Charles Nutter - Ruby on the Modern JVM with JRuby - YouTube

JRuby has been the go-to option for high performance, scalable Ruby applications for over a decade, bringing world-class garbage collection, jit compilation, and concurrency to Ruby and Rails developers. With the release of Java 22, we now have true native fibers, fast native function and memory support, and fast startup and warm up are on the horizon. This talk will show you how to get started with JRuby and why it's so exciting for the Ruby community.