I myself don't know, but it seems like an intentional upstream decision to use 2.6, looking at the latest changelog entry above.
-- Please merge thuban 1.2.1-1 (universe) from Debian unstable https://bugs.launchpad.net/bugs/383214 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs