Claude Code v2.1.231

Released Aug 13, 2026 (17 days ago).

"References this build" means the issue body mentions running 2.1.231 (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 v2.1.231

Ranked by community engagement (reactions and comments).

• bypassPermissions defaultMode and --permission-mode flag ignored; session stays in auto mode (since 2026-08-14 auto-mode rollout)
  Open 💬 3 👍 1 #86478
• /rename renames other concurrent sessions (cross-session title contamination, no resume involved)
  Open 💬 4 #86531
• Auto mode classifier denies tool calls in bypassPermissions sessions (v2.1.231)
  Open 💬 1 👍 1 #86451
• [BUG] Claude Desktop (Windows MSIX) transitions from Ok to Modified, NeedsRemediation on first launch, with no deployment event in any Windows log
  Resolved 💬 3 #88138
• [Bug] Project-scope settings.json can bypass sandbox isolation via sandbox.enabled: false
  Open 💬 3 #86504
• HTTP MCP: valid token treated as expired — "OAuth session expired and could not be refreshed" when provider issues no refresh token (mcp.facebook.com/ads)
  Resolved 💬 3 #86430
• [Bug] API Error: Empty or Malformed Response with HTTP 200 Status
  Open 💬 0 👍 1 #86427
• [BUG] /resume picker sometimes omits recent valid sessions from the same project
  Resolved 💬 3 #86369
• [Bug] MCP connectors timeout at 30s despite fast endpoint response; claude.ai-scoped connectors fail while functioning in Claude app
  Open 💬 2 #86502
• [Bug] outputStyle configuration not honored in assistant responses
  Open 💬 2 #86490
• [BUG] ECONNRESET on streaming connections behind multi-layer NAT (macOS 26.6.1, v2.1.231)
  Resolved 💬 2 #86468
• Desktop app: "Failed to update marketplace" for plugins installed via remote/account-scoped install path
  Open 💬 2 #86428
• [Bug] PreToolUse/PostToolUse hooks not fired for subagent tool calls
  Resolved 💬 2 #86405
• Hook error label prints unexpanded ${CLAUDE_PLUGIN_ROOT} and frames a deliberate block as a crash
  Resolved 💬 2 #86368
• [BUG] Remote Control multi-session restore (activeSessionIds) is never written on an ungraceful shutdown — the exact case it exists for
  Open 💬 1 #90777
• [BUG] Recurring Bun-runtime SIGABRT/SIGSEGV crashes across Claude Code 2.1.231-2.1.243 on Linux ARM64 (glibc 2.34) — clustered multi-process crashes, corrupted stack frame evidence
  Open 💬 1 #89539
• [Feature Request] Add conversation rewind capability to revise responses at arbitrary points
  Open 💬 1 #89004
• claude plugin update does not resolve newly-declared plugin dependencies (install does)
  Open 💬 1 #88663
• [BUG] AskUserQuestion: choosing "chat about it" erases the question and all its options from the transcript
  Open 💬 1 #88494
• Terminal title rewritten every 960ms (activity glyph is part of the title payload), restarting terminal status animations
  Open 💬 1 #88360
• [Bug] Anthropic API endpoint not found (404)
  Resolved 💬 1 #87704
• [BUG] Unable to find Gift Code
  Resolved 💬 1 #86953
• [Feature Request] Add inter-chat communication or context sharing between separate conversations
  Resolved 💬 1 #86921
• [Bug] Anthropic API Error: Safety filter blocks legitimate code generation requests
  Resolved 💬 1 #86842
• [BUG] Sticky scroll re-pins to bottom during parallel agent output, making it unreadable
  Open 💬 1 #86826
• You've hit your session limit · resets 4:40am (Asia/Calcutta)
  Resolved 💬 1 #86751
• [Bug] Mid-turn messages not rendered despite being sent to API
  Open 💬 1 #86689
• [BUG] MCP servers connect successfully but tools don't surface as callable, even after full restart
  Open 💬 1 #86674
• [BUG]
  Resolved 💬 1 #86623
• MCP OAuth on Windows: claude mcp login is undiscoverable, browser reports success on failure, and failed auth leaves an empty-token credential entry
  Open 💬 1 #86605

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