You get to know what is going on by posts from members, like this one
https://www.ibm.com/developerworks/community/blogs/5894415f-...
The ANSI/ISO way is the best way to standardize technology. The alternative being a reference implementation subject to a benevolent dictator with everyone discussing what the right license should be.
Any implementor knows what is supposed to be compliant with, as long as, its implementation follows a well defined standard, regardless of what license it decides to publish under and what type of implementation (compiler/interpreter/JIT/,...)