# Introduction

Next.js 15 brings exciting new features that revolutionize how we build modern web applications. In this comprehensive guide, we'll explore the key improvements and how they can enhance your development experience.

## What's New in Next.js 15

### Enhanced App Router

The App Router continues to evolve with better performance and developer experience improvements. Key enhancements include:

- **Improved caching strategies** for better performance
- **Enhanced error handling** with more descriptive error messages
- **Better TypeScript support** with improved type inference

### Server Components Evolution

Server Components have become more powerful with:

1. **Streaming improvements** for faster page loads
2. **Better hydration** strategies
3. **Enhanced data fetching** patterns

## Getting Started

To start using Next.js 15, you can create a new project with:

```bash
npx create-next-app@latest my-app
cd my-app
npm run dev
```

## Best Practices

When working with Next.js 15, consider these best practices:

- Use Server Components by default
- Implement proper error boundaries
- Optimize your bundle size
- Follow the recommended file structure

## Conclusion

Next.js 15 represents a significant step forward in React framework evolution. The improvements in performance, developer experience, and feature set make it an excellent choice for modern web development.

Whether you're building a simple blog or a complex web application, Next.js 15 provides the tools and patterns you need to succeed.