Next.js 15.5Next.js 15.5 includes Turbopack builds in beta, stable Node.js middleware, TypeScript improvements, next lint deprecation, and deprecation warnings for Next.js 16. Highlights for this release include: Turbopack Builds (beta): Production turbopack builds (next build --turbopack) now in beta Node.js Middleware (stable): Node.js runtime support for middleware is now stable TypeScript Improvements: Ty
