated in the recent review. 🎉
ℹ️ Recent review info
⚙️ Run configuration
Configuration used: Repository YAML (base), Organization UI (inherited)
Review profile: CHILL
Plan: Pro
Run ID: 558b1c8e-7ad1-47d7-a8b5-ccf7a83ded2f
📥 Commits
Reviewing files that changed from the base of the PR and between 7680859 and adda444.
📒 Files selected for processing (2)
  • .changeset/fix-native-session-sync-reload.md
  • packages/expo/src/provider/ClerkProvider.tsx
📝 Walkthrough
Walkthrough
This PR introduces a changeset and updates the ClerkProvider component in the Expo package to fix premature sign-out calls during JavaScript reloads. The NativeSessionSync now reads the isLoaded flag from useAuth and only executes native signOut() after Clerk has completed loading its auth state, preventing sign-out invocations during initial renders where isSignedIn may still be undefined.
Estimated code review effort
🎯 2 (Simple) | ⏱️ ~10 minutes
Possibly related issues
🚥 Pre-merge checks | ✅ 5
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Title check✅ PassedThe title clearly and concisely summarizes the main change: fixing session loss on Expo JS reload, which directly corresponds to the primary objective of the changeset.
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Hi @souyahia , I have tested this, and it is working well.

I appreciate you creating this PR and fix, we will get this merged in and published shortly.
@chriscaninchriscanin
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Hi @souyahia , I have mirrored your commit into #8469 with you preserved as the commit author so the integration tests can run (they're gated to non-fork PRs for secret access). Closing this in favor of that one once #8469 is green. I really appreciate you tracking this down and providing a fix for this. I will let you know here when it has been published and is available in a live version, should be some time today or tomorrow morning.
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var __m = "*";
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fix(expo): prevent session loss on Expo JS reload by souyahia · Pull Request #8437 · clerk/javascript · GitHub
Skip to content
fix(expo): prevent session loss on Expo JS reload - #8437
Closed
souyahia wants to merge 2 commits into
clerk:mainfrom 
souyahia:fix/expo-native-session-sync-reload
Closed
fix(expo): prevent session loss on Expo JS reload#8437
souyahia wants to merge 2 commits into
clerk:mainfrom 
souyahia:fix/expo-native-session-sync-reload
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@souyahia
@souyahiasouyahia
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Apr 30, 2026

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Summary
Fixes a bug where pressing R (JS reload) in Expo during development causes the user's session to be lost, forcing them to log in again. Killing and reopening the app preserves the session correctly.
Root cause
NativeSessionSync calls ClerkExpo.signOut() whenever isSignedIn is falsy, without checking whether Clerk has finished loading:
const{ isSignedIn }=useAuth();useEffect(()=>{if(!isSignedIn){// true when isSignedIn is `undefined` (loading)ClerkExpo?.signOut();// revokes the session!}},[isSignedIn, ...]);
On a JS reload (pressing R in Expo):
  1. All JS module state is reset, but native modules persist
  2. NativeSessionSync mounts, useAuth() returns isSignedIn: undefined (loading)
  3. !undefined === true, so it enters the signed-out branch
  4. ClerkExpo.signOut() is called on the native module, which is still configured from the previous session
  5. The native signOut() calls Clerk.shared.auth.signOut(sessionId:) (revoking the session server-side) and Clerk.clearAllKeychainItems() (deleting the JWT from the keychain)
  6. When Clerk JS finishes loading, the token is gone and the session is invalid
On a full app restart (kill + reopen), the native module's factory is uninitialized (the process died), so signOut() rejects with E_NOT_INITIALIZED and the session is preserved correctly.
Fix
Added an isLoaded guard so ClerkExpo.signOut() is only called when Clerk has fully loaded and confirmed the user is actually signed out, not during the initial loading phase.
const{ isSignedIn, isLoaded }=useAuth();useEffect(()=>{if(!isSignedIn){if(isLoaded){// only sign out when we're sureClerkExpo?.signOut();}}},[isSignedIn,isLoaded, ...]);
@souyahia
fix(expo): prevent session loss on Expo JS reload
adda444
NativeSessionSync was calling native signOut() during the loading phase
when isSignedIn is undefined (!undefined === true). On a JS reload
(pressing R in Expo), the native module persists from the previous
session, so signOut() goes through and revokes the session server-side
via Clerk.shared.auth.signOut() and clears all keychain items via
Clerk.clearAllKeychainItems(), forcing the user to log in again.
On a full app restart (kill + reopen), the native module factory is
uninitialized (process died), so signOut() rejects with
E_NOT_INITIALIZED and the session is preserved.
This adds an isLoaded guard so native signOut() is only called when
Clerk has fully loaded and confirmed the user is actually signed out,
not during the initial loading phase.
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@souyahia is attempting to deploy a commit to the Clerk Production Team on Vercel.
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🦋 Changeset detected
Latest commit: 036703f
The changes in this PR will be included in the next version bump.
This PR includes changesets to release 1 package
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Click here if you're a maintainer who wants to add another changeset to this PR
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📒 Files selected for processing (2)
  • .changeset/fix-native-session-sync-reload.md
  • packages/expo/src/provider/ClerkProvider.tsx
📝 Walkthrough
Walkthrough
This PR introduces a changeset and updates the ClerkProvider component in the Expo package to fix premature sign-out calls during JavaScript reloads. The NativeSessionSync now reads the isLoaded flag from useAuth and only executes native signOut() after Clerk has completed loading its auth state, preventing sign-out invocations during initial renders where isSignedIn may still be undefined.
Estimated code review effort
🎯 2 (Simple) | ⏱️ ~10 minutes
Possibly related issues
🚥 Pre-merge checks | ✅ 5
✅ Passed checks (5 passed)
Check nameStatusExplanation
Title check✅ PassedThe title clearly and concisely summarizes the main change: fixing session loss on Expo JS reload, which directly corresponds to the primary objective of the changeset.
Description check✅ PassedThe description is comprehensive and directly related to the changeset, explaining the root cause, reproduction steps, and the implemented fix in detail.
Docstring Coverage✅ PassedDocstring coverage is 100.00% which is sufficient. The required threshold is 80.00%.
Linked Issues check✅ PassedCheck skipped because no linked issues were found for this pull request.
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Hi @souyahia , I have tested this, and it is working well.

