Ruby Issue Tracking System

08/09/2026

10:45 PM Ruby Feature #19325: YJIT: Windows support lacking.

Hello everyone
I'm happy (and surprised) to report that due to the wonders of the current AI age, it became possible to get to experimental yjit support on windows.
https://github.com/Largo/ruby/pull/1/changes
From what I can see it... aidog (Andi Idogawa)

06/16/2026

09:37 PM Ruby Bug #19378: Windows: Use less syscalls for faster require of big gems

3 years and a few RubyKaigis later, I've run some tests.
Using GetFileInformationByName (Windows 11 24H2+) in winnt_stat I'm seeing speedups of 2.32x faster loading of active_support/all
2.77x for loading nokogiri and File.stat of an ... aidog (Andi Idogawa)

01/30/2023

03:19 AM Ruby Bug #19378: Windows: Use less syscalls for faster require of big gems

Thanks to the new windows build docs by ioquatix, I made a test patch to check how much faster it would be if some of the repeated syscalls on the folders (c:/tmp/, c:/tmp/speedtest, gems and so on) are avoided:
tzinfo: 0.8s to 0.3s
gtk... aidog (Andi Idogawa)

01/26/2023

07:02 AM Ruby Bug #19378 (Closed): Windows: Use less syscalls for faster require of big gems

Hello 🙂
## Problem
require is slow on windows for big gems. (example: require 'gtk3'=> 3 seconds+). This is a problem for people who want to make cross platform GUI apps with ruby.
## Possible Reason
As touched on in [#15797](htt... aidog (Andi Idogawa)

01/19/2023

07:39 AM Ruby Misc #19352: Feature #17391 was not such a good idea because now Ruby 3.2 can not install Rails v5 or v6 if they use webpacker.

Personally, I preferred exists? over exist? but I can live with the change.
"If the file xy.txt exists then ...": if File.exists?("xy.txt") do
I made a gem to monkeypatch the exists? functionality.
The code from austin might however be... aidog (Andi Idogawa)

01/16/2023

05:19 AM Ruby Feature #19325: YJIT: Windows support lacking.

Hello everyone!
First, let me thank you for all your work! Ruby on Windows has helped me a lot over the years. Gems with C extensions used sometimes fail to install, but nowadays it works. Ruby Installer with MSYS2 actually works quite ... aidog (Andi Idogawa)