Ractors have promise but the implementations up till now haven't had strong concurrency safety. It seems in the latest release some of the heavy-hitter contribu

Ractors have promise but the implementations up till now haven't had strong concurrency safety. It seems in the latest release some of the heavy-hitter contributors like Jean Boussier (byroot) have taken a detailed look at Ractors and started to clean things up. https://byroot.github.io/ruby/performance/2025/05/24/unlocking-ractors-class-variables.html https://byroot.github.io/ruby/performance/2025/05/24/unlocki...