It’s just a static banner output and does not reflect the currently installed openHAB version so you don’t have to do anything about it. It’ll get fixed in a couple of days I guess.
Hmmm…I changed to master and did an update and even upgrade, but nothing really happened:
openHABian configuration tool successfully updated.
Visit the development repository for more details: https://github.com/openhab/openhabian
The tool will now restart to load the updates... OK
2020-12-27_12:20:22_CET [openHABian] Checking for root privileges... OK
2020-12-27_12:20:22_CET [openHABian] Loading configuration file '/etc/openhabian.conf'... OK
2020-12-27_12:20:22_CET [openHABian] openHABian configuration tool version: [master]v1.6.1-1062(688ec36)
2020-12-27_12:20:23_CET [openHABian] Checking for changes in origin branch master... Updates available... UPDATING
2020-12-27_12:20:25_CET [openHABian] Updating myself... OK - Commit history (oldest to newest):
openHABian configuration tool successfully updated.
Visit the development repository for more details: https://github.com/openhab/openhabian
The tool will now restart to load the updates... OK
2020-12-27_12:20:34_CET [openHABian] Checking for root privileges... OK
2020-12-27_12:20:35_CET [openHABian] Loading configuration file '/etc/openhabian.conf'... OK
2020-12-27_12:20:35_CET [openHABian] openHABian configuration tool version: [master]v1.6.1-1032(26327de)
2020-12-27_12:20:35_CET [openHABian] Checking for changes in origin branch master... OK
2020-12-27_12:20:40_CET [openHABian] Switching to branch master... OK
2020-12-27_12:20:40_CET [openHABian] Adding slightly tuned bash configuration files to system... OK
2020-12-27_12:20:43_CET [openHABian] Updating Linux package information... OK
2020-12-27_12:20:53_CET [openHABian] Updating repositories and upgrading installed packages... OK
2020-12-27_12:21:04_CET [openHABian] Checking for default openHABian username:password combination... FAILED
2020-12-27_12:21:05_CET [openHABian] We hope you got what you came for! See you again soon ;)
[12:21:05] openhabian@openHABianPi:~$ sudo apt-get update
Hit:1 http://davesteele.github.io/comitup/repo comitup InRelease
Hit:2 http://raspbian.raspberrypi.org/raspbian buster InRelease
Hit:3 http://archive.raspberrypi.org/debian buster InRelease
Hit:4 https://deb.nodesource.com/node_12.x buster InRelease
Ign:5 https://dl.bintray.com/openhab/apt-repo2 stable InRelease
Get:6 https://dl.bintray.com/openhab/apt-repo2 stable Release [6,051 B]
Fetched 6,051 B in 4s (1,492 B/s)
Reading package lists... Done
[12:21:57] openhabian@openHABianPi:~$ sudo apt-get upgrade
Reading package lists... Done
Building dependency tree
Reading state information... Done
Calculating upgrade... Done
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
[12:22:06] openhabian@openHABianPi:~$
Are you sure, the right repositories are taken into account?