Development is going the other way at my org. Our JS services quickly became "out of date", and nobody wants to put in the massive effort required to bring them

Development is going the other way at my org. Our JS services quickly became "out of date", and nobody wants to put in the massive effort required to bring them up to modern JS language features, build tools, and libraries. In contrast, our Java upgrades remain painless. Many of our JS services have been merged back into older Java back ends