v1.5.1

• 854554b Fix issue #44

v1.5.0

• fa71780 Added Flow types
• 97e73ec Fix issue #26
• def4c99 Fix issue #20
• 733984e Enabled MutationObserver in IE 11 (#19)
• 10d761d Partial fix for the issue #17

v1.4.2

• Swapped long polling with Mutation Events as a fall back strategy.

v1.4.1

• 7d5c45b
  • Fixed possible conflict which could've been seen when the ResizeObserver's callback affected content dimensions of elements that were tracked by another observer instances.
  • Fixed an issue with the unobserve method which, when it was invoked on the last observed element, was preventing already gathered active observations from being delivered. This issue was reproducible only when this method was used in a callback of another observer.

v1.4.0

• a8f658e Fix: issue #6 (MutationObserver is no longer used in IE11)
• 3f9bcb7
  • Fix an issue with svg elements that don't implement the SVGGraphicsElement interface
  • contentRect now has an interface of the DOMRectReadOnly instead of the ClientRect
  • Substitute the "continuousUpdates" option with a subscription for the "transitionend" event

Remove redundant/empty ResizeObserver class

• Removed extra class for a non-browser environment
• Imroved code coverage for the node environment

Bug fix

• Removed module field from the package file due to multiple issues with Webpack 2
• Added a fallback for a non-browser environment

Deprecate global version and fix for a bug

• Fix for the issue #5
• Deprecate the global version
• Remove dependency on gulp
• Remove minified versions

1.2.1

• Added typescript declarations
• Switched main file to the UMD version

Performance improvements

• Removed idleTimeout static property
• Improved performance by reducing the number of updates
• Smaller and more legible bundles because of migration to Rollup