While I hunker down here for SARS-CoV-19 to burn itself out (I am in a very high-risk category), I decided to check up on the activity of commits between Antlr and Bison. This is because I read on the Internet that Bison isn’t being actively developed. It turns out, not only is this not true, Bison is being modified more often than Antlr. I wonder what changes are being made to Bison. And, I wonder why activity for Antlr is so low.