While HTML5 has made advances in areas like animation and video, support of HTML5 on mobile browsers remains inadequate, argues an official at Mozilla, which has been a major proponent of HTML5.
"The only problem that we have is that these stock browsers that come with iOS and with older Android [systems] are just not good enough for HTML5's new features and don't get them anymore." Heilmann blames hardware vendors for this problem: "What we need is to have is a way to actually update older browsers on older devices, and that's not in the interest of a lot of hardware makers because they just want to sell the new hardware." HTML5, though, is a first-class citizen on mobile environments like Mozilla's Firefox OS and Samsung-Intel Tizen platforms, Heilman said. It also gets first-class treatment on Google's Chrome OS, he added.
Heilmann champions HTML5 over native application development, noting that technologies like Adobe's PhoneGap enable the use of HTML5 for deploying native applications. HTML5 applications are designed to be flexible, while native applications are constricted to one environment, he said. But Heilmann also sees Adobe's proprietary Flash Player technology sticking around for a while, even if users do not want to install proprietary software. "Flash will not go away because of DRM (digital rights management) issues, for example, and things like streaming video that needs to be adaptive because that's not part of the HTML5 spec yet."
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