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Vercel•June 29, 2026
Turbopack in Next.js 16.3
Open Source
Next.js
Turbopack
Performance
Development Tools
### TL;DR
Turbopack, the Rust-based bundler for Next.js, has been enhanced in version 16.3 to improve performance and developer experience. Key updates include significant reductions in development server memory usage, persistent file system caching for faster builds, experimental support for the Rust React Compiler, and the introduction of the `import.meta.glob` API for dynamic module imports.
Key Insights & Metrics
Pricing
Free
Cost structure
Version
16.3
Current release version
Hardware
Standard development environment
Compute requirements
Category
Open Source
Licensing model
Region
United States
Primary region
Key Features
- Reduced development server memory usage by up to 90%
- Persistent file system cache for faster builds
- Experimental Rust React Compiler support
- `import.meta.glob` API support
- Faster Hot Module Replacement (HMR) and development startup
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