An update to Go gRPC Protobuf generation will change service registration function signatures to use an interface instead of a concrete type in generated .pb.go service files. This change should affect very few client library users. See release notes advisories in https://github.com/googleapis/google-cloud-go/pull/11025.
PiperOrigin-RevId: 765227853
docs: Add comment that MULTI_SELECT in SelectionType is now available in Developer Preview for Workspace Addons
docs: Add comment that the Columns widget is now available in Developer Preview for Workspace Addons
PiperOrigin-RevId: 609795940
