Redmine 3.0.4 and 2.6.6 released
Redmine 3.0.4 and 2.6.6 are maintenance releases that fix several issues for 3.0.x and 2.6.x users.
You can review the changes in the Changelog.
Redmine 3.0.4 runs with the latest Rails version (4.2.3). Redmine 2.6.6 was upgraded to the latest 3.x Rails (3.2.22) that brings ruby 2.2 compatibility.
These upgrades both include fixes for several Ruby on Rails vulnerabilities (announcement).