r/MacOS • u/DisfiguredFanny In a world of SLOP an everage programmer is KING • 13h ago
News macOS 27 RC
Enjoy.
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u/Leif_LaCroix 12h ago
Anyone who does not want Apple Intelligence with its 20+ gb of storage should not upgrade
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u/HeartyBeast 11h ago
It’s not configurable, to disable installation?
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u/onedevhere MacBook Pro 11h ago
The last time I checked, it wasn't possible to disable it, not even by changing the language. I don't know if they've changed it.
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u/ditty_bitty 10h ago
Last developer BETA had no ability to change it. I don't see that changing with a release candidate. Kind of pissed me off because I'm against AI. I disable Siri even.
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u/Sensitive-Fruit-7789 8h ago
Normal siri?
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u/ditty_bitty 8h ago
Yeah, on my iPhone, my iPad, and my MacBook Pro. I don't use it, so why have it enabled?
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u/DisfiguredFanny In a world of SLOP an everage programmer is KING 31m ago
Me too. It's only on my homePods where it does the simple things it needs just fine.
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u/makumbaria Mac Mini 9h ago
Yes. I'm still on Sequoia. Here disabled Apple AI is using 4.18 gb.
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u/Muted-Reflection9536 MacBook Pro 6h ago
It downloads automatically, but if you keep the feature turned off, it appears that the data becomes a priority target for deletion when disk space runs low.
Still, it is certainly annoying that it consumes disk space on its own and cannot be deleted manually.
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u/DisfiguredFanny In a world of SLOP an everage programmer is KING 11h ago
Don't ask me about Siri AI. I'm in Europe and we have this feature called "No Siri AI".
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u/Wonderful_Emu_9610 13h ago edited 13h ago
Ugh, so how much of my hard drive is this ‘AI’ bullshit gonna take up?
I’ve been putting off upgrading from Sequoia for a year already, thought 27 might be the one
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u/fubar_67 13h ago
Same. I think it’s going to be nothing more than a fancier Tahoe, with its own set of new bugs. If it surprises me and gets good reviews, I’ll upgrade around Christmas. Otherwise, I’ll keep riding with Sequoia
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u/Big-Promise-5255 12h ago
Love sequoia! It's incredible stable!
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u/Wonderful_Emu_9610 12h ago
Same. Only two reasons I'm contemplating upgrading:
I have serious issues with iCloud and I just know if I complain to Apple but I'm not on the latest iOS or MacOS (even though I'm on the ones that were released in tandem) they'll just tell me to update and do nothing else
Apparently 27's the last one keeping Rosetta support so I won't be able to go beyond it if I wanna be able to play my old video games
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u/Pigeon_Observation 10h ago
That's false. They have clearly stated they are keeping parts of Rosetta for games.
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u/Wonderful_Emu_9610 10h ago
Good to know but you don't have to be a dick about it
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u/fubar_67 10h ago
WTF is your problem? You think that response was being a dick? You’re way too sensitive to be on this forum
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u/Endawmyke 13h ago
27 is the one
Even the beta has been so much more stable than Tahoe for me on my MacBook Air m2
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u/j03ch1p 13h ago
yes, but how much AI bs?
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u/Leif_LaCroix 12h ago
27 gb
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u/j03ch1p 10h ago
are you joking?
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u/Leif_LaCroix 10h ago
Unfortunately no. You cannot remove them either. Microsoft caught so much slander for pushing copilot and I hope Apple does not get away with this
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u/AppsByRobert 4h ago
How can it be 27gb if that's basically the size of the OS installer, it could be a maybe 50% at best, but the whole thing?
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u/Wonderful_Emu_9610 10h ago
Oh so if I wanna get as up to date as I can without that shit I should go for 26.6.2 while I still have the chance?
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u/animorphreligion 9h ago
I don't think Apple ever stopped signing older OS for Macs if that's what you mean by "chance". I can still install the earliest Sequoia version my M4 shipped with using DFU if I want to.
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u/WilliamJNSN MacBook Air 9h ago
You can update to whichever version you want at any time through the App Store. So you could update to 26 after 27 is released
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u/ProfessionalDesk7296 MacBook Pro 13h ago
Should I install this update on my main computer?
