MacOS 10.14.5 / Mac Mini 2018 (i7 8700B / 32GB RAM) / eGPU RX 580 Thunderbolt 3.
On Ultra preset @1080p my FPS jumps in a heavy battles between 30-60 FPS, with metal i remember, i had twice more FPS even on @1440p. Does blizzard plan to return Metal support ever? Even SC2 / WoW has it right now.