Denoise settings change after quit and restart of PL

Photolab 9.10 build 53, M1 Max MBP 32GB, MacOS Sequoia 15.7.8

Was working on a series of photos and finished around 10 before calling it a night and quitting Photolab. Upon opening up today to continue, I noticed, after PL needing a lot of time to generate the preview, that my denoise settings were not as I left them. The dead pixels slider was at zero, and it was grayed out not allowing me to change it at all. I turned off denoise, and even though it was toggled to off, the dead pixel slider returned immediately to its usual setting of 24 (I don’t think I’ve ever seen it default to anything else anyway). When I toggled denoise back on, it stayed at 24 as it should and as it was set previously upon closing the application.

Anyone else seen this or similar? Or can someone with a similar setup see if they can reproduce?

Thanks for any ideas…