Cairo 1.12.16 is the long-overdue release to this widely-used 2D graphics library. With this release comes mostly bug-fixes, as noted by Chris in the release announcement that came out today (the 26 February date shown on the web-page is incorrect for the final 1.12.16 release). "Thanks to everybody who reported a bug and helped us develop a fix, we have amassed quite a few bug fixes. There are still more outstanding bugs that seek attention and a little bit of TLC, but this release has been delayed long enough..."
The bug-fixes range from work in specific back-ends to assertion failures to double frees to more exports for the GObject bindings. Cairo 1.12.16 is the first release in more than six months for this important graphics library.