No sync with smartphone after update

Hello @all,

yesterday i went for an update to 22.2.3, after that there where no more synchronization from the smartphone (DAVx5 and simple calendar pro) to my local Nextcloud server with several calendars, doesnt matter if automatic or manually initiated. i reinstalled all software on the smartphone. DAVx5 recognizes all 4 calendars, but it doesnt transfer all entries from server to smartphone. on one calendar there are only entries transferred which are full time entries, on the other there are no transfers at all. When creating an new entry on the smartphone, it wont show on the server.

On the smartphone no changes on setting were made.

anyone got the same issue?

all software is up to date.