The following was detected by the Metadata regression tests:

Event metadata "com.oracle.jdk.AllocationRequiringGc" was not found in baseline recording.
Event metadata "http://www.oracle.com/hotspot/jvm/java/reserved_stack_activation" was not found in baseline recording.
Event metadata "http://www.oracle.com/hotspot/jvm/vm/gc/phases/concurrent" was not found in baseline recording.