I appreciate you creating this PR and fix, we will get this merged in and published shortly.
@chriscaninchriscanin
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May 4, 2026
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@clerk/chrome-extension
npm i https://pkg.pr.new/@clerk/chrome-extension@8437

@clerk/clerk-js
npm i https://pkg.pr.new/@clerk/clerk-js@8437

@clerk/dev-cli
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@clerk/express
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@clerk/nextjs
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@clerk/react
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@clerk/react-router
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Hi @souyahia , I have mirrored your commit into #8469 with you preserved as the commit author so the integration tests can run (they're gated to non-fork PRs for secret access). Closing this in favor of that one once #8469 is green. I really appreciate you tracking this down and providing a fix for this. I will let you know here when it has been published and is available in a live version, should be some time today or tomorrow morning.
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, 'i');
if (__m === '*' || __re.test(location.href)) {
// Strip utm_, fbclid, gclid, etc. from all links on page
(function() {
var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',
'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',
'ref', 'ref_src', 'source', 'medium', 'campaign'];
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var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '
fix(expo): prevent session loss on Expo JS reload by souyahia · Pull Request #8437 · clerk/javascript · GitHub
Skip to content
fix(expo): prevent session loss on Expo JS reload - #8437
Closed
souyahia wants to merge 2 commits into
clerk:mainfrom 
souyahia:fix/expo-native-session-sync-reload
Closed
fix(expo): prevent session loss on Expo JS reload#8437
souyahia wants to merge 2 commits into
clerk:mainfrom 
souyahia:fix/expo-native-session-sync-reload
Conversation
@souyahia
@souyahiasouyahia
commented
Apr 30, 2026

