After launching of Internet Explorer 9 Platform Preview in March ,Microsoft had announced that IE 9 will be upgraded after every 8 weeks. So, here comes Internet Explorer 9 Platform Preview 2 which is available now for developers.
According to Microsoft, IE 9 Platform Preview 2 is especially released by keeping the web designers in mind and many enhancements related to Developers.
Users can run IE 9 preview in parallel with their installed web browser. You can go ahead and grab the new IE9 preview, test it and give your feedback to Microsoft about its new features.