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fix(expo): Make publishableKey prop required and remove env var fallb… - #7655

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fix(expo): Make publishableKey prop required and remove env var fallb…#7655
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Description

  • Make publishableKey a required prop since env vars in node_modules aren't inlined in production builds
  • Fixes issue reported by Kadi regarding TestFlight/Google Play crashes

https://linear.app/clerk/issue/MOBILE-393/remove-env-var-fallback-require-publishablekey-prop

Checklist

  • pnpm test runs as expected.
  • pnpm build runs as expected.
  • (If applicable) JSDoc comments have been added or updated for any package exports
  • (If applicable) Documentation has been updated

Type of change

  • 🐛 Bug fix
  • 🌟 New feature
  • 🔨 Breaking change
  • 📖 Refactoring / dependency upgrade / documentation
  • other:

Summary by CodeRabbit

  • Breaking Changes
    • The publishableKey prop on ClerkProvider is now required (was optional).
    • Environment variable fallbacks for the publishable key are removed — supply the key explicitly when configuring ClerkProvider.
    • Migration: update app initialization to pass your publishable key directly into ClerkProvider.

✏️ Tip: You can customize this high-level summary in your review settings.

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🦋 Changeset detected

Latest commit: 7cae015

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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commit: 7cae015

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📝 Walkthrough

Walkthrough

The PR makes publishableKey a required prop on ClerkProvider and removes runtime environment-variable fallbacks (EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY / CLERK_PUBLISHABLE_KEY). Initialization now uses the explicit prop value; the singleton default publishable key was changed from environment-variable fallbacks to an empty string. A changeset documents this breaking change and provides migration guidance.

🚥 Pre-merge checks | ✅ 4 | ❌ 1
❌ Failed checks (1 warning)
Check nameStatusExplanationResolution
Docstring Coverage⚠️ WarningDocstring coverage is 0.00% which is insufficient. The required threshold is 80.00%.Write docstrings for the functions missing them to satisfy the coverage threshold.
✅ Passed checks (4 passed)
Check nameStatusExplanation
Description Check✅ PassedCheck skipped - CodeRabbit’s high-level summary is enabled.
Title check✅ PassedThe title accurately summarizes the main change: making publishableKey required and removing environment variable fallbacks, which directly addresses the primary objective.
Linked Issues check✅ PassedThe pull request fully implements the MOBILE-393 objective: publishableKey is now required in ClerkProviderProps, environment variable fallbacks are removed, and the fix addresses production build crashes.
Out of Scope Changes check✅ PassedAll changes directly address MOBILE-393 requirements: ClerkProvider prop updates, environment variable fallback removal, and createClerkInstance default changes. No out-of-scope modifications detected.

✏️ Tip: You can configure your own custom pre-merge checks in the settings.

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Actionable comments posted: 0

Caution

Some comments are outside the diff and can’t be posted inline due to platform limitations.

⚠️ Outside diff range comments (1)
packages/expo/src/provider/singleton/createClerkInstance.ts (1)

30-40: Add regression tests for required publishableKey behavior.

This is a breaking change removing env fallbacks; please add/adjust tests to cover missing-key errors and instance reuse to prevent regressions before merge. As per coding guidelines, add tests for this change.

wobsoriano
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Looking good! Let's provide a clear migration instruction

chriscaninand others added 2 commits January 26, 2026 08:11
@chriscanin@wobsoriano
Update .changeset/kadi-env-var-fix.md
4a993eb
Co-authored-by: Robert Soriano <sorianorobertc@gmail.com>
@chriscanin
Merge branch 'main' into chris/mobile-393-remove-env-var-fallback-req…
7cae015
…uire-publishablekey-prop
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Actionable comments posted: 1

🤖 Fix all issues with AI agents
In @.changeset/kadi-env-var-fix.md:
- Around line 11-16: Replace the unchecked non-null assertion on
process.env.EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY by validating it before use: read
process.env.EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY into publishableKey, check that
publishableKey is defined/non-empty and if not either throw a clear error (with
context) or provide a safe fallback, and only then pass publishableKey into
<ClerkProvider> so the app won't crash at runtime; locate the usage by the
publishableKey variable and the <ClerkProvider> component to apply the check.