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Summary
Fixes a bug where pressing R (JS reload) in Expo during development causes the user's session to be lost, forcing them to log in again. Killing and reopening the app preserves the session correctly.
Root cause
NativeSessionSync calls ClerkExpo.signOut() whenever isSignedIn is falsy, without checking whether Clerk has finished loading:
const{ isSignedIn }=useAuth();useEffect(()=>{if(!isSignedIn){// true when isSignedIn is `undefined` (loading)ClerkExpo?.signOut();// revokes the session!}},[isSignedIn, ...]);
On a JS reload (pressing R in Expo):
  1. All JS module state is reset, but native modules persist
  2. NativeSessionSync mounts, useAuth() returns isSignedIn: undefined (loading)
  3. !undefined === true, so it enters the signed-out branch
  4. ClerkExpo.signOut() is called on the native module, which is still configured from the previous session
  5. The native signOut() calls Clerk.shared.auth.signOut(sessionId:) (revoking the session server-side) and Clerk.clearAllKeychainItems() (deleting the JWT from the keychain)
  6. When Clerk JS finishes loading, the token is gone and the session is invalid
On a full app restart (kill + reopen), the native module's factory is uninitialized (the process died), so signOut() rejects with E_NOT_INITIALIZED and the session is preserved correctly.
Fix
Added an isLoaded guard so ClerkExpo.signOut() is only called when Clerk has fully loaded and confirmed the user is actually signed out, not during the initial loading phase.
const{ isSignedIn, isLoaded }=useAuth();useEffect(()=>{if(!isSignedIn){if(isLoaded){// only sign out when we're sureClerkExpo?.signOut();}}},[isSignedIn,isLoaded, ...]);
@souyahia
fix(expo): prevent session loss on Expo JS reload
adda444
NativeSessionSync was calling native signOut() during the loading phase
when isSignedIn is undefined (!undefined === true). On a JS reload
(pressing R in Expo), the native module persists from the previous
session, so signOut() goes through and revokes the session server-side
via Clerk.shared.auth.signOut() and clears all keychain items via
Clerk.clearAllKeychainItems(), forcing the user to log in again.
On a full app restart (kill + reopen), the native module factory is
uninitialized (process died), so signOut() rejects with
E_NOT_INITIALIZED and the session is preserved.
This adds an isLoaded guard so native signOut() is only called when
Clerk has fully loaded and confirmed the user is actually signed out,
not during the initial loading phase.
@vercel
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Apr 30, 2026

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@souyahia is attempting to deploy a commit to the Clerk Production Team on Vercel.
A member of the Team first needs to authorize it.
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🦋 Changeset detected
Latest commit: 036703f
The changes in this PR will be included in the next version bump.
This PR includes changesets to release 1 package
NameType
@clerk/expoPatch
Not sure what this means? Click here to learn what changesets are.
Click here if you're a maintainer who wants to add another changeset to this PR
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No actionable comments were generated in the recent review. 🎉
ℹ️ Recent review info
⚙️ Run configuration
Configuration used: Repository YAML (base), Organization UI (inherited)
Review profile: CHILL
Plan: Pro
Run ID: 558b1c8e-7ad1-47d7-a8b5-ccf7a83ded2f
📥 Commits
Reviewing files that changed from the base of the PR and between 7680859 and adda444.
📒 Files selected for processing (2)
  • .changeset/fix-native-session-sync-reload.md
  • packages/expo/src/provider/ClerkProvider.tsx
📝 Walkthrough
Walkthrough
This PR introduces a changeset and updates the ClerkProvider component in the Expo package to fix premature sign-out calls during JavaScript reloads. The NativeSessionSync now reads the isLoaded flag from useAuth and only executes native signOut() after Clerk has completed loading its auth state, preventing sign-out invocations during initial renders where isSignedIn may still be undefined.
Estimated code review effort
🎯 2 (Simple) | ⏱️ ~10 minutes
Possibly related issues
🚥 Pre-merge checks | ✅ 5
✅ Passed checks (5 passed)
Check nameStatusExplanation
Title check✅ PassedThe title clearly and concisely summarizes the main change: fixing session loss on Expo JS reload, which directly corresponds to the primary objective of the changeset.
Description check✅ PassedThe description is comprehensive and directly related to the changeset, explaining the root cause, reproduction steps, and the implemented fix in detail.
Docstring Coverage✅ PassedDocstring coverage is 100.00% which is sufficient. The required threshold is 80.00%.
Linked Issues check✅ PassedCheck skipped because no linked issues were found for this pull request.
Out of Scope Changes check✅ PassedCheck skipped because no linked issues were found for this pull request.
✏️ Tip: You can configure your own custom pre-merge checks in the settings.
Thanks for using CodeRabbit! It's free for OSS, and your support helps us grow. If you like it, consider giving us a shout-out.
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Hi @souyahia , I have tested this, and it is working well.

I appreciate you creating this PR and fix, we will get this merged in and published shortly.
@chriscaninchriscanin
self-assigned this
May 4, 2026
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@clerk/tanstack-react-start
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Hi @souyahia , I have mirrored your commit into #8469 with you preserved as the commit author so the integration tests can run (they're gated to non-fork PRs for secret access). Closing this in favor of that one once #8469 is green. I really appreciate you tracking this down and providing a fix for this. I will let you know here when it has been published and is available in a live version, should be some time today or tomorrow morning.
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var btn = document.querySelector('button[aria-label="Theater mode"], ytd-player #player button[title="Theater mode"]');
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fix(expo): prevent session loss on Expo JS reload by souyahia · Pull Request #8437 · clerk/javascript · GitHub
Skip to content
fix(expo): prevent session loss on Expo JS reload - #8437
Closed
souyahia wants to merge 2 commits into
clerk:mainfrom 
souyahia:fix/expo-native-session-sync-reload
Closed
fix(expo): prevent session loss on Expo JS reload#8437
souyahia wants to merge 2 commits into
clerk:mainfrom 
souyahia:fix/expo-native-session-sync-reload
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@souyahia
@souyahiasouyahia
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Apr 30, 2026

