0.13.1

Mail-0/Zero0.13.1Jun 10, 2026by gregpr07

AI Summary

This release adds support for Claude Fable 5 and improves tool environment handling within the agent.

Key Highlights

Support for Claude Fable 5
Auto tool choice when thinking (cannot force it)
Fixed packaged agent tools environment

New Features

Claude Fable 5 support
Auto tool choice logic for thinking processes
Tool environment fixes

Full Release Notes

## What's Changed
* support claude fable 5 by @laithrw in https://github.com/browser-use/browser-use/pull/5008
* anthropic: tool choice auto when thinking (cannot force it) by @laithrw in https://github.com/browser-use/browser-use/pull/5009
* Fix packaged agent tools env by @gregpr07 in https://github.com/browser-use/browser-use/pull/5010


**Full Changelog**: https://github.com/browser-use/browser-use/compare/0.13.0...0.13.1