版本历史 Firefox 19.0

  • NEW - Built-in PDF viewer
  • CHANGED - Canvas elements can export their content as an image blob using canvas.toBlob()
  • CHANGED - Startup performance improvements (bugs 715402 and 756313)
  • DEVELOPER - Debugger now supports pausing on exceptions and hiding non-enumerable properties
  • DEVELOPER - Remote Web Console is available for connecting to Firefox on Android or Firefox OS (experimental, set devtools.debugger.remote-enabled to true)
  • DEVELOPER - There is now a Browser Debugger available for add-on and browser developers (experimental, set devtools.chrome.enabled to true)
  • DEVELOPER - Web Console CSS links now open in the Style Editor
  • HTML5 - CSS @page is now supported
  • HTML5 - CSS viewport-percentage length units implemented (vh, vw, vmin and vmax)
  • HTML5 - CSS text-transform now supports full-width
  • FIXED - Certain valid WebGL drawing operations are incorrectly rejected, leaving incomplete rendering in affected pages (825205)
  • FIXED - Starting Firefox with -private flag incorrectly claims you are not in Private Browsing mode (802274)
  • FIXED - Plugins stop rendering when the top half of the plugin is scrolled off the top of the page, in HiDPI mode (825734)