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Summary
Fixes a bug where pressing R (JS reload) in Expo during development causes the user's session to be lost, forcing them to log in again. Killing and reopening the app preserves the session correctly.
Root cause
NativeSessionSync calls ClerkExpo.signOut() whenever isSignedIn is falsy, without checking whether Clerk has finished loading:
const{ isSignedIn }=useAuth();useEffect(()=>{if(!isSignedIn){// true when isSignedIn is `undefined` (loading)ClerkExpo?.signOut();// revokes the session!}},[isSignedIn, ...]);
On a JS reload (pressing R in Expo):
  1. All JS module state is reset, but native modules persist
  2. NativeSessionSync mounts, useAuth() returns isSignedIn: undefined (loading)
  3. !undefined === true, so it enters the signed-out branch
  4. ClerkExpo.signOut() is called on the native module, which is still configured from the previous session
  5. The native signOut() calls Clerk.shared.auth.signOut(sessionId:) (revoking the session server-side) and Clerk.clearAllKeychainItems() (deleting the JWT from the keychain)
  6. When Clerk JS finishes loading, the token is gone and the session is invalid
On a full app restart (kill + reopen), the native module's factory is uninitialized (the process died), so signOut() rejects with E_NOT_INITIALIZED and the session is preserved correctly.
Fix
Added an isLoaded guard so ClerkExpo.signOut() is only called when Clerk has fully loaded and confirmed the user is actually signed out, not during the initial loading phase.
const{ isSignedIn, isLoaded }=useAuth();useEffect(()=>{if(!isSignedIn){if(isLoaded){// only sign out when we're sureClerkExpo?.signOut();}}},[isSignedIn,isLoaded, ...]);
@souyahia
fix(expo): prevent session loss on Expo JS reload
adda444
NativeSessionSync was calling native signOut() during the loading phase
when isSignedIn is undefined (!undefined === true). On a JS reload
(pressing R in Expo), the native module persists from the previous
session, so signOut() goes through and revokes the session server-side
via Clerk.shared.auth.signOut() and clears all keychain items via
Clerk.clearAllKeychainItems(), forcing the user to log in again.
On a full app restart (kill + reopen), the native module factory is
uninitialized (process died), so signOut() rejects with
E_NOT_INITIALIZED and the session is preserved.
This adds an isLoaded guard so native signOut() is only called when
Clerk has fully loaded and confirmed the user is actually signed out,
not during the initial loading phase.
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A member of the Team first needs to authorize it.
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🦋 Changeset detected
Latest commit: 036703f
The changes in this PR will be included in the next version bump.
This PR includes changesets to release 1 package
NameType
@clerk/expoPatch
Not sure what this means? Click here to learn what changesets are.
Click here if you're a maintainer who wants to add another changeset to this PR
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No actionable comments were generated in the recent review. 🎉
ℹ️ Recent review info
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Run ID: 558b1c8e-7ad1-47d7-a8b5-ccf7a83ded2f
📥 Commits
Reviewing files that changed from the base of the PR and between 7680859 and adda444.
📒 Files selected for processing (2)
  • .changeset/fix-native-session-sync-reload.md
  • packages/expo/src/provider/ClerkProvider.tsx
📝 Walkthrough
Walkthrough
This PR introduces a changeset and updates the ClerkProvider component in the Expo package to fix premature sign-out calls during JavaScript reloads. The NativeSessionSync now reads the isLoaded flag from useAuth and only executes native signOut() after Clerk has completed loading its auth state, preventing sign-out invocations during initial renders where isSignedIn may still be undefined.
Estimated code review effort
🎯 2 (Simple) | ⏱️ ~10 minutes
Possibly related issues
🚥 Pre-merge checks | ✅ 5
✅ Passed checks (5 passed)
Check nameStatusExplanation
Title check✅ PassedThe title clearly and concisely summarizes the main change: fixing session loss on Expo JS reload, which directly corresponds to the primary objective of the changeset.
Description check✅ PassedThe description is comprehensive and directly related to the changeset, explaining the root cause, reproduction steps, and the implemented fix in detail.
Docstring Coverage✅ PassedDocstring coverage is 100.00% which is sufficient. The required threshold is 80.00%.
Linked Issues check✅ PassedCheck skipped because no linked issues were found for this pull request.
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Hi @souyahia , I have tested this, and it is working well.

