Looks like the upstream's an orphaned project (no commits for 6 months) and won't be updated for RT 4.2.
Is this a good place to suggest Best Practical's own RT::Extension::Assets (http://bestpractical.com/assets) as a candidate for packaging? -- To UNSUBSCRIBE, email to debian-bugs-rc-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org
