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cmux

v0.64.8 Feature

This release adds 5 notable features for engineering teams evaluating rollout.

Published 13d CLI & Terminal
✓ No known CVEs patched
Read the diff → Tool health → What is this tool? →

✓ No known CVEs patched in this version

Topics

amp claude-code codex gemini ghostty opencode
+2 more
cli tmux

ReleasePort's take

Moderate signal
editorial:auto 12d

Release v0.64.8 fixes a QuickLook crash that occurred after closing the proxy icon split view.

Why it matters: Patch to v0.64.8 immediately if your environment uses QuickLook previews; the fix resolves a stability‑critical crash triggered by proxy‑icon interactions.

Summary

AI summary

Fixed QuickLook crash after proxy icon split close.

Changes in this release

Feature Medium

Adds native Grok Vault resume support capability.

Adds native Grok Vault resume support capability.

Source: llm_adapter@2026-05-22

Confidence: high

 —
Feature Medium

Adds support for Antigravity CLI sessions.

Adds support for Antigravity CLI sessions.

Source: llm_adapter@2026-05-22

Confidence: high

 —
Feature Medium

Adds recursive memory attribution diagnostics capability.

Adds recursive memory attribution diagnostics capability.

Source: llm_adapter@2026-05-22

Confidence: high

 —
Feature Medium

Adds CLI window targeting capability.

Adds CLI window targeting capability.

Source: llm_adapter@2026-05-22

Confidence: high

 —
Bugfix Medium

Fixes Option dead-key accent composition in macOS keyboard input.

Fixes Option dead-key accent composition in macOS keyboard input.

Source: llm_adapter@2026-05-22

Confidence: high

 —
Bugfix Medium

Fixes browser WebView refresh when workspace hidden.

Fixes browser WebView refresh when workspace hidden.

Source: llm_adapter@2026-05-22

Confidence: high

 —
Bugfix Medium

Fixes minimal mode pane tab drag routing behavior.

Fixes minimal mode pane tab drag routing behavior.

Source: llm_adapter@2026-05-22

Confidence: high

 —
Bugfix Medium

Fixes repeated theme set reloads causing excessive refreshes.

Fixes repeated theme set reloads causing excessive refreshes.

Source: llm_adapter@2026-05-22

Confidence: high

 —
Bugfix Medium

Fixes session search ripgrep cancellation crash.

Fixes session search ripgrep cancellation crash.

Source: llm_adapter@2026-05-22

Confidence: high

 —
Bugfix Medium

Fixes remapped Cmd+W close shortcuts functionality.

Fixes remapped Cmd+W close shortcuts functionality.

Source: llm_adapter@2026-05-22

Confidence: high

 —
Bugfix Medium

Fixes browser back race condition during provisional navigation.

Fixes browser back race condition during provisional navigation.

Source: llm_adapter@2026-05-22

Confidence: high

 —
Bugfix Medium

Fixes NSConcreteTask terminationReason cancellation crash.

Fixes NSConcreteTask terminationReason cancellation crash.

Source: llm_adapter@2026-05-22

Confidence: high

 —
Bugfix Medium

Fixes settings appearance dispatch_once reentrancy bug.

Fixes settings appearance dispatch_once reentrancy bug.

Source: llm_adapter@2026-05-22

Confidence: high

 —
Bugfix Medium

Fixes restored unread ring clearing on workspace resume.

Fixes restored unread ring clearing on workspace resume.

Source: llm_adapter@2026-05-22

Confidence: high

 —
Bugfix Medium

Routes equalize_splits through v2ProportionalEqualize for even pane splits.

Routes equalize_splits through v2ProportionalEqualize for even pane splits.

Source: llm_adapter@2026-05-22

Confidence: high

 —
Bugfix Medium

Fixes pane tab width regression introduced in PR #4290.

Fixes pane tab width regression introduced in PR #4290.

Source: llm_adapter@2026-05-22

Confidence: high

 —
Bugfix Medium

Fixes CLI socket autodiscovery test timeout handling.

Fixes CLI socket autodiscovery test timeout handling.

Source: llm_adapter@2026-05-22

Confidence: high

 —
Bugfix Medium

Fixes shortcut recorder state leak in AppDelegate tests.

Fixes shortcut recorder state leak in AppDelegate tests.

Source: llm_adapter@2026-05-22

Confidence: high

 —
Bugfix Medium

Fixes main shortcut routing CI regressions.

Fixes main shortcut routing CI regressions.

Source: llm_adapter@2026-05-22

Confidence: high

 —
Bugfix Medium

Fixes git index.lock polling in sidebar metadata watcher.

Fixes git index.lock polling in sidebar metadata watcher.

Source: llm_adapter@2026-05-22

Confidence: high

 —
Bugfix Medium

Fixes Quick Look preview deactivation crash.

Fixes Quick Look preview deactivation crash.

Source: llm_adapter@2026-05-22

Confidence: high

 —
Bugfix Medium

Fixes QuickLook crash after proxy icon split close.

Fixes QuickLook crash after proxy icon split close.

Source: llm_adapter@2026-05-22

Confidence: high

 —
Bugfix Medium

Fixes notification Settings open path navigation.

Fixes notification Settings open path navigation.

Source: llm_adapter@2026-05-22

Confidence: high

 —
Bugfix Medium

Fixes theme override path for channel builds.

Fixes theme override path for channel builds.

Source: llm_adapter@2026-05-22

Confidence: high

 —
Bugfix Medium

Suppresses nested agent hook notifications.

