Since Apple's spectacular presentations do not include any information about the memory of its new products, these important technical specs of the new iPad mini 6 and the budget 2021 iPad have just been made public the day after Apple's California Streaming event.
https://www.notebookcheck.net/The-new-iPad-mini-6-has-4GB-of-RAM-but-Apple-s-budget-10-2-inch-iPad-stays-at-3GB-of-memory.561894.0.html
Most who buy a base model iPad won't do that much to push the limits of 3Gb ram capacity. But Apple has certainly limited its potential and probably by design to push you into a more expensive model like iPad Air or even Pro. I mean when you think about it, 3Gb isn't much to load iPadOS and run apps on in 2022. I notice more using Safari that scrolling pages can cause pauses loading heavy web sites because Safari is not loading full pages and probably can't even if it could.