React Core

New Features

• Added strokeDashoffset, flexPositive, flexNegative to the list of unitless CSS properties
• Added support for more DOM properties:
  • scoped - for <style> elements
  • high, low, optimum - for <meter> elements
  • unselectable - IE-specific property to prevent user selection

Bug Fixes

• Fixed a case where re-rendering after rendering null didn't properly pass context
• Fixed a case where re-rendering after rendering with style={null} didn't properly update style
• Update uglify dependency to prevent a bug in IE8
• Improved warnings

React with Add-Ons

Bug Fixes

• Immutabilty Helpers: Ensure it supports hasOwnProperty as an object key

React Tools

• Improve documentation for new options