The hardware acceleration option looks very unnatural and
Since Archicad 25 it has been called hardware acceleration.
it stills has the same settings.
The change was just a UI simplification due to iOS moving to Metal.
Yes. From Archicad 26, Direct3D replaced OpenGL as 3D graphics API, similar to the change from OpenGL to Metal on macOS
BIM ManagerDKO Architecture - HCM