Comment thread.changeset/kadi-env-var-fix.md
Comment on lines +11 to +16
```tsx
const publishableKey = process.env.EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY!;

<ClerkProvider publishableKey={publishableKey}>
{/* Your app */}
</ClerkProvider>

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⚠️ Potential issue | 🔴 Critical

Add validation to prevent undefined publishableKey.

The migration example uses the non-null assertion operator (!) without validation. If EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY is not set, the app will crash—exactly the issue this PR aims to prevent.

✅ Proposed fix with proper error handling
-const publishableKey = process.env.EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY!;+const publishableKey = process.env.EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY;++if (!publishableKey) {+ throw new Error('Missing Publishable Key. Please set EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY in your .env file.');+}
<ClerkProvider publishableKey={publishableKey}>
{/* Your app */}
</ClerkProvider>
🤖 Prompt for AI Agents
In @.changeset/kadi-env-var-fix.md around lines 11 - 16, Replace the unchecked
non-null assertion on process.env.EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY by
validating it before use: read process.env.EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY
into publishableKey, check that publishableKey is defined/non-empty and if not
either throw a clear error (with context) or provide a safe fallback, and only
then pass publishableKey into <ClerkProvider> so the app won't crash at runtime;
locate the usage by the publishableKey variable and the <ClerkProvider>
component to apply the check.

@wobsoriano

wobsoriano commented Jan 27, 2026

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Awesome, thank you for fixing this!

@wobsoriano
wobsoriano merged commit cc799e6 into mainJan 27, 2026
39 of 42 checks passed
@wobsoriano
wobsoriano deleted the chris/mobile-393-remove-env-var-fallback-require-publishablekey-prop branch January 27, 2026 16:28
@chriscaninchriscanin mentioned this pull request Jan 28, 2026
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chriscanin commented Jan 28, 2026

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Hi @SarahSoutoul I realized this morning that we will need a docs update because of this change, as the docs currently show examples where the publishable key is not passed to the clerkprovider. That is now required.

Added a docs PR here:
clerk/clerk-docs#3008

@chriscaninchriscanin self-assigned this Feb 4, 2026
@jjcavallo5jjcavallo5 mentioned this pull request Feb 20, 2026
Closed
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fix(expo): Make publishableKey prop required and remove env var fallb… by chriscanin · Pull Request #7655 · clerk/javascript · GitHub
Skip to content
fix(expo): Make publishableKey prop required and remove env var fallb… - #7655
Merged
wobsoriano merged 5 commits into
mainfrom 
chris/mobile-393-remove-env-var-fallback-require-publishablekey-prop
Jan 27, 2026
Merged
fix(expo): Make publishableKey prop required and remove env var fallb…#7655
wobsoriano merged 5 commits into
mainfrom 
chris/mobile-393-remove-env-var-fallback-require-publishablekey-prop
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@chriscanin
@chriscaninchriscanin
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Jan 22, 2026•

edited by coderabbitai
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Description
  • Make publishableKey a required prop since env vars in node_modules aren't inlined in production builds
  • Fixes issue reported by Kadi regarding TestFlight/Google Play crashes
https://linear.app/clerk/issue/MOBILE-393/remove-env-var-fallback-require-publishablekey-prop
Checklist
  • pnpm test runs as expected.
  • pnpm build runs as expected.
  •  (If applicable) JSDoc comments have been added or updated for any package exports
  •  (If applicable) Documentation has been updated
Type of change
  •  🐛 Bug fix
  •  🌟 New feature
  •  🔨 Breaking change
  •  📖 Refactoring / dependency upgrade / documentation
  •  other:
Summary by CodeRabbit
  • Breaking Changes
    • The publishableKey prop on ClerkProvider is now required (was optional).
    • Environment variable fallbacks for the publishable key are removed — supply the key explicitly when configuring ClerkProvider.
    • Migration: update app initialization to pass your publishable key directly into ClerkProvider.
✏️ Tip: You can customize this high-level summary in your review settings.
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🦋 Changeset detected
Latest commit: 7cae015
The changes in this PR will be included in the next version bump.
This PR includes changesets to release 1 package
NameType
@clerk/expoMajor
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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@clerk/agent-toolkit
npm i https://pkg.pr.new/@clerk/agent-toolkit@7655

@clerk/astro
npm i https://pkg.pr.new/@clerk/astro@7655

@clerk/backend
npm i https://pkg.pr.new/@clerk/backend@7655

@clerk/chrome-extension
npm i https://pkg.pr.new/@clerk/chrome-extension@7655

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@clerk/fastify
npm i https://pkg.pr.new/@clerk/fastify@7655

@clerk/localizations
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@clerk/nextjs
npm i https://pkg.pr.new/@clerk/nextjs@7655

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npm i https://pkg.pr.new/@clerk/shared@7655

@clerk/tanstack-react-start
npm i https://pkg.pr.new/@clerk/tanstack-react-start@7655

@clerk/testing
npm i https://pkg.pr.new/@clerk/testing@7655

@clerk/ui
npm i https://pkg.pr.new/@clerk/ui@7655

@clerk/upgrade
npm i https://pkg.pr.new/@clerk/upgrade@7655

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commit: 7cae015
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📝 Walkthrough
Walkthrough
The PR makes publishableKey a required prop on ClerkProvider and removes runtime environment-variable fallbacks (EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY / CLERK_PUBLISHABLE_KEY). Initialization now uses the explicit prop value; the singleton default publishable key was changed from environment-variable fallbacks to an empty string. A changeset documents this breaking change and provides migration guidance.
🚥 Pre-merge checks | ✅ 4 | ❌ 1
❌ Failed checks (1 warning)
Check nameStatusExplanationResolution
Docstring Coverage⚠️ WarningDocstring coverage is 0.00% which is insufficient. The required threshold is 80.00%.Write docstrings for the functions missing them to satisfy the coverage threshold.
✅ Passed checks (4 passed)
Check nameStatusExplanation
Description Check✅ PassedCheck skipped - CodeRabbit’s high-level summary is enabled.
Title check✅ PassedThe title accurately summarizes the main change: making publishableKey required and removing environment variable fallbacks, which directly addresses the primary objective.
Linked Issues check✅ PassedThe pull request fully implements the MOBILE-393 objective: publishableKey is now required in ClerkProviderProps, environment variable fallbacks are removed, and the fix addresses production build crashes.
Out of Scope Changes check✅ PassedAll changes directly address MOBILE-393 requirements: ClerkProvider prop updates, environment variable fallback removal, and createClerkInstance default changes. No out-of-scope modifications detected.
✏️ 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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Actionable comments posted: 0
Caution
Some comments are outside the diff and can’t be posted inline due to platform limitations.
⚠️ Outside diff range comments (1)
packages/expo/src/provider/singleton/createClerkInstance.ts (1)
30-40: Add regression tests for required publishableKey behavior.
This is a breaking change removing env fallbacks; please add/adjust tests to cover missing-key errors and instance reuse to prevent regressions before merge. As per coding guidelines, add tests for this change.
wobsoriano
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View reviewed changes
Comment thread.changeset/kadi-env-var-fix.md
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Looking good! Let's provide a clear migration instruction
chriscaninand others
added 2 commits
January 26, 2026 08:11
@chriscanin@wobsoriano
Update .changeset/kadi-env-var-fix.md
4a993eb
Co-authored-by: Robert Soriano <sorianorobertc@gmail.com>
@chriscanin
Merge branch 'main' into chris/mobile-393-remove-env-var-fallback-req…
7cae015
…uire-publishablekey-prop
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Actionable comments posted: 1
🤖 Fix all issues with AI agents
In @.changeset/kadi-env-var-fix.md:
- Around line 11-16: Replace the unchecked non-null assertion on
process.env.EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY by validating it before use: read
process.env.EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY into publishableKey, check that
publishableKey is defined/non-empty and if not either throw a clear error (with
context) or provide a safe fallback, and only then pass publishableKey into
<ClerkProvider> so the app won't crash at runtime; locate the usage by the
publishableKey variable and the <ClerkProvider> component to apply the check.

Comment thread.changeset/kadi-env-var-fix.md

Comment on lines

+11
 to 
+16

```tsx
const publishableKey = process.env.EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY!;

<ClerkProvider publishableKey={publishableKey}>
 {/* Your app */}
</ClerkProvider>
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⚠️ Potential issue | 🔴 Critical
Add validation to prevent undefined publishableKey.
The migration example uses the non-null assertion operator (!) without validation. If EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY is not set, the app will crash—exactly the issue this PR aims to prevent.
✅ Proposed fix with proper error handling
-const publishableKey = process.env.EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY!;+const publishableKey = process.env.EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY;++if (!publishableKey) {+ throw new Error('Missing Publishable Key. Please set EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY in your .env file.');+}
<ClerkProvider publishableKey={publishableKey}>
{/* Your app */}
</ClerkProvider>
🤖 Prompt for AI Agents
In @.changeset/kadi-env-var-fix.md around lines 11 - 16, Replace the unchecked
non-null assertion on process.env.EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY by
validating it before use: read process.env.EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY
into publishableKey, check that publishableKey is defined/non-empty and if not
either throw a clear error (with context) or provide a safe fallback, and only
then pass publishableKey into <ClerkProvider> so the app won't crash at runtime;
locate the usage by the publishableKey variable and the <ClerkProvider>
component to apply the check.

