Dont really understand why you are worrying about that transitional package. Its description says:
This is a transitional dummy package to ease the migration from the ubufox to the new xul-ext-ubufox package. You can remove it safely. So nowadays xul-ext-ubufox is used instead, and 'ubufox' should be listed for archive removal as there is no depend. -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to ubufox in Ubuntu. https://bugs.launchpad.net/bugs/1731694 Title: Ubuntu 17.10 has an older version of ubufox than 14.04, 16.04, 17.04 Status in ubufox package in Ubuntu: Confirmed Bug description: $ rmadison -asource ubufox ubufox | 2.0.2-0ubuntu1 | precise | source ubufox | 2.8-0ubuntu1 | trusty | source ubufox | 3.2-0ubuntu0.12.04.1 | precise-security | source ubufox | 3.2-0ubuntu0.12.04.1 | precise-updates | source ubufox | 3.2-0ubuntu1 | xenial | source ubufox | 3.2-0ubuntu1 | zesty | source ubufox | 3.3-0ubuntu2 | artful | source ubufox | 3.3-0ubuntu2 | bionic | source ubufox | 3.4-0ubuntu0.14.04.1 | trusty-security | source ubufox | 3.4-0ubuntu0.14.04.1 | trusty-updates | source ubufox | 3.4-0ubuntu0.16.04.1 | xenial-security | source ubufox | 3.4-0ubuntu0.16.04.1 | xenial-updates | source ubufox | 3.4-0ubuntu0.17.04.1 | zesty-security | source ubufox | 3.4-0ubuntu0.17.04.1 | zesty-updates | source Apparently 3.4 was never released to artful and bionic. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubufox/+bug/1731694/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp