SequenceFlows (e.g. coming from Gateways) should show its name when it is set. That's all.
JBPM-7718 Stunner - improve labels for Sequence flows
JBPM-7673 Stunner - Default Sequence Flow indication
JBPM-7674 Stunner - Movable Sequence Flow name
JBPM-7675 Stunner - Editable Sequence Flow name from the canvas