Got QuakeSpasm running on a 1999 G3 with translucent water, shadows and emissive lights on. 5 → 19.80 fps on demo3 at 1024×768. +288% over the early port.
Seven rounds with Claude Code, six old Macs on a bench, one fat 3-arch binary that picks up its own autoexec config per machine.
https://www.matthewdeaves.com/blog/2026-05-09-quakespasm-six-old-macs/
