JRuby on Rails is 20 years old! This talk reviews the last 20 years of JRuby development, with a focus on the challenges of supporting Ruby and Rails ye…

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Enterprise JRuby support, consulting, and priority bug-fixing from the core developers who built it. 20+ years of JVM and Ruby expertise.

This is an extension of the existing mechanism for reification of Ruby classes, allowing us to use normal Java fields for either instance or internal variables. The logic here is largely unchanged ...

The JRuby community is pleased to announce the release of JRuby 10.1.1.0.

This year marks a big milestone in my history working on JRuby: twenty years ago, I joined Sun Microsystems to work on the project full-time. This month also marks another milestone for JRuby: two…

Why This is the first step toward running RBS on Ruby implementations that cannot load the MRI C extension — notably JRuby — using WebAssembly instead of an FFI/dylib. The parser under src/ is plai...

A complete table showing the compatibility between JRuby and Rails across each version, including the Ruby language level and the Java version that each JRuby line requires.

There are 3 security fixes in this release, so updating is recommended. These security vulnerabilities are not very likely to be hit in practice and have a corresponding Low severity score. What's...

Welcome to GitHub's home for real-time and historical data on system performance.