I'd want like to discuss a "Loading" change.
Right now loading it's just spining view-refresh icon, it's it is not like a "real loading".
If just change the icon to gtk-convert icon, than it's more similar to something like "loading".
Loading animation from others looks more kool.
BUT! KDE loading animation must be "Kdividual", one of the KDE symbols is a gear wheel, why not to use a gear as loading animation?