RubyInstaller versions 2.6.5-1, 2.5.7-1 and 2.4.9-1 are released. These are maintenance releases with bug and security fixes.
See ruby-2.4.8 and 2.4.9 release notes, ruby-2.5.7 release notes and ruby-2.6.5 release notes as well as the RubyInstaller CHANGELOG files for RubyInstaller-2.4.9-1, RubyInstaller-2.5.7-1 and RubyInstaller-2.6.5-1. Bundled OpenSSL versions are updated to 1.0.2t (Ruby-2.4.x) and 1.1.1d (Ruby-2.5+).
All binaries are available in the Download section!