Starlight (formerly mini) does work on my M2 Ultra with 64GB of RAM.
It is slow, about the speed of a RTX 4070 with TVAI 7.0.2 and at times uses nearly all RAM (so it’s probably not so a good idea to go with the minimum of 32GB…) and the quality - while massively up from the first beta - isn’t quite fully on par with SLM on TVAI 7.0.2 on the Nvidia chip.
Still near enough that one can hope that this delta can be easily closed - if Topaz wants to, that is (considering that quality has been said to have reduced also on NVIDIA GPUs).
See here for some examples (the Mac SLM model in the 1.0 „Studio“ release version is said to be the exact same as the one in that 7.0.2.3b).
P.S.: Sl sharp isn’t (yet) available on the Mac for local rendering at all.