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Cake day: July 8th, 2023

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  • It depends on the chipset. The big changes in chipset have been the big barriers for Mac upgradability. My father ran a 10 year old MacBook that was still running the latest MacOS until he found that his 4GB of RAM wasn’t going to be enough and bought a new one (without talking to me first). I had a PPC MacBook that ran on the latest MacOS for about 6 years after Apple switched to Intel.