It is unfortunately not very helpful, given that I don’t have any iPads or arm-based Apple computers, and I don’t think that newer version of OS X would run on other arm-based computers, even 64-bit ones.
The web port is buggy, and as far as I get it it was made by a different developer. I can’t find an address to report the bugs. So I was wondering if other ports, such as this one to löve2d are less buggy.