This release fixes issues for SREs watching stability and regressions.
✓ No known CVEs patched in this version
Topics
+2 more
ReleasePort's take
Moderate signalRelease v0.64.5 fixes Korean 2‑Set terminal arrow rendering and includes numerous bugfixes and feature additions across the platform.
Why it matters: Patch to v0.64.5 immediately if your environment uses Korean 2‑Set terminals; other changes are non‑critical upgrades.
Summary
AI summaryFix Korean 2‑Set terminal arrow rendering.
Changes in this release
| Type | Severity | Summary | CVE |
|---|---|---|---|
| Security | Medium |
Claude Agent View environment variables sanitized Claude Agent View environment variables sanitized Source: llm_adapter@2026-05-21 Confidence: high |
— |
| Security | Low |
Unsupported durable Claude cron requests rejected Unsupported durable Claude cron requests rejected Source: granite4.1:30b@2026-05-22-audit Confidence: low |
— |
| Feature | Medium |
Amp built-in session restore and plugin added Amp built-in session restore and plugin added Source: llm_adapter@2026-05-21 Confidence: high |
— |
| Feature | Medium |
Right-sidebar CLI command parity added Right-sidebar CLI command parity added Source: llm_adapter@2026-05-21 Confidence: high |
— |
| Feature | Medium |
Markdown viewer rendering and selection improved Markdown viewer rendering and selection improved Source: llm_adapter@2026-05-21 Confidence: high |
— |
| Feature | Medium |
Claude keeps running after clear Claude keeps running after clear Source: llm_adapter@2026-05-21 Confidence: high |
— |
| Feature | Medium |
Vertex/Bedrock auth environment auto-preserved on launch Vertex/Bedrock auth environment auto-preserved on launch Source: llm_adapter@2026-05-21 Confidence: low |
— |
| Feature | Medium |
Menubar global search added Menubar global search added Source: llm_adapter@2026-05-21 Confidence: low |
— |
| Feature | Medium |
Workspace current directory inheritance setting added Workspace current directory inheritance setting added Source: llm_adapter@2026-05-21 Confidence: low |
— |
| Feature | Medium |
Supported files open in cmux on cmd-click Supported files open in cmux on cmd-click Source: llm_adapter@2026-05-21 Confidence: low |
— |
| Feature | Medium |
Browser panels close on window close request Browser panels close on window close request Source: llm_adapter@2026-05-21 Confidence: low |
— |
| Feature | Medium |
Notification policy hooks added Notification policy hooks added Source: llm_adapter@2026-05-21 Confidence: low |
— |
| Feature | Medium |
Markdown files open in preview panels Markdown files open in preview panels Source: llm_adapter@2026-05-21 Confidence: low |
— |
| Feature | Medium |
Task manager sorting and program aggregates added Task manager sorting and program aggregates added Source: llm_adapter@2026-05-21 Confidence: low |
— |
| Feature | Medium |
cmux codex-teams launcher added cmux codex-teams launcher added Source: llm_adapter@2026-05-21 Confidence: low |
— |
| Feature | Medium |
iMessage workspace ordering and previews honored iMessage workspace ordering and previews honored Source: llm_adapter@2026-05-21 Confidence: low |
— |
| Feature | Medium |
Feed enabled by default Feed enabled by default Source: llm_adapter@2026-05-21 Confidence: low |
— |
| Feature | Medium |
Vertex/Bedrock auth env auto-preserved when launching Claude wrapper inside cmux Vertex/Bedrock auth env auto-preserved when launching Claude wrapper inside cmux Source: granite4.1:30b@2026-05-22-audit Confidence: low |
— |
| Feature | Medium |
Pi agent icon added Pi agent icon added Source: granite4.1:30b@2026-05-22-audit Confidence: low |
— |
| Feature | Low |
Codex hooks feature flag updated Codex hooks feature flag updated Source: granite4.1:30b@2026-05-22-audit Confidence: low |
— |
| Bugfix | Medium |
Metal renderer row rebuild crash prevented Metal renderer row rebuild crash prevented Source: llm_adapter@2026-05-21 Confidence: high |
— |
