Failed update after taxon change

Can’t remember if this has been noted previously as a subspecies-related glitch:
Cherrie’s Tanager (Ramphocelus costaricensis) has been lumped into Ramphocelus passerini. The change was implemented in November. However, there are still 51 RG observations of the now inactive taxon: The identifications have been updated, but the taxon has not changed, though oddly some similar observations have been updated successfully.

Adding one more subspecies ID does make the change happen:

6 posts were merged into an existing topic: Incomplete taxon swap bug creating two maverick IDs and no agreeing IDs