'use 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 introduces enhanced prefetch configuration support and improves the handling of concurrent 'use cache' invocations. It also includes a redesign of the blocking route dev overlay and build errors, alongside removing prefetch from instant config.

This release focuses on Turbopack stability and determinism, updates the React canary version, and improves the developer experience for the 'use cache' directive. It also includes significant internal test suite refactoring and cleanup.

This release focuses on bug fixes for Pages Router metadata in React 19 and improves error handling for core functions within the 'use cache' directive.