| Bugfix | Medium |
Display-link crash from terminal portal layout prevented Display-link crash from terminal portal layout prevented Source: llm_adapter@2026-05-21 Confidence: high |
— |
| Bugfix | Medium |
Multi-image terminal drops fixed Multi-image terminal drops fixed Source: llm_adapter@2026-05-21 Confidence: high |
— |
| Bugfix | Medium |
Chinese paste text corruption fixed Chinese paste text corruption fixed Source: llm_adapter@2026-05-21 Confidence: high |
— |
| Bugfix | Medium |
Cloud VM SSH attachment and tooling fixed Cloud VM SSH attachment and tooling fixed Source: llm_adapter@2026-05-21 Confidence: high |
— |
| Bugfix | Medium |
Window position preserved across sleep/wake multi-monitor Window position preserved across sleep/wake multi-monitor Source: llm_adapter@2026-05-21 Confidence: high |
— |
| Bugfix | Medium |
Claude subcommands passed through cmux wrapper Claude subcommands passed through cmux wrapper Source: llm_adapter@2026-05-21 Confidence: high |
— |
| Bugfix | Medium |
window.open(_blank) opens tab instead of popup window.open(_blank) opens tab instead of popup Source: llm_adapter@2026-05-21 Confidence: high |
— |
| Bugfix | Medium |
SSH ControlPath stale cleanup fixed before launch SSH ControlPath stale cleanup fixed before launch Source: llm_adapter@2026-05-21 Confidence: high |
— |
| Bugfix | Medium |
Notification CLI brought to panel parity Notification CLI brought to panel parity Source: llm_adapter@2026-05-21 Confidence: high |
— |
| Bugfix | Medium |
Unrestorable Claude sessions skipped on startup Unrestorable Claude sessions skipped on startup Source: llm_adapter@2026-05-21 Confidence: low |
— |
| Bugfix | Medium |
Terminal portal resize lag fixed Terminal portal resize lag fixed Source: llm_adapter@2026-05-21 Confidence: low |
— |
| Bugfix | Medium |
Kitty keyboard mode resets at prompt boundaries Kitty keyboard mode resets at prompt boundaries Source: llm_adapter@2026-05-21 Confidence: low |
— |
| Bugfix | Medium |
Korean 2-Set terminal arrows fixed Korean 2-Set terminal arrows fixed Source: llm_adapter@2026-05-21 Confidence: low |
— |
| Bugfix | Medium |
Redraw cmux window on focus regain even with sidebar resize handle Redraw cmux window on focus regain even with sidebar resize handle Source: granite4.1:30b@2026-05-22-audit Confidence: low |
— |
| Bugfix | Medium |
Sidebar freeze cleared after color/reorder so workspace row updates Sidebar freeze cleared after color/reorder so workspace row updates Source: granite4.1:30b@2026-05-22-audit Confidence: low |
— |
| Bugfix | Medium |
IME candidate key suppression narrowed IME candidate key suppression narrowed Source: granite4.1:30b@2026-05-22-audit Confidence: low |
— |
| Bugfix | Medium |
Terminal TUI background seam fixed Terminal TUI background seam fixed Source: granite4.1:30b@2026-05-22-audit Confidence: low |
— |
| Bugfix | Medium |
focusPaneOnFirstClick honored for minimal-mode chrome and sidebar focusPaneOnFirstClick honored for minimal-mode chrome and sidebar Source: granite4.1:30b@2026-05-22-audit Confidence: low |
— |
| Bugfix | Medium |
Absolute remote path used for cmuxd-remote scp upload Absolute remote path used for cmuxd-remote scp upload Source: granite4.1:30b@2026-05-22-audit Confidence: low |
— |
| Bugfix | Medium |
cmux frontmost state handled without keyboard focus cmux frontmost state handled without keyboard focus Source: granite4.1:30b@2026-05-22-audit Confidence: low |
— |
| Bugfix | Low |
Browser Return beep during sign-in fixed Browser Return beep during sign-in fixed Source: granite4.1:30b@2026-05-22-audit Confidence: low |
— |
| Bugfix | Low |
Shared WebView task manager attribution fixed Shared WebView task manager attribution fixed Source: granite4.1:30b@2026-05-22-audit Confidence: low |
— |
| Bugfix | Low |
Sidebar descriptions hidden in title‑only mode Sidebar descriptions hidden in title‑only mode Source: granite4.1:30b@2026-05-22-audit Confidence: low |
— |
Full changelog
