Believe ive only tested with playstation cores, but it seems achievements are broken with chd files on ios/tvos devices as they dont show up at all. The same chd works fine with achievements on pc. Tested several games
I see the same behavior. Converting CHD back to bin/cue enables achievements.
@trotsky40 yah same issue on switch apparently. Some code line is off or something. “Has chd” is missing. I posted the issue on github but no replies. https://github.com/libretro/RetroArch/issues/11099