To be obsolete I'd have thought there'd need to be a better, very similar product at the same or cheaper price within the same brand.
Maybe I've missed it, but not sure what that is?
The 180g BTSP Interlock is the closest but it isn't better. And it has been around for donkeys' ages too.
I'm thinking the 180 btsp is more popular and probably contributed to the demise of the 190. I gave the 190 a fair chance in about 5 of my 30 cals and to be honest, the 180's shot better. There's little to no gain in going to the 190 vs. the 180 and I'm sure Hornady feels the same way as they reviewed sales of the 2 bullets.