I was thinking the same thing, and was praying I wouldn’t see Perl on that list. It happens to be my favorite language, probably because it’s the first one I used professionally. I don’t feel like it’s a dead language but it probably could be considered dying, especially with the recent surge in popularity of Python. I think one of the things that made Perl fall in popularity was its half-baked approach to OOP in an era where everyone was doing it, not to mention the copious syntactical sugar that made it possible to write the ugliest code you’d ever seen (there even used to be obfuscated code contests).
Self should've been mentioned if not for slots and template-like object creation system (now well-known because of JavaScript), but for just-in-time compilation (JIT(, which opened a whole different world for Java and JavaScript later.