This is a regression from RT-21740. Create an HTML file of the following content and try to open it in JavaFX WebLauncher or Browser. The text should be filled with green-to-yellow gradient, but it's not. Having the fix for RT-21740 rolled back, the gradient is drawn properly.
<!DOCTYPE html>
<html>
<body>
<div style="background-image: -webkit-gradient( linear, left bottom, right top, color-stop(0, green), color-stop(1, yellow)); border-style: solid; border-radius: 5px; ">
Should be filled with gradient
</div>
</body>
</html>