jquery/jquery-mobile — pull request #4560 by dcarrith (2012-06-19 01:11:04+00:00)
Title: Issue #4559: Fixing the blink forward/back effect that sometimes happens...

... before and after transitions. This fix will only work in browsers that support animation-fill-mode. Here's a description of the animation-fill-mode: both value:

The animation will follow the rules for both forwards and backwards, thus extending the animation properties in both directions.