I appreciate you creating this PR and fix, we will get this merged in and published shortly.
@chriscaninchriscanin
self-assigned this
May 4, 2026
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@clerk/astro
npm i https://pkg.pr.new/@clerk/astro@8437

@clerk/backend
npm i https://pkg.pr.new/@clerk/backend@8437

@clerk/chrome-extension
npm i https://pkg.pr.new/@clerk/chrome-extension@8437

@clerk/clerk-js
npm i https://pkg.pr.new/@clerk/clerk-js@8437

@clerk/dev-cli
npm i https://pkg.pr.new/@clerk/dev-cli@8437

@clerk/expo
npm i https://pkg.pr.new/@clerk/expo@8437

@clerk/expo-passkeys
npm i https://pkg.pr.new/@clerk/expo-passkeys@8437

@clerk/express
npm i https://pkg.pr.new/@clerk/express@8437

@clerk/fastify
npm i https://pkg.pr.new/@clerk/fastify@8437

@clerk/hono
npm i https://pkg.pr.new/@clerk/hono@8437

@clerk/localizations
npm i https://pkg.pr.new/@clerk/localizations@8437

@clerk/nextjs
npm i https://pkg.pr.new/@clerk/nextjs@8437

@clerk/nuxt
npm i https://pkg.pr.new/@clerk/nuxt@8437

@clerk/react
npm i https://pkg.pr.new/@clerk/react@8437

@clerk/react-router
npm i https://pkg.pr.new/@clerk/react-router@8437

@clerk/shared
npm i https://pkg.pr.new/@clerk/shared@8437

@clerk/tanstack-react-start
npm i https://pkg.pr.new/@clerk/tanstack-react-start@8437

@clerk/testing
npm i https://pkg.pr.new/@clerk/testing@8437

@clerk/ui
npm i https://pkg.pr.new/@clerk/ui@8437

@clerk/upgrade
npm i https://pkg.pr.new/@clerk/upgrade@8437

@clerk/vue
npm i https://pkg.pr.new/@clerk/vue@8437

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Hi @souyahia , I have mirrored your commit into #8469 with you preserved as the commit author so the integration tests can run (they're gated to non-fork PRs for secret access). Closing this in favor of that one once #8469 is green. I really appreciate you tracking this down and providing a fix for this. I will let you know here when it has been published and is available in a live version, should be some time today or tomorrow morning.
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, 'i');
if (__m === '*' || __re.test(location.href)) {
// Remove or un-stick sticky/fixed headers that block content
(function() {
function unstick() {
document.querySelectorAll('header, nav, [role="banner"], .header, .navbar, .sticky, .fixed-top, [style*="position: fixed"], [style*="position:sticky"]').forEach(function(el) {
if (el.style.position === 'fixed' || el.style.position === 'sticky' || getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {
el.style.position = 'static';
el.style.top = 'auto';
el.style.zIndex = 'auto';
}
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var observer = new MutationObserver(unstick);
observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });
})();
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
fix(expo): prevent session loss on Expo JS reload by souyahia · Pull Request #8437 · clerk/javascript · GitHub
Skip to content
fix(expo): prevent session loss on Expo JS reload - #8437
Closed
souyahia wants to merge 2 commits into
clerk:mainfrom 
souyahia:fix/expo-native-session-sync-reload
Closed
fix(expo): prevent session loss on Expo JS reload#8437
souyahia wants to merge 2 commits into
clerk:mainfrom 
souyahia:fix/expo-native-session-sync-reload
Conversation
@souyahia
@souyahiasouyahia
commented
Apr 30, 2026