@wobsoriano
wobsoriano
commented
Jan 27, 2026

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!allow-major
wobsoriano
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approved these changes
Jan 27, 2026
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Awesome, thank you for fixing this!
@wobsoriano
wobsoriano
merged commit cc799e6
into
mainJan 27, 2026

39 of 42 checks passed

@wobsoriano
wobsoriano
deleted the

chris/mobile-393-remove-env-var-fallback-require-publishablekey-prop

branch
January 27, 2026 16:28
@chriscaninchriscanin
mentioned this pull request
Jan 28, 2026
 Merged

@chriscanin
chriscanin
commented
Jan 28, 2026

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ContributorAuthor
Hi @SarahSoutoul I realized this morning that we will need a docs update because of this change, as the docs currently show examples where the publishable key is not passed to the clerkprovider. That is now required.
Added a docs PR here:
clerk/clerk-docs#3008
@chriscaninchriscanin
self-assigned this
Feb 4, 2026
@jjcavallo5jjcavallo5
mentioned this pull request
Feb 20, 2026

Closed

@chriscaninchriscanin
mentioned this pull request
May 20, 2026
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fix(expo): Make publishableKey prop required and remove env var fallb… by chriscanin · Pull Request #7655 · clerk/javascript · GitHub
Skip to content
fix(expo): Make publishableKey prop required and remove env var fallb… - #7655
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chris/mobile-393-remove-env-var-fallback-require-publishablekey-prop
Jan 27, 2026
Merged
fix(expo): Make publishableKey prop required and remove env var fallb…#7655
wobsoriano merged 5 commits into
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chris/mobile-393-remove-env-var-fallback-require-publishablekey-prop
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Description
  • Make publishableKey a required prop since env vars in node_modules aren't inlined in production builds
  • Fixes issue reported by Kadi regarding TestFlight/Google Play crashes
https://linear.app/clerk/issue/MOBILE-393/remove-env-var-fallback-require-publishablekey-prop
Checklist
  • pnpm test runs as expected.
  • pnpm build runs as expected.
  •  (If applicable) JSDoc comments have been added or updated for any package exports
  •  (If applicable) Documentation has been updated
Type of change
  •  🐛 Bug fix
  •  🌟 New feature
  •  🔨 Breaking change
  •  📖 Refactoring / dependency upgrade / documentation
  •  other:
Summary by CodeRabbit
  • Breaking Changes
    • The publishableKey prop on ClerkProvider is now required (was optional).
    • Environment variable fallbacks for the publishable key are removed — supply the key explicitly when configuring ClerkProvider.
    • Migration: update app initialization to pass your publishable key directly into ClerkProvider.
✏️ Tip: You can customize this high-level summary in your review settings.
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🦋 Changeset detected
Latest commit: 7cae015
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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📝 Walkthrough
Walkthrough
The PR makes publishableKey a required prop on ClerkProvider and removes runtime environment-variable fallbacks (EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY / CLERK_PUBLISHABLE_KEY). Initialization now uses the explicit prop value; the singleton default publishable key was changed from environment-variable fallbacks to an empty string. A changeset documents this breaking change and provides migration guidance.
🚥 Pre-merge checks | ✅ 4 | ❌ 1
❌ Failed checks (1 warning)
Check nameStatusExplanationResolution
Docstring Coverage⚠️ WarningDocstring coverage is 0.00% which is insufficient. The required threshold is 80.00%.Write docstrings for the functions missing them to satisfy the coverage threshold.
✅ Passed checks (4 passed)
Check nameStatusExplanation
Description Check✅ PassedCheck skipped - CodeRabbit’s high-level summary is enabled.
Title check✅ PassedThe title accurately summarizes the main change: making publishableKey required and removing environment variable fallbacks, which directly addresses the primary objective.
Linked Issues check✅ PassedThe pull request fully implements the MOBILE-393 objective: publishableKey is now required in ClerkProviderProps, environment variable fallbacks are removed, and the fix addresses production build crashes.
Out of Scope Changes check✅ PassedAll changes directly address MOBILE-393 requirements: ClerkProvider prop updates, environment variable fallback removal, and createClerkInstance default changes. No out-of-scope modifications detected.
✏️ Tip: You can configure your own custom pre-merge checks in the settings.
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Actionable comments posted: 0
Caution
Some comments are outside the diff and can’t be posted inline due to platform limitations.
⚠️ Outside diff range comments (1)
packages/expo/src/provider/singleton/createClerkInstance.ts (1)
30-40: Add regression tests for required publishableKey behavior.
This is a breaking change removing env fallbacks; please add/adjust tests to cover missing-key errors and instance reuse to prevent regressions before merge. As per coding guidelines, add tests for this change.
wobsoriano
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Comment thread.changeset/kadi-env-var-fix.md
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Looking good! Let's provide a clear migration instruction
chriscaninand others
added 2 commits
January 26, 2026 08:11
@chriscanin@wobsoriano
Update .changeset/kadi-env-var-fix.md
4a993eb
Co-authored-by: Robert Soriano <sorianorobertc@gmail.com>
@chriscanin
Merge branch 'main' into chris/mobile-393-remove-env-var-fallback-req…
7cae015
…uire-publishablekey-prop
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Actionable comments posted: 1
🤖 Fix all issues with AI agents
In @.changeset/kadi-env-var-fix.md:
- Around line 11-16: Replace the unchecked non-null assertion on
process.env.EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY by validating it before use: read
process.env.EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY into publishableKey, check that
publishableKey is defined/non-empty and if not either throw a clear error (with
context) or provide a safe fallback, and only then pass publishableKey into
<ClerkProvider> so the app won't crash at runtime; locate the usage by the
publishableKey variable and the <ClerkProvider> component to apply the check.

