April 2, 2025

Subject: Temporal-polyfill v0.3.0; TC39 February meeting; V8 Turbofan; Rspack 1.3; Vitest 3.1.0; pnpm 10.7; Babel 7.27.0

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temporal-polyfill v0.3.0: support for the latest version of the API (2024-07)

github.com github.com/arshaw github.com/fullcalendar

Summary of the February 2025 TC39 plenary

blogs.igalia.com @igalia@floss.social

V8’s Turbofan: from Sea of Nodes to control-flow graphs

v8.dev github.com/v8

New versions

Rspack 1.3: circular dependency detection, bundling HTTP imports and more

rspack.dev github.com/web-infra-dev

Highlights:
  • Circular dependency detection
  • Bundling HTTP imports
  • Lazy compilation improvements
  • Support for AMD
  • Performance improvements

Vitest 3.1.0: hide output from passing tests and more

github.com @vitest@webtoo.ls

pnpm 10.7: use env variables in pnpm-workspace.yaml, patch dependencies by version ranges, and more

github.com @pnpm@fosstodon.org

Babel 7.27.0: better ecosystem alignment

babeljs.io @babeljs@fosstodon.org

“This release doesn’t include any significant new feature, but it better aligns Babel’s behavior with standard JavaScript and other tools.”
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