Claude Code 2.1.291 Fixes Cloud Session Message Loss Regressions

Claude Code shipped CLI 2.1.291 just 10 hours after the last release, fixing two regressions: cloud sessions losing answers to permission prompts (introduced in 2.1.290) and messages lost on exit. Reports also note system prompts now take up 66% of context.

2026-10-06 ~ 2026-10-06 · 3 related posts

• Claude Code 2.1.291 fixes cloud session and message-loss regressions — ClaudeCodeLog · 2026-10-06
• Claude Code 2.1.291 Fixes Session-Drop Regressions, System Prompt Tokens Jump 15% — ClaudeCodeLog · 2026-10-06

1 near-duplicate retellings: ClaudeCodeLog