A maintenance release with a security-relevant gRPC dependency upgrade, Pulsar Avro and JSON schema handling corrections, and a Scheduler cluster recovery fix. It also adds raw payload topic metadata and updates Avro payload conversion and CloudEvents schema registration.
Action needed (1)
securitycriticalThe
google.dependency and CVE-2026-33186 resolutiongolang. org/grpc The affected
google.dependency is upgraded to a version that resolves CVE-2026-33186. The fix ships in this release.golang. org/grpc
Check if affected (2)
breakingRejected
rawPayload=truepublishing to CloudEvents-wrapped topicsApplies if
rawPayloadis set for a CloudEvents-wrapped topic.breakingStructural validation for
.topicsjsonschema Applies if you configure
..jsonschema