Canvas size dimension changes are not logged when creating an action with Modern User Interface turned on

Before I was even aware ‘Modern User Interface’ was a thing, I had noticed that actions I made with canvas size changes had not been recording properly. The action registers canvas size as a step, but not the dimensions -

Only today when I was reading about the ‘Modern User Interface’ and the ability to turn it off, did I put two and two together. Low and behold, with MUI turned off the action recording now works as expected:
 

I’m using 27.6.0 on a Mac Studio 65GB ram.