Claude Code 2.1.267 ships 53 changes including maxEffortLevel

Claude Code released version 2.1.267 just 18 hours after the previous one, packing 53 CLI changes including a new maxEffortLevel setting, a system prompt snapshot toggle, and multiple connectivity and rendering fixes.

2026-09-10 ~ 2026-09-10 · 4 related posts

• Claude Code 2.1.267 Full Changelog: maxEffortLevel, System Prompt Snapshot and More Fixes — mark_k · 2026-09-10
• Claude Code 2.1.267 Ships 53 CLI Changes, Adds maxEffortLevel Cap Across Providers — ClaudeCodeLog · 2026-09-10

2 near-duplicate retellings: ClaudeCodeLog · ClaudeCodeLog