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@clerk/expo v3: useSignIn().isLoaded stays false forever in iOS Simulator (Expo SDK 55) #8236

Closed
Closed
@clerk/expo v3: useSignIn().isLoaded stays false forever in iOS Simulator (Expo SDK 55)#8236
Assignees
chriscanin

Description

@charian47
charian47
opened on Apr 4, 2026

After migrating from @clerk/clerk-expo v2.19.25 to @clerk/expo v3.1.5, useSignIn().isLoaded and useSignUp().isLoaded never become true in the iOS Simulator. Auth works perfectly on physical devices (iPhone 17 Pro, iOS 26).

Environment

ComponentVersion
@clerk/expo3.1.5
Expo SDK55.0.6
React Native0.83.2
React19.2.0
Simulator deviceiPhone 16e
Simulator iOS26.3
Xcode26.4 (Build 17E192)
macOSDarwin 25.4.0
Physical device (works)iPhone 17 Pro, iOS 26

@clerk/expo is added to the app.json plugins array. Build output confirms: ✅ Clerk iOS plugin loaded.

What we verified

  • Network works:curl from the simulator to the Clerk API (https://<instance>.clerk.accounts.dev/v1/environment) returns the full environment config successfully.
  • Publishable key is valid: Test mode key, confirmed via API response.
  • Plugin loads: Build output shows ✅ Clerk iOS plugin loaded.
  • Physical device works: Same code, same key — auth works perfectly on iPhone 17 Pro.
  • Not a timing issue: We polled isLoaded for 15+ seconds (30 attempts at 500ms). It never becomes true. The client from useClientContext() is permanently null.
  • Worked with v2:@clerk/clerk-expo v2.19.25 worked in the same simulator environment.

Steps to reproduce

  1. Create an Expo app with @clerk/expo v3 and add it to app.json plugins
  2. Build and run in iOS Simulator via npx expo run:ios
  3. Navigate to a screen using useSignIn() or useSignUp()
  4. Check isLoaded — it stays false forever

Expected behavior

isLoaded should become true after Clerk initializes, as it does on physical devices.

Additional context

The configureNativeClerk() function in ClerkProvider.js silently swallows errors when the native module fails — the debug logging is compiled out with if (false) guards (lines 92, 130, 153, 162, 168). This makes it extremely hard to diagnose what's going wrong during initialization. Even adding a 15-second polling timeout doesn't help because the client is never populated, not just delayed.

This may be related to previously closed issues #1584 and #3563, but those were closed/locked and this is specific to @clerk/expo v3 on iOS Simulator.

