Next.js Self-Hosting Cache and Deployment Invalidation Issues

Developers self-hosting Next.js applications face severe caching and cache invalidation issues during server restarts and deployments. Specifically, PPR pages lose cache or serve stale RSC payloads after 'next start' restarts, browser-side SWR caching leads to mixed payload fetches and HTTP 500 crashes after redeploys, and non-atomic deployments leave stale route-cache entries that break static asset loading.

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