Improvements:

• Updated the Closure library and the Closure Compiler to version 20161024.
• Improved performance.
  • The process of getting a link to a container for the stage has been optimized.
  • Resize events are now delivered using the Timer object instead of the iFrame element.

Bug fixes:

• Fixed exporting to an image file in a situation when dimensions are specified for the following methods: saveAsPng(), saveAsJpg(), saveAsSvg(), saveAsPdf().
• Fixed gradients in Firefox 51+.