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macOS 15 Sequoia on Unsupported Macs Thread

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The first post of this thread is a WikiPost and can be edited by anyone with the appropiate permissions. Your edits will be public.
Unsupported rMBP10,1 2012 updated OTA from 15.7.3 to 15.7.4 RC
OCLP 2.4.1 prompted to reapply patches as expected.
OTA found an update for Safari, Version 26.3 (20623.2.2.11.1), AOK
SilentKnight found an update to XProtectPlistConfigData_10_15-5325, have to run terminal command after downloading: xprotect update AOK

No issues found with the update workflow, random smoke testing looking good.
 
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After several false starts and much troubleshooting with the help of an AI, 15.7.3 is now running on a late 2012 iMac 13,2 via OCLP 2.4.1 (see signature). The iMac has a hybrid drive, so rather than replace the internals I installed on a spare external SSD, beginning with Ventura (stable, easier to install) and then upgrading to Sequoia via a disk image. No notable problems after sorting out the inevitable installation and migration glitches. The external SSD may be faster than the hybrid internal.
 
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