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    , 'i'); if (__m === '*' || __re.test(location.href)) { // Add copy buttons to all 
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function addCopyButtons() {
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btn.textContent = 'Copied!';
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})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '
@clerk/expo v3: useSignIn().isLoaded stays false forever in iOS Simulator (Expo SDK 55) · Issue #8236 · clerk/javascript · GitHub
    Skip to content
    @clerk/expo v3: useSignIn().isLoaded stays false forever in iOS Simulator (Expo SDK 55) #8236
    Closed
    Closed
    @clerk/expo v3: useSignIn().isLoaded stays false forever in iOS Simulator (Expo SDK 55)#8236
    Assignees
    chriscanin
    Description
    @charian47
    charian47
    opened on Apr 4, 2026
    After migrating from @clerk/clerk-expo v2.19.25 to @clerk/expo v3.1.5, useSignIn().isLoaded and useSignUp().isLoaded never become true in the iOS Simulator. Auth works perfectly on physical devices (iPhone 17 Pro, iOS 26).
    Environment
    ComponentVersion
    @clerk/expo3.1.5
    Expo SDK55.0.6
    React Native0.83.2
    React19.2.0
    Simulator deviceiPhone 16e
    Simulator iOS26.3
    Xcode26.4 (Build 17E192)
    macOSDarwin 25.4.0
    Physical device (works)iPhone 17 Pro, iOS 26
    @clerk/expo is added to the app.json plugins array. Build output confirms: ✅ Clerk iOS plugin loaded.
    What we verified
    • Network works:curl from the simulator to the Clerk API (https://<instance>.clerk.accounts.dev/v1/environment) returns the full environment config successfully.
    • Publishable key is valid: Test mode key, confirmed via API response.
    • Plugin loads: Build output shows ✅ Clerk iOS plugin loaded.
    • Physical device works: Same code, same key — auth works perfectly on iPhone 17 Pro.
    • Not a timing issue: We polled isLoaded for 15+ seconds (30 attempts at 500ms). It never becomes true. The client from useClientContext() is permanently null.
    • Worked with v2:@clerk/clerk-expo v2.19.25 worked in the same simulator environment.
    Steps to reproduce
    1. Create an Expo app with @clerk/expo v3 and add it to app.json plugins
    2. Build and run in iOS Simulator via npx expo run:ios
    3. Navigate to a screen using useSignIn() or useSignUp()
    4. Check isLoaded — it stays false forever
    Expected behavior
    isLoaded should become true after Clerk initializes, as it does on physical devices.
    Additional context
    The configureNativeClerk() function in ClerkProvider.js silently swallows errors when the native module fails — the debug logging is compiled out with if (false) guards (lines 92, 130, 153, 162, 168). This makes it extremely hard to diagnose what's going wrong during initialization. Even adding a 15-second polling timeout doesn't help because the client is never populated, not just delayed.
    This may be related to previously closed issues #1584 and #3563, but those were closed/locked and this is specific to @clerk/expo v3 on iOS Simulator.
    Metadata
    Metadata
    Assignees
    Labels
    No labels
    No labels
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    No type
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    No projects
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      No milestone
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      None yet
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      No branches or pull requests
      Issue actions
      
, 'i');
if (__m === '*' || __re.test(location.href)) {
// Force GitHub README to respect dark mode
