1990 C90 2000 C99 2011 C11 so, if this is the trend expect a new C standard in 2022.
C/C++ is used to build the fundation of pretty much everything you use every day. I don't think a fast moving standard would be a good thing.
This is specifically about the C programming language. Can we not conflate it with a different language entirely, at least in this comment thread?