Comment thread.changeset/kadi-env-var-fix.md

Comment on lines

+11
 to 
+16

```tsx
const publishableKey = process.env.EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY!;

<ClerkProvider publishableKey={publishableKey}>
 {/* Your app */}
</ClerkProvider>
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⚠️ Potential issue | 🔴 Critical
Add validation to prevent undefined publishableKey.
The migration example uses the non-null assertion operator (!) without validation. If EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY is not set, the app will crash—exactly the issue this PR aims to prevent.
✅ Proposed fix with proper error handling
-const publishableKey = process.env.EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY!;+const publishableKey = process.env.EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY;++if (!publishableKey) {+ throw new Error('Missing Publishable Key. Please set EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY in your .env file.');+}
<ClerkProvider publishableKey={publishableKey}>
{/* Your app */}
</ClerkProvider>
🤖 Prompt for AI Agents
In @.changeset/kadi-env-var-fix.md around lines 11 - 16, Replace the unchecked
non-null assertion on process.env.EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY by
validating it before use: read process.env.EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY
into publishableKey, check that publishableKey is defined/non-empty and if not
either throw a clear error (with context) or provide a safe fallback, and only
then pass publishableKey into <ClerkProvider> so the app won't crash at runtime;
locate the usage by the publishableKey variable and the <ClerkProvider>
component to apply the check.

@wobsoriano
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Awesome, thank you for fixing this!
@wobsoriano
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merged commit cc799e6
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January 27, 2026 16:28
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Jan 28, 2026
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@chriscanin
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Hi @SarahSoutoul I realized this morning that we will need a docs update because of this change, as the docs currently show examples where the publishable key is not passed to the clerkprovider. That is now required.
Added a docs PR here:
clerk/clerk-docs#3008
@chriscaninchriscanin
self-assigned this
Feb 4, 2026
@jjcavallo5jjcavallo5
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Feb 20, 2026

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try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
fix(expo): Make publishableKey prop required and remove env var fallb… by chriscanin · Pull Request #7655 · clerk/javascript · GitHub
Skip to content
fix(expo): Make publishableKey prop required and remove env var fallb… - #7655
Merged
wobsoriano merged 5 commits into
mainfrom 
chris/mobile-393-remove-env-var-fallback-require-publishablekey-prop
Jan 27, 2026
Merged
fix(expo): Make publishableKey prop required and remove env var fallb…#7655
wobsoriano merged 5 commits into
mainfrom 
chris/mobile-393-remove-env-var-fallback-require-publishablekey-prop
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Jan 22, 2026•

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Description
  • Make publishableKey a required prop since env vars in node_modules aren't inlined in production builds
  • Fixes issue reported by Kadi regarding TestFlight/Google Play crashes
https://linear.app/clerk/issue/MOBILE-393/remove-env-var-fallback-require-publishablekey-prop
Checklist
  • pnpm test runs as expected.
  • pnpm build runs as expected.
  •  (If applicable) JSDoc comments have been added or updated for any package exports
  •  (If applicable) Documentation has been updated
Type of change
  •  🐛 Bug fix
  •  🌟 New feature
  •  🔨 Breaking change
  •  📖 Refactoring / dependency upgrade / documentation
  •  other:
Summary by CodeRabbit
  • Breaking Changes
    • The publishableKey prop on ClerkProvider is now required (was optional).
    • Environment variable fallbacks for the publishable key are removed — supply the key explicitly when configuring ClerkProvider.
    • Migration: update app initialization to pass your publishable key directly into ClerkProvider.
✏️ Tip: You can customize this high-level summary in your review settings.
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🦋 Changeset detected
Latest commit: 7cae015
The changes in this PR will be included in the next version bump.
This PR includes changesets to release 1 package
NameType
@clerk/expoMajor
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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@clerk/agent-toolkit
npm i https://pkg.pr.new/@clerk/agent-toolkit@7655

@clerk/astro
npm i https://pkg.pr.new/@clerk/astro@7655

@clerk/backend
npm i https://pkg.pr.new/@clerk/backend@7655

@clerk/chrome-extension
npm i https://pkg.pr.new/@clerk/chrome-extension@7655

@clerk/clerk-js
npm i https://pkg.pr.new/@clerk/clerk-js@7655

@clerk/dev-cli
npm i https://pkg.pr.new/@clerk/dev-cli@7655

@clerk/expo
npm i https://pkg.pr.new/@clerk/expo@7655

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@clerk/express
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@clerk/react-router
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@clerk/tanstack-react-start
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@clerk/testing
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@clerk/ui
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@clerk/upgrade
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@clerk/vue
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commit: 7cae015
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📝 Walkthrough
Walkthrough
The PR makes publishableKey a required prop on ClerkProvider and removes runtime environment-variable fallbacks (EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY / CLERK_PUBLISHABLE_KEY). Initialization now uses the explicit prop value; the singleton default publishable key was changed from environment-variable fallbacks to an empty string. A changeset documents this breaking change and provides migration guidance.
🚥 Pre-merge checks | ✅ 4 | ❌ 1
❌ Failed checks (1 warning)
Check nameStatusExplanationResolution
Docstring Coverage⚠️ WarningDocstring coverage is 0.00% which is insufficient. The required threshold is 80.00%.Write docstrings for the functions missing them to satisfy the coverage threshold.
✅ Passed checks (4 passed)
Check nameStatusExplanation
Description Check✅ PassedCheck skipped - CodeRabbit’s high-level summary is enabled.
Title check✅ PassedThe title accurately summarizes the main change: making publishableKey required and removing environment variable fallbacks, which directly addresses the primary objective.
Linked Issues check✅ PassedThe pull request fully implements the MOBILE-393 objective: publishableKey is now required in ClerkProviderProps, environment variable fallbacks are removed, and the fix addresses production build crashes.
Out of Scope Changes check✅ PassedAll changes directly address MOBILE-393 requirements: ClerkProvider prop updates, environment variable fallback removal, and createClerkInstance default changes. No out-of-scope modifications detected.
✏️ 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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Actionable comments posted: 0
Caution
Some comments are outside the diff and can’t be posted inline due to platform limitations.
⚠️ Outside diff range comments (1)
packages/expo/src/provider/singleton/createClerkInstance.ts (1)
30-40: Add regression tests for required publishableKey behavior.
This is a breaking change removing env fallbacks; please add/adjust tests to cover missing-key errors and instance reuse to prevent regressions before merge. As per coding guidelines, add tests for this change.
wobsoriano
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Jan 23, 2026
View reviewed changes
Comment thread.changeset/kadi-env-var-fix.md
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Looking good! Let's provide a clear migration instruction
chriscaninand others
added 2 commits
January 26, 2026 08:11
@chriscanin@wobsoriano
Update .changeset/kadi-env-var-fix.md
4a993eb
Co-authored-by: Robert Soriano <sorianorobertc@gmail.com>
@chriscanin
Merge branch 'main' into chris/mobile-393-remove-env-var-fallback-req…
7cae015
…uire-publishablekey-prop
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Actionable comments posted: 1
🤖 Fix all issues with AI agents
In @.changeset/kadi-env-var-fix.md:
- Around line 11-16: Replace the unchecked non-null assertion on
process.env.EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY by validating it before use: read
process.env.EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY into publishableKey, check that
publishableKey is defined/non-empty and if not either throw a clear error (with
context) or provide a safe fallback, and only then pass publishableKey into
<ClerkProvider> so the app won't crash at runtime; locate the usage by the
publishableKey variable and the <ClerkProvider> component to apply the check.

Comment thread.changeset/kadi-env-var-fix.md

Comment on lines

+11
 to 
+16

```tsx
const publishableKey = process.env.EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY!;

<ClerkProvider publishableKey={publishableKey}>
 {/* Your app */}
</ClerkProvider>
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⚠️ Potential issue | 🔴 Critical
Add validation to prevent undefined publishableKey.
The migration example uses the non-null assertion operator (!) without validation. If EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY is not set, the app will crash—exactly the issue this PR aims to prevent.
✅ Proposed fix with proper error handling
-const publishableKey = process.env.EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY!;+const publishableKey = process.env.EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY;++if (!publishableKey) {+ throw new Error('Missing Publishable Key. Please set EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY in your .env file.');+}
<ClerkProvider publishableKey={publishableKey}>
{/* Your app */}
</ClerkProvider>
🤖 Prompt for AI Agents
In @.changeset/kadi-env-var-fix.md around lines 11 - 16, Replace the unchecked
non-null assertion on process.env.EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY by
validating it before use: read process.env.EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY
into publishableKey, check that publishableKey is defined/non-empty and if not
either throw a clear error (with context) or provide a safe fallback, and only
then pass publishableKey into <ClerkProvider> so the app won't crash at runtime;
locate the usage by the publishableKey variable and the <ClerkProvider>
component to apply the check.

