JRuby at 15 Years: Meeting the Challenges

JRuby has evolved a lot over 15 years. We've met challenges of performance, native integration, and compatibility. What will we face in the future? In this talk we'll discuss today's JRuby challenges: startup time, code size, type specialization, and tooling. JRuby is the most-used alternative Ruby, and with your help we'll continue to make it the best way to run your Ruby apps.