[hmstx]

Q3test came out in 1999 - on the classic Mac OS he despised, even a bit before its final OS 9 incarnation. This was to get the biggest bugs ironed out on the most restricted hardware scope available as they were going HW accelerated only during a bit of a wild west period when it comes to that. We were all only reading about OSX in the press at the time - and when Q3 first made it to OSX proper, it was through a third-party (Omni Group).

JC did however switch to OSX as his primary development environment for some time when Apple was the first to ship the Geforce 3 in 2001, which was really the generation of hardware needed to do Doom 3 justice. A year later, it was all about ATI's new flagship card which pushed things further for his needs - back to windows, and I can't rembember from his .plan files whether he moved back before getting access to that hardware.