TLDR Tech / Dev
Clerk Core 3: redesigned hooks, smaller bundles, agent-ready APIs
Clerk Core 3 ships today. Redesigned useSignIn, useSignUp, and useCheckout hooks with cleaner state management, ~50KB bundle savings, satelliteAutoSync to eliminate unnecessary handshake redirects, and keyless mode now extended to TanStack Start, Astro, and React Router. Run the upgrade CLI and read the full release.
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