Claude Code 2.1.274 full changelog: MCP startup timeout, new OTel telemetry and more
ClaudeCodeLog · x · 2026-09-17
Full changelog of Claude Code CLI 2.1.274: a visible critical-memory warning; new CLAUDECODEMCPSTARTUPWAITMS env var bounding how long the first non-interactive turn waits for connecting MCP servers (0 = don't wait); effort attribute added to the claudecode.llmrequest OTel span; new claudecode.managedsettingsresolved telemetry event for managed-settings sources; store.connecttimeoutseconds for the Postgres gateway connect timeout (default 5s); enduser.sub IdP subject added to telemetry, plus more.
Related event: Claude Code 2.1.274 Ships 108 CLI Changes(3 posts)→
More from coding & agent
- Open-Source Agent Harnesses Like Hermes Matter as Much as Open-Weight Models — granawkins · 2026-09-17
- 90% of enterprise agent pilots fail in production; AGI House hosts one-day sprint on delivery — agihouse_org · 2026-09-17
- Codex builds an iOS app and auto-submits it to the App Store end to end — ezshine · 2026-09-17
- Hermes Agent plugin ecosystem grows as user ditches OS to live inside the desktop app — max_paperclips · 2026-09-17
- Computer use in Muse: a vision-plus-actions loop that generalizes to any website — armand_ruiz · 2026-09-17
- DuckDB extension uses Jev to classify CSV rows in ~10s per 1k rows — josh_wills · 2026-09-17