What's new in Ruby 4.0 and Bundler 4.0, a brief talk for the SF Ruby meetup in Dec 2025

(This video is only the screen, not on me). It's A nostalgic and insightful journey into what makes Ruby uniquely expressive and joyful, by exploring Ruby's most Ruby-ish features.

A look at new Ruby features in Ruby 3.x versions, with a discussion of which ones have caught on and why.