address bar thing is kind of hard to explain. there is just too much scrolling involved the way it prioritizes history, bookmark and suggestions.
there are a bunch of other issues. like if you are doing a site search (custom search), it does not highlight the custom search engine.
there are a bunch of other things.
when i talked about tab closing, i was talking about which tab you land on when you close a tab. vivaldi has provided a bunch of options but none of them matches chrome's behavior. vivaldi lets you decide where you want to land which is nice in 99% of the cases. chrome decides which tab to land on when you close a tab and since one is using this for so so long... vivaldi gets annoying to use.