Mojave is working (seemingly so far) great on my Unraid 6.6.0
I used the direct upgrade method from a High Sierra VM I had previously created from Spaceinvader's guide. I had followed the guide completely.
Using QEMU 3.0 with q35-3.0 machine type
The VM has 8GB RAM and 4 virtual CPU cores
Using Clover 4458 2.4k_r. I made sure to put FakeSMC.kext in the EFI/CLOVER/kexts/Other folder. I didn't bother to make a 10.14 folder.
I tried using Clover 2.4k_r4672 but QEMU repeatedly crashed with the following error:
PFLASH: Possible BUG - Write block confirm2018-09-27 07:10:57.966+0000: shutting down, reason=crashed
Passed though Geforce GT 710
My physical machine
Intel® Core™ i5-4590 CPU @ 3.30GHz
20GB RAM