What's Changed
- Fix multi-image terminal drops by @lawrencecchen in https://github.com/manaflow-ai/cmux/pull/3769
- Fix Cloud VM SSH attach and baked tooling by @lawrencecchen in https://github.com/manaflow-ai/cmux/pull/3786
- Fix #3708: redraw cmux window on focus regain even when cursor is over the sidebar resize handle by @austinywang in https://github.com/manaflow-ai/cmux/pull/3879
- Keep update pill polling current after first update by @austinywang in https://github.com/manaflow-ai/cmux/pull/3833
- Fix #3803: clear sidebar freeze after color/reorder so workspace row keeps updating by @austinywang in https://github.com/manaflow-ai/cmux/pull/3874
- Narrow IME candidate key suppression by @austinywang in https://github.com/manaflow-ai/cmux/pull/3867
- Update Codex hooks feature flag by @lawrencecchen in https://github.com/manaflow-ai/cmux/pull/3884
- Fix window.open(_blank) without features opening as popup instead of tab (#3243) by @austinywang in https://github.com/manaflow-ai/cmux/pull/3245
- Fix #3863: pass Claude subcommands through the cmux wrapper by @austinywang in https://github.com/manaflow-ai/cmux/pull/3871
- Fix terminal TUI background seam by @austinywang in https://github.com/manaflow-ai/cmux/pull/3903
- Fix #2791: preserve window position across sleep/wake with multiple monitors by @austinywang in https://github.com/manaflow-ai/cmux/pull/3882
- Fix #3856: honor focusPaneOnFirstClick for minimal-mode chrome and workspace sidebar by @austinywang in https://github.com/manaflow-ai/cmux/pull/3881
- Fix browser Return beep during sign-in by @austinywang in https://github.com/manaflow-ai/cmux/pull/3843
- Auto-preserve Vertex/Bedrock auth env when launching claude wrapper inside cmux by @psh4607 in https://github.com/manaflow-ai/cmux/pull/3714
- Add right-sidebar CLI command parity by @austinywang in https://github.com/manaflow-ai/cmux/pull/3810
- Fix #3689: use absolute remote path for cmuxd-remote scp upload by @austinywang in https://github.com/manaflow-ai/cmux/pull/3880
- Reject unsupported durable Claude cron requests by @austinywang in https://github.com/manaflow-ai/cmux/pull/3905
- Fix cmux frontmost state without keyboard focus by @austinywang in https://github.com/manaflow-ai/cmux/pull/3907
- Fix garbled Chinese paste text by @austinywang in https://github.com/manaflow-ai/cmux/pull/3929
- Prevent Metal renderer row rebuild crash by @austinywang in https://github.com/manaflow-ai/cmux/pull/3916
- Fix stale SSH ControlPath cleanup before pane launch by @austinywang in https://github.com/manaflow-ai/cmux/pull/3894
- Enable Feed by default by @lawrencecchen in https://github.com/manaflow-ai/cmux/pull/3854
- Sanitize Claude Agent View passthrough env by @lawrencecchen in https://github.com/manaflow-ai/cmux/pull/3992
- Add Amp built-in restore + session plugin by @comp615 in https://github.com/manaflow-ai/cmux/pull/3710
- Fix #3807: bring notification CLI to panel parity by @austinywang in https://github.com/manaflow-ai/cmux/pull/3811
- Fix shared WebView task manager attribution by @lawrencecchen in https://github.com/manaflow-ai/cmux/pull/4047
- Prevent display-link crash from terminal portal layout reentry by @austinywang in https://github.com/manaflow-ai/cmux/pull/3885
- Improve markdown viewer rendering and selection by @tobi in https://github.com/manaflow-ai/cmux/pull/3664
- Hide sidebar descriptions in title-only mode by @lawrencecchen in https://github.com/manaflow-ai/cmux/pull/4040
- Add Pi agent icon by @lawrencecchen in https://github.com/manaflow-ai/cmux/pull/4057
- Keep Claude Running after clear by @austinywang in https://github.com/manaflow-ai/cmux/pull/3631
- Fix new-workspace caller window routing by @austinywang in https://github.com/manaflow-ai/cmux/pull/4042
- Reset Kitty keyboard mode at shell prompt boundaries by @austinywang in https://github.com/manaflow-ai/cmux/pull/3870
- Clarify disabling agent session auto-resume for #3640 by @austinywang in https://github.com/manaflow-ai/cmux/pull/3991
