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.
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