Yes there was, it is fixed in build 14332 (but Edge doesn't work for the update catalogue site anyway so it is kind of moot...)

Insider Announcing Windows 10 Insider Preview Build 14332 for PC and...

No. If you go to the site (Microsoft Update Catalog) with Edge then it will tell you have to use IE. It is as simple as that.

If you want something from the catalog then you'll have to use IE...