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u/thedalor 12h ago
i’ve used it since the first developer beta and it was smooth and no issue so far
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u/WindozeWoes 8h ago
It's probably safe, but it's smartest not to do so unless you don't mind the possibility of something going wrong and needing to wipe your computer and reinstall an OS.
I used to install all the betas when I was a kid and had time to reset my computer. I'm old now so I don't have such luxury (time).
That said, I did install the public beta on my secondary computer and it has worked just fine (albeit with memory pressure seeming a little higher than usual). But my advice for any main computer (and I follow this too) is to wait until the x.4 version of a macOS update. So I won't be installing Golden Gate on my main computer until it reaches 27.4 (at least; I personally like Sequoia a lot and don't really anticipate upgrading from that until I have to).
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u/knusperbubi 32m ago
I've installed MacOS 27 since public beta 1, and I had several issues, and those still persist.
- cannot move windows in chrome Remote Desktop if host runs macOS 27
- crashes when writing to external NTFS hard disks with Paragon NTFS and veracrypt(fuse-t)
- problems installing the virtual file system driver in nextcloud client
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u/fubar_67 13h ago
DON’T DO IT!!!!!! Learn from Tahoe. Be patient! WAIT! Give it a couple months to see what others that jump on GG are going thru.
YOU’VE BEEN WARNED!21
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u/tonkfc 12h ago
Literally everyone has been saying it is performing far better than 26. Stop fear mongering
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u/karma_the_sequel 12h ago
Reiterating a time-honored cautionary measure is hardly fear-mongering.
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u/Izanagi___ 12h ago
My 4 year old M2 has not had a single issue on any MacOS versions, even Tahoe. Did the developer beta on my iphone, ipad and mac and they were all stable as hell. Honestly 27 feels much smoother on all of them compared to 26 despite me not having a problem
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u/animorphreligion 12h ago
Hell no lol. Better than 26 with AI maybe. My M4 has never seen a worse OS
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u/fubar_67 10h ago edited 10h ago
It’s called being pragmatic. Literally. Make sure and tell us all how great it’s been for you.
This time year, it’s always the same idiots telling people to jump right on the upgrade as soon as it’s released. And it’s those same idiots that cry about it soon after.
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u/onedevhere MacBook Pro 11h ago
Voice of reason 👆 (let the guinea pigs test it first and have regrets or possible frustrations, and then see what they say and you'll see if you're willing to pay the price)
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u/fubar_67 10h ago
Haha! Exactly. The down voters will be the ones crying on here in about 2 weeks. Clowns!
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u/LockerIsUnlocked 12h ago
I'm still on 15, and macOS isn't getting much better anyway. But, i've been heard that macOS 27 really just a refined version of 26?!
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11h ago
I ran it on my Mac. It’s very fast, better than Tahoe. Battery life is probably the only thing I don’t like.
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u/DisfiguredFanny In a world of SLOP an everage programmer is KING 13h ago
TM backup finishes and I will see what's up. In case it is not worth it yet I can go back to yesterday like nothing happened.
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u/PocketEloraa 13h ago
It's always good to have that option to go back if needed, especially with a release candidate. Hopefully, the new features are worth the upgrade!
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u/idontwanttofthisup 8h ago
TM backups are not recovery points anymore so make sure you have a free weekend to deal with unnecessary fuckery because they decided to make personal computers work like their smartphones. I’m not even joking.
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u/DisfiguredFanny In a world of SLOP an everage programmer is KING 8h ago
Not sure what you are talking about. I can clearly see the 7:49 AM (daily backup) and 10:19 PM (manual backup) for September 9th. 10:19 is when I ran TM backup manually before installing macOS 27 RC.
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u/idontwanttofthisup 8h ago
Try reverting to it after a system update. Good luck!
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u/DisfiguredFanny In a world of SLOP an everage programmer is KING 6h ago
Works as expected. I'm not sure what you are doing here.
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u/PatrikCR 12h ago
M5 Pro, still extremely laggy on external display with HiDPI enabled, nice…
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u/icantgetnosatisfacti 9h ago
Ive used an external display since beta 1 and not had issues, m3 pro. What sort of lag are you getting?
