Ruby Issue Tracking System

02/15/2026

04:51 AM Ruby Bug #21880 (Open): The ultra_safe mode of pstore bundled with Ruby 4.0 is broken.

here is the reproduction code.
```console
$ ruby -v
ruby 4.0.1 (2026-01-13 revision e04267a14b) +PRISM [x86_64-linux]
$ cat pstore.rb
```
```ruby
#!/usr/bin/env ruby
require "bundler/inline"
gemfile do
source "https://ru... s3fxn (s3 fxn)

12/14/2023

02:31 PM Ruby Bug #20065 (Closed): cannot require "net/smtp" with Ruby3.3.0-rc1 and bundler 2.5.0.dev

$ ruby -v
ruby 3.3.0rc1 (2023-12-11 master a49643340e) [x86_64-linux]
$ bundle -v
Bundler version 2.5.0.dev
$ bundle init
$ bundle add net-smtp
$ bundle exec ruby -e 'require "net/smtp"'
-e:1: warning: net/smtp was loaded from... s3fxn (s3 fxn)