- Add workspace cwd inheritance setting by @austinywang in https://github.com/manaflow-ai/cmux/pull/3921
- Approve installed Codex hooks by @lawrencecchen in https://github.com/manaflow-ai/cmux/pull/4035
- Revert Codex hook approval merge for dogfood by @lawrencecchen in https://github.com/manaflow-ai/cmux/pull/4074
- Fix workspace unit test after Codex hook revert by @lawrencecchen in https://github.com/manaflow-ai/cmux/pull/4076
- Clarify in cmux --help that reload-config covers Ghostty config too by @lawrencecchen in https://github.com/manaflow-ai/cmux/pull/4060
- Open right sidebar tools as panes by @lawrencecchen in https://github.com/manaflow-ai/cmux/pull/4065
- Save crash diagnostics under cmux state by @lawrencecchen in https://github.com/manaflow-ai/cmux/pull/4077
- Menubar global search P1 by @austinywang in https://github.com/manaflow-ai/cmux/pull/3908
- Fix CircleCI macos-unit-tests: update test helper for restorableAgentResumeState rename by @austinywang in https://github.com/manaflow-ai/cmux/pull/4068
- Open supported files in cmux on cmd-click by @lawrencecchen in https://github.com/manaflow-ai/cmux/pull/4041
- Suppress native proxy icon on cmux main windows by @lawrencecchen in https://github.com/manaflow-ai/cmux/pull/3973
- Honor iMessage workspace ordering and previews by @lawrencecchen in https://github.com/manaflow-ai/cmux/pull/4062
- Close browser panels when pages request window close by @lawrencecchen in https://github.com/manaflow-ai/cmux/pull/4070
- Add notification policy hooks by @lawrencecchen in https://github.com/manaflow-ai/cmux/pull/4054
- Fix sidebar unread badge after re-marking notifications by @austinywang in https://github.com/manaflow-ai/cmux/pull/4084
- Limit Cloud VMs by active provider state by @lawrencecchen in https://github.com/manaflow-ai/cmux/pull/4046
- Fix Settings search synonyms by @lawrencecchen in https://github.com/manaflow-ai/cmux/pull/4082
- Add tagged debug CLI helper by @lawrencecchen in https://github.com/manaflow-ai/cmux/pull/4092
- Add unread defer shortcut by @lawrencecchen in https://github.com/manaflow-ai/cmux/pull/4086
- Document notification hooks default off by @lawrencecchen in https://github.com/manaflow-ai/cmux/pull/4091
- Approve installed Codex hooks after dogfood by @lawrencecchen in https://github.com/manaflow-ai/cmux/pull/4075
- Document session restore behavior by @lawrencecchen in https://github.com/manaflow-ai/cmux/pull/4097
- Skip unrestorable Claude startup sessions by @lawrencecchen in https://github.com/manaflow-ai/cmux/pull/4079
- Revert "Suppress native proxy icon on cmux main windows" by @austinywang in https://github.com/manaflow-ai/cmux/pull/4099
- Fix terminal portal resize lag by @austinywang in https://github.com/manaflow-ai/cmux/pull/4102
- Fix Korean 2-Set terminal arrows by @austinywang in https://github.com/manaflow-ai/cmux/pull/4095
- Add cmux codex-teams launcher by @lawrencecchen in https://github.com/manaflow-ai/cmux/pull/4056
- Open markdown files in preview panels from cmux open by @lawrencecchen in https://github.com/manaflow-ai/cmux/pull/4085
- Add task manager sorting and program aggregates by @lawrencecchen in https://github.com/manaflow-ai/cmux/pull/4066
- Keep manual unread sticky until terminal interaction by @lawrencecchen in https://github.com/manaflow-ai/cmux/pull/4104
- Release v0.64.5 by @austinywang in https://github.com/manaflow-ai/cmux/pull/4107
New Contributors
- @comp615 made their first contribution in https://github.com/manaflow-ai/cmux/pull/3710
- @tobi made their first contribution in https://github.com/manaflow-ai/cmux/pull/3664
Full Changelog: https://github.com/manaflow-ai/cmux/compare/v0.64.4...v0.64.5
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About cmux
Ghostty-based macOS terminal with vertical tabs and notifications for AI coding agents
Related context
Beta — feedback welcome: [email protected]