P: Alt+drag layer mask - Copies but layer icon does not update

Great! Finally. Hopefully no new problems to find in this update. But I'm glad for this fix.

Finally!  Over 8 months to fix. 😮

Finaly..... Update v25.6 fix the issue 🙂

Crazy.  How does this bug still exist?  You have to drag the mask twice or toggle the layer visibility to update the thumbnail.  Surely that's not a hard bug to fix.  For something a lot of people run into multiple times a day, I would think this would have been fixed long ago.

How I go about it right now is I invert the mask twice. Then it will update as well. But it is a hassle and I have to remember to do it and big mistakes can easily occur. I'm working for big publications and I can't afford to have a faulty mask in my files.

Really pleading for a fast fix for this. 

Today the update to 25.5
Unfortunately a disappointment, the bug is still in there

"For me, if I drag the Layer Mask twice, and on the second time the layer mask updates propperly, don't know if that helps someone."

I would never have thought of that... Super tipp, so I can work at least to some extent in the current version :-). Thanks a lot for that!
Of course this is not a final solution. I'm really surprised that Adobe doesn't seem to recognize the problem. And also that more users don't come forward with this problem.

I'm having the same issue, it's extremely annoying. For me, if I drag the Layer Mask twice, and on the second time the layer mask updates propperly, don't know if that helps someone. But Adobe really has to improve these last versions! Since 24 versions, I've had to endure all kind of bugs, checking on Adobe community for hacks like "Deactivate Native Canvas", "Older GPU mode (pre 2016)", etc. to make Photoshop work properly. Writing the damn PSConfig text file to have Pen Pressure on Windows since forever. One should not have to go through all these stuff to make a program work propperly Adobe!

Every new updates brings usually more problems than it resolves unfortunately. I'm havind the same issue and I don't seem to be learning from that mistake. I'm rolling back a couple of versions until all the new annoying bugs have been removed.

I have been having the same issue. V25