I just updated to 5.3.0 and now the synchronization with Owncloud (Webdav) does not work any more.
I already removed the old config and if I now try to establish the synchronization, I can fill the configuration dialog and press Connect.
The the Buttons are grayed out and the Text "Connecting..." is displayed, but the dialog never closes. The only thing I can do is to close the dialog in the upper left corner using the red cross.
I already restated the application and tri