3.4.4

• Improve: Refactor the animations Bounce and Slide (#288)
• Improve: The active state is Displayed when the Picker is expanded (#299)
• Improve: Add a title to a multi-picker (#298)
• Improve: Picker clears the search input when it is cloed (#301)
• Bugfix: Update progress bar when the <Uploader> is controlled (#300)
• Bugfix: Fixed issue with active date item in month panel (#295)
• Bugfix: Fixed selectNode null exception in <MultiCascader> (#293)
• Bugfix: Fixed checkForField API in <Form> is invalid (#289)
• Chore: Update flow type definition (#294,#295,#296)