139440 2014-12-09 03:53:54 -0800 [SVG Masking] SVG stacks in -webkit-mask-image 2015-01-05 01:43:50 -0800 1 1 1 Unclassified WebKit CSS 528+ (Nightly build) Unspecified Unspecified NEW AdobeTracked P2 Normal --- 129682 139092 139294 95389 1 stavila webkit-unassigned krit mihnea simon.fraser WebkitBugTracker oldest_to_newest 1053734 0 stavila 2014-12-09 03:53:54 -0800 After the landing of 139092 and 139294, the -webkit-mask-image property became capable of handling SVG <mask> elements specified as a fragment identifier in the url (e.g. -webkit-mask-image:url(file.svg#mask1); ). This new behavior should be adapted to also work with SVG stacks.