WIP More to follow

• Warning: ToastContainer: Support for defaultProps will be removed from function components in a future major release. Use JavaScript default parameters instead. #970
• className from ToastOptions overrides the toastClassName in ToastContainer props instead of appending #956
• Duplicated Notifications by Race Condition #946
• Rewrite tests using component testing #923
• Memory leak while using multiple containers are goes on in v9.1.1 #910
• React toast is showing multiple time.  #744
• onClose event trigger 2 times.  #741
• [bug] ToastId can't be reused! #534
• toast.dismiss() - Dismiss all toasts of a toast container ID. #416

🚀 New Features

• toast.dismiss allow to specify a containerId
• toast.play and toast.pause to toggle the progress
• New addon. StackedContainer! Will be progressively enhanced
• draggable accepts two new values: touch and mouse // TODO COMPLETE

💥 Breaking changes

• enableMultipleContainer is not needed anymore 🎉
• toast.POSTION constant removed
• toast.TYPE constant removed
• closeOnClick is false by default instead of true
• draggable is set to touch by default instead of true. Toasts are only draggable on mobile devices by default.