@wobsoriano
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Jan 27, 2026

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Awesome, thank you for fixing this!
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Hi @SarahSoutoul I realized this morning that we will need a docs update because of this change, as the docs currently show examples where the publishable key is not passed to the clerkprovider. That is now required.
Added a docs PR here:
clerk/clerk-docs#3008
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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'];
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" + '
fix(expo): Make publishableKey prop required and remove env var fallb… by chriscanin · Pull Request #7655 · clerk/javascript · GitHub
Skip to content
fix(expo): Make publishableKey prop required and remove env var fallb… - #7655
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fix(expo): Make publishableKey prop required and remove env var fallb…#7655
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chris/mobile-393-remove-env-var-fallback-require-publishablekey-prop
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Description
  • Make publishableKey a required prop since env vars in node_modules aren't inlined in production builds
  • Fixes issue reported by Kadi regarding TestFlight/Google Play crashes
https://linear.app/clerk/issue/MOBILE-393/remove-env-var-fallback-require-publishablekey-prop
Checklist
  • pnpm test runs as expected.
  • pnpm build runs as expected.
  •  (If applicable) JSDoc comments have been added or updated for any package exports
  •  (If applicable) Documentation has been updated
Type of change
  •  🐛 Bug fix
  •  🌟 New feature
  •  🔨 Breaking change
  •  📖 Refactoring / dependency upgrade / documentation
  •  other:
Summary by CodeRabbit
  • Breaking Changes
    • The publishableKey prop on ClerkProvider is now required (was optional).
    • Environment variable fallbacks for the publishable key are removed — supply the key explicitly when configuring ClerkProvider.
    • Migration: update app initialization to pass your publishable key directly into ClerkProvider.
✏️ Tip: You can customize this high-level summary in your review settings.
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🦋 Changeset detected
Latest commit: 7cae015
The changes in this PR will be included in the next version bump.
This PR includes changesets to release 1 package
NameType
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📝 Walkthrough
Walkthrough
The PR makes publishableKey a required prop on ClerkProvider and removes runtime environment-variable fallbacks (EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY / CLERK_PUBLISHABLE_KEY). Initialization now uses the explicit prop value; the singleton default publishable key was changed from environment-variable fallbacks to an empty string. A changeset documents this breaking change and provides migration guidance.
🚥 Pre-merge checks | ✅ 4 | ❌ 1
❌ Failed checks (1 warning)
Check nameStatusExplanationResolution
Docstring Coverage⚠️ WarningDocstring coverage is 0.00% which is insufficient. The required threshold is 80.00%.Write docstrings for the functions missing them to satisfy the coverage threshold.
✅ Passed checks (4 passed)
Check nameStatusExplanation
Description Check✅ PassedCheck skipped - CodeRabbit’s high-level summary is enabled.
Title check✅ PassedThe title accurately summarizes the main change: making publishableKey required and removing environment variable fallbacks, which directly addresses the primary objective.
Linked Issues check✅ PassedThe pull request fully implements the MOBILE-393 objective: publishableKey is now required in ClerkProviderProps, environment variable fallbacks are removed, and the fix addresses production build crashes.
Out of Scope Changes check✅ PassedAll changes directly address MOBILE-393 requirements: ClerkProvider prop updates, environment variable fallback removal, and createClerkInstance default changes. No out-of-scope modifications detected.
✏️ Tip: You can configure your own custom pre-merge checks in the settings.
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Actionable comments posted: 0
Caution
Some comments are outside the diff and can’t be posted inline due to platform limitations.
⚠️ Outside diff range comments (1)
packages/expo/src/provider/singleton/createClerkInstance.ts (1)
30-40: Add regression tests for required publishableKey behavior.
This is a breaking change removing env fallbacks; please add/adjust tests to cover missing-key errors and instance reuse to prevent regressions before merge. As per coding guidelines, add tests for this change.
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Comment thread.changeset/kadi-env-var-fix.md
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Looking good! Let's provide a clear migration instruction
chriscaninand others
added 2 commits
January 26, 2026 08:11
@chriscanin@wobsoriano
Update .changeset/kadi-env-var-fix.md
4a993eb
Co-authored-by: Robert Soriano <sorianorobertc@gmail.com>
@chriscanin
Merge branch 'main' into chris/mobile-393-remove-env-var-fallback-req…
7cae015
…uire-publishablekey-prop
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Actionable comments posted: 1
🤖 Fix all issues with AI agents
In @.changeset/kadi-env-var-fix.md:
- Around line 11-16: Replace the unchecked non-null assertion on
process.env.EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY by validating it before use: read
process.env.EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY into publishableKey, check that
publishableKey is defined/non-empty and if not either throw a clear error (with
context) or provide a safe fallback, and only then pass publishableKey into
<ClerkProvider> so the app won't crash at runtime; locate the usage by the
publishableKey variable and the <ClerkProvider> component to apply the check.

