Client disconnected if Notebook hibernate and goes online again

i use the Nextcloud Desktop Client on Windows 10. I think until NC14 the client workds well, but with NC15 i got this problem. If i hibernate my Notebok and later wake it up, The NC-Client is not connected and will not automatic connect to the Server. I have to authorize again, but thats merde. The easiest way for me is to close the NC-Client and simple start the Client again. It then will automatically connect and starts to sync.

Is this normal since NC15, or a bug or did i miss something?

Did you fin a solution because I get this error too on Windows on my laptop since my last update.
I found an other solution than restart which is to change proxy parameter (no proxy to system default or opposite).