v0.37.1 v2.2.1
vercel-labs/agent-browserSep 8, 2026 → Sep 8, 20260 days between releases
What's New
Newer release introduces PowerShell security controls and stricter installer checks.
Breaking Changes
- GateGuard recognizes destructive PowerShell commands to prevent security risks.
- Installer rejects collisions with untracked user-owned files.
- Uninstall rejects invalid dry-run values instead of silently allowing deletion.
New Features
- GateGuard recognizes destructive PowerShell commands.
- Installer rejects collisions with untracked user-owned files.
- Guided setup revalidates previews before applying changes.
- Manual Claude installs register hook entries with atomic updates.
Improvements
- Improved installer reliability.
- Enhanced security hardening and documentation.
- Observer analysis retains observations on unsuccessful runs.
Bug Fixes
- Guided setup revalidates previews to avoid false success states.
- Uninstall respects `ECC_DRY_RUN=1` including legacy paths.
Upgrade Notes
Note: The provided release notes appear to be for different projects (v0.37.1 is agent-browser, v2.2.1 is ECC). No upgrade path exists between these versions.
The Two Releases
v0.37.1
Sep 8, 2026· 1 month ago
This release addresses desktop artifact issues specific to Windows headless Chrome by isolating the browser on a private desktop. It ensures the process tree is cleaned up correctly when the daemon exits, preventing lingering artifacts. Headed and externally connected browsers are not affected by this update.
Full release notesv2.2.1
Sep 8, 2026· 1 month ago
ECC 2.2.1 is a bug fix and security patch for v2.2.0, focusing on protecting against destructive PowerShell commands, improving installer reliability, and refining guided setup workflows.
Full release notes