Claude Code v2.1.39

Released Feb 10, 2026 (6 months ago).

"References this build" means the issue body mentions running 2.1.39 (from the bug-report template). It reflects report volume, not a proven defect count — an issue may mention a version without being caused by it. First-party data from the anthropics/claude-code tracker.

Top issues reported on v2.1.39

Ranked by community engagement (reactions and comments).

• [BUG] keybindings.json ignored in Claude desktop app — Enter/Shift+Enter always submit
  Resolved 💬 17 👍 54 #25087
• [BUG] Renamed session works on first resume but the name disappears after the second exit
  Open 💬 34 👍 29 #25090
• Claude Code freezes/hangs with no input accepted — 100% write ratio in terminal renderer
  Open 💬 20 👍 18 #25286
• sessions-index.json not updated, causing `claude --resume` to show stale/missing sessions
  Resolved 💬 15 👍 17 #25032
• [BUG] Claude Desktop opening when running "claude" in Powershell ( Windows )
  Resolved 💬 8 👍 13 #24855
• [BUG] Onboarding broken at chat redirect
  Resolved 💬 12 👍 8 #25056
• Claude in Chrome: 'Browser extension is not connected' despite correct setup (v2.1.39 + ext v1.0.47)
  Resolved 💬 20 👍 4 #24935
• [Feature Request] Support mouse click events from terminal shell integration
  Resolved 💬 4 👍 9 #25047
• [BUG] `sandbox.filesystem.allowWrite` setting has no effect on macOS Seatbelt sandbox
  Resolved 💬 2 👍 9 #30067
• [BUG] - Bash tool commands extremely slow (~30s) despite being instant in normal terminal
  Resolved 💬 6 👍 6 #25016
• [BUG] Diff/code block icons render as tofu (☒) in VS Code Extension chat panel due to CSP blocking base64 font
  Resolved 💬 5 👍 6 #26836
• [BUG] huge memory leak
  Resolved 💬 10 👍 3 #25023
• [BUG] Team feature hardcodes claude as subprocess binary, breaks custom aliases/profiles
  Resolved 💬 4 👍 5 #24989
• sandbox.excludedCommands does not bypass network restrictions (SSH blocked for git)
  Resolved 💬 6 👍 4 #30619
• [Bug] Anthropic API Error: Internal Server Error (500)
  Resolved 💬 3 👍 5 #28598
• [Bug] VSCode Plugin 2.1.39 hangs after first request
  Resolved 💬 18 #25253
• [BUG] Extremely slow performance / near-zero token generation since Feb 10, 2026
  Resolved 💬 9 👍 3 #25059
• [DOCS] Session docs missing nested-Claude launch guard behavior and recovery guidance
  Resolved 💬 11 👍 2 #25434
• [BUG] Windows: Claude startup welcome/header UI not visible in some folders
  Resolved 💬 7 👍 2 #25303
• [BUG] Tool approval prompts hijack focus mid-typing, causing unintended actions and blocking response visibility
  Resolved 💬 4 👍 3 #25073
• [Bug] Anthropic API Error: Conversation too long during compaction
  Resolved 💬 3 👍 3 #25716
• [BUG] Cowork Windows: sandbox-helper fails to unmount host share, VM service won't start (Win 11 Pro)
  Resolved 💬 12 #25419
• Team agent teammates receive normalized model ID instead of Bedrock model ID, causing 400 errors
  Resolved 💬 6 👍 2 #25193
• [BUG] Read tool truncation causes agents to silently lose guardrails from instruction files
  Resolved 💬 8 👍 1 #28783
• [Feature Request] Add conversational "Discuss" mode to enable brainstorming without auto-generating plans or code changes
  Resolved 💬 5 👍 2 #28298
• All plugin hooks stop firing after context compaction
  Resolved 💬 5 👍 2 #25655
• [Bug] Auto-Compact Failure Leaves Instance in Unrecoverable Context Limit State
  Resolved 💬 5 👍 2 #24942
• Claude in Chrome extension not connecting despite correct configuration
  Resolved 💬 4 👍 2 #25392
• Redacted thinking error in claud code
  Resolved 💬 4 👍 2 #25361
• [BUG] Cowork Windows - Downloads folder fails to mount: "sandbox-helper: failed to unmount host share (virtiofs and Plan9): invalid argument"
  Resolved 💬 7 👍 1 #25235

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