On a Mac mini I bought specifically for Affinity soft few years ago it's nothing special speed wise. Bet it needs true video card . I unsubscribed from PHotoshop for a half of an year but eventually went back to PS. Affinity Photo has few superior features over PS 1. Much speedier work in 16 bit not taking forever like PS…
TGA has been added as an export format, yes. My updated view is that Affinity on Mac is stronger than the Windows counterparts. Ever since they introduced hardware acceleration there is no comparison IMO. Windows seems to lag a bit behind in a few other areas as well from what I noticed. So, large brushes, large documents…
I pretty much only wait for a bit more stability and bugfixes they have still to do on windows. Sometimes the program lags for a few seconds but it's gotten so much better over the last year that I'd be surprised if they didn't get it right in the next few updates. And a little bit of UX, scripting and customization would…