Comment thread.changeset/kadi-env-var-fix.md

Comment on lines

+11
 to 
+16

```tsx
const publishableKey = process.env.EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY!;

<ClerkProvider publishableKey={publishableKey}>
 {/* Your app */}
</ClerkProvider>
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⚠️ Potential issue | 🔴 Critical
Add validation to prevent undefined publishableKey.
The migration example uses the non-null assertion operator (!) without validation. If EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY is not set, the app will crash—exactly the issue this PR aims to prevent.
✅ Proposed fix with proper error handling
-const publishableKey = process.env.EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY!;+const publishableKey = process.env.EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY;++if (!publishableKey) {+ throw new Error('Missing Publishable Key. Please set EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY in your .env file.');+}
<ClerkProvider publishableKey={publishableKey}>
{/* Your app */}
</ClerkProvider>
🤖 Prompt for AI Agents
In @.changeset/kadi-env-var-fix.md around lines 11 - 16, Replace the unchecked
non-null assertion on process.env.EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY by
validating it before use: read process.env.EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY
into publishableKey, check that publishableKey is defined/non-empty and if not
either throw a clear error (with context) or provide a safe fallback, and only
then pass publishableKey into <ClerkProvider> so the app won't crash at runtime;
locate the usage by the publishableKey variable and the <ClerkProvider>
component to apply the check.

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Awesome, thank you for fixing this!
@wobsoriano
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merged commit cc799e6
into
mainJan 27, 2026

39 of 42 checks passed

@wobsoriano
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chris/mobile-393-remove-env-var-fallback-require-publishablekey-prop

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January 27, 2026 16:28
@chriscaninchriscanin
mentioned this pull request
Jan 28, 2026
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Hi @SarahSoutoul I realized this morning that we will need a docs update because of this change, as the docs currently show examples where the publishable key is not passed to the clerkprovider. That is now required.
Added a docs PR here:
clerk/clerk-docs#3008
@chriscaninchriscanin
self-assigned this
Feb 4, 2026
@jjcavallo5jjcavallo5
mentioned this pull request
Feb 20, 2026

Closed

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mentioned this pull request
May 20, 2026
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, '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('^' + ".*" + '
fix(expo): Make publishableKey prop required and remove env var fallb… by chriscanin · Pull Request #7655 · clerk/javascript · GitHub
Skip to content
fix(expo): Make publishableKey prop required and remove env var fallb… - #7655
Merged
wobsoriano merged 5 commits into
mainfrom 
chris/mobile-393-remove-env-var-fallback-require-publishablekey-prop
Jan 27, 2026
Merged
fix(expo): Make publishableKey prop required and remove env var fallb…#7655
wobsoriano merged 5 commits into
mainfrom 
chris/mobile-393-remove-env-var-fallback-require-publishablekey-prop
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@chriscanin
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Jan 22, 2026•

edited by coderabbitai
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Description
  • Make publishableKey a required prop since env vars in node_modules aren't inlined in production builds
  • Fixes issue reported by Kadi regarding TestFlight/Google Play crashes
https://linear.app/clerk/issue/MOBILE-393/remove-env-var-fallback-require-publishablekey-prop
Checklist
  • pnpm test runs as expected.
  • pnpm build runs as expected.
  •  (If applicable) JSDoc comments have been added or updated for any package exports
  •  (If applicable) Documentation has been updated
Type of change
  •  🐛 Bug fix
  •  🌟 New feature
  •  🔨 Breaking change
  •  📖 Refactoring / dependency upgrade / documentation
  •  other:
Summary by CodeRabbit
  • Breaking Changes
    • The publishableKey prop on ClerkProvider is now required (was optional).
    • Environment variable fallbacks for the publishable key are removed — supply the key explicitly when configuring ClerkProvider.
    • Migration: update app initialization to pass your publishable key directly into ClerkProvider.
✏️ Tip: You can customize this high-level summary in your review settings.
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🦋 Changeset detected
Latest commit: 7cae015
The changes in this PR will be included in the next version bump.
This PR includes changesets to release 1 package
NameType
@clerk/expoMajor
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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@clerk/agent-toolkit
npm i https://pkg.pr.new/@clerk/agent-toolkit@7655

@clerk/astro
npm i https://pkg.pr.new/@clerk/astro@7655

@clerk/backend
npm i https://pkg.pr.new/@clerk/backend@7655

@clerk/chrome-extension
npm i https://pkg.pr.new/@clerk/chrome-extension@7655

@clerk/clerk-js
npm i https://pkg.pr.new/@clerk/clerk-js@7655

@clerk/dev-cli
npm i https://pkg.pr.new/@clerk/dev-cli@7655

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@clerk/nextjs
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@clerk/nuxt
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@clerk/react
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@clerk/react-router
npm i https://pkg.pr.new/@clerk/react-router@7655

@clerk/shared
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@clerk/tanstack-react-start
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@clerk/testing
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@clerk/ui
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@clerk/upgrade
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@clerk/vue
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commit: 7cae015
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📝 Walkthrough
Walkthrough
The PR makes publishableKey a required prop on ClerkProvider and removes runtime environment-variable fallbacks (EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY / CLERK_PUBLISHABLE_KEY). Initialization now uses the explicit prop value; the singleton default publishable key was changed from environment-variable fallbacks to an empty string. A changeset documents this breaking change and provides migration guidance.
🚥 Pre-merge checks | ✅ 4 | ❌ 1
❌ Failed checks (1 warning)
Check nameStatusExplanationResolution
Docstring Coverage⚠️ WarningDocstring coverage is 0.00% which is insufficient. The required threshold is 80.00%.Write docstrings for the functions missing them to satisfy the coverage threshold.
✅ Passed checks (4 passed)
Check nameStatusExplanation
Description Check✅ PassedCheck skipped - CodeRabbit’s high-level summary is enabled.
Title check✅ PassedThe title accurately summarizes the main change: making publishableKey required and removing environment variable fallbacks, which directly addresses the primary objective.
Linked Issues check✅ PassedThe pull request fully implements the MOBILE-393 objective: publishableKey is now required in ClerkProviderProps, environment variable fallbacks are removed, and the fix addresses production build crashes.
Out of Scope Changes check✅ PassedAll changes directly address MOBILE-393 requirements: ClerkProvider prop updates, environment variable fallback removal, and createClerkInstance default changes. No out-of-scope modifications detected.
✏️ 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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Actionable comments posted: 0
Caution
Some comments are outside the diff and can’t be posted inline due to platform limitations.
⚠️ Outside diff range comments (1)
packages/expo/src/provider/singleton/createClerkInstance.ts (1)
30-40: Add regression tests for required publishableKey behavior.
This is a breaking change removing env fallbacks; please add/adjust tests to cover missing-key errors and instance reuse to prevent regressions before merge. As per coding guidelines, add tests for this change.
wobsoriano
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reviewed
Jan 23, 2026
View reviewed changes
Comment thread.changeset/kadi-env-var-fix.md
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Looking good! Let's provide a clear migration instruction
chriscaninand others
added 2 commits
January 26, 2026 08:11
@chriscanin@wobsoriano
Update .changeset/kadi-env-var-fix.md
4a993eb
Co-authored-by: Robert Soriano <sorianorobertc@gmail.com>
@chriscanin
Merge branch 'main' into chris/mobile-393-remove-env-var-fallback-req…
7cae015
…uire-publishablekey-prop
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Actionable comments posted: 1
🤖 Fix all issues with AI agents
In @.changeset/kadi-env-var-fix.md:
- Around line 11-16: Replace the unchecked non-null assertion on
process.env.EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY by validating it before use: read
process.env.EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY into publishableKey, check that
publishableKey is defined/non-empty and if not either throw a clear error (with
context) or provide a safe fallback, and only then pass publishableKey into
<ClerkProvider> so the app won't crash at runtime; locate the usage by the
publishableKey variable and the <ClerkProvider> component to apply the check.

Comment thread.changeset/kadi-env-var-fix.md

Comment on lines

+11
 to 
+16

```tsx
const publishableKey = process.env.EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY!;

