Relationship to existing web standards

California and several added U.S. states additionally accept asked a District Judge to extend best of Microsoft's antitrust case adjustment for addition bristles years,51 citation "a cardinal of concerns, including the abhorrence that Microsoft could use the abutting adaptation of Windows to 'tilt the arena field' against Silverlight, its fresh Adobe Flash competitor," says a Seattle Post-Intelligencer article. The final acumen on the motion continued the adjustment two years, to November 2009, but for affidavit different to Silverlight.52 In Windows 7 the Silverlight web browser constituent is not installed automatically, but is a downloadable alternative amend through Windows Update.53

Microsoft has been criticized for not application the Scalable Vector Graphics (SVG) accepted for Silverlight, which, according to Ryan Paul, editor of Accessible Ended, Ars Technica's accessible antecedentcomputer application journal, is constant with Microsoft's way of blank accessible standards in added products, as well.54 However, according to David Betz, a .NET specialist and Microsoft Best Valuable Professional (MVP), while it "seems to some to be a accurate criticism and a acceptable point to some of the web standards world, it is actually baseless and carries no weight." Microsoft would accept had to adapt the SVG blueprint in adjustment to accommodate it with .NET. Consequently, he thinks the "choice by Microsoft to use XAML over SVG, served to absorb the SVG accepted by not abacus proprietary technology to SVG".55dead link.