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Apple Seeds Second Beta of macOS Sequoia 15.5

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Apple today seeded the second beta of an upcoming macOS Sequoia 15.5 update to developers for testing purposes, with the software coming two weeks after Apple released the first macOS Sequoia 15.5 beta.

macOS-Sequoia-Night-Feature.jpg

Registered developers can opt-in to the macOS Sequoia beta through the Software Update section of the System Settings app. An Apple ID associated with an Apple Developer account is required to get the beta.

macOS Sequoia 15.5 appears to be a minor update so far, and no notable new features were found in the first beta.

Work on new features for macOS Sequoia is winding down, as Apple will soon transition to macOS 16. The next-generation version of macOS is set to be unveiled at WWDC in June.

Article Link: Apple Seeds Second Beta of macOS Sequoia 15.5
 
Article Link
https://www.macrumors.com/2025/04/14/apple-seeds-macos-sequoia-15-5-beta-2/
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build number is 24F5053f

other builds released today:

iOS 18.5 beta 2 (22F5053f)
iPadOS 18.5 beta 2 (22F5053f)
tvOS 18.5 beta 2 (22L5553d)
audioOS 18.5 beta 2 (22L5553d)
visionOS 2.5 beta 2 (22O5453e)
watchOS 11.5 beta 2 (22T5553d)
macOS Ventura 13.7.6 RC 1 (22H612)
macOS Sonoma 14.7.6 RC 1 (23H612)
 
Last edited:
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I tried 15.2 for a few days and went back to Sonoma due to all the bugs (external mic wasn’t working properly with Loom/Teams, Mission Control not remembering settings, a few more things…)

How’s 15.4?
 
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SeenJeen said:
I tried 15.2 for a few days and went back to Sonoma due to all the bugs (external mic wasn’t working properly with Loom/Teams, Mission Control not remembering settings, a few more things…)

How’s 15.4?
Click to expand...
So far I have resisted the upgrade… still sitting on Sonoma 14.7.5.

More out of sheer laziness doing an upgrade and then finding out what has broken. 😀

wellander1 said:
Anything for Ventura or Sonoma? Is it safe to say that these are no longer going to be supported?
Click to expand...
I am sure the security updates will keep going for a while.
 
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wellander1 said:
Is it safe to say that these are no longer going to be supported?
Click to expand...
don't think so

one would expect support for ventura to continue till release of macOS 16

likewise support for sonoma to continue till release of macOS 17

at least that's how it's been for many years, supporting systems till third version up is released

so this time we have

macOS Ventura 13.7.6 RC 1 (22H612)
macOS Sonoma 14.7.6 RC 1 (23H612)

they are usually released when the sequoia ones come out, but as we saw last time this doesn't always happen so even though the sequoia one is the beta 2, these RCs are RC 1's
 
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MacRumors said:


Apple today seeded the second beta of an upcoming macOS Sequoia 15.5 update to developers for testing purposes, with the software coming two weeks after Apple released the first macOS Sequoia 15.5 beta.

macOS-Sequoia-Night-Feature.jpg

Registered developers can opt-in to the macOS Sequoia beta through the Software Update section of the System Settings app. An Apple ID associated with an Apple Developer account is required to get the beta.

macOS Sequoia 15.5 appears to be a minor update so far, and no notable new features were found in the first beta.

Work on new features for macOS Sequoia is winding down, as Apple will soon transition to macOS 16. The next-generation version of macOS is set to be unveiled at WWDC in June.

Article Link: Apple Seeds Second Beta of macOS Sequoia 15.5
Click to expand...
I hope they fix the problem with apps randomly closing for no reason which is a huge problem in 15.4! They also need to fix the problem with windows moving to other monitors upon waking up. Never had this problem with Intel!!
 
The 3 with the latest version. Airdrop "drops" from the sidebar if you reboot. Tags or times you tag just don't show up when you select the tag you have on the sidebar. Time Machine fails to do a backup occasionally. Are those fixed?
 
just updated macos to 15.5 beta 2, cannot login anymore! i reach the login screen, i enter the correct password, the loading bar stops at around 10%, after about 1 minute the system restarts, it returns to the login screen, and so on…

any suggestion about debugging this type of situation?
 
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antoniomolinari said:
just updated macos to 15.5 beta 2, cannot login anymore! i reach the login screen, i enter the correct password, the loading bar stops at around 10%, after about 1 minute the system restarts, it returns to the login screen, and so on…

any suggestion about debugging this type of situation?
Click to expand...
same to me :( (M3 PRO)
 
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i sincerely would like to solve the issue, but it's not easy to debug,
tried to disable LaunchAgents and LaunchDaemons both in /Library and /Users/[user]/Library; left the ones in /System/Library because i suppose they're needed at system level;

the behaviour is the same for all users, so i suppose is not related to specific user: after entering the password, few seconds (30?) after, the system restarts, and return to the login

meanwhile using another mac...
 
antoniomolinari said:
i sincerely would like to solve the issue, but it's not easy to debug,
tried to disable LaunchAgents and LaunchDaemons both in /Library and /Users/[user]/Library; left the ones in /System/Library because i suppose they're needed at system level;

the behaviour is the same for all users, so i suppose is not related to specific user: after entering the password, few seconds (30?) after, the system restarts, and return to the login

meanwhile using another mac...
Click to expand...
Have you tried Safe Start? https://support.apple.com/en-au/guide/mac-help/mh21245/mac
 
Yes, it boots in safe mode (indicated by red text in the top right corner of the menu bar), but the same results occur: it restarts approximately one minute after entering the password.
 
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adamlonsdale said:
Curious here too, I'm also unable to login on my M2


Out of interest how did you fix that?
Click to expand...
I went to system recovery and chose to reinstall mac. this was after trying time machine and failing to start that process from within recovery. So I went ahead and just hit reinstall mac without a backup reference and once completed, 99 percent was back to normal with the new 15.4.1 version installed. Had to then go back and disable SIP the way it was before. Seems ok now. never had anything like that happen on a simple point update.
 
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