20.22.0 (2026-10-15) Features playground: add Meta muse-wonder-1.0 and gemini-4-argon (#16976) (d5168d1) Bug Fixes oauth2: preserve SameSite=Strict cookies on server-owned return_url after IdP sign-in (#16997) (c332b0c) Documentation add Claude Managed Agents tracing docs (#16989) (54fe899) add standalone release note for the Harbor plugin (#16977) (fe4a06b)