However, HTML5 is now universally supported on major mobile devices, in some cases exclusively. This makes HTML5 the best solution for creating and deploying content in the browser across mobile platforms. We are excited about this, and will continue our work with key players in the HTML community, including Google, Apple, Microsoft and RIM, to drive HTML5 innovation they can use to advance their mobile browsers.
Sources: ZDNet, Adobe Blog
quote: Microsoft may join in decisions to drop proprietary plugins with an exit from Silverlight, insiders mentioned later on Tuesday. Silverlight 5, expected to be finished by the end November, is said by Microsoft partner contacts for ZDNet to be the last-ever version. It might not get any minor updates and may even go without any support beyond Internet Explorer for Windows, backtracking on claims of cross-platform support.