(function() {
var style = document.createElement('style');
style.textContent = '
.markdown-body {
color-scheme: dark light;
}
.markdown-body pre { background: #161b22 !important; }
.markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }
.markdown-body table th, .markdown-body table td { border-color: #30363d !important; }
.markdown-body img { background: #0d1117; }
.markdown-body blockquote { border-left-color: #8b949e; }
.markdown-body hr { border-color: #30363d; }
';
document.head.appendChild(style);
})();
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
@clerk/expo v3: useSignIn().isLoaded stays false forever in iOS Simulator (Expo SDK 55) · Issue #8236 · clerk/javascript · GitHub
      Skip to content
      @clerk/expo v3: useSignIn().isLoaded stays false forever in iOS Simulator (Expo SDK 55) #8236
      Closed
      Closed
      @clerk/expo v3: useSignIn().isLoaded stays false forever in iOS Simulator (Expo SDK 55)#8236
      Assignees
      chriscanin
      Description
      @charian47
      charian47
      opened on Apr 4, 2026
      After migrating from @clerk/clerk-expo v2.19.25 to @clerk/expo v3.1.5, useSignIn().isLoaded and useSignUp().isLoaded never become true in the iOS Simulator. Auth works perfectly on physical devices (iPhone 17 Pro, iOS 26).
      Environment
      ComponentVersion
      @clerk/expo3.1.5
      Expo SDK55.0.6
      React Native0.83.2
      React19.2.0
      Simulator deviceiPhone 16e
      Simulator iOS26.3
      Xcode26.4 (Build 17E192)
      macOSDarwin 25.4.0
      Physical device (works)iPhone 17 Pro, iOS 26
      @clerk/expo is added to the app.json plugins array. Build output confirms: ✅ Clerk iOS plugin loaded.
      What we verified
      • Network works:curl from the simulator to the Clerk API (https://<instance>.clerk.accounts.dev/v1/environment) returns the full environment config successfully.
      • Publishable key is valid: Test mode key, confirmed via API response.
      • Plugin loads: Build output shows ✅ Clerk iOS plugin loaded.
      • Physical device works: Same code, same key — auth works perfectly on iPhone 17 Pro.
      • Not a timing issue: We polled isLoaded for 15+ seconds (30 attempts at 500ms). It never becomes true. The client from useClientContext() is permanently null.
      • Worked with v2:@clerk/clerk-expo v2.19.25 worked in the same simulator environment.
      Steps to reproduce
      1. Create an Expo app with @clerk/expo v3 and add it to app.json plugins
      2. Build and run in iOS Simulator via npx expo run:ios
      3. Navigate to a screen using useSignIn() or useSignUp()
      4. Check isLoaded — it stays false forever
      Expected behavior
      isLoaded should become true after Clerk initializes, as it does on physical devices.
      Additional context
      The configureNativeClerk() function in ClerkProvider.js silently swallows errors when the native module fails — the debug logging is compiled out with if (false) guards (lines 92, 130, 153, 162, 168). This makes it extremely hard to diagnose what's going wrong during initialization. Even adding a 15-second polling timeout doesn't help because the client is never populated, not just delayed.
      This may be related to previously closed issues #1584 and #3563, but those were closed/locked and this is specific to @clerk/expo v3 on iOS Simulator.
      Metadata
      Metadata
      Assignees
      Labels
      No labels
      No labels
      Type
      No type
      Projects
      No projects
        Milestone
        No milestone
        Relationships
        None yet
        Development
        No branches or pull requests
        Issue actions
        
