Masking select object while in full screen mode

[cvdunton]

Wondering if anyone else has seen this.

I was using Lightroom Classic in full screem mode. I selected Masking/Create New Mask/Select Object. As soon as I moved the cursor over the image, Lightroom slid off the screen and I was looking at my home screen. Once I exited full screen mode, I was able to select the object and have it masked perfectly.

I'm using LRC 12.3, running under macOS 13.3.1, on a Mac Studio with an M1 Ultra chip.

[johnrellis]

Please do the LR menu command Help > System Info and copy/paste the entire contents here so we can see exactly which versions of hardware and software LR thinks you're running.

[cvdunton]

John, I'm chagrined and more than a bit embarrassed to admit this, but the issue has been resolved. Let me explain.

I had been working for several days on a 2500 image import from a recent 7 day shoot. I had noticed that LR was getting a bit sluggish doing simple things, like moving from image to image, but rather than stop, back up my catalogue and restart, I just kept working. But FINALLY, after running into the masking problem and posting to the forum, I thought to quit and restart LR. I'm not sure if that would have been enough, because after LR finished backing up my catalogue and quitting, I noticed that the LR icon in the app tray was still showing the program to be running. So at that point I did a force quit and restarted the OS. That put everything back to normal. Was it a memory problem with LR or the OS or both? I suspect the latter, but will never know for sure. 

At any rate, thank you for your quick response and forgive me for not thinking this through before posting.

Charlie

[johnrellis]

No need to feel embarrassed. When LR starts misbehaving, all sorts of confusing things can happen.