Early on, the new masking tool seemed great in LR, especially the "select subject". Over the past month, I have noticed the inability to find and mask a subject. In some instances, it can't find the subject at all. In others, it creates a "mask", but there is nothing in that mask. I have tried it with a multitude of images: where the subject is clearly in focus the background out, significant color differences between the subject and background, and various permutations of those things.
In Photoshop, selecting Select>Subject yields the same end result for many of the same images. I never had that issue previously. My Lightroom is the latest version. I then experiment with some scenics. It could seem to find the sky. Even trying to select a lone tree against a neutral sky/background yields a very weird selection. In Lightroom, I literally tried it on more than 25 different photos, ones where the photo had an obvious person, and others where it was an object. Frequently, if it DID find something, the masking was weird and incomplete: selecting part of a shirt, an out-of-focus tree, part of an arm. It doesn't seem to matter if the image is 4MP, 30MP, or 45 or 50MP.
I went all the way back to PS 2021 to find Select subject that actually worked for me. When I chose the subject from a recent commercial shoot, I got the marching ants. With 2023 and 2022 I did not. I got nothing. I opened the same tiff file in Lightroom and again, it failed to select a subject.
Anyone else come across this anomoly? Makes me glad I always keep older copies of PS on my system. I wish I had done teh same with Lightroom.