0.137.0 (2026-02-06) Features v1: add run cancellation support (#2213) (27e6ac2) Bug Fixes api: abort LLM HTTP stream when run is cancelled (#2236) (a96d856) api: add PostHog env vars to turbo globalEnv for production analytics (#2239) (47cac2d) v1: set isError flag on tool result errors (#2229) (1aa04ad)