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Apple today released macOS Sequoia 15.4, the fourth major update to the macOS Sequoia operating system that launched in September. macOS Sequoia 15.4 comes two months after the launch of macOS Sequoia 15.3.

macOS-Sequoia-Feature.jpg

Mac users can download the ‌‌macOS Sequoia‌‌ update through the Software Update section of System Settings. It is available for free on all Macs able to run macOS 15.

With macOS 15.4, Apple is bringing Mail Categorization to the Mac. The Mail app features dedicated categories like transactions, updates, and promotions, with important emails organized into a primary section.

Apple News+ subscribers now have access to an Apple News Food section with recipes, food articles, and more. There's a new Sketch style for Image Playground, Memory Movie support in the Photos app for custom slideshows, and new emoji characters.

More information on what's new in macOS Sequoia can be found in our macOS Sequoia roundup.

Article Link: Apple Releases macOS Sequoia 15.4 With Mail Categorization and More
 
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15.4 was supposed to be my target build to upgrade from Sonoma, but after witnessing the Apple Idiocy debacle, I think I'll skip Sequoia altogether
Not an unreasonable choice.

Though you can turn off AI. The rest of the OS has been working well for me on my M3 MBA. Very good battery life, a couple small but useful changes. Been running the 15.4 RCs without any problems.
 
The RC2 run very smooth on my Mac Mini M2 Pro. So now want to update my MBP M1 Pro, but still no update available.
 
Not showing in UK yet and I really hope this fixes the crashes on my M4 MacBook Pro under high cpu/gpu load. Seems a shame to have all this power that you can only use in tiny bursts.
 
Build 24E248, or one higher than the second RC.
here are the builds of the other stuff released today:

macOS 14.7.5 (23H527)
macOS 13.7.5 (22H527)
iOS 18.4 (22E240)
iPadOS 18.4 (22E240)
tvOS 18.4 (22L255)
audioOS 18.4 (22L255)
visionOS 2.4 (22O238)
iPadOS 17.7.6 (21H423)
iOS 16.7.11 (20H360)
iPadOS 16.7.11 (20H360)
iOS 15.8.4 (19H390)
iPadOS 15.8.4 (19H390)
watchOS 11.4 (22T251) - pulled and re-released next day

for the build 24E248 of macOS Sequoia 15.4 here are the ipsw and full installer:

ipsw: https://updates.cdn-apple.com/2025S...7C15EE3/UniversalMac_15.4_24E248_Restore.ipsw

full installer: https://swcdn.apple.com/content/dow...90ja7nronzpb4kr4val0imsz/InstallAssistant.pkg

here are the full installers for Ventura 13.7.5 and Sonoma 14.7.5

macOS Ventura 13.7.5 build 22H527: https://swcdn.apple.com/content/dow...1i5v6q6xousfc44xa90ykmk0/InstallAssistant.pkg

macOS Sonoma 14.7.5 build 23H527: https://swcdn.apple.com/content/dow...m8zmyun90r1gz1wodsaeuzda/InstallAssistant.pkg

easy to confirm builds for ipsw as build is in the link but you can also find it in terminal by running this:

Code:
curl https://mesu.apple.com/assets/macos/com_apple_macOSIPSW/com_apple_macOSIPSW.xml | grep ipsw | sort -u | sed 's/<string>//g' | sed 's/<\/string>//g' | grep -v protected

There are 2 ways to confirm build for the full installers

Method 1 - download the pkm file

I use the sequoia one as example

Replace the g with a m at end of link, i.e.,


download pkm file and open with textedit

you see this:...version="24.4.248"...

how to read build number: second number 0,1,2,... is A,B,C,... so the 4 is E and build is 24E248

(note if it were a non-rc beta there would be a fourth number 1,2,3,... which is a,b,c,... so for example 24.4.5238.1 is build 24E5238a)

Method 2 - reveal the link in terminal

To reveal links in terminal, which also shows builds

Sequoia:

Code:
for file in $(curl -# https://swscan.apple.com/content/catalogs/others/index-15-1.sucatalog | grep com_apple_MobileAsset_MacSoftwareUpdate.plist | grep -Evw '(com_apple_MobileAsset_MacSoftwareUpdate.plist.integrityDataV1|InstallInfo.plist)' | sed -e s/"<string>"//g -e s/"<\/string>"//g -e s/\ //g); do
    curl -# $file | egrep -EA 1 '(>Build<|OSVersion)' | sed -e s/"<string>"//g -e s/"<\/string>"//g -e s/\ //g | sed -e s/"<key>"//g -e s/"<\/key>"//g -e s/\ //g
    echo $file | sed -e "s/com_apple_MobileAsset_MacSoftwareUpdate.plist/InstallAssistant.pkg/g"
done

Sonoma:

Code:
for file in $(curl -# https://swscan.apple.com/content/catalogs/others/index-14-1.sucatalog | grep Info.plist | grep -Evw '(Info.plist.integrityDataV1|InstallInfo.plist)' | sed -e s/"<string>"//g -e s/"<\/string>"//g -e s/\ //g); do
    curl -# $file | egrep -EA 1 '(>Build<|OSVersion)' | sed -e s/"<string>"//g -e s/"<\/string>"//g -e s/\ //g | sed -e s/"<key>"//g -e s/"<\/key>"//g -e s/\ //g
    echo $file | sed -e "s/Info.plist/InstallAssistant.pkg/g"
done

Ventura:

Code:
for file in $(curl -# https://swscan.apple.com/content/catalogs/others/index-13-1.sucatalog | grep Info.plist | grep -Evw '(Info.plist.integrityDataV1|InstallInfo.plist)' | sed -e s/"<string>"//g -e s/"<\/string>"//g -e s/\ //g); do
    curl -# $file | egrep -EA 1 '(>Build<|OSVersion)' | sed -e s/"<string>"//g -e s/"<\/string>"//g -e s/\ //g | sed -e s/"<key>"//g -e s/"<\/key>"//g -e s/\ //g
    echo $file | sed -e "s/Info.plist/InstallAssistant.pkg/g"
done

several builds may be revealed but the most recent one would be at the bottom of the list, so again using the sequoia one as example we see this at the bottom of the list:

Code:
            Build
            24E248
--
            OSVersion
            15.4
https://swcdn.apple.com/content/downloads/43/58/082-16524-A_VHRNGIT194/ksdv19dcxx90ja7nronzpb4kr4val0imsz/InstallAssistant.pkg

note if you use the method 2 for betas, replace sucatalog index with the following

index-15 becomes index-15seed, index-14 becomes index-14seed, index-13 becomes index-13seed
 
Last edited:
Wonder if it's about time for me to update from 12.7.6 Monterey on 21' M1 MAX MBP
Monterey isn't supported for security updates anymore if you use your MBP for anything important. Sonoma is an AI free option that is still supported.

I was annoyed enough with Sequoia to revert to Sonoma. Apple makes reversion painful, so make sure you have a full back up of the current system so you get back to where you are if you are not happy.
 
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