The Backend of my nextcloud indicates, that 18.06 is installed.
The security check reports 18.0.1.3
Who is right and who is wrong?
Who is right and who is wrong?
You must “trigger-re-scan” on the tiny button.
If you like you can upgrade to Nextcloud 19.
You find the version of every nextcloud in the html source code 
Actually I didn’t see the outdated date of the report until today. 
It is ok now.
I will upgrade, when this is offered by the webupdater? That is, why I check this from time to time.
I updated from the beta channel now and switched back to stable later.