, 'i');
if (__m === '*' || __re.test(location.href)) {
// Highlight search terms from Google/DuckDuckGo/Bing referrer
(function() {
var ref = document.referrer;
var terms = [];
if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {
var url = new URL(ref);
var q = url.searchParams.get('q') || url.searchParams.get('p');
if (q) {
terms = q.split(/\s+/).filter(function(t) { return t.length > 2; });
}
}
if (terms.length === 0) return;
var style = document.createElement('style');
style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';
document.head.appendChild(style);
function highlight(node) {
if (node.nodeType === 3) { // text node
var text = node.textContent;
var found = false;
terms.forEach(function(term) {
var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\]\\]/g, '\\') + ')', 'gi');
if (regex.test(text)) {
found = true;
var frag = document.createDocumentFragment();
var parts = text.split(regex);
parts.forEach(function(part, i) {
if (i % 2 === 0) {
frag.appendChild(document.createTextNode(part));
} else {
var span = document.createElement('span');
span.className = 'userscript-highlight';
span.textContent = part;
frag.appendChild(span);
}
});
node.parentNode.replaceChild(frag, node);
}
});
} else if (node.nodeType === 1 && node.childNodes) { // element
var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];
if (!skipTags.includes(node.tagName)) {
Array.from(node.childNodes).forEach(highlight);
}
}
}
highlight(document.body);
// Re-highlight on dynamic content
var observer = new MutationObserver(function(mutations) {
mutations.forEach(function(m) {
m.addedNodes.forEach(function(node) {
if (node.nodeType === 1 || node.nodeType === 3) highlight(node);
});
});
});
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
@clerk/expo v3: useSignIn().isLoaded stays false forever in iOS Simulator (Expo SDK 55) · Issue #8236 · clerk/javascript · GitHub
        Skip to content
        @clerk/expo v3: useSignIn().isLoaded stays false forever in iOS Simulator (Expo SDK 55) #8236
        Closed
        Closed
        @clerk/expo v3: useSignIn().isLoaded stays false forever in iOS Simulator (Expo SDK 55)#8236
        Assignees
        chriscanin
        Description
        @charian47
        charian47
        opened on Apr 4, 2026
        After migrating from @clerk/clerk-expo v2.19.25 to @clerk/expo v3.1.5, useSignIn().isLoaded and useSignUp().isLoaded never become true in the iOS Simulator. Auth works perfectly on physical devices (iPhone 17 Pro, iOS 26).
        Environment
        ComponentVersion
        @clerk/expo3.1.5
        Expo SDK55.0.6
        React Native0.83.2
        React19.2.0
        Simulator deviceiPhone 16e
        Simulator iOS26.3
        Xcode26.4 (Build 17E192)
        macOSDarwin 25.4.0
        Physical device (works)iPhone 17 Pro, iOS 26
        @clerk/expo is added to the app.json plugins array. Build output confirms: ✅ Clerk iOS plugin loaded.
        What we verified
        • Network works:curl from the simulator to the Clerk API (https://<instance>.clerk.accounts.dev/v1/environment) returns the full environment config successfully.
        • Publishable key is valid: Test mode key, confirmed via API response.
        • Plugin loads: Build output shows ✅ Clerk iOS plugin loaded.
        • Physical device works: Same code, same key — auth works perfectly on iPhone 17 Pro.
        • Not a timing issue: We polled isLoaded for 15+ seconds (30 attempts at 500ms). It never becomes true. The client from useClientContext() is permanently null.
        • Worked with v2:@clerk/clerk-expo v2.19.25 worked in the same simulator environment.
        Steps to reproduce
        1. Create an Expo app with @clerk/expo v3 and add it to app.json plugins
        2. Build and run in iOS Simulator via npx expo run:ios
        3. Navigate to a screen using useSignIn() or useSignUp()
        4. Check isLoaded — it stays false forever
        Expected behavior
        isLoaded should become true after Clerk initializes, as it does on physical devices.
        Additional context
        The configureNativeClerk() function in ClerkProvider.js silently swallows errors when the native module fails — the debug logging is compiled out with if (false) guards (lines 92, 130, 153, 162, 168). This makes it extremely hard to diagnose what's going wrong during initialization. Even adding a 15-second polling timeout doesn't help because the client is never populated, not just delayed.
        This may be related to previously closed issues #1584 and #3563, but those were closed/locked and this is specific to @clerk/expo v3 on iOS Simulator.
        Metadata
        Metadata
        Assignees
        Labels
        No labels
        No labels
        Type
        No type
        Projects
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          No milestone
          Relationships
          None yet
          Development
          No branches or pull requests
          Issue actions
          
