i have been running the new owncloud (ocis) and, with some quirks and very basic functionality, it's been running for 2+ years and survived multiple updates without major complications
i dislike horizontal tabs, so i go with sidebery / tree-style-tabs. also use a lot of pinned tabs and they sit on top of the list of tabs. this way i can have ~10 pinned tabs and still remember what all of these are.
maybe is specific to my country, but here the majority of network plans have a CGNAT down the line.
So we have a private ip at the router and there is no way to reach it, unless you reley the traffic to a third point.
if you want a public ip (even dynamic) you need to pay up
until a few years ago the limit was 10k