Google has added five security enhancements to Chrome in order to make browsing more secure: cross-documents message posting, Strict Transport Security, Origin and X-Frame-Options header fields, and Reflective XSS Filter. Some of these features have already been or are to be implemented by other browsers.
The Web Hypertext Application Technology Working Group (WHATWG) is working jointly with W3C on developing the HTML 5 standard, which has been at "Last Call" at WHATWG for the last 3 months. During this time one feature which has changed more significantly is the sandbox attribute of the iframe element. sandbox can be used to isolate untrusted web page content from performing certain operations.
After a couple of betas, IE8 was finally released last month including version 5.8 of its JScript engine. The main enhancements of the scripting engine are: JSON support, performance optimizations, ECMA 3 compatibility, a profiler plus a debugger.
Microsoft has just released Internet Explorer 8 Beta 2. While Beta 1 was aimed to the developers, Beta 2 is for the consumers. Some of the top features of the browser are: Web Slices, Search Suggestions, Accelerators, Compatibility View, SmartScreen Filter.