, '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'];
function cleanUrl(url) {
try {
var u = new URL(url, window.location.origin);
var changed = false;
trackingParams.forEach(function(p) {
if (u.searchParams.has(p)) {
u.searchParams.delete(p);
changed = true;
}
});
return changed ? u.toString() : url;
} catch (e) {
return url;
}
}
function cleanLinks() {
document.querySelectorAll('a[href]').forEach(function(a) {
var clean = cleanUrl(a.href);
if (clean !== a.href) a.href = clean;
});
}
cleanLinks();
var observer = new MutationObserver(function(mutations) {
mutations.forEach(function(m) {
m.addedNodes.forEach(function(node) {
if (node.nodeType === 1) {
if (node.tagName === 'A') cleanLinks();
node.querySelectorAll('a[href]').forEach(function(a) {
var clean = cleanUrl(a.href);
if (clean !== a.href) a.href = clean;
});
}
});
});
});
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '
@clerk/expo v3: useSignIn().isLoaded stays false forever in iOS Simulator (Expo SDK 55) · Issue #8236 · clerk/javascript · GitHub
          Skip to content
          @clerk/expo v3: useSignIn().isLoaded stays false forever in iOS Simulator (Expo SDK 55) #8236
          Closed
          Closed
          @clerk/expo v3: useSignIn().isLoaded stays false forever in iOS Simulator (Expo SDK 55)#8236
          Assignees
          chriscanin
          Description
          @charian47
          charian47
          opened on Apr 4, 2026
          After migrating from @clerk/clerk-expo v2.19.25 to @clerk/expo v3.1.5, useSignIn().isLoaded and useSignUp().isLoaded never become true in the iOS Simulator. Auth works perfectly on physical devices (iPhone 17 Pro, iOS 26).
          Environment
          ComponentVersion
          @clerk/expo3.1.5
          Expo SDK55.0.6
          React Native0.83.2
          React19.2.0
          Simulator deviceiPhone 16e
          Simulator iOS26.3
          Xcode26.4 (Build 17E192)
          macOSDarwin 25.4.0
          Physical device (works)iPhone 17 Pro, iOS 26
          @clerk/expo is added to the app.json plugins array. Build output confirms: ✅ Clerk iOS plugin loaded.
          What we verified
          • Network works:curl from the simulator to the Clerk API (https://<instance>.clerk.accounts.dev/v1/environment) returns the full environment config successfully.
          • Publishable key is valid: Test mode key, confirmed via API response.
          • Plugin loads: Build output shows ✅ Clerk iOS plugin loaded.
          • Physical device works: Same code, same key — auth works perfectly on iPhone 17 Pro.
          • Not a timing issue: We polled isLoaded for 15+ seconds (30 attempts at 500ms). It never becomes true. The client from useClientContext() is permanently null.
          • Worked with v2:@clerk/clerk-expo v2.19.25 worked in the same simulator environment.
          Steps to reproduce
          1. Create an Expo app with @clerk/expo v3 and add it to app.json plugins
          2. Build and run in iOS Simulator via npx expo run:ios
          3. Navigate to a screen using useSignIn() or useSignUp()
          4. Check isLoaded — it stays false forever
          Expected behavior
          isLoaded should become true after Clerk initializes, as it does on physical devices.
          Additional context
          The configureNativeClerk() function in ClerkProvider.js silently swallows errors when the native module fails — the debug logging is compiled out with if (false) guards (lines 92, 130, 153, 162, 168). This makes it extremely hard to diagnose what's going wrong during initialization. Even adding a 15-second polling timeout doesn't help because the client is never populated, not just delayed.
          This may be related to previously closed issues #1584 and #3563, but those were closed/locked and this is specific to @clerk/expo v3 on iOS Simulator.
          Metadata
          Metadata
          Assignees
          Labels
          No labels
          No labels
          Type
          No type
          Projects
          No projects
            Milestone
            No milestone
            Relationships
            None yet
            Development
            No branches or pull requests
            Issue actions
            