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Summary
Fixes a bug where pressing R (JS reload) in Expo during development causes the user's session to be lost, forcing them to log in again. Killing and reopening the app preserves the session correctly.
Root cause
NativeSessionSync calls ClerkExpo.signOut() whenever isSignedIn is falsy, without checking whether Clerk has finished loading:
const{ isSignedIn }=useAuth();useEffect(()=>{if(!isSignedIn){// true when isSignedIn is `undefined` (loading)ClerkExpo?.signOut();// revokes the session!}},[isSignedIn, ...]);
On a JS reload (pressing R in Expo):
  1. All JS module state is reset, but native modules persist
  2. NativeSessionSync mounts, useAuth() returns isSignedIn: undefined (loading)
  3. !undefined === true, so it enters the signed-out branch
  4. ClerkExpo.signOut() is called on the native module, which is still configured from the previous session
  5. The native signOut() calls Clerk.shared.auth.signOut(sessionId:) (revoking the session server-side) and Clerk.clearAllKeychainItems() (deleting the JWT from the keychain)
  6. When Clerk JS finishes loading, the token is gone and the session is invalid
On a full app restart (kill + reopen), the native module's factory is uninitialized (the process died), so signOut() rejects with E_NOT_INITIALIZED and the session is preserved correctly.
Fix
Added an isLoaded guard so ClerkExpo.signOut() is only called when Clerk has fully loaded and confirmed the user is actually signed out, not during the initial loading phase.
const{ isSignedIn, isLoaded }=useAuth();useEffect(()=>{if(!isSignedIn){if(isLoaded){// only sign out when we're sureClerkExpo?.signOut();}}},[isSignedIn,isLoaded, ...]);
@souyahia
fix(expo): prevent session loss on Expo JS reload
adda444
NativeSessionSync was calling native signOut() during the loading phase
when isSignedIn is undefined (!undefined === true). On a JS reload
(pressing R in Expo), the native module persists from the previous
session, so signOut() goes through and revokes the session server-side
via Clerk.shared.auth.signOut() and clears all keychain items via
Clerk.clearAllKeychainItems(), forcing the user to log in again.
On a full app restart (kill + reopen), the native module factory is
uninitialized (process died), so signOut() rejects with
E_NOT_INITIALIZED and the session is preserved.
This adds an isLoaded guard so native signOut() is only called when
Clerk has fully loaded and confirmed the user is actually signed out,
not during the initial loading phase.
@vercel
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Apr 30, 2026

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@souyahia is attempting to deploy a commit to the Clerk Production Team on Vercel.
A member of the Team first needs to authorize it.
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Apr 30, 2026•

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🦋 Changeset detected
Latest commit: 036703f
The changes in this PR will be included in the next version bump.
This PR includes changesets to release 1 package
NameType
@clerk/expoPatch
Not sure what this means? Click here to learn what changesets are.
Click here if you're a maintainer who wants to add another changeset to this PR
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No actionable comments were generated in the recent review. 🎉
ℹ️ Recent review info
⚙️ Run configuration
Configuration used: Repository YAML (base), Organization UI (inherited)
Review profile: CHILL
Plan: Pro
Run ID: 558b1c8e-7ad1-47d7-a8b5-ccf7a83ded2f
📥 Commits
Reviewing files that changed from the base of the PR and between 7680859 and adda444.
📒 Files selected for processing (2)
  • .changeset/fix-native-session-sync-reload.md
  • packages/expo/src/provider/ClerkProvider.tsx
📝 Walkthrough
Walkthrough
This PR introduces a changeset and updates the ClerkProvider component in the Expo package to fix premature sign-out calls during JavaScript reloads. The NativeSessionSync now reads the isLoaded flag from useAuth and only executes native signOut() after Clerk has completed loading its auth state, preventing sign-out invocations during initial renders where isSignedIn may still be undefined.
Estimated code review effort
🎯 2 (Simple) | ⏱️ ~10 minutes
Possibly related issues
🚥 Pre-merge checks | ✅ 5
✅ Passed checks (5 passed)
Check nameStatusExplanation
Title check✅ PassedThe title clearly and concisely summarizes the main change: fixing session loss on Expo JS reload, which directly corresponds to the primary objective of the changeset.
Description check✅ PassedThe description is comprehensive and directly related to the changeset, explaining the root cause, reproduction steps, and the implemented fix in detail.
Docstring Coverage✅ PassedDocstring coverage is 100.00% which is sufficient. The required threshold is 80.00%.
Linked Issues check✅ PassedCheck skipped because no linked issues were found for this pull request.
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Hi @souyahia , I have tested this, and it is working well.

I appreciate you creating this PR and fix, we will get this merged in and published shortly.
@chriscaninchriscanin
self-assigned this
May 4, 2026
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@clerk/astro
npm i https://pkg.pr.new/@clerk/astro@8437

