[Bug] Memory Leak Causing Mac System Crash During Extended Sub-Agent Sessions

Resolved 💬 6 comments Opened Oct 2, 2025 by chrisohalloran Closed Jan 7, 2026

Bug Description
after sever hur long session, extreme memory leak causes Mac to crash, was using sub agents, unsure if that was a contgriuting factor.

Environment Info

  • Platform: darwin
  • Terminal: ghostty
  • Version: 2.0.2
  • Feedback ID: 6b23b6ac-d41f-4188-855c-fa791c81ead4

Errors

[{"error":"Error: Language not supported while highlighting code, falling back to markdown: \n    at FK (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:2337:1226)\n    at file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:2337:954\n    at Array.map (<anonymous>)\n    at vX (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:2337:945)\n    at Z2B (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:2337:13021)\n    at $C (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:34:19415)\n    at Xp (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:36:42814)\n    at W9 (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:36:38355)\n    at Dh (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:36:38283)\n    at jC (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:36:38137)","timestamp":"2025-10-02T08:39:06.657Z"},{"error":"Error: Language not supported while highlighting code, falling back to markdown: \n    at FK (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:2337:1226)\n    at file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:2337:954\n    at Array.map (<anonymous>)\n    at vX (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:2337:945)\n    at Z2B (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:2337:13021)\n    at $C (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:34:19415)\n    at Xp (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:36:42814)\n    at W9 (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:36:38355)\n    at Dh (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:36:38283)\n    at jC (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:36:38137)","timestamp":"2025-10-02T08:39:06.665Z"},{"error":"Error: Language not supported while highlighting code, falling back to markdown: \n    at FK (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:2337:1226)\n    at file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:2337:954\n    at Array.map (<anonymous>)\n    at vX (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:2337:945)\n    at Z2B (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:2337:13021)\n    at $C (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:34:19415)\n    at Xp (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:36:42814)\n    at W9 (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:36:38355)\n    at Dh (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:36:38283)\n    at jC (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:36:38137)","timestamp":"2025-10-02T08:39:06.665Z"},{"error":"Error: Language not supported while highlighting code, falling back to markdown: \n    at FK (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:2337:1226)\n    at file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:2337:954\n    at Array.map (<anonymous>)\n    at vX (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:2337:945)\n    at Z2B (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:2337:13021)\n    at $C (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:34:19415)\n    at Xp (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:36:42814)\n    at W9 (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:36:38355)\n    at Dh (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:36:38283)\n    at jC (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:36:38137)","timestamp":"2025-10-02T08:57:54.757Z"},{"error":"Error: Language not supported while highlighting code, falling back to markdown: \n    at FK (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:2337:1226)\n    at file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:2337:954\n    at Array.map (<anonymous>)\n    at vX (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:2337:945)\n    at Z2B (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:2337:13021)\n    at $C (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code

Note: Error logs were truncated.

View original on GitHub ↗

This issue has 6 comments on GitHub. Read the full discussion on GitHub ↗