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mux

v0.26.1 Feature

This release adds 1 notable feature for engineering teams evaluating rollout.

✓ No known CVEs patched
Read the diff → Tool health → What is this tool? →

✓ No known CVEs patched in this version

Topics

agent ide

Summary

AI summary

Fixed layout flashes on chat send and refined plan mode instructions.

Full changelog

This release brings some minor bug-fixes and usability improvements.

  • Solved some long-standing layout flashes on chat send
  • Added a per-model minimum thinking level (default: medium) so that cycling thinking is more ergonomic
  • Refined plan mode instructions to relax guard on mutations, permitting the agent to delete its own plan file, use local FS for analysis work, create GitHub issues, etc.
    • Opus 4.8 is much more stringent about following the previous mutation guidelines, which lead to long (wasted) reasoning traces about how to execute a request w/o mutation.
  • Refined ask_user_question tool call instructions to avoid presenting "recommended" option and focus on genuinely open questions with no clear path forward

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About mux

A desktop app for isolated, parallel agentic development

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Beta — feedback welcome: [email protected]