macOS Sequoia can be deferred for 90 days with a configuration profile.
The easiest way to create it is with the free iMazing Profile Editor https://apps.apple.com/app/imazing-profile-editor/id1487860882
Add the restriction payload, check “Defer Major OS Software Update” and enter 90 in the “Deferred Major Software Updates Delay”. In the General section select Payload Scope – System and Target Device Type – Mac. Save the profile (mobileconfig file) and install it.
Software Update after profile install
Configuration profile created with iMazing Profile Editor:
You can copy-paste it in TextEdit (Plain Text), save as mobileconfig and install.
Apple’s documentation:
Installing and enforcing software updates for Apple devices
https://support.apple.com/guide/dep...d-enforcing-software-updates-depd30715cbb/web
Manage software updates in your organization
https://developer.apple.com/videos/play/wwdc2021/10129/
Device Management Profile – Restrictions
https://developer.apple.com/documentation/devicemanagement/restrictions
The easiest way to create it is with the free iMazing Profile Editor https://apps.apple.com/app/imazing-profile-editor/id1487860882
Add the restriction payload, check “Defer Major OS Software Update” and enter 90 in the “Deferred Major Software Updates Delay”. In the General section select Payload Scope – System and Target Device Type – Mac. Save the profile (mobileconfig file) and install it.
Software Update after profile install
Configuration profile created with iMazing Profile Editor:
Code:
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>PayloadContent</key>
<array>
<dict>
<key>PayloadDisplayName</key>
<string>Restrictions</string>
<key>PayloadIdentifier</key>
<string>com.apple.applicationaccess.5A20328A-8A19-429C-A193-7757DDF1344E</string>
<key>PayloadType</key>
<string>com.apple.applicationaccess</string>
<key>PayloadUUID</key>
<string>5A20328A-8A19-429C-A193-7757DDF1344E</string>
<key>PayloadVersion</key>
<integer>1</integer>
<key>enforcedSoftwareUpdateMajorOSDeferredInstallDelay</key>
<integer>90</integer>
<key>forceDelayedMajorSoftwareUpdates</key>
<true/>
</dict>
</array>
<key>PayloadDisplayName</key>
<string>Defer_90_days</string>
<key>PayloadIdentifier</key>
<string>Mac.890402B1-06F7-4988-80BE-1EB0ED03B3AB</string>
<key>PayloadScope</key>
<string>System</string>
<key>PayloadType</key>
<string>Configuration</string>
<key>PayloadUUID</key>
<string>890402B1-06F7-4988-80BE-1EB0ED03B3AB</string>
<key>PayloadVersion</key>
<integer>1</integer>
<key>TargetDeviceType</key>
<integer>5</integer>
</dict>
</plist>
You can copy-paste it in TextEdit (Plain Text), save as mobileconfig and install.
Apple’s documentation:
Installing and enforcing software updates for Apple devices
https://support.apple.com/guide/dep...d-enforcing-software-updates-depd30715cbb/web
Manage software updates in your organization
https://developer.apple.com/videos/play/wwdc2021/10129/
Device Management Profile – Restrictions
https://developer.apple.com/documentation/devicemanagement/restrictions