For our Rails/Rack customers, the latest Ruby release v3.2.0 is now available. This is brand new, and Gems are still catching up, so please ensure your application works locally with this before upgrading. And don't forget, you can use your manifest to configure your Ruby version!
Ruby 3.2 comes with "Production-ready" YJIT support, you can experimentally enable this in your application by adding the Environment Variable
RUBY_YJIT_ENABLE with the value
For more information, see the official release notes!