"Next.js 15 is out! This latest version brings numerous exciting features and improvements. Some highlights include:

* Asynchronous Request APIs for future optimizations
* Caching semantics with manual enablement
* Support for React 19, including experimental features like the React Compiler and improved error handling during hydration
* Turbopack Dev for faster development performance
* A new visual indicator in development mode to highlight static routes
* Unstable_after API for tasks like logging and analytics
* Instrumentation.js API for enhanced observability
* Enhanced forms with TypeScript support
* Self-hosting improvements, including optimized image handling and automatic use of sharp
* Server actions security with unique action IDs and cleanup
* Bundling external packages for both App and Pages Routers
* ESLint 9 support for smooth transitions

Read more about the features and updates in the original article: https://dev.to/oliviarizona88/nextjs-15-3dck"

Source: https://dev.to/oliviarizona88/nextjs-15-3dck