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I also hate how they buried permission to open software not from Apple or trusted sources in System Preferences. Until now I could open everything from within the warning window, clicking the "open anyway" button. In Sequoia I have to go into System Preferences where that option now resides. Why?! Does Apple think that by burying the option in System Preferences, is going to stop people from opening it?! All it does is adding more steps! 😡

Do you still need/want to have this option?


Screenshot 2025-07-31 at 21.44.40.png
 
@Adora, this is an INCREDIBLY helpful post - thank you so much! I will check my machines using the Terminal commands you have listed and see what shows up.

No matter what however, if I go to System Preferences and click Time Machine "Off", I expect it to be off. No one will ever convince me that it is a marvel of modern software design to have it stay on and run snapshots anyway, in direct violation of a user's expressed wishes!
 
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This has been around for years and you just now figured it out? There are whole web sites which explain how this works. Google it, it is actually interesting read... And it is not new in Sequoia, this came with APFS file system few major releases ago.
Are you always this unpleasant when somebody doesn't know something?

And no, I didn't know because until now when I deleted something from any disk, it would immediately show in the Finder. I only recently switched to APFS after 15 years of working on a classic Mac Pro 2009 with Mac OS Extended (Journaled), so excuse me if I am not up to date on matters.

Is this true? I am running Monterey on my M1 Max Mac Studio and Sonoma on my M3 Pro MBP. I disable Spotlight and Time Machine on all of my machines, and given that I am playing around with Sorbet Leopard and SL_PPC, I regularly move around large files. When I delete them, I see the space come back right away.

If Time Machine works as you say, this should not be true?
I'm glad I'm not the only one who never saw this behaviour before. It only started after I upgraded to Sequoia.

I would be mighty PO'd if Time Machine keeps saving snapshots, consuming both CPU and disk space, when I have explicitly disabled it! Apple does NOT know better, at least not anymore!
Yeah, I hate it too. Who needs a big brother, right?

It is actually marvel of technology.
No doubt, but I like to have at least some agency over my own computer and all the externals and on how I manage storage and back-ups. Apple used to understand this but the last couple of years they seem to have become more and more paternalistic with a number of warnings, notifications, explanations and protective measures that are annoyingly obtrusive and very much unnecessary.
 
Re adora's advice in reply 31:

After executing this terminal command, you may need to quit system settings, and then RE-open it, and then go to privacy & security and set "allow applications from" to "anywhere".

Found this out from experience...
 
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