In STREAM mode an event should be automatically retracted based on its end timestamp, not on the start one.
Fixed by https://github.com/droolsjbpm/drools/commit/c4e37235519e4f8c822bfcf71b0ea4d365ccf5cf
Verified on 5.3.1.BRMS-P04.
This product has been discontinued or is no longer tracked in Red Hat Bugzilla.