Nothing to try yetTier: how much it should matter to you
2Useful: my rating, 1 to 5
5Signal: worth watching, 1 to 5
SDKArea: what it touches
In DevelopmentKind: in v2.1.228,
What probably matters to youSection of the release
New API resource classes are registered on the client with a managed-agents beta header but no command reaches them.
What
The bundled Anthropic client gained resource classes for deployments (with archive, pause, run and unpause), deployment runs, dreams (with archive and cancel), tunnels (with certificates, token reveal and token rotation) and webhooks. They are registered on the client and send the managed-agents-2026-04-01 beta header, but no Claude Code command or UI path calls them in this build.
Evidence
managed-agents-2026-04-01
Strings lifted out of the shipped bundle, so the claim above can be checked against them.
