JIRA Oldest First is a free Chrome add-on developed by a9rill that enhances the functionality of JIRA, a popular issue tracking and project management software. This add-on enables users to set the action order to ascending, making it easier to view and manage issues in JIRA.

With JIRA Oldest First, users can simply add a query string to the URL of JIRA to set the action order to ascending. This is particularly useful for users who prefer to have the oldest issues displayed first as the standard view. By adding the query string "actionsOrder=asc" to the URL, users can instantly sort the issues in ascending order.

The add-on also provides the option to set the JIRA URL in the settings. Once the filter is set in the options, the add-on starts working immediately. Users can even test the functionality on other websites by setting the URL to "google.com".

Overall, JIRA Oldest First is a handy add-on for JIRA users who want to easily sort their issues in ascending order. It streamlines the process and improves efficiency, making it a valuable tool for those who frequently work with JIRA.