Oddbean new post about login | logout Ruby 3.3.0 Released As is the tradition for the https://www.ruby-lang.org/en/ (Yet another Ruby JIT) just-in-time compiler. Ruby 3.3 adds a new Ruby-based JIT, RJIT, that targets x86_64, which is available for experimental purposes. There are lots of other improvements and new features described in the announcement. https://lwn.net/Articles/956115/