unstable_cache

This release includes several bug fixes and improvements for Turbopack, next/image, and various routing and caching mechanisms. It also includes backported fixes for stability and performance.

This release includes various bug fixes, performance improvements, and documentation updates. Notably, it enforces body size limits for Server Actions in the Edge runtime and preserves basePath in redirect destinations.

This release introduces an enhancement to cache signal handling during foreground revalidation and fixes an issue with encoding non-ASCII characters in cache tags.

Next.js 16 introduces Turbopack as the default development engine, adds Model Context Protocol (MCP) support, and enforces asynchronous access to Dynamic APIs. It also transitions ESLint to Flat Config by default and increases the default image cache TTL.

This release focuses on backporting critical bug fixes for ISR revalidation and typed routes, while introducing a new experimental middleware body size limit and deprecating Runtime configuration.

Next.js 16 beta introduces Turbopack as the default development bundler, enables router scroll optimizations by default, and adds a Model Context Protocol (MCP) server for enhanced devtools integration.

This release introduces a breaking change making Flat Config the default for the Next.js ESLint plugin and includes critical fixes for unstable_cache revalidation and Rspack regex handling.

This release updates the React dependency to a newer experimental version and provides documentation clarifications for the unstable_cache function.