Browser upgrade features speed improvements and HTML 5 capabilities Mozilla is expected to release its Firefox 3.5 browser on Tuesday morning, a company representative said on Friday afternoon.A key feature of the browser is the TraceMonkey JavaScript engine, which boosts performance and stability. Indeed, speed has been stressed as a key attraction of the upgrade.[ InfoWorld’s J. Pete Bruzzese takes a look into the IE8 vs. Firefox 3.5 browser wars, while Roger Grimes puts browsers to the security test. ] A Private Browsing Model is highlighted as well, for control of private data. HTML 5 capabilities are included in such areas as encoded video.A downloadable release candidate for version 3.5 was released Monday, following beta and preview releases this month. Technology Industry