@biomejs/biome@2.5.11 spec/v0.9.0

high risk

jianchang512/pyvideotransAug 27, 2026 → Aug 28, 20261 day between releases

What's New

Specification update introduces automation protocols and removes session forking and error codes.

Breaking Changes

  • Removed `error` from `changeset/contentChanged`.
  • Removed session-level forking in favor of chat forking.
  • `ContentNotFound` is no longer an exported error code.

New Features

  • Added automation catalogue and automation-run channels.
  • Turn errors are now durable response parts.
  • Added host extension capabilities via `_meta`.

Improvements

  • Annotations now carry an `origin` field.
  • Renamed `creationFailed` to `failed` lifecycle state.
  • Terminal state now uses explicit `running`/`exited` lifecycle.

Upgrade Notes

Update code handling `changeset/contentChanged` errors, migrate from session-level forking to chat forking, and update imports for `ContentNotFound`.

The Two Releases

@biomejs/biome@2.5.11

Biome CLI v2.5.11

Aug 27, 2026· 2 months ago

A patch release that improves Vue and CSS linting accuracy and introduces a security rule to prevent XSS in Astro templates.

Full release notes
spec/v0.9.0

AHP Spec v0.9.0

Aug 28, 2026· 2 months ago

Specification update for AHP 0.9.0 defining new automation protocols and error handling mechanisms.

Full release notes