20176 2012-11-30 15:20:51 +0000 Syntax only supports 'mobile first' 2014-05-08 20:20:06 +0000 1 1 1 Unclassified HTML WG The srcset attribute unspecified PC All RESOLVED WONTFIX P2 normal --- 20212 1 w3c eoconnor david mat odinho w3c public-html-bugzilla oldest_to_newest 79183 0 w3c 2012-11-30 15:20:51 +0000 The img@srcset does not afford developers the ability to define the breakpoints for images as either minimum values (mobile first) or maximum values (desktop first) to match the media queries used in their design. See: “Secret src” http://adactio.com/journal/5474/ 81901 1 mat 2013-01-21 17:49:50 +0000 Commenting per the HTML WG’s request[1]: This bug would be addressed by the proposed `picture` extension specification: See: http://picture.responsiveimages.org/#relationship-to-srcset Further discussion is available in the WHATWG clone of this bug: https://www.w3.org/Bugs/Public/show_bug.cgi?id=20212 1: http://lists.w3.org/Archives/Public/public-html-wg-announce/2013JanMar/0006.html 105478 2 eoconnor 2014-05-08 20:20:06 +0000 The two alternatives are mathematically equivalent, and because of this everyone agrees that it's *possible* to express either a "mobile first" or "desktop first" set of breakpoints. Given this, I think the complexity costs of adding syntax to improve the "desktop first" case outweigh the benefits.