Don't worry about it, there's no need to rush things.
It really is incredibly strange how random this whole thing seems to be. Did you notice any similarities between the systems that struggled with the demo?
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Most of them were Intel machines with NVIDIAs, BUT most machines are Intel machines with NVIDIAs so that doesn't really mean much, especially since there were at least 1 or 2 reported Ryzens and Radeons.
Porting is going well though. I've been sharing some progress with that on Twitter. It'll be better to have the majority of the game in C++ anyway.