I really wish they made a new Zero that doesn't use ddr2 ram to ensure that it can still be made far into the future. As far as I'm aware, nobody is making ddr2 anymore
Is anyone making DDR5?
For AI, sure
Mostly HBM; uses more or less the same production lines so has displaced most DDR5 production.
DDR2 is absolutely still made - there are industrial embedded applications that can't use anything else.