, 'i');
if (__m === '*' || __re.test(location.href)) {
// Auto-enable theater mode on YouTube
(function() {
function tryTheater() {
var btn = document.querySelector('button[aria-label="Theater mode"], ytd-player #player button[title="Theater mode"]');
if (btn && !btn.classList.contains('activated')) {
btn.click();
}
}
// Try immediately
tryTheater();
// Try after navigation (SPA)
var lastUrl = location.href;
setInterval(function() {
if (location.href !== lastUrl) {
lastUrl = location.href;
setTimeout(tryTheater, 500);
}
}, 1000);
// Also try on player load
var observer = new MutationObserver(tryTheater);
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
@clerk/expo v3: useSignIn().isLoaded stays false forever in iOS Simulator (Expo SDK 55) · Issue #8236 · clerk/javascript · GitHub
            Skip to content
            @clerk/expo v3: useSignIn().isLoaded stays false forever in iOS Simulator (Expo SDK 55) #8236
            Closed
            Closed
            @clerk/expo v3: useSignIn().isLoaded stays false forever in iOS Simulator (Expo SDK 55)#8236
            Assignees
            chriscanin
            Description
            @charian47
            charian47
            opened on Apr 4, 2026
            After migrating from @clerk/clerk-expo v2.19.25 to @clerk/expo v3.1.5, useSignIn().isLoaded and useSignUp().isLoaded never become true in the iOS Simulator. Auth works perfectly on physical devices (iPhone 17 Pro, iOS 26).
            Environment
            ComponentVersion
            @clerk/expo3.1.5
            Expo SDK55.0.6
            React Native0.83.2
            React19.2.0
            Simulator deviceiPhone 16e
            Simulator iOS26.3
            Xcode26.4 (Build 17E192)
            macOSDarwin 25.4.0
            Physical device (works)iPhone 17 Pro, iOS 26
            @clerk/expo is added to the app.json plugins array. Build output confirms: ✅ Clerk iOS plugin loaded.
            What we verified
            • Network works:curl from the simulator to the Clerk API (https://<instance>.clerk.accounts.dev/v1/environment) returns the full environment config successfully.
            • Publishable key is valid: Test mode key, confirmed via API response.
            • Plugin loads: Build output shows ✅ Clerk iOS plugin loaded.
            • Physical device works: Same code, same key — auth works perfectly on iPhone 17 Pro.
            • Not a timing issue: We polled isLoaded for 15+ seconds (30 attempts at 500ms). It never becomes true. The client from useClientContext() is permanently null.
            • Worked with v2:@clerk/clerk-expo v2.19.25 worked in the same simulator environment.
            Steps to reproduce
            1. Create an Expo app with @clerk/expo v3 and add it to app.json plugins
            2. Build and run in iOS Simulator via npx expo run:ios
            3. Navigate to a screen using useSignIn() or useSignUp()
            4. Check isLoaded — it stays false forever
            Expected behavior
            isLoaded should become true after Clerk initializes, as it does on physical devices.
            Additional context
            The configureNativeClerk() function in ClerkProvider.js silently swallows errors when the native module fails — the debug logging is compiled out with if (false) guards (lines 92, 130, 153, 162, 168). This makes it extremely hard to diagnose what's going wrong during initialization. Even adding a 15-second polling timeout doesn't help because the client is never populated, not just delayed.
            This may be related to previously closed issues #1584 and #3563, but those were closed/locked and this is specific to @clerk/expo v3 on iOS Simulator.
            Metadata
            Metadata
            Assignees
            Labels
            No labels
            No labels
            Type
            No type
            Projects
            No projects
              Milestone
              No milestone
              Relationships
              None yet
              Development
              No branches or pull requests
              Issue actions
              
