To be specific, the rework of the blur algorithm (which is a key part for rendering an element that has a {box,text}-shadow) is bug 509052 [1]. [1]: https://bu

To be specific, the rework of the blur algorithm (which is a key part for rendering an element that has a {box,text}-shadow) is bug 509052 [1]. [1]: https://bugzilla.mozilla.org/show_bug.cgi?id=509052 https://bugzilla.mozilla.org/show_bug.cgi?id=509052