Claude Code v2.1.240

Released Aug 22, 2026 (8 days ago).

"References this build" means the issue body mentions running 2.1.240 (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 v2.1.240

Ranked by community engagement (reactions and comments).

• [FEATURE] Support skills-only Agent Plugins 1.0.0 packages
  Open 💬 1 👍 3 #88906
• 2.1.243 native build segfaults at startup on Arch Linux (glibc 2.44) — even `--version` and `claude update`
  Open 💬 0 👍 3 #89564
• [Bug] Opus 5 responses frequently end with "Two things..." phrase
  Open 💬 0 👍 2 #90799
• Remote Control auto-enables on every new tab in VSCode extension, ignoring remoteControl=default setting
  Open 💬 2 👍 1 #89146
• PreToolUse hooks never fire on Windows (v2.1.240)
  Open 💬 3 #88896
• [BUG] /rename name survives into the pre-/clear conversation, so peers see the wrong session name
  Open 💬 0 👍 1 #88845
• [BUG] Simple prompt copy paste triggers [cyber] safeguard
  Open 💬 1 #90612
• Issue in claude-in-chrome
  Open 💬 1 #89719
• You've hit your session limit · resets 10:50pm (Asia/Calcutta) · progress saved
  Resolved 💬 1 #89235
• [Bug] Session window consumed faster than expected with concurrent Claude Code instances
  Open 💬 1 #89221
• [Bug] Anthropic API Error: Requests blocked by safety systems due to semantic traces from past security work
  Open 💬 1 #89194
• [BUG] Workflow subagents interrupted at ~180s while a model request is still in flight; identical-key retries restart cold and never complete
  Open 💬 1 #88993
• [Bug] Worktree isolation pin shared across parallel subagents causes cross-agent command execution
  Open 💬 1 #88950
• Extension host pins one CPU core for hours, log-silent - measured as a native file-watcher busy-loop (~245k other-I/O ops/s, 0 reads/s) on Windows
  Open 💬 1 #88913
• Agents panel: sort actively working agents to the top (active-first ordering)
  Open 💬 1 #88907
• [Bug] Claude policy enforcement not respecting user preferences
  Resolved 💬 1 #88905
• [BUG] Terminal CLI: SendUserFile reports "delivered to user" but nothing is shown; deliverables left in session scratchpad and described as "attached"
  Open 💬 1 #88889
• [BUG] MCP Tools with draft-07 are rejected
  Open 💬 1 #88882
• Bug Report: No issue details provided (only request ID)
  Resolved 💬 1 #88872
• Bug Report: Unable to determine issue details from report ID q_011CeJJAYcikkGh19HBjsHSY
  Resolved 💬 1 #88870
• [BUG] Qemu VM : arm64 OK, x86+KVM+AVX2 OK , x86+KVM KO (hangs forever 100% CPU) , x86 KO (crashes)
  Open 💬 1 #88864
• [BUG] Silent settings.json data loss: 5s time-only echo suppression masks external writes, stale per-process cache clobbers on next save
  Open 💬 0 #90789
• Claude Code process exits with code 1 on Windows after tool calls with large output
  Open 💬 0 #90168
• [BUG] Windows desktop: stdio MCP servers get a ~16-var sanitized environment; missing ProgramData breaks ssh silently, missing COMPUTERNAME breaks Get-VM with a misattributed error
  Open 💬 0 #90074
• [Bug] Invalid reasoning_extraction block format in API response
  Open 💬 0 #89838
• [BUG] Windows Desktop destroys its own crash evidence — and the first GPU-process dump shows D3D12Core raising a non-continuable fail-fast (0x060C201E)
  Open 💬 0 #89525
• claude install <version> reports success and a false Location when the launcher is not the installer's symlink
  Open 💬 0 #89520
• Workflow subagents can message unrelated sessions under the parent's identity; replies route to the parent conversation
  Open 💬 0 #89453
• [Feature Request] Overly restrictive safety guardrails limit legitimate security testing and application hardening workflows
  Open 💬 0 #89167
• [Bug] Unnecessary git repository data included in feedback submissions
  Open 💬 0 #89130

Changelog