Ruby 4.0 introduces several improvements to Ractors, including Ractor::Port, making concurrent programming easier and more scalable.

Jan 19, 2026RubyRuby 4.0

Ruby 4.0 introduces ZJIT, a next-generation JIT compiler, and Ruby::Box for isolated namespaces that improve performance and modularity.

Jan 04, 2026RubyRuby 4.0Performance

Ruby 3.4 improves YJIT with better memory efficiency and faster execution, continuing Ruby’s focus on improving runtime performance.

May 23, 2025RubyRuby 3.4Performance

Ruby 3.4 adds Happy Eyeballs v2 support to the socket library, improving connection speed and reliability when resolving IPv4 and IPv6 addresses.

May 10, 2025RubyRuby 3.4Networking

Ruby 3.4 introduces the `it` shorthand for block parameters and adopts Prism as the default parser, improving Ruby syntax handling and tooling.

Apr 06, 2025RubyRuby 3.4