Edit:
Has there been a change in how older devices are impacted? For example, iPads before iPad Air are more likely to be impacted by updates. Any iOS device after the A7 chip is now less likely to be impacted.
Edit:
Has there been a change in how older devices are impacted? For example, iPads before iPad Air are more likely to be impacted by updates. Any iOS device after the A7 chip is now less likely to be impacted.
Any proper computer will be upgradable for way longer than 5 years when running Windows or Linux. iPad won't be because you're not allowed to install your own OS.
My iPhone 6 struggled mightily with iOS 11 (even with an upgraded battery). It is the only time I have regretted an upgrade (since iOS 3) across 3 devices.
On the other hand, Apple has steadily expanded the number of years they provide updates for their hardware, up to about 5 years now.
The only three iOS devices with 4GB of RAM are the iPad Pro 12.3 first gen, iPad Pro 12.3 second gen, and iPad Pro 10.5. Earlier iPads (and iPhones) were often working with much less RAM so a newer device with more RAM coming out would make the older ones obsolete faster.
The original iPad only had 256mb of RAM, and the first iPad with 2GB was the iPad Air, released in 2014.
4GB is going to be the maximum amount you can get in an iPad for a while, I think, and RAM increases matter much less now than they did when it went from 256mb to 512mb.
The processor in the 10.5 inch pro is also the first iPad processor to have 3 high performance and 3 low performance cores, coming up from 2 cores for everything.