Auto Deselects After Upgrade

Question

I encountered a very annoying bug after updating to the latest version of Lightroom classic yesterday.
When using AI-based selection tools (like Select Subject, Select Background, etc.), I noticed that the selection occasionally cancels itself immediately after making it — as if I never clicked anything. It happens unpredictably, but after using a few AI selections, the issue starts appearing again and again.
I've confirmed:

My keyboard is working perfectly fine (no stuck Escape keys or anything like that)

I'm using the latest Lightroom update

Restarting Lightroom temporarily resolves the issue — but only for a short while

It becomes a repeated pattern, especially when doing multiple AI-related edits

This bug significantly disrupts my workflow and makes AI editing feel unstable. I rely on these tools daily and hope this can be addressed in a hotfix soon.
 
[Moved from ‘Lightroom ecosystem Bugs’ to ‘Lightroom Classic Discussions’ by moderator, according to forum rules.]

JohanElzenga · Answer

I have never encountered this, and quite frankly I think that if this was really a bug, this forum would contain a massive thread about it already. So I suggest checking your keyboard again, and especially your mouse. It could also be a problem with corrupted preferences. Corrupted preferences are known to cause all kinds of strange issues. So try resetting them to see if that solves your problem:

https://www.lightroomqueen.com/how-do-i-reset-lightrooms-preferences/

P.S. You are not running MacOS 26 beta, are you?...

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