Every time this is brought up, in this context, people say the other things do what NoScript does.

And, btw, I use Privacy Badger instead of Disconnect.

uMatrix supercedes NoScript by a wide margin.

Not at all. NoScript does way more than just blocking JavaScript by domain.

what features does it offer over umatrix?

One minor feature I miss from noscript is that (unless I've missed a setting) umatrix can't block site scripts but allow bookmarklets. Though with the new extension API, I don't know if it's possible at all or not.

Look up ABE, for example, or just look through the Options, especially under Advanced.