<ClerkProvider publishableKey={publishableKey}>
 {/* Your app */}
</ClerkProvider>
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⚠️ Potential issue | 🔴 Critical
Add validation to prevent undefined publishableKey.
The migration example uses the non-null assertion operator (!) without validation. If EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY is not set, the app will crash—exactly the issue this PR aims to prevent.
✅ Proposed fix with proper error handling
-const publishableKey = process.env.EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY!;+const publishableKey = process.env.EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY;++if (!publishableKey) {+ throw new Error('Missing Publishable Key. Please set EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY in your .env file.');+}
<ClerkProvider publishableKey={publishableKey}>
{/* Your app */}
</ClerkProvider>
🤖 Prompt for AI Agents
In @.changeset/kadi-env-var-fix.md around lines 11 - 16, Replace the unchecked
non-null assertion on process.env.EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY by
validating it before use: read process.env.EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY
into publishableKey, check that publishableKey is defined/non-empty and if not
either throw a clear error (with context) or provide a safe fallback, and only
then pass publishableKey into <ClerkProvider> so the app won't crash at runtime;
locate the usage by the publishableKey variable and the <ClerkProvider>
component to apply the check.

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Awesome, thank you for fixing this!
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Hi @SarahSoutoul I realized this morning that we will need a docs update because of this change, as the docs currently show examples where the publishable key is not passed to the clerkprovider. That is now required.
Added a docs PR here:
clerk/clerk-docs#3008
@chriscaninchriscanin
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function unstick() {
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fix(expo): Make publishableKey prop required and remove env var fallb… by chriscanin · Pull Request #7655 · clerk/javascript · GitHub
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fix(expo): Make publishableKey prop required and remove env var fallb… - #7655
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fix(expo): Make publishableKey prop required and remove env var fallb…#7655
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Description
  • Make publishableKey a required prop since env vars in node_modules aren't inlined in production builds
  • Fixes issue reported by Kadi regarding TestFlight/Google Play crashes
https://linear.app/clerk/issue/MOBILE-393/remove-env-var-fallback-require-publishablekey-prop
Checklist
  • pnpm test runs as expected.
  • pnpm build runs as expected.
  •  (If applicable) JSDoc comments have been added or updated for any package exports
  •  (If applicable) Documentation has been updated
Type of change
  •  🐛 Bug fix
  •  🌟 New feature
  •  🔨 Breaking change
  •  📖 Refactoring / dependency upgrade / documentation
  •  other:
Summary by CodeRabbit
  • Breaking Changes
    • The publishableKey prop on ClerkProvider is now required (was optional).
    • Environment variable fallbacks for the publishable key are removed — supply the key explicitly when configuring ClerkProvider.
    • Migration: update app initialization to pass your publishable key directly into ClerkProvider.
✏️ Tip: You can customize this high-level summary in your review settings.
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🦋 Changeset detected
Latest commit: 7cae015
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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📝 Walkthrough
Walkthrough
The PR makes publishableKey a required prop on ClerkProvider and removes runtime environment-variable fallbacks (EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY / CLERK_PUBLISHABLE_KEY). Initialization now uses the explicit prop value; the singleton default publishable key was changed from environment-variable fallbacks to an empty string. A changeset documents this breaking change and provides migration guidance.
🚥 Pre-merge checks | ✅ 4 | ❌ 1
❌ Failed checks (1 warning)
Check nameStatusExplanationResolution
Docstring Coverage⚠️ WarningDocstring coverage is 0.00% which is insufficient. The required threshold is 80.00%.Write docstrings for the functions missing them to satisfy the coverage threshold.
✅ Passed checks (4 passed)
Check nameStatusExplanation
Description Check✅ PassedCheck skipped - CodeRabbit’s high-level summary is enabled.
Title check✅ PassedThe title accurately summarizes the main change: making publishableKey required and removing environment variable fallbacks, which directly addresses the primary objective.
Linked Issues check✅ PassedThe pull request fully implements the MOBILE-393 objective: publishableKey is now required in ClerkProviderProps, environment variable fallbacks are removed, and the fix addresses production build crashes.
Out of Scope Changes check✅ PassedAll changes directly address MOBILE-393 requirements: ClerkProvider prop updates, environment variable fallback removal, and createClerkInstance default changes. No out-of-scope modifications detected.
✏️ Tip: You can configure your own custom pre-merge checks in the settings.
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Actionable comments posted: 0
Caution
Some comments are outside the diff and can’t be posted inline due to platform limitations.
⚠️ Outside diff range comments (1)
packages/expo/src/provider/singleton/createClerkInstance.ts (1)
30-40: Add regression tests for required publishableKey behavior.
This is a breaking change removing env fallbacks; please add/adjust tests to cover missing-key errors and instance reuse to prevent regressions before merge. As per coding guidelines, add tests for this change.
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Looking good! Let's provide a clear migration instruction
chriscaninand others
added 2 commits
January 26, 2026 08:11
@chriscanin@wobsoriano
Update .changeset/kadi-env-var-fix.md
4a993eb
Co-authored-by: Robert Soriano <sorianorobertc@gmail.com>
@chriscanin
Merge branch 'main' into chris/mobile-393-remove-env-var-fallback-req…
7cae015
…uire-publishablekey-prop
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Actionable comments posted: 1
🤖 Fix all issues with AI agents
In @.changeset/kadi-env-var-fix.md:
- Around line 11-16: Replace the unchecked non-null assertion on
process.env.EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY by validating it before use: read
process.env.EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY into publishableKey, check that
publishableKey is defined/non-empty and if not either throw a clear error (with
context) or provide a safe fallback, and only then pass publishableKey into
<ClerkProvider> so the app won't crash at runtime; locate the usage by the
publishableKey variable and the <ClerkProvider> component to apply the check.

