First look at Firefox 7

Mozilla cuts memory usage and adds new tools for developers

  • Improved memory handling
  • New rendering backend to speed up Canvas operations on Windows systems
  • URL prefix hidden by default
  • Support for Navigation Web Timing specification
  • New opt-in system sends performance data to Mozilla
  • Updated WebSocket protocol support
  • Support for text-overflow: ellipsis
  • Enhanced support for MathML
  • Play
  • Play
  • Backward
  • Forward

Improved memory handling

Mozilla engineers have been working hard to shed the browser's reputation for being a memory hog, in large part through the MemShrink effort. Firefox 7 is the first release to benefit from its successes, writes Firefox developer Nicholas Nethercote.

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