Doubt they will support new M1 chips
For many years Egosoft have not been rebuilt for a 64-bit platform in order to be able to use games under modern versions of MacSs. And making a reassembly from 32 bits to 64 bits is much easier than for ARM.
X³: TC and AP - Mac support thread
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Re: X³: TC and AP - Mac support thread
its not possible to rebuild for 64-bit. The whole game would have to be remade from scratch
Re: X³: TC and AP - Mac support thread
X3TC works good through Parallels on Macbook Air M1 16Gb RAM and quiet slow using Crossover, especially loading process