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- Feb 15, 2018
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The problem with VM running Apple software, is that Apple doesn’t want to sign the video driver. That’s why you only get 128MB on most virtual machine with no GPU acceleration. I think everything from the metal era onward is not going to have video support.I have already been skeptical about Big Sur and previously has decided that I will wait until late 2021 (more or less after the last major system update to Big Sur has been released) to install and run Big Sur. I am franky becoming a bit tired of these annual OS updates on my computers as it does not seem to offer anything remotely useful over the current OS that I am using (It is also one of the main reasons I still refuse to adopt Windows 10 on my PCs.).
Another one of the reasons being, as a user of VMware Fusion using nested virtualization occasionally, the performance of VMware Fusion 12 on Big Sur when using nested virtualization is simply unacceptable :
Abysmal Performance in Fusion 12 after upgrade to macOS Big Sur
After upgrading to macOS Big Sur, performance on my VMs went from great to utterly abysmal. Remedial tasks like opening the Start menu, opening Notepad etc. can now take up to half a minute. Windows are drawn on the screen line-by-line with half second intervals. The host computer is a 2018 Mac...communities.vmware.com
There are no significant performance degradations if you run VMware Fusion to use nested virtualization on older MacOS versions like Mojave and Catalina. It seems that it is after VMware Fusion adopts Apple's hypervisor framework on Big Sur that the performance plummets.
Now with Apple apparently deciding that there will be no more standalone updaters for Big Sur system updates (and perhaps the later Security Updates?), I consider the situation unacceptable, and my mind is made up that I won't upgrade to Big Sur. I will continue with MacOS Sierra / High Sierra / Mojave / Catalina, until such a time when running MacOS on Intel hardware is no longer tenable (and when that time comes I will probably simply go back to Windows full time). I will also no longer consider getting an Apple Silicon Mac, as they can only run Big Sur (and later). I shall see if Apple will reverse this decision in the future, and if so I might also reconsider.
According to Howard Oakley on The Eclectic Light Company :
Last Week on My Mac: Begging from Apple
We don’t know when Apple decided to introduce Big Sur’s SSV, but even now it hasn’t told users it won’t be releasing standalone updates for 11.0.1 or 11.1.eclecticlight.co
The reason for this decision is apparently due to difficulties with the Signed System Volume (SSV) introduced with Big Sur. I particularly don't like the fact that Apple has apparently made this decision without bothering to inform Mac users. I agree with Howard Oakley who said "Those who, in the past, have relied on standalone installers to update multiple Macs or in any other workflow have just been abandoned, left to plead their case for reinstatement of a longstanding service."
I will also "plead my case" through Apple Feedback, but frankly I don't think Apple will change its mind, at least not with Big Sur.
I shall continue to watch this situation closely.
If you install Windows on a virtual machine, you are going to have video support, not like running your GPU natively but at least usable.
Unfortunately, this is not the case with Apple. I did install Big Sur on a VM, but honestly is not worth it.
I think the Readon is why Apple does this is because they think, if a person can run macOS with GPU support on a VM, then they might not even buy a Mac.
of course you can run a VM and still have a mac but that’s the way apple think
every fully working VM is less money for us