Synchronization with Google CalDAV/CardDAV is not officially supported by Google or DAVx⁵. For some people it seems to work, for others it doesn’t. Google officially requires OAuth 2, which is not supported by DAVx⁵.

We have received updated information about Google CalDAV:

The old endpoint is deprecated and no longer supported.
Now you shout suggest

Please have a look on

Google Account security:

If you have further information, please just post here.