Don't hijack existing threads with unrelated issues, open your own, split off for you this time.
wolf51 stopped somewhere in between.
https://kaosx.us/docs Make sure to post logs, let those who are willing to help know what your issue is. Where does it
stop? What do you mean by stop? Black screen? Mouse pointer visible? Hangs on some text?
When installing form the Sept ISO, there are no
recommended updates, KaOS is fully rolling, the only way to maintain the system is to always fully update, partial updates are not supported and installing new packages on an old system is partial updating and will break the apps/system. What logs/messages did you see to
know it was systemd? You updated almost the complete system, including new toolchain, all new Frameworks, Plasma, KDE Apps and replaced most of core.
wolf51 but won't make the updates
That is complete unsupported, see the above