Claude Code v2.1.22

Released Jan 28, 2026 (7 months ago).

"References this build" means the issue body mentions running 2.1.22 (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 v2.1.22

Ranked by community engagement (reactions and comments).

• Claude Desktop App stuck in login loop with 'Invalid authorization' error
  Open 💬 32 👍 22 #22685
• [BUG] Claude Desktop MCP: tool call responses dropped by client after first successful round-trip (Windows, regression in CCD v2.1.22)
  Resolved 💬 10 👍 18 #22299
• Massive quality regression
  Open 💬 19 👍 15 #21431
• [BUG] Multiple .claude.json.backup files spawned on startup without cleanup
  Resolved 💬 13 👍 17 #21429
• Terminal renderer CPU spin: 100% CPU with 625K writes/0 blits on large session
  Open 💬 13 👍 15 #21567
• [Bug] Anthropic API Error: Internal Server Error (500)
  Resolved 💬 19 👍 6 #21445
• [Bug] Anthropic API Error: Internal Server Error (500)
  Resolved 💬 6 👍 10 #21439
• [Bug] Inconsistent usage percentage display between /usage page and CLI
  Resolved 💬 12 👍 7 #21621
• [BUG] freezing on macOS using --resume, /resume, /feedback
  Resolved 💬 8 👍 4 #22088
• [BUG] "4;0;" notifications appearing on Claude start and quit
  Resolved 💬 5 👍 5 #21435
• Bug: Memory leak causing OOM kill on Linux (15-17GB memory consumption)
  Resolved 💬 8 👍 4 #21403
• [Bug] CLI crashes/freezes on startup in v2.1.27
  Resolved 💬 5 👍 4 #22165
• [BUG] Native-Build client - massive performance issues
  Resolved 💬 4 👍 4 #21493
• [BUG] claude.ai Remote MCP servers not syncing to Claude Code 2.1.29
  Resolved 💬 9 👍 2 #22432
• [Bug] Unhandled 500 Internal Server Error from Anthropic API
  Resolved 💬 4 👍 3 #21442
• [BUG] Claude in Chrome MCP shows "connected" but tools return "Browser extension is not connected"
  Resolved 💬 4 👍 3 #21404
• [BUG] API Error: 500
  Resolved 💬 6 👍 2 #21444
• [BUG] chrome extension isn't working. 2.1.22 (Claude Code). An agent in cli can't connect to chrome browser. It was working before, but now it is not working
  Resolved 💬 4 👍 2 #21509
• [BUG] Bun Bun Segmentation Fault Crashes on Windows
  Open 💬 7 👍 1 #21469
• [Bug] Anthropic API Error: 500 Internal Server Error on all prompts
  Resolved 💬 4 👍 2 #21443
• [BUG] Plugin SessionStart hook fails on Windows (hook script never executes)
  Resolved 💬 6 👍 1 #21468
• [BUG] ctrl+v paste only little persent of real message
  Resolved 💬 3 👍 2 #21461
• [Bug] Anthropic API Error: 500 Internal Server Error with Claude 3 Opus model
  Resolved 💬 6 👍 1 #21441
• Chrome native host crashes on Windows with Bun panic: "Internal assertion failure"
  Resolved 💬 3 👍 2 #21421
• Claude in Chrome extension not connecting to Claude Code CLI on Windows 11
  Resolved 💬 3 👍 2 #21415
• [BUG]
  Resolved 💬 5 👍 1 #21948
• [BUG] v2.1.23 causes VS Code Extension Host to pin ~30% CPU while idle, cursor flickering, unusable chat panels
  Resolved 💬 4 👍 1 #21742
• [BUG] Chrome extension native messaging connection not initiated on Windows when Claude Desktop is closed
  Resolved 💬 4 👍 1 #21607
• [BUG] @.claude/ autocomplete shows global ~/.claude/ instead of project-local .claude/ directory
  Resolved 💬 6 #21587
• [Bug] German language regression — English words leak into German responses + grammar errors (2026-01-28)
  Resolved 💬 6 #21446

Changelog