When Paperback has been open for a long time without being closed, and the session lasts for several hours, it can happen that once an update process is started, the download takes an unusually long time and almost never completes.
The only workaround seems to be to fully close Paperback, either by killing the process, using the system tray icon, or cancelling the download and exiting via the Control+Q shortcut (which is currently not possible due to #492(.
When Paperback has been open for a long time without being closed, and the session lasts for several hours, it can happen that once an update process is started, the download takes an unusually long time and almost never completes.
The only workaround seems to be to fully close Paperback, either by killing the process, using the system tray icon, or cancelling the download and exiting via the
Control+Qshortcut (which is currently not possible due to #492(.