Warning: This Ruby version has not been released, yet. Standard gem data might still change.
The following libraries were made standard gems with Ruby 4.0.0
New Default Gems
| New Default Gem | Description | Resources |
|---|---|---|
| win32-registry | Allows you to call Windows Registry APIs | RubyGems · GitHub · CRuby |
New Bundled Gems
| New Bundled Gem | Description | Resources |
|---|---|---|
| benchmark | Benchmark utility: Measures and reports the time used to execute code | RubyGems · GitHub · RDoc |
| fiddle c | Support for FFI (Foreign Function Interface) | RubyGems · GitHub · RDoc |
| irb | Interactive Ruby Console (REPL) | RubyGems · GitHub · RDoc |
| logger | Logging utility | RubyGems · GitHub · RDoc |
| ostruct | Wrapper around Hash which lets you read and set attributes with a method-based API | RubyGems · GitHub · RDoc |
| pstore | Transactional file storage for Ruby objects | RubyGems · GitHub · RDoc |
| rdoc | Ruby documentation generator | RubyGems · GitHub · RDoc |
| readline | If available, readline-ext will be loaded, or (Ruby-only) bundled gem reline will be used. | RubyGems · GitHub · RDoc |
| reline | Ruby-only implementation of GNU Readline / NetBSD Editline | RubyGems · GitHub · RDoc |
| win32ole c | Windows OLE automation interface | RubyGems · GitHub · RDoc |
More Standard Gems
- General information about standard gems
- Gem list for Ruby: 4.0.0 (preview)
- Gem list for Ruby: 3.4.8 · 3.4.7 · 3.4.6 · 3.4.5 · 3.4.4 · 3.4.3 · 3.4.2 · 3.4.1 · 3.4.0
- Gem list for Ruby: 3.3.10 · 3.3.9 · 3.3.8 · 3.3.7 · 3.3.6 · 3.3.5 · 3.3.4 · 3.3.3 · 3.3.2 · 3.3.1 · 3.3.0
- Gem list for Ruby: 3.2.9 · 3.2.8 · 3.2.7 · 3.2.6 · 3.2.5 · 3.2.4 · 3.2.3 · 3.2.2 · 3.2.1 · 3.2.0
- Gem list for Ruby: 3.1.7 · 3.1.6 · 3.1.5 · 3.1.4 · 3.1.3 · 3.1.2 · 3.1.1 · 3.1.0
- Gem list for Ruby: 3.0.7 · 3.0.6 · 3.0.5 · 3.0.4 · 3.0.3 · 3.0.2 · 3.0.1 · 3.0.0
- Gem list for Ruby: 2.7.8 · 2.7.7 · 2.7.6 · 2.7.5 · 2.7.4 · 2.7.3 · 2.7.2 · 2.7.1 · 2.7.0
- Gem list for Ruby: 2.6.10 · 2.6.9 · 2.6.8 · 2.6.7 · 2.6.6 · 2.6.5 · 2.6.4 · 2.6.3 · 2.6.2 · 2.6.1 · 2.6.0
- Gem list for Ruby: 2.5.9 · 2.5.8 · 2.5.7 · 2.5.6 · 2.5.5 · 2.5.4 · 2.5.3 · 2.5.2 · 2.5.1 · 2.5.0
- Gem list for Ruby: 2.4.10 · 2.4.9 · 2.4.8 · 2.4.7 · 2.4.6 · 2.4.5 · 2.4.4 · 2.4.3 · 2.4.2 · 2.4.1 · 2.4.0
- Gem list for Ruby: 2.3.8 · 2.3.7 · 2.3.6 · 2.3.5 · 2.3.4 · 2.3.3 · 2.3.2 · 2.3.1 · 2.3.0
- Gem list for Ruby: 2.2.10 · 2.2.9 · 2.2.8 · 2.2.7 · 2.2.6 · 2.2.5 · 2.2.4 · 2.2.3 · 2.2.2 · 2.2.1 · 2.2.0
- Compare versions: Main Rubies · Supported Rubies · All Rubies · 3.4 · 3.3 · 3.2 · 3.1 · 3.0 · 2.7 · 2.6 · 2.5 · 2.4 · 2.3 · 2.2
- Gemified in: 4.0 - 3.4 - 3.3 - 3.2 · 3.1 · 3.0 · 2.7 · 2.6 · 2.5 · 2.4 · 2.3 · 2.2
- List of Non-Gem Default Libraries
- List of Unmaintained Default Gems
- List of Removed Standard Gems