Clerk auth with API Keys beta (Dec 2025), Next.js 16 proxy.ts (March 2025 CVE context), API version 2025-11-10 breaking changes, clerkMiddleware() options, webhooks, production considerations (GCP outages), and component reference. Prevents 15 documented errors. Use when: API keys for users/orgs, Next.js 16 middleware filename, troubleshooting JWKS/CSRF/JWT/token-type-mismatch errors, webhook verification, user type inconsistencies, or testing with 424242 OTP.
- Initial public release with comprehensive guide for Clerk authentication. - Introduces API Keys beta (Dec 2025) supporting user/org-scoped API keys, with CRUD UI component and backend verification patterns. - Details breaking changes for Next.js 16: new proxy.ts middleware filename (replacing middleware.ts) due to March 2025 CVE; Clerk v6.35.0+ required. - Covers API version 2025-11-10 breaking changes (Nov 2025) impacting billing endpoints, field terminology, and response structure. - Documents new features: force password reset, organization analytics filters, PKCE for custom OAuth, and automatic credential stuffing defense. - Includes updated error prevention, webhook verification, and best practices for production setups and middleware configuration.