Ruby Fibers 101 | Saeloun Blog

Ruby 3 focuses more on concurrency with the introduction of Ruby Fibers and the Fiber Scheduler Interface.One of the most exciting features of Ruby 3 is Fibers. Initially released in Ruby 1.9 as a coroutine abstraction, fibers have never really become mainstream. Ruby 3 now changes the game by introducing the Fiber::SchedulerInterface class which allows for quick and more efficient context switching when compared to its Thread counterpart.