Latest upstream release: 31.0
Current version/release in Fedora Rawhide: 24.7.0-1.fc22
Please consult the package updates policy before you issue an update to a stable branch: https://fedoraproject.org/wiki/Updates_Policy
More information about the service that created this bug can be found at:
(In reply to Upstream Release Monitoring from comment #0)
> Latest upstream release: 31.0
FYI, thunderbird-31.0-2.fc20.x86_64 works flawlessly in f20.
You can download the packages from Koji for testing - http://koji.fedoraproject.org/koji/packageinfo?packageID=39
We have TB 31 for rawhide now.