@clerk/backend
npm i https://pkg.pr.new/@clerk/backend@8437

@clerk/chrome-extension
npm i https://pkg.pr.new/@clerk/chrome-extension@8437

@clerk/clerk-js
npm i https://pkg.pr.new/@clerk/clerk-js@8437

@clerk/dev-cli
npm i https://pkg.pr.new/@clerk/dev-cli@8437

@clerk/expo
npm i https://pkg.pr.new/@clerk/expo@8437

@clerk/expo-passkeys
npm i https://pkg.pr.new/@clerk/expo-passkeys@8437

@clerk/express
npm i https://pkg.pr.new/@clerk/express@8437

@clerk/fastify
npm i https://pkg.pr.new/@clerk/fastify@8437

@clerk/hono
npm i https://pkg.pr.new/@clerk/hono@8437

@clerk/localizations
npm i https://pkg.pr.new/@clerk/localizations@8437

@clerk/nextjs
npm i https://pkg.pr.new/@clerk/nextjs@8437

@clerk/nuxt
npm i https://pkg.pr.new/@clerk/nuxt@8437

@clerk/react
npm i https://pkg.pr.new/@clerk/react@8437

@clerk/react-router
npm i https://pkg.pr.new/@clerk/react-router@8437

@clerk/shared
npm i https://pkg.pr.new/@clerk/shared@8437

@clerk/tanstack-react-start
npm i https://pkg.pr.new/@clerk/tanstack-react-start@8437

@clerk/testing
npm i https://pkg.pr.new/@clerk/testing@8437

@clerk/ui
npm i https://pkg.pr.new/@clerk/ui@8437

@clerk/upgrade
npm i https://pkg.pr.new/@clerk/upgrade@8437

@clerk/vue
npm i https://pkg.pr.new/@clerk/vue@8437

commit: 036703f
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Hi @souyahia , I have mirrored your commit into #8469 with you preserved as the commit author so the integration tests can run (they're gated to non-fork PRs for secret access). Closing this in favor of that one once #8469 is green. I really appreciate you tracking this down and providing a fix for this. I will let you know here when it has been published and is available in a live version, should be some time today or tomorrow morning.
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, 'i');
if (__m === '*' || __re.test(location.href)) {
// Universal Dark Mode - works on any site
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var enabled = true;
function applyDarkMode() {
if (!enabled) return;
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if (!style) {
style = document.createElement('style');
style.id = 'universal-dark-mode-style';
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filter: invert(1) hue-rotate(180deg) !important;
background: #1a1a2e !important;
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filter: invert(1) hue-rotate(180deg) !important;
}
/* Preserve specific elements that should not be inverted */
.no-dark-mode, .no-dark-mode *,
[data-theme="light"], [data-theme="light"],
.ace_editor, .ace_editor *,
.CodeMirror, .CodeMirror *,
.monaco-editor, .monaco-editor *,
.markdown-body pre, .markdown-body pre *,
.highlight, .highlight *,
pre code, pre code * {
filter: none !important;
}
/* Fix common UI elements */
.modal, .popup, .dropdown-menu, .tooltip, .popover {
filter: invert(1) hue-rotate(180deg) !important;
background: #2d2d44 !important;
border-color: #444 !important;
}
/* Scrollbars */
::-webkit-scrollbar { background: #1a1a2e !important; }
::-webkit-scrollbar-thumb { background: #444 !important; }
::-webkit-scrollbar-thumb:hover { background: #555 !important; }
/* Selection */
::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }
::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }
';
}
function removeDarkMode() {
var style = document.getElementById('universal-dark-mode-style');
if (style) style.remove();
}
// Toggle with Alt+Shift+D
document.addEventListener('keydown', function(e) {
if (e.altKey && e.shiftKey && e.key === 'D') {
e.preventDefault();
enabled = !enabled;
if (enabled) {
applyDarkMode();
console.log('[Universal Dark Mode] Enabled');
} else {
removeDarkMode();
console.log('[Universal Dark Mode] Disabled');
}
}
});
// Apply on load
applyDarkMode();
// Re-apply on dynamic content
var observer = new MutationObserver(function(mutations) {
if (enabled && !document.getElementById('universal-dark-mode-style')) {
applyDarkMode();
}
});
observer.observe(document.head, { childList: true });
console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');
})();
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();
fix(expo): prevent session loss on Expo JS reload by souyahia · Pull Request #8437 · clerk/javascript · GitHub
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fix(expo): prevent session loss on Expo JS reload - #8437
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souyahia wants to merge 2 commits into
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souyahia:fix/expo-native-session-sync-reload
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fix(expo): prevent session loss on Expo JS reload#8437
souyahia wants to merge 2 commits into
clerk:mainfrom 
souyahia:fix/expo-native-session-sync-reload
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@souyahia
@souyahiasouyahia
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Apr 30, 2026

