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0.12.8

TanStack/router0.12.8May 23, 2026by MagMueller

AI Summary

This release prioritizes security by restricting Unix socket access and improves history management by freezing history items.

Key Highlights

  • Unix socket file access is now restricted to owner-only.
  • History items are frozen to prevent modification.
  • Client headers added to GoogleChat integration.
  • Restricted profile evaluation blocking.

New Features

  • Unix socket owner-only access restriction.
  • Refuse evaluate() on restricted browser profiles.
  • History item freezing and byte-prefix locking.
  • GoogleChat client header addition.
  • OpenRouter pricing fallback for token costs.
  • Cached content forwarding (later reverted in follow-up).

Full Release Notes

## What's Changed
* fix(daemon): restrict unix socket file to owner-only access by @sauravpanda in https://github.com/browser-use/browser-use/pull/4870
* docs: clarify integration example placement by @felix-windsor in https://github.com/browser-use/browser-use/pull/4856
* fix(tools): refuse evaluate() on restricted browser profiles by @sauravpanda in https://github.com/browser-use/browser-use/pull/4871
* chore(llm): default ChatBrowserUse to bu-2-0 by @sauravpanda in https://github.com/browser-use/browser-use/pull/4876
* feat: add client header to GoogleChat by @markmcd in https://github.com/browser-use/browser-use/pull/4884
* chore(llm): recommend gemini-3-flash-preview in examples and tests by @sauravpanda in https://github.com/browser-use/browser-use/pull/4885
* Add OpenRouter pricing fallback for token costs by @sauravpanda in https://github.com/browser-use/browser-use/pull/4886
* agent(history): freeze HistoryItem + lock byte-prefix property by @sauravpanda in https://github.com/browser-use/browser-use/pull/4890
* agent(prompts): move per-step metadata out of <agent_state> into a tail block by @sauravpanda in https://github.com/browser-use/browser-use/pull/4891
* feat: forward cached_content into generate_content by @sauravpanda in https://github.com/browser-use/browser-use/pull/4889
* Move user request before agent history by @MagMueller in https://github.com/browser-use/browser-use/pull/4897
* Bump version to 0.12.8 by @MagMueller in https://github.com/browser-use/browser-use/pull/4899
* Revert ChatGoogle cached_content forwarding by @MagMueller in https://github.com/browser-use/browser-use/pull/4900
* Revert evaluate restriction on restricted profiles by @MagMueller in https://github.com/browser-use/browser-use/pull/4901
* Trim HistoryItem freeze follow-up by @MagMueller in https://github.com/browser-use/browser-use/pull/4902

## New Contributors
* @felix-windsor made their first contribution in https://github.com/browser-use/browser-use/pull/4856

**Full Changelog**: https://github.com/browser-use/browser-use/compare/0.12.7...0.12.8