wxt-v0.21.4 runner-v0.1.3

high risk

nari-labs/dia2Aug 11, 2026 → Aug 11, 20260 days between releases

What's New

Migrated monorepo to Bun, switched build tool to tsdown, and upgraded TypeScript to 6.0.3

Breaking Changes

  • Migrated monorepo from PNPM to Bun (package manager change).
  • Switched build tool from default to tsdown.
  • Upgraded TypeScript from 5.9.3 to 6.0.3 (major version bump).

New Features

  • Added support for Brave browser in KnownTarget type.

Improvements

  • Standardized file existence checks to use pathExists utility.
  • Simplified test suite structure.
  • Updated browser fallback configurations.
  • Added prettier-plugin-jsdoc for consistent documentation formatting.

Bug Fixes

  • Fixed debug logging to use obug utility.

Upgrade Notes

Switch package manager from PNPM to Bun and re-install dependencies. Review TypeScript configuration for breaking changes introduced by version 6.0.3. Verify build output compatibility with the new tsdown tool.

The Two Releases

wxt-v0.21.4

wxt v0.21.4

Aug 11, 2026· 2 months ago

Fixes a regression with web-ext config, replaces dependencies, and updates documentation.

Full release notes
runner-v0.1.3

@wxt-dev/runner v0.1.3

Aug 11, 2026· 2 months ago

Migrated the monorepo to Bun, switched build tool to `tsdown`, and upgraded TypeScript.

Full release notes