This document describes how to configure Rails LTS and how to take advantage of its optional security features.

June 6th 2025, Rack version 1.4.7.24 Fixed CVE-2025-49007: ReDoS Vulnerability in Rack Multipart Handling. Read the announcement.

June 6th 2025, Rails version 6.1.7.28 No changes in Rails. Bumped Rack version requirement to version 2.2.17.10.

We have made all versions of Rails LTS compatible with Ruby 3.3 or below. All Rails components should work as...

Note You can find the updated guide here. We are pleased to announce that all versions of Rails LTS now...

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