Issue #19453 has been updated by Eregon (Benoit Daloze). This seems already the case for 3.1 and 3.2: ``` $ ruby -v --disable-gems -e 'puts $"; p Fiber.current' ruby 3.1.3p185 (2022-11-24 revision 1a6b16756e) [x86_64-linux] enumerator.so thread.rb fiber.so rational.so complex.so ruby2_keywords.rb /home/eregon/.rubies/ruby-3.1.3/lib/ruby/3.1.0/x86_64-linux/enc/encdb.so /home/eregon/.rubies/ruby-3.1.3/lib/ruby/3.1.0/x86_64-linux/enc/trans/transdb.so #<Fiber:0x00007f0ca7a1e400 (resumed)> ``` Not for 3.0 or before. ---------------------------------------- Feature #19453: Move `Fiber.current` into core. https://bugs.ruby-lang.org/issues/19453#change-102025 * Author: ioquatix (Samuel Williams) * Status: Open * Priority: Normal * Assignee: ioquatix (Samuel Williams) ---------------------------------------- i.e. don't `require 'fiber'` to use `Fiber.current`. Are there other methods we should consider too? -- https://bugs.ruby-lang.org/