I second this. It would also be nice to specify what is new about a given language. As the parent comment says, this type of thing would be difficult to capture

I second this. It would also be nice to specify what is new about a given language. As the parent comment says, this type of thing would be difficult to capture, but it would be very interesting if we could. It would be sort of a Darwin "tree of life" for the evolution of programming languages. https://en.wikipedia.org/wiki/Tree_of_life_(biology) https://en.wikipedia.org/wiki/Tree_of_life_(biology)