OpenAI Agents and LangChain usage captured; Vercel AI stream errors handled exactly once

8.6.2

Patch Changes

• #4370 ea64094 Thanks @marandaneto! - Capture Chat Completions usage from OpenAI Agents spans. (2026-08-04)

• #4368 45c0559 Thanks @marandaneto! - Remove the undeclared OpenTelemetry core runtime dependency. (2026-08-04)

• #4369 6e2f33a Thanks @marandaneto! - Resolve OpenAI Agents APIs through the declared peer dependency. (2026-08-04)

• #4371 a9a78c0 Thanks @marandaneto! - Support current LangChain message usage and response metadata. (2026-08-04)

• #4363 821a2c6 Thanks @marandaneto! - Safely capture circular and otherwise unknown telemetry values with a shared JSON-safe value converter. (2026-08-04)

• #4367 5483f25 Thanks @marandaneto! - Handle Vercel AI stream errors and cancellation exactly once. (2026-08-04)

• Updated dependencies [d4ffb83, 821a2c6]:

  • posthog-node@5.47.8
  • @posthog/core@1.46.6