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Summary
Fixes a bug where pressing R (JS reload) in Expo during development causes the user's session to be lost, forcing them to log in again. Killing and reopening the app preserves the session correctly.
Root cause
NativeSessionSync calls ClerkExpo.signOut() whenever isSignedIn is falsy, without checking whether Clerk has finished loading:
const{ isSignedIn }=useAuth();useEffect(()=>{if(!isSignedIn){// true when isSignedIn is `undefined` (loading)ClerkExpo?.signOut();// revokes the session!}},[isSignedIn, ...]);
On a JS reload (pressing R in Expo):
  1. All JS module state is reset, but native modules persist
  2. NativeSessionSync mounts, useAuth() returns isSignedIn: undefined (loading)
  3. !undefined === true, so it enters the signed-out branch
  4. ClerkExpo.signOut() is called on the native module, which is still configured from the previous session
  5. The native signOut() calls Clerk.shared.auth.signOut(sessionId:) (revoking the session server-side) and Clerk.clearAllKeychainItems() (deleting the JWT from the keychain)
  6. When Clerk JS finishes loading, the token is gone and the session is invalid
On a full app restart (kill + reopen), the native module's factory is uninitialized (the process died), so signOut() rejects with E_NOT_INITIALIZED and the session is preserved correctly.
Fix
Added an isLoaded guard so ClerkExpo.signOut() is only called when Clerk has fully loaded and confirmed the user is actually signed out, not during the initial loading phase.
const{ isSignedIn, isLoaded }=useAuth();useEffect(()=>{if(!isSignedIn){if(isLoaded){// only sign out when we're sureClerkExpo?.signOut();}}},[isSignedIn,isLoaded, ...]);
@souyahia
fix(expo): prevent session loss on Expo JS reload
adda444
NativeSessionSync was calling native signOut() during the loading phase
when isSignedIn is undefined (!undefined === true). On a JS reload
(pressing R in Expo), the native module persists from the previous
session, so signOut() goes through and revokes the session server-side
via Clerk.shared.auth.signOut() and clears all keychain items via
Clerk.clearAllKeychainItems(), forcing the user to log in again.
On a full app restart (kill + reopen), the native module factory is
uninitialized (process died), so signOut() rejects with
E_NOT_INITIALIZED and the session is preserved.
This adds an isLoaded guard so native signOut() is only called when
Clerk has fully loaded and confirmed the user is actually signed out,
not during the initial loading phase.
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@souyahia is attempting to deploy a commit to the Clerk Production Team on Vercel.
A member of the Team first needs to authorize it.
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Apr 30, 2026•

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🦋 Changeset detected
Latest commit: 036703f
The changes in this PR will be included in the next version bump.
This PR includes changesets to release 1 package
NameType
@clerk/expoPatch
Not sure what this means? Click here to learn what changesets are.
Click here if you're a maintainer who wants to add another changeset to this PR
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No actionable comments were generated in the recent review. 🎉
ℹ️ Recent review info
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Reviewing files that changed from the base of the PR and between 7680859 and adda444.
📒 Files selected for processing (2)
  • .changeset/fix-native-session-sync-reload.md
  • packages/expo/src/provider/ClerkProvider.tsx
📝 Walkthrough
Walkthrough
This PR introduces a changeset and updates the ClerkProvider component in the Expo package to fix premature sign-out calls during JavaScript reloads. The NativeSessionSync now reads the isLoaded flag from useAuth and only executes native signOut() after Clerk has completed loading its auth state, preventing sign-out invocations during initial renders where isSignedIn may still be undefined.
Estimated code review effort
🎯 2 (Simple) | ⏱️ ~10 minutes
Possibly related issues
🚥 Pre-merge checks | ✅ 5
✅ Passed checks (5 passed)
Check nameStatusExplanation
Title check✅ PassedThe title clearly and concisely summarizes the main change: fixing session loss on Expo JS reload, which directly corresponds to the primary objective of the changeset.
Description check✅ PassedThe description is comprehensive and directly related to the changeset, explaining the root cause, reproduction steps, and the implemented fix in detail.
Docstring Coverage✅ PassedDocstring coverage is 100.00% which is sufficient. The required threshold is 80.00%.
Linked Issues check✅ PassedCheck skipped because no linked issues were found for this pull request.
Out of Scope Changes check✅ PassedCheck skipped because no linked issues were found for this pull request.
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@souyahiasouyahia
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Apr 30, 2026

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@jacekradko
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from chriscaninMay 1, 2026 01:32
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Hi @souyahia , I have tested this, and it is working well.

I appreciate you creating this PR and fix, we will get this merged in and published shortly.
@chriscaninchriscanin
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May 4, 2026
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@clerk/astro
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@clerk/backend
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commit: 036703f
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Hi @souyahia , I have mirrored your commit into #8469 with you preserved as the commit author so the integration tests can run (they're gated to non-fork PRs for secret access). Closing this in favor of that one once #8469 is green. I really appreciate you tracking this down and providing a fix for this. I will let you know here when it has been published and is available in a live version, should be some time today or tomorrow morning.
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