Hello @Biosyn guess you are asking for something this:
Stacking for macro or astro is not simple matter for software to calculate. In general you won’t even use the same software for both although you theoretically could. Meaning there’s software better used to stack macros and other software better for astro.
I would like to see it integrated too, but then done properly. But that is a lot to do so I will not vote for this request - DxO has smaller more fundamental things to fix.
I use Helicon Focus for macro. Haven’t tried astro but I read there are better solutions than Helicon for that. A good integration would mean additionally offering features from all these different stacking tools inside PhotoLab.
What I am saying is: I think it’s too specialised and complex to be integrated.