Claude Code v2.1.5

Released Jan 12, 2026 (7 months ago).

"References this build" means the issue body mentions running 2.1.5 (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 v2.1.5

Ranked by community engagement (reactions and comments).

• [BUG] creates `tmpclaude-*-cwd` files in the current working directory
  Resolved 💬 72 👍 88 #17600
• [BUG] Skill-scoped hooks defined in SKILL.md frontmatter are not triggered within plugins
  Resolved 💬 23 👍 34 #17688
• [BUG] Linux sandbox broken - bad bwrap calls and no allow permissions
  Open 💬 17 👍 22 #17727
• jdtls-lsp Plugin Fails on Windows Due to Invalid File URI Format
  Open 💬 17 👍 19 #17643
• [BUG] CLAUDE_CODE_HIDE_ACCOUNT_INFO not working on Windows
  Open 💬 12 👍 17 #17573
• [BUG] Interactive CLI degrades over time, leading to UI lag and repeated timeout errors
  Open 💬 23 👍 13 #17711
• [BUG] Claude Cowork "API Error: Connection error"
  Resolved 💬 37 👍 6 #18006
• [BUG] Claude code leaves temp files
  Resolved 💬 10 👍 11 #17720
• [Bug] Claude Code CLI performance degradation after sustained usage
  Open 💬 8 👍 11 #17590
• [BUG] Excessive tmpclaude-*-cwd temporary files being created in working directory
  Resolved 💬 5 👍 11 #17673
• Claude Desktop Cowork tab fails to connect - ERR_CONNECTION_RESET at auth step
  Resolved 💬 12 👍 8 #17868
• [BUG] Claude Chrome Extension - unable to Authorize
  Resolved 💬 20 👍 4 #17790
• [Bug] Unexpectedly high token consumption rate since January 2026
  Resolved 💬 8 👍 8 #17687
• [BUG] UNC paths in working directories cause settings.json permissions to be ignored
  Resolved 💬 8 👍 7 #29935
• Escape key not canceling actions
  Resolved 💬 8 👍 6 #17817
• [BUG] Not able to use extra usage
  Resolved 💬 19 👍 2 #17694
• [BUG] VSCode Extension fails to load with ServiceWorker error when ~/.claude/projects folder doesn't exist
  Open 💬 3 👍 7 #17822
• [Bug] Temporary tmpclaude-*-cwd files not cleaned up after session end
  Resolved 💬 8 👍 5 #17792
• VS Code extension: Artifact rendering issues - unreadable formatting
  Resolved 💬 8 👍 4 #17463
• [BUG] Claude hangs in "Caramelizing" state after completing task with background processes
  Resolved 💬 9 👍 3 #20336
• [Bug] Temporary files with "tmpclaude-xyz-cwd" pattern left in repository root
  Resolved 💬 9 👍 3 #17863
• [BUG] /terminal-setup command not working correctly with Windows Terminal
  Resolved 💬 3 👍 5 #17782
• [BUG] Claude Code hangs silently with corrupted config instead of showing clear error
  Resolved 💬 11 👍 2 #21244
• False 'Update available!' banner when already on latest version
  Resolved 💬 5 👍 4 #17825
• [BUG] tmpclaude-*-cwd files created in project directory on Windows MINGW64
  Resolved 💬 5 👍 4 #17777
• [BUG] Bash tool leaves tmpclaude-*-cwd files uncleaned on Windows/Git Bash
  Resolved 💬 2 👍 5 #17589
• [Bug] WebFetch calls hang indefinitely without timeout
  Resolved 💬 4 👍 4 #17735
• [BUG] Mac Terminal goes into stroboscopic spasms
  Resolved 💬 12 👍 1 #17677
• tmpclaude-xxxx-cwd are left littering project
  Resolved 💬 2 👍 4 #17910
• VS Code: 3 blank windows open when launching Claude from VS Code terminal
  Resolved 💬 4 👍 3 #32846

Changelog