We got the code now compiling on PG14 and we have cleaned up the code a bit by notifying to support any PG Versions before 10.x. Now we need testing before it is stamped and released.
Seems that Segfault-Inc is Out of Business. I will do my best to carry on the great Multicorn project by benefitting from standing on top of the shoulders of the projects original authors and subsequent maintainers.