This fixes an NPE in TM4E that was useful for Corrosion blocker investigation, but it's not a requirement as the standalone fix in Corrosion is enough. The issue in TM4E wasn't the blocker for Corrosion.
Similarly to Corrosion, I've put the snapshot of TM4E in SimRel, so same cause same effect. That said, it's a good thing this patch got into SimRel and I think it's safe and better that it is included. The only 2 downstream project (Corrosion and TM4E) I'm aware of are between not and positively impacted by this update.