Most of your points are not improvements, m9k, but differences. Quite frankly for most of them I far prefer PhotoLab’s way of handling these adjustments. The last thing the world needs is another Lightroom clone (there’s already Lightroom). Example:
PhotoLab very sensible separates straighten and crop. I loathe the way it’s done in Lightroom. The best preset for Horizon and Crop (and it’s in my standard Zero Corrections + Leica M8/M10 colour preset) is auto crop on, unconstrained. Nothing on Horizon. If I do decide to straighten the image, then as soon as I have, there’s an autocrop with all the black space moved away but no constraint on aspect ratio so adjusting the crop is instant.
Much faster and more accurate than Lightroom and no freezing up of the computer as it tries to move around all those grid lines and the whole image while cropping it.
Copy correction settings: if you browse around here, there’s some long threads devoted to the subject. It’s really easy to get a subset in PhotoLab. Just turn off the panels you won’t want copied over and turn them back on again. It’s just as easy to do that as be confronted with that discouraging Lightroom 50 checkmark interstitial screen.
Again, I’d suggest quite separately from the PhotoLab issue that you learn to work with software and not against it.
You kind of like PhotoLab after just a couple of weeks and after coming in prejudiced against it. I can’t stand Lightroom and I worked with it as a main digital darkroom for almost two years and was expert in it. When you learn the software, then there will be time to criticise it and make feature requests.
Right now you could start by asking the community if there’s a better way as you haven’t found it, didn’t want to work through Pascal’s free and excellent tutorials or fully read the manual (also downloadable as a PDF, hélas the PDF is automatically generated and not very well formatted, current one attached here).
DxO-PhotoLab-manual-2019-04.pdf (22.9 MB)