Just made the leap. Been on OCLP 1.3 and Ventura for a year or more and when they cleared 14,2 imacs for Sonoma 14.5 with OCLP 1.5, I decided to do it!My iMac 14,2 heaving sleep issues the last upgrades, but after clean install (option-cmd-R) it works like a charm now. ;-)
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Backed up twice, installed over the Ventura installation. I do so little, but this iMac keeps going and going!
Thanks, developers!
Sleep is OK and so is running a 30" Cinema display under dual mode.
Life is good.

👏