← Claude Code

Claude Code 2.1.273

Released Sep 15, 2026 · official source

Safe to upgrade? Many reports – consider waiting

12 bug/regression-labelled issues opened in the 28h after release (12 regression-flagged, 1 mention v2.1.273 in title). Normalised score 93.2.

Issues counted
  • #94888 [BUG] Chat tab strip (multi-session view) missing in VS Code extension after update to 2.1.273 (bug, platform:macos, area:ide, platform:vscode, regression, area:ui)
  • #94873 [BUG] AltGr characters are lost in Windows Terminal since the kitty keyboard protocol is enabled unconditionally (bug, has repro, platform:windows, area:tui, regression, keybindings)
  • #94853 [Bug] Artifact publish/watch events no longer trigger session wake (bug, platform:macos, area:tools, regression)
  • #94828 Cross-session message delivery stopped surfacing in the recipient session — regression in claude-desktop ≥ 1.46388.2 (bug, has repro, platform:linux, regression, area:desktop)
  • #94820 Background Bash task SIGTERMed by its own supervising CLI process on Linux — introduced in 2.1.246 (2.1.245 clean) (bug, has repro, platform:linux, area:bash, regression)
  • #94762 [BUG] Skills declared inline in `marketplace.json` under `strict: false` are not registered (2.1.112 works, 2.1.270 broken) (bug, has repro, platform:macos, regression, area:skills, area:plugins)
  • #94670 [BUG] VS Code extension: settings writes fail with EPERM because the Windows profile path is character-reversed for RTL (Hebrew) usernames (bug, has repro, platform:windows, area:ide, platform:vscode, regression)
  • #94655 [BUG][Windows] Desktop git-shadow probes leak orphaned git.exe on large SMB repos — timeout kills the Git for Windows launcher, not git; 55 procs / 20 GB in 1 h (follow-up to #86646) (bug, has repro, platform:windows, regression, area:desktop)
  • #94648 VS Code extension 2.1.272: chat file links with non-ASCII (Korean) path components no longer open (regression from 2.1.270) (bug, has repro, platform:macos, area:ide, platform:vscode, regression)
  • #94640 [BUG] Cowork local sandbox: proxy returns 403 'Connection blocked by network allowlist' for cdn.playwright.dev although it is in the session's default egressAllowedDomains (bug, platform:macos, area:cowork, regression, area:networking, area:sandbox)
  • #94635 [BUG] Desktop Code tab: enabled ~/.claude plugins never load into sessions — regression 2.1.237 → 2.1.260, still broken in 2.1.270 (bug, has repro, platform:macos, regression, area:plugins, area:desktop)
  • #94602 [BUG] VS Code extension: no colored status dots on session tabs (Remote-SSH, multiple sessions) (bug, platform:windows, area:ide, platform:vscode, regression)

How this is computed

Breaking-change highlights

Auto-extracted lines mentioning breaking/deprecated/removed/migrate. Always read the full notes.

Changelog: v2.1.273

What's changed