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Dunno, after the awful everything I had with MacOS 11 "Big Slurp", I have had nothing to say but "Thank God"
(or, if one wants to be really accurate, "Thank the software engineers at Apple") for the MacOS 12 betas which made my Mac Mini 2018 behave itself again.
Agreed. The 2018 mini has been a bit of a horror show under Big Sur. Some updates would fix things, then broken by the next point release. Has been incredibly frustrating.

Beta 7 and 8 on the 2018 mini have conclusively fixed the crappy bluetooth for me; poor AirPods pairing and dropouts while on calls and hit and miss Apple Watch unlock all now solid.
I was almost certain it was a hardware issue at this stage, but apparently not!
 
I just hope that if and when the full installer is released for beta 8, that the SharedSupport fiasco will be resolved.

For those not aware of this, in beta 7 a major part of the full installer was missing and there were various ways of fixing it - some more successful than others - and until you fixed it you couldn't make a bootable usb.

For beta 7 you downloaded an 11.7GB full installer only to end up with a 34.8MB installer app - only to then have to re-download the 11.7GB SharedSupport to fix it.

I do hope that apple won't say something stupid like it's a new feature, not a bug - because if it is a feature, it is a REALLY STUPID FEATURE!

Re-download...Huh, I did not re-download anything.
 
Re-download...Huh, I did not re-download anything.
Well let me restate that.

If you downloaded the full installer for beta 7 the way apple want you to, then you end up with 34.8MB installer. InstallAssistant.pkg disappears. And then you have to redownload the SharedSupport to fix the installer.

Of course there are other ways to download it so that you don't have to re-download SharedSupport, eg. using MDS or gibmacos.

All this is purely academic now because the problem is fixed in beta 8.
 
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Well let me restate that.

If you downloaded the full installer for beta 7 the way apple want you to, then you end up with 34.8MB installer. InstallAssistant.pkg disappears. And then you have to redownload the SharedSupport to fix the installer.

Of course there are other ways to download it so that you don't have to re-download SharedSupport, eg. using MDS or gibmacos.

All this is purely academic now because the problem is fixed in beta 8.
I know my downloaded files persist because I told the system not to delete those files, I like to have a copy of things I download.
So, yes, I understand that that's the default setting, deleting "stuff" after installation.
 
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