After months of teasing, Google Code has finally unveiled Dart, its new programming language for building web applications, a new platform developed with simplicity, efficiency, and scalability in mind, combining powerful new language features with familiar language constructs into easy to define code. Today Google Code are introducing an early preview of Dart, a class-based optionally typed programming language for building web applications. Dart’s design goals are:

On the mobile team, we strive to produce web apps which look and feel just like installed apps. In the past few weeks, we’ve released a number of features which make Gmail for mobile look sharper and feel smoother.

Anyone that wishes to access a PDF file on an internet browser probably finds that the plugin that loads the file is Adobe Reader. But how about if, using HTML5 code and Javascript, you could view the PDF file directly in the browser without needing a third party plugin? That’s what Mozilla has been quietly but surely working on.

Internet Explorer 9 has been under development for the past year, going through a number of platform previews, two betas. After a year-long wait, Microsoft finally hit the latest Release Candidate milestone with Internet Explorer 9.