Rephrase: people use new TS features much more often than they use new Node features.

That might be true in general, but I seem to run into problems with the two with about equal frequency. One of the recent ones I ran into with node was stable array sort.

Yes, npm package maintainers spend a lot of time on node version compatibility. Here is a quote from prettier on their recent v2 release:

> The main focus should be dropping support for unsupported Node.js versions.

https://github.com/prettier/prettier/issues/6888