Another nice offer is from Berlin. Laubwerk team offer discounts in range 25% - 55% OFF dependent on count of plant packs or update to SurfaceSpread 2.
More info here:
https://www.laubwerk.com/press-releases/kit17-updates-black-week/
That doesn't just apply to Correction deformer-based selections under nulls - it is the same even if a direct child ! It is a known bug in 2023.1 unfortunately. I think it should be fixed soon.
CBR