As Andrew describes in the performance FAQ, the Intel Iris integrated Graphics are really bad on OpenGL. What are the chances to get the performance improved as there are a lot of macbooks out there which use the intel iris?
The performance gets a deeper dip on the vst plugin, as there is no limitation on the framerate possible on the vst plugin. Will this be added later? Maybe in a vst3-Plugin?
Apple M1 runs really smooth, so you might add the M1 in the list of recommended GPUs.