Claude Code v2.1.38

Released Feb 10, 2026 (6 months ago).

"References this build" means the issue body mentions running 2.1.38 (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 v2.1.38

Ranked by community engagement (reactions and comments).

• [BUG] [URGENT!!!] Claude Code is hanging / freezing / stuck on heaps of prompts for 5-20minutes or more.
  Open 💬 129 👍 151 #26224
• [MODEL] Opus 4.6 continuously stuck in explore and thinking loops (Claude Code)
  Open 💬 10 👍 38 #24585
• [BUG] Claude-in-Chrome: Browser extension persistently fails to connect from CLI
  Resolved 💬 22 👍 19 #24593
• Sessions-index.json: summaries not generated and new sessions not indexed since ~v2.1.31
  Resolved 💬 16 👍 7 #24729
• Requests are failing. API Error: 500...
  Resolved 💬 3 👍 11 #24797
• Claude Code freezes during API call ("Befuddling" spinner), terminal becomes completely unresponsive
  Resolved 💬 9 👍 6 #24688
• Requests failing: API Error: 500...
  Resolved 💬 13 👍 4 #24800
• Claude in Chrome MCP server fails to connect to native host bridge socket
  Resolved 💬 10 👍 5 #24784
• [BUG] Bug: Teammates do NOT load skills despite documentation stating they do
  Resolved 💬 4 👍 6 #24780
• Ctrl+G external editor: arrow keys and Ctrl+G become unresponsive after pasting long text
  Resolved 💬 7 👍 5 #24563
• Claude Code + Claude Web return 500 errors for single user in org (“No organization or project”)
  Resolved 💬 6 👍 5 #24805
• [BUG] Max 20x plan — Claude Code reports 100% usage while dashboard shows 73%, charged $53 in extra usage
  Resolved 💬 11 👍 3 #24727
• Feature Request: Color-code tool calls by danger level for better security visibility
  Resolved 💬 3 👍 5 #24816
• [BUG] API Error: 500
  Resolved 💬 5 👍 3 #24802
• [BUG] Claude code only recognizes legacy `:*` suffix in `.claude/settings.json` file
  Resolved 💬 4 👍 3 #24815
• API Error: 500 {"type":"error","error":{"type":"api_error","...
  Resolved 💬 7 👍 2 #24814
• [BUG] MCP servers configured via CLI don't load in VSCode extension
  Resolved 💬 7 👍 2 #24770
• Kotlin annotation syntax highlighting invisible on dark terminal backgrounds
  Resolved 💬 5 👍 2 #24807
• [Bug] Input text NOT VISIBLE in CLI
  Resolved 💬 5 👍 2 #24701
• [Bug] Context compaction fails with multiple subagents
  Resolved 💬 8 👍 1 #24591
• Chrome extension native messaging works but MCP tools fail to connect
  Resolved 💬 7 👍 1 #24970
• [BUG] Compaction seems to be destructive to summarized context, leading to incorrect next actions taken by "lost and confused" model
  Resolved 💬 10 #24792
• API Error: 500 {"type":"error","error":{"type":"api_error","...
  Resolved 💬 3 👍 2 #24813
• CLAUDE_ENV_FILE: session ID mismatch on resume causes env files to be written to wrong directory
  Resolved 💬 6 👍 1 #24775
• [DOCS] CLAUDE.md file location equivalence not working as documented
  Resolved 💬 3 👍 2 #24731
• You've hit your limit · resets 4pm (Europe/Berlin)
  Resolved 💬 3 👍 2 #24719
• [BUG] MCP client silently drops all tools when third-party server includes outputSchema in tools/list response
  Resolved 💬 5 👍 1 #25081
• [Bug] Context window limit reached too quickly
  Resolved 💬 5 👍 1 #24713
• 🐛 customTitle not restored when resuming session via --resume <session-id>
  Resolved 💬 4 👍 1 #24809
• [BUG] mcp serve: tools advertise outputSchema but return no structuredContent
  Resolved 💬 4 👍 1 #24742

Changelog