I am now taking over the development of Listing Admin & Enthusiast. It has now been upgraded to PHP8 and I have fixed all of the bugs I saw while using it.
You can find the development on my GitHub Repository. This is a unique challenge and I can’t wait to see what comes of it.
I am also looking into updating KIM List from v1.1.5 to one that works with PHP8. Look out for updates on that if I decide to update that.