MP 1,1-5,1 Mac Pro 5.1 (4.1) with OC 2.12 and Ventura almost perfect.

[acstudios]

Everything seems to be exceptionally stable other than the first few days had the GPU fan cranking its way up when in sleep mode. That has corrected itself somehow, so the only thing left on the list is a strange pixelation when dropping down username / password forms and taking partial screenshots of the screen.

I'm running a 4.1 flashed to 5.1 with 2x Xeon X5675, 96GB, 2x RX560 4GB and an OWC 4M2 PCIe.