0.13.1

tractordev/apptron0.13.1Jun 10, 2026by gregpr07

AI Summary

This release adds support for Claude Fable 5, fixes anthropic tool choice behavior during thinking, and resolves packaged agent tools environment issues.

Key Highlights

Added support for Claude Fable 5.
Fixed anthropic tool choice auto behavior when thinking.
Fixed environment variables for packaged agent tools.

New Features

Claude Fable 5 support

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