2.239.0 (2026-06-08)
Features
- add metric search, experiments field and update (#7724) (3d34cbc)
- choose project administrators on project creation (#7580) (1bf8bda)
- experimentation: environment-scoped metrics & experiment results (#7674) (f4b246e)
- MCP: Add Docker image and release publishing (#7694) (19fa405)
- MCP: Emit session and tool call events (#7707) (36ef8dd)
- MCP: Expose Prometheus metrics (#7705) (8ef95e0)
- MCP: OAuth 2.0 support for HTTP transport (#7692) (35664ed)
- MCP: Run an MCP server out of OpenAPI specs (#7670) (4688419)
- MCP: Set up logging and OpenTelemetry export (#7706) (f3c738b)
- multivariate: add per-feature unique key to multivariate options (#7698) (6fcede7)
- multivariate: report variant key on identities flag responses (#7723) (08b9690)
- multivariate: thread variant key into the environment document (#7699) (ed18061)
- sdk: add variant key to evaluation schemas (#7704) (2eae0ff)
- sdk: make evaluation result variant required and nullable (#7726) (9036dbf)
- verify warehouse connection api and events received (#7677) (d0ac9b5)
Bug Fixes
- API: bump PyJWT to 2.13.0 (CVE-2026-48526) and add to dev dependencies (#7714) (09bac40)
- Improve ButterBar text contrast on banners (#7684) (cf0d7b0)
- infra: Drop SECURE_PROXY_SSL_HEADER_NAME override (#7499) (ab37e29)
- Runtime: Fix uv compatibility in local envs (#7720) (4ffbf74)
Dependency Updates
- Bump uv to 0.11.18 (#7708) (cbcac64)
- update dependency pytest to v9 [security] (#7689) (253111c)
- Update python-dotenv and idna (transitive dependencies) (#7682) (08e6853)
- Update sentry webpack plugin (#7683) (de382aa)
- updated track event callsites with new interface (#7666) (0a935c7)