Clerk Auth - Breaking Changes & Error Prevention Guide

Package Versions: @clerk/nextjs@6.35.4, @clerk/backend@2.23.2, @clerk/clerk-react@5.56.2, @clerk/testing@1.13.18 Breaking Changes: Nov 2025 - API version 2025-11-10, Oct 2024 - Next.js v6 async auth() Last Updated: 2025-11-22

What's New in v6.35.x & API 2025-11-10 (Nov 2025)

1. API Version 2025-11-10 (Nov 10, 2025) - BREAKING CHANGES ⚠️

Affects: Applications using Clerk Billing/Commerce APIs