Preferable: when you go to the "edits" page, either it shows all categories or it lists all the categories and shows the silver circle for each one with pending edits. (If we show all categories, we need to include the category name with each suggestion in the list.)
After https://github.com/codidact/qpixel/pull/1278, it seems possible to add the counts and links for pending edits in all categories on each category's pending-edits page. This way, when you visit one of them you'll see that there are also pending edits elsewhere. That's easier than unifying the pages, both technically and to help users keep the category context in mind when reviewing.
Continuation of https://github.com/codidact/qpixel/issues/452, specifically:
After https://github.com/codidact/qpixel/pull/1278, it seems possible to add the counts and links for pending edits in all categories on each category's pending-edits page. This way, when you visit one of them you'll see that there are also pending edits elsewhere. That's easier than unifying the pages, both technically and to help users keep the category context in mind when reviewing.