Suppresses nested agent hook notifications.

Source: llm_adapter@2026-05-22

Confidence: low

 —
Refactor Medium

Migrates macOS CI infrastructure to WarpBuild platform.

Migrates macOS CI infrastructure to WarpBuild platform.

Source: llm_adapter@2026-05-22

Confidence: low

 —
Refactor Medium

Tightens review bot no-sleep linting rules.

Tightens review bot no-sleep linting rules.

Source: llm_adapter@2026-05-22

Confidence: low

 —
Refactor Medium

Hardens CI against Swift crash backtrace hangs.

Hardens CI against Swift crash backtrace hangs.

Source: llm_adapter@2026-05-22

Confidence: low

 —
Refactor Medium

Aligns titlebar controls with macOS traffic lights.

Aligns titlebar controls with macOS traffic lights.

Source: llm_adapter@2026-05-22

Confidence: low

 —
Refactor Medium

Fixes minimal-mode sidebar titlebar icon alignment.

Fixes minimal-mode sidebar titlebar icon alignment.

Source: llm_adapter@2026-05-22

Confidence: low

 —
Full changelog

What's Changed

  • Fix Option dead-key accent composition by @austinywang in https://github.com/manaflow-ai/cmux/pull/4382
  • Migrate macOS CI to WarpBuild by @lawrencecchen in https://github.com/manaflow-ai/cmux/pull/4362
  • Fix browser WebView refresh on workspace hide by @austinywang in https://github.com/manaflow-ai/cmux/pull/4388
  • Fix minimal mode pane tab drag routing by @austinywang in https://github.com/manaflow-ai/cmux/pull/4290
  • Fix repeated cmux themes set reloads by @austinywang in https://github.com/manaflow-ai/cmux/pull/4359
  • Fix session search ripgrep cancellation crash by @lawrencecchen in https://github.com/manaflow-ai/cmux/pull/4413
  • Fix remapped Cmd+W close shortcuts by @austinywang in https://github.com/manaflow-ai/cmux/pull/4406
  • Fix browser back race during provisional navigation by @austinywang in https://github.com/manaflow-ai/cmux/pull/4397
  • Fix #4410 NSConcreteTask terminationReason cancellation crash by @austinywang in https://github.com/manaflow-ai/cmux/pull/4414
  • Add native Grok Vault resume support by @austinywang in https://github.com/manaflow-ai/cmux/pull/4398
  • Fix settings appearance dispatch_once reentrancy by @austinywang in https://github.com/manaflow-ai/cmux/pull/4415
  • Fix restored unread ring clearing when resuming workspace by @austinywang in https://github.com/manaflow-ai/cmux/pull/4371
  • Route keyboard/menu equalize_splits through v2ProportionalEqualize so 3+ panes split evenly by @mvanhorn in https://github.com/manaflow-ai/cmux/pull/4400
  • Fix pane tab width regression after #4290 by @austinywang in https://github.com/manaflow-ai/cmux/pull/4438
  • Support Antigravity CLI sessions by @austinywang in https://github.com/manaflow-ai/cmux/pull/4409
  • Tighten review bot no-sleep rules by @lawrencecchen in https://github.com/manaflow-ai/cmux/pull/4439
  • Add recursive memory attribution diagnostics by @austinywang in https://github.com/manaflow-ai/cmux/pull/4437
  • Harden CI against Swift crash backtrace hangs by @austinywang in https://github.com/manaflow-ai/cmux/pull/4440
  • Fix CLI socket autodiscovery test timeout handling by @austinywang in https://github.com/manaflow-ai/cmux/pull/4441
  • Fix shortcut recorder state leak in AppDelegate tests by @austinywang in https://github.com/manaflow-ai/cmux/pull/4442
  • Fix main shortcut routing CI regressions by @austinywang in https://github.com/manaflow-ai/cmux/pull/4445
  • Add CLI window targeting by @lawrencecchen in https://github.com/manaflow-ai/cmux/pull/4211
  • Fix git index.lock polling in sidebar metadata watcher by @austinywang in https://github.com/manaflow-ai/cmux/pull/2797
  • Fix Quick Look preview deactivation crash by @austinywang in https://github.com/manaflow-ai/cmux/pull/4459
  • Fix QuickLook crash after proxy icon split close by @austinywang in https://github.com/manaflow-ai/cmux/pull/4460
  • Suppress nested agent hook notifications by @lawrencecchen in https://github.com/manaflow-ai/cmux/pull/4334
  • Fix notification Settings open path by @lawrencecchen in https://github.com/manaflow-ai/cmux/pull/4456
  • Align titlebar controls with traffic lights by @austinywang in https://github.com/manaflow-ai/cmux/pull/4471
  • Fix theme override path for channel builds by @austinywang in https://github.com/manaflow-ai/cmux/pull/4484
  • Fix minimal-mode sidebar titlebar icon alignment by @austinywang in https://github.com/manaflow-ai/cmux/pull/4481
  • Add browser screenshot clipboard actions by @austinywang in https://github.com/manaflow-ai/cmux/pull/4479
  • Release v0.64.8 by @austinywang in https://github.com/manaflow-ai/cmux/pull/4511

Full Changelog: https://github.com/manaflow-ai/cmux/compare/v0.64.7...v0.64.8

View diff on GitHub

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About cmux

Ghostty-based macOS terminal with vertical tabs and notifications for AI coding agents

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Beta — feedback welcome: [email protected]