Comment thread.changeset/kadi-env-var-fix.md

Comment on lines

+11
 to 
+16

```tsx
const publishableKey = process.env.EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY!;

<ClerkProvider publishableKey={publishableKey}>
 {/* Your app */}
</ClerkProvider>
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⚠️ Potential issue | 🔴 Critical
Add validation to prevent undefined publishableKey.
The migration example uses the non-null assertion operator (!) without validation. If EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY is not set, the app will crash—exactly the issue this PR aims to prevent.
✅ Proposed fix with proper error handling
-const publishableKey = process.env.EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY!;+const publishableKey = process.env.EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY;++if (!publishableKey) {+ throw new Error('Missing Publishable Key. Please set EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY in your .env file.');+}
<ClerkProvider publishableKey={publishableKey}>
{/* Your app */}
</ClerkProvider>
🤖 Prompt for AI Agents
In @.changeset/kadi-env-var-fix.md around lines 11 - 16, Replace the unchecked
non-null assertion on process.env.EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY by
validating it before use: read process.env.EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY
into publishableKey, check that publishableKey is defined/non-empty and if not
either throw a clear error (with context) or provide a safe fallback, and only
then pass publishableKey into <ClerkProvider> so the app won't crash at runtime;
locate the usage by the publishableKey variable and the <ClerkProvider>
component to apply the check.

@wobsoriano
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Awesome, thank you for fixing this!
@wobsoriano
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merged commit cc799e6
into
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39 of 42 checks passed

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January 27, 2026 16:28
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ContributorAuthor
Hi @SarahSoutoul I realized this morning that we will need a docs update because of this change, as the docs currently show examples where the publishable key is not passed to the clerkprovider. That is now required.
Added a docs PR here:
clerk/clerk-docs#3008
@chriscaninchriscanin
self-assigned this
Feb 4, 2026
@jjcavallo5jjcavallo5
mentioned this pull request
Feb 20, 2026

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fix(expo): Make publishableKey prop required and remove env var fallb… by chriscanin · Pull Request #7655 · clerk/javascript · GitHub
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fix(expo): Make publishableKey prop required and remove env var fallb… - #7655
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fix(expo): Make publishableKey prop required and remove env var fallb…#7655
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Description
  • Make publishableKey a required prop since env vars in node_modules aren't inlined in production builds
  • Fixes issue reported by Kadi regarding TestFlight/Google Play crashes
https://linear.app/clerk/issue/MOBILE-393/remove-env-var-fallback-require-publishablekey-prop
Checklist
  • pnpm test runs as expected.
  • pnpm build runs as expected.
  •  (If applicable) JSDoc comments have been added or updated for any package exports
  •  (If applicable) Documentation has been updated
Type of change
  •  🐛 Bug fix
  •  🌟 New feature
  •  🔨 Breaking change
  •  📖 Refactoring / dependency upgrade / documentation
  •  other:
Summary by CodeRabbit
  • Breaking Changes
    • The publishableKey prop on ClerkProvider is now required (was optional).
    • Environment variable fallbacks for the publishable key are removed — supply the key explicitly when configuring ClerkProvider.
    • Migration: update app initialization to pass your publishable key directly into ClerkProvider.
✏️ Tip: You can customize this high-level summary in your review settings.
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🦋 Changeset detected
Latest commit: 7cae015
The changes in this PR will be included in the next version bump.
This PR includes changesets to release 1 package
NameType
@clerk/expoMajor
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📝 Walkthrough
Walkthrough
The PR makes publishableKey a required prop on ClerkProvider and removes runtime environment-variable fallbacks (EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY / CLERK_PUBLISHABLE_KEY). Initialization now uses the explicit prop value; the singleton default publishable key was changed from environment-variable fallbacks to an empty string. A changeset documents this breaking change and provides migration guidance.
🚥 Pre-merge checks | ✅ 4 | ❌ 1
❌ Failed checks (1 warning)
Check nameStatusExplanationResolution
Docstring Coverage⚠️ WarningDocstring coverage is 0.00% which is insufficient. The required threshold is 80.00%.Write docstrings for the functions missing them to satisfy the coverage threshold.
✅ Passed checks (4 passed)
Check nameStatusExplanation
Description Check✅ PassedCheck skipped - CodeRabbit’s high-level summary is enabled.
Title check✅ PassedThe title accurately summarizes the main change: making publishableKey required and removing environment variable fallbacks, which directly addresses the primary objective.
Linked Issues check✅ PassedThe pull request fully implements the MOBILE-393 objective: publishableKey is now required in ClerkProviderProps, environment variable fallbacks are removed, and the fix addresses production build crashes.
Out of Scope Changes check✅ PassedAll changes directly address MOBILE-393 requirements: ClerkProvider prop updates, environment variable fallback removal, and createClerkInstance default changes. No out-of-scope modifications detected.
✏️ Tip: You can configure your own custom pre-merge checks in the settings.
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Actionable comments posted: 0
Caution
Some comments are outside the diff and can’t be posted inline due to platform limitations.
⚠️ Outside diff range comments (1)
packages/expo/src/provider/singleton/createClerkInstance.ts (1)
30-40: Add regression tests for required publishableKey behavior.
This is a breaking change removing env fallbacks; please add/adjust tests to cover missing-key errors and instance reuse to prevent regressions before merge. As per coding guidelines, add tests for this change.
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Looking good! Let's provide a clear migration instruction
chriscaninand others
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January 26, 2026 08:11
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Update .changeset/kadi-env-var-fix.md
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Co-authored-by: Robert Soriano <sorianorobertc@gmail.com>
@chriscanin
Merge branch 'main' into chris/mobile-393-remove-env-var-fallback-req…
7cae015
…uire-publishablekey-prop
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Actionable comments posted: 1
🤖 Fix all issues with AI agents
In @.changeset/kadi-env-var-fix.md:
- Around line 11-16: Replace the unchecked non-null assertion on
process.env.EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY by validating it before use: read
process.env.EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY into publishableKey, check that
publishableKey is defined/non-empty and if not either throw a clear error (with
context) or provide a safe fallback, and only then pass publishableKey into
<ClerkProvider> so the app won't crash at runtime; locate the usage by the
publishableKey variable and the <ClerkProvider> component to apply the check.

Comment thread.changeset/kadi-env-var-fix.md

Comment on lines

+11
 to 
+16

```tsx
const publishableKey = process.env.EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY!;

<ClerkProvider publishableKey={publishableKey}>
 {/* Your app */}
</ClerkProvider>
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⚠️ Potential issue | 🔴 Critical
Add validation to prevent undefined publishableKey.
The migration example uses the non-null assertion operator (!) without validation. If EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY is not set, the app will crash—exactly the issue this PR aims to prevent.
✅ Proposed fix with proper error handling
-const publishableKey = process.env.EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY!;+const publishableKey = process.env.EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY;++if (!publishableKey) {+ throw new Error('Missing Publishable Key. Please set EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY in your .env file.');+}
<ClerkProvider publishableKey={publishableKey}>
{/* Your app */}
</ClerkProvider>
🤖 Prompt for AI Agents
In @.changeset/kadi-env-var-fix.md around lines 11 - 16, Replace the unchecked
non-null assertion on process.env.EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY by
validating it before use: read process.env.EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY
into publishableKey, check that publishableKey is defined/non-empty and if not
either throw a clear error (with context) or provide a safe fallback, and only
then pass publishableKey into <ClerkProvider> so the app won't crash at runtime;
locate the usage by the publishableKey variable and the <ClerkProvider>
component to apply the check.

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Awesome, thank you for fixing this!
@wobsoriano
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January 27, 2026 16:28
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Hi @SarahSoutoul I realized this morning that we will need a docs update because of this change, as the docs currently show examples where the publishable key is not passed to the clerkprovider. That is now required.
Added a docs PR here:
clerk/clerk-docs#3008
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Feb 4, 2026
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