Infinite redirect loop in NextJS development environment

Context

Infinite redirect loop in the Next.js dev environment right after logging in, with @clerk/nextjs 4.x on YOUR_HOST.

Verified resolution

Three distinct causes found in the thread: (1) a bug fixed by upgrading to @clerk/nextjs 4.21.13 (reporter). (2) The machine clock being out of sync: maintainer royanger explained to add debug:true to authMiddleware - a 'JWT issued at date claim (iat) is in the future (reason=token-not-active-yet)' message means sync the system clock/timezone with a time server; multiple reporters confirmed this fixed it. (3) A stale _clientuat cookie with a bad value of 0 (from a previous auth provider or switching subdomains) - clear cookies (reporter kachar).

In gh:clerk/javascript#1436 (https://github.com/clerk/javascript/issues/1436), the question was: Infinite redirect loop in the Next.js dev environment right after logging in, with @clerk/nextjs 4.x on YOUR_HOST. The verified resolution: Three distinct causes found in the thread: (1) a bug fixed by upgrading to @clerk/nextjs 4.21.13 (reporter). (2) The machine clock being out of sync: maintainer royanger explained to add debug:true to authMiddleware - a 'JWT issued at date claim (iat) is in the future (reason=token-not-active-yet)' message means sync the system clock/timezone with a time server; multiple reporters confirmed this fixed it.