Ruby 4.0.2 Released

Ruby 4.0.2 has been released, marking a routine update that focuses on addressing a critical bug in the YJIT (Just-In-Time) compiler related to NoMethodError on the Puma web server. This update is part of the Ruby development team's ongoing efforts to maintain the stability and reliability of the language, ensuring that users can rely on it for their projects.

The release of Ruby 4.0.2 is a testament to the collaborative nature of the Ruby community. Many committers, developers, and users who reported bugs played a crucial role in identifying and resolving the issues that led to this update. The Ruby team appreciates their contributions and is committed to fostering an environment where users can easily report problems and see them addressed in a timely manner.

In addition to the bugfix, Ruby 4.0.2 does not introduce any new features. The primary focus of this release is to ensure that the existing functionality remains stable and reliable. The Ruby development team has set a release schedule for the 4.0 series, with plans to release a new version every two months. Following the release of Ruby 4.0.2, the next updates are scheduled as follows:

- Ruby 4.0.3: May 2026

- Ruby 4.0.4: July 2026

- Ruby 4.0.5: September 2026

- Ruby 4.0.6: November 2026

However, this schedule is not rigid. If a significant change or critical bugfix arises that affects users, the team may release an update earlier than planned. Such changes could also cause subsequent releases to be delayed or rescheduled to accommodate the necessary adjustments.

Ruby 4.0.2 is available for download from the official Ruby website. Users can choose from three different file formats:

1. `ruby-4.0.2.tar.gz`: A gzipped tar archive.

2. `ruby-4.0.2.tar.xz`: A xz-compressed tar archive.

3. `ruby-4.0.2.zip`: A zip archive.

Each file includes the complete source code for Ruby 4.0.2. The team has also provided SHA-1, SHA-256, and SHA-512 checksums for each file to ensure the integrity of the downloads. Users can verify the checksums to confirm that the files have not been tampered with during transmission.

The Ruby development team remains dedicated to providing regular updates and improvements to the language. By following a structured release schedule and maintaining open communication with the community, they aim to ensure that Ruby remains a popular and reliable choice for developers worldwide.

In conclusion, the release of Ruby 4.0.2 is a significant step towards maintaining the stability and reliability of the Ruby ecosystem. While this update does not introduce new features, it addresses a critical bug that could impact users relying on the Puma web server. The Ruby team's commitment to regular updates and their collaborative approach to development are key factors in the language's ongoing success. As the team continues to work on future releases, users can expect further improvements and enhancements to the Ruby language in the coming months.