Strangely enough, I have my free space displayed again this morning.

Before I posted question I checked from Chrome and Safari (even from private mode) and info was missing everywhere. I am totally confused now.

Few days ago I switched my home server distribution from Fedora to Ubuntu and configured everything from scratch. I din't noticed until now that I have no free space info on web UI. I can't be sure if this just happened or it was like this from start. I am using Deluge for years and I have never see...