Next.js Daily: Turbopack Optimizations and React Updates

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Good morning, this is Next.js Daily for February 9th, 2026.

Benjamin Woodruff merged a significant Turbopack cleanup, removing old `try_resolve` methods in favor of more efficient `ResolvedVc` alternatives. This change streamlines the codebase by splitting resolution and casting into separate calls across 25 files.

The team upgraded React from version `95ffd6cd` to `2dd9b7cf`, incorporating six upstream React changes across 64 files. This automated update keeps Next.js aligned with the latest React developments.

Robert Webb contributed his first Rust pull request, adding CSS URL attribute support including Layer, Media, and Supports for Turbopack imports. This addresses issue 88533 and brings Turbopack closer to full CSS specification compliance.

Luke Sandberg implemented inline value storage for small values of 8 bytes or less in SST files. This optimization reduces indirection overhead and improves read performance by storing small values directly in key blocks rather than separate value blocks.

Shadcn fixed font variable positioning in create-next-app templates, moving `fontName.variable` from the body to the HTML element. This ensures portalled elements receive correct fonts when using CSS root selectors.

Ben Brook resolved an AggregateError display issue where the errors property was being omitted from terminal output, restoring Node.js-compatible error formatting.

Additional maintenance included removing unused MDX remote examples, fixing E2E deployment test scripts, and adding task decomposition guidelines for AI agents.

What's next: Watch for further Turbopack performance optimizations and continued React integration improvements.

That's your Next.js update for February 9th.