, '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';
}
});
}
unstick();
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('^' + ".*" + '
@clerk/expo v3: useSignIn().isLoaded stays false forever in iOS Simulator (Expo SDK 55) · Issue #8236 · clerk/javascript · GitHub
              Skip to content
              @clerk/expo v3: useSignIn().isLoaded stays false forever in iOS Simulator (Expo SDK 55) #8236
              Closed
              Closed
              @clerk/expo v3: useSignIn().isLoaded stays false forever in iOS Simulator (Expo SDK 55)#8236
              Assignees
              chriscanin
              Description
              @charian47
              charian47
              opened on Apr 4, 2026
              After migrating from @clerk/clerk-expo v2.19.25 to @clerk/expo v3.1.5, useSignIn().isLoaded and useSignUp().isLoaded never become true in the iOS Simulator. Auth works perfectly on physical devices (iPhone 17 Pro, iOS 26).
              Environment
              ComponentVersion
              @clerk/expo3.1.5
              Expo SDK55.0.6
              React Native0.83.2
              React19.2.0
              Simulator deviceiPhone 16e
              Simulator iOS26.3
              Xcode26.4 (Build 17E192)
              macOSDarwin 25.4.0
              Physical device (works)iPhone 17 Pro, iOS 26
              @clerk/expo is added to the app.json plugins array. Build output confirms: ✅ Clerk iOS plugin loaded.
              What we verified
              • Network works:curl from the simulator to the Clerk API (https://<instance>.clerk.accounts.dev/v1/environment) returns the full environment config successfully.
              • Publishable key is valid: Test mode key, confirmed via API response.
              • Plugin loads: Build output shows ✅ Clerk iOS plugin loaded.
              • Physical device works: Same code, same key — auth works perfectly on iPhone 17 Pro.
              • Not a timing issue: We polled isLoaded for 15+ seconds (30 attempts at 500ms). It never becomes true. The client from useClientContext() is permanently null.
              • Worked with v2:@clerk/clerk-expo v2.19.25 worked in the same simulator environment.
              Steps to reproduce
              1. Create an Expo app with @clerk/expo v3 and add it to app.json plugins
              2. Build and run in iOS Simulator via npx expo run:ios
              3. Navigate to a screen using useSignIn() or useSignUp()
              4. Check isLoaded — it stays false forever
              Expected behavior
              isLoaded should become true after Clerk initializes, as it does on physical devices.
              Additional context
              The configureNativeClerk() function in ClerkProvider.js silently swallows errors when the native module fails — the debug logging is compiled out with if (false) guards (lines 92, 130, 153, 162, 168). This makes it extremely hard to diagnose what's going wrong during initialization. Even adding a 15-second polling timeout doesn't help because the client is never populated, not just delayed.
              This may be related to previously closed issues #1584 and #3563, but those were closed/locked and this is specific to @clerk/expo v3 on iOS Simulator.
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, 'i');
if (__m === '*' || __re.test(location.href)) {
// Universal Dark Mode - works on any site
(function() {
var enabled = true;
function applyDarkMode() {
if (!enabled) return;
// Create style element if it doesn't exist
var style = document.getElementById('universal-dark-mode-style');
if (!style) {
style = document.createElement('style');
style.id = 'universal-dark-mode-style';
document.head.appendChild(style);
}
// Dark mode CSS - inverts colors but preserves images/video
style.textContent = '
/* Invert everything except media */
html {
filter: invert(1) hue-rotate(180deg) !important;
background: #1a1a2e !important;
}
/* Restore images, videos, iframes, canvas */
img, video, iframe, canvas, svg, picture, [style*="background-image"] {
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); }
})();
})();
@clerk/expo v3: useSignIn().isLoaded stays false forever in iOS Simulator (Expo SDK 55) · Issue #8236 · clerk/javascript · GitHub
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                @clerk/expo v3: useSignIn().isLoaded stays false forever in iOS Simulator (Expo SDK 55) #8236
                Closed
                Closed
                @clerk/expo v3: useSignIn().isLoaded stays false forever in iOS Simulator (Expo SDK 55)#8236
                Assignees
                chriscanin
                Description
                @charian47
                charian47
                opened on Apr 4, 2026
                After migrating from @clerk/clerk-expo v2.19.25 to @clerk/expo v3.1.5, useSignIn().isLoaded and useSignUp().isLoaded never become true in the iOS Simulator. Auth works perfectly on physical devices (iPhone 17 Pro, iOS 26).
                Environment
                ComponentVersion
                @clerk/expo3.1.5
                Expo SDK55.0.6
                React Native0.83.2
                React19.2.0
                Simulator deviceiPhone 16e
                Simulator iOS26.3
                Xcode26.4 (Build 17E192)
                macOSDarwin 25.4.0
                Physical device (works)iPhone 17 Pro, iOS 26
                @clerk/expo is added to the app.json plugins array. Build output confirms: ✅ Clerk iOS plugin loaded.
                What we verified
                • Network works:curl from the simulator to the Clerk API (https://<instance>.clerk.accounts.dev/v1/environment) returns the full environment config successfully.
                • Publishable key is valid: Test mode key, confirmed via API response.
                • Plugin loads: Build output shows ✅ Clerk iOS plugin loaded.
                • Physical device works: Same code, same key — auth works perfectly on iPhone 17 Pro.
                • Not a timing issue: We polled isLoaded for 15+ seconds (30 attempts at 500ms). It never becomes true. The client from useClientContext() is permanently null.
                • Worked with v2:@clerk/clerk-expo v2.19.25 worked in the same simulator environment.
                Steps to reproduce
                1. Create an Expo app with @clerk/expo v3 and add it to app.json plugins
                2. Build and run in iOS Simulator via npx expo run:ios
                3. Navigate to a screen using useSignIn() or useSignUp()
                4. Check isLoaded — it stays false forever
                Expected behavior
                isLoaded should become true after Clerk initializes, as it does on physical devices.
                Additional context
                The configureNativeClerk() function in ClerkProvider.js silently swallows errors when the native module fails — the debug logging is compiled out with if (false) guards (lines 92, 130, 153, 162, 168). This makes it extremely hard to diagnose what's going wrong during initialization. Even adding a 15-second polling timeout doesn't help because the client is never populated, not just delayed.
                This may be related to previously closed issues #1584 and #3563, but those were closed/locked and this is specific to @clerk/expo v3 on iOS Simulator.
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