FLstudio a few days ago.
TL;DR - It appears I was launching Pattern B's event editor from within Pattern A's FLEX interface, and the event editor was also telling me it was for Pattern A.
Edit4: Got it. Mystery ...
fl-studio. Am I able to use its vst3 editor and use midi pass through from my midi keyboard? Last time I check, I'd have to open both the editor and midi out channel and play it using the midi ...