Long before the MacBook ever existed, Apple offered consumers its iconic iBook line. Born after Steve Jobs' return to the company in 1996, it was a cheaper and less powerful follow-up to Apple's professional laptop solution, the PowerBook. Clearly, that segmentation didn't hurt its support, because even 27 years after its launch, the iBook lineup is still capable of receiving updates from Apple's servers.
MacOS which officially supports 27 year old iBooks can still connect to a modern Wi-Fi network, and download updates from apple servers without any modifications, Apple is the opposite of planned obsolescence. from r/MacOS
