0.16.5 v2.2.0

medium risk

vercel-labs/agent-browserAug 27, 2026 → Aug 28, 20261 day between releases

What's New

The provided notes describe two unrelated projects (Ruff and ECC) rather than versions of agent-browser.

Breaking Changes

  • Ruff: Allow rules without codes (may break existing configs relying on codes)

New Features

  • Ruff: Category selectors for rule management
  • Ruff: Detect timezone-safe strptime chains (DTZ007)
  • ECC: Unified guided installer for Claude Code, Codex, and Kimi
  • ECC: Nasiko CLI bridge for agent lifecycle management
  • ECC: Native Antigravity 2.0 support

Improvements

  • Ruff: Fixed duplicated 'of' in ClientOptions doc comment
  • ECC: Stricter release pipeline requiring lifecycle tests on all three OSes
  • ECC: Downloads are content-addressed and SHA-256 verified

Bug Fixes

  • Ruff: Fixed detection of blocking generic HTTP requests (ASYNC210)
  • Ruff: Fixed datetime parsing issues (DTZ007)
  • Ruff: Fixed lambda default side effects (SIM401)

Upgrade Notes

N/A (The provided notes describe different software projects, Ruff and ECC).

The Two Releases

0.16.5

0.16.5

Aug 27, 2026· 2 months ago

Introduces significant architectural changes such as allowing rules without codes and introducing category selectors, alongside bug fixes for async detection and datetime parsing.

Full release notes
v2.2.0

ECC 2.2.0: Guided Setup, Antigravity 2.0, and the Nasiko CLI Bridge

Aug 28, 2026· 2 months ago

ECC 2.2 introduces a unified guided installer for multiple AI tools, native Antigravity 2.0 support, and an experimental Nasiko CLI bridge for agent lifecycle management.

Full release notes