Redmine

The short version:

It would be great to be able to say that an issue has been fixed in more than one version of the project.

The long version:

The release model on our project is to have three active branches of the code - trunk for unreleased code, the latest
stable release branch, and the stable release branch before that.

We release a new stable branch every six months, but still need to fix high priority issues that arise in older versions.
Given this, we generally do a QA release of the previously released branches every one or two months. These include
any bug fixes that customers can't go without, but do not have the luxury of upgrading their production systems at that
time.

If we identify a bug that affects both trunk and a released stable version, and we decide that it must be fixed for
existing customers, then we fix the bug and mark it in Jira as fixed for both these versions. This means that the issue
would show up on the change log of each version. It also indicates that that testers must test the issue in both versions
of the code.