phinze/homebrew-cask — pull request #3787 by morganestes (2014-04-04 20:39:38+00:00)
Title: Updated HipChat to their new release system of unnumbered downloads.

Starting shortly after 2.5, HipChat now has a different download URL structure that doesn't specify the version in the filename. This change means we should always look for "latest" for initial install and let the app update itself.