Request #6098 has been accepted by Sukarn [1]:
The package base has been flagged out-of-date since 2015-12-22.
[1] https://aur.archlinux.org/account/Sukarn/ This was a mistake. The package is, in fact, not out of date. Newer
On 08/06/2016 02:22 PM, notify@aur.archlinux.org wrote: sources contain changes that are specific to Ubuntu and need dependencies that many people will not want on their system, such as Ubuntu's modified gtk. Also, although launchpad version history shows a newer stable version 12.10.2, it can only be downloaded by bzr. Direct download on launchpad still links to 12.10.1, indicating that 12.10.1 is still the recommended stable version. I have apologized to the original maintainer and requested him / her to adopt the package again.