Have been trying to figure it out for a while. I think its Python but im not really sure.
Rej replied to the question here: https://www.kvraudio.com/forum/viewtopic.php?p=4510014#p4510014
not python at all :-)
thats why some people can have bugs with caustic, my computer, is a crappy one, but i use emulators and installed all the c++ controlers (since then i haven´t troble with bugs anymore