Christmas 2025 saw the release of version 4.0.0 of Ruby. You can view the news announcement on the official website - https://www.ruby-lang.org/en/news/2025/12/25/ruby-4-0-0-released/
Version 8.1.1 patch release for Ruby on Rails has been released. Rails 8.0 will now receive an additional six month extension of support. More about the updates can be read at the official site news announcement - https://rubyonrails.org/2025/10/29/new-rails-releases-and-end-of-support-announcement
Ruby 3.4.6 was released recently, with Ruby 3.4.7 scheduled for November and 3.4.8 for January.
https://www.ruby-lang.org/en/news/2025/09/16/ruby-3-4-6-released/
Rails 8.0.3 has also been released.
Read more on the update:
https://github.com/rails/rails/releases/tag/v8.0.3