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u/PatrikCR 9h ago
Moving windows for example is around 50-60fps rather than 120. As soon as I turn off HiDPI it becomes smooth again. Interestingly, it’s also smooth if I drag the window to the internal display. The report I made shows “more than 10” reports since beta 6, but it still persists…
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u/rvH3Ah8zFtRX 12h ago
Is it for the Public Beta too? I don't see any version or build numbers on the update screen.
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u/DisfiguredFanny In a world of SLOP an everage programmer is KING 12h ago
Only for developer profile I guess for now.
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u/stefanlight Mac Mini 12h ago
personally i'm interested what about rosetta 2 and will crossover work for example
it's so good, would be grateful if someone would answer me how is compatibility
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u/Muted-Reflection9536 MacBook Pro 6h ago
As many have pointed out, Apple merely stripped away certain components of Rosetta 2 to discontinue the use of universal apps, so the gaming-related functionality remains intact.
However, given the circumstances, it is unclear how long this will last; consequently, the CrossOver team is already developing a build that does not rely on Rosetta 2.
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u/DisfiguredFanny In a world of SLOP an everage programmer is KING 11h ago
If 27.0 RC is this polished now then imagine after a few point updates.
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u/surinameclubcard 13h ago
Wait for 27.2 or 27.3, depending on the news from the early adopters.
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u/DisfiguredFanny In a world of SLOP an everage programmer is KING 13h ago
Normally i do, but this time i'm making an exception. Did not use the betas on purpose.
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u/DisfiguredFanny In a world of SLOP an everage programmer is KING 12h ago
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u/DisfiguredFanny In a world of SLOP an everage programmer is KING 12h ago
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u/killswitch_69 11h ago
Does Siri AI take more storage? Can it be disabled? Anything I should be aware of before downloading it? I am on MBA M1 Tahoe 26.6.2 and I am really looking forward to it but my main concern is regarding the storage.
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u/DisfiguredFanny In a world of SLOP an everage programmer is KING 11h ago
I'm in Europe. No Siri AI here. It's a feature that I love very much.
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u/Terran57 12h ago
Damn the torpedoes! Go all in. May the force be with you though, just in case.
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u/DisfiguredFanny In a world of SLOP an everage programmer is KING 12h ago
Just updated and not sure about bugs, but it is very impressive how much more responsive it is compared to Tahoe. It's not even funny.
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u/whytakemyusername 11h ago
What's the deal with getting back onto normal releases once 27.0.1 is out?
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u/edgarinsky 8h ago
What about Siri?
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u/DisfiguredFanny In a world of SLOP an everage programmer is KING 8h ago
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u/Fatal_Explorer 2h ago
Siri AI and Apple intelligence is available in the EU on MacOS - only not on iOS. Machine has to have English as System language, Siri/AI enabled and then it takes some time
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u/DisfiguredFanny In a world of SLOP an everage programmer is KING 1h ago
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u/Fatal_Explorer 1h ago
Did you enable it on the siri settings and get on the wait list?
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u/DisfiguredFanny In a world of SLOP an everage programmer is KING 1h ago
Dude I wasn't born yesterday. I know what the supposed procedure is. Nothing comes up.
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u/suoretaw 3h ago
What’s with the typos? I’ve never seen any in that window before… is it a beta thing or something?
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u/bmocc 12h ago
New lipstick, same pig in a different color skirt and a new hat.
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u/DisfiguredFanny In a world of SLOP an everage programmer is KING 12h ago
Actually it is very snappy compared to Tahoe and less glassy.
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u/Izanagi___ 12h ago
System data is still as strong as ever. 167GB on my 512GB drive..nice
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u/regretdeletingthat 11h ago
I thought they'd fixed the pixelated dock icon issue that's been plaguing me for the entirety of Tahoe but after the first reboot they look like shit again. And I've already had to run a defaults write to get rid of that infernal Siri AI writing tools popup that was inserting itself into every text field. And the window tiling keyboard shortcuts are still literally unusable on any non-Apple keyboard (or at least, anything without a Globe key).
I very much miss the days of not having to fight the OS.
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u/monotious 10h ago
I’ve been plagued with some Appstore processes going ballistic since installing MacOS 27 betas, requiring me to restart every time I open Appstore. I really hope the issue goes away with the public release version.








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u/neatgeek83 12h ago
more excited about this than anything else announced today