HDR Autoswitch causing issues on my LG OLED65C8

i’ve read this thread here and the other one regarding this topic and a lot users told that its was working with the version before oct '18 and it worked again when downgrading to this version.
and for me it worked a few weegs ago (but i did not check which version of osmc was installed)

and with the october update it was possible to apply a hotfix through the gui which (regarding some users here) helped also, but the hotfix is not working anymore.

i mean this thread here: