I'm using this issue to track all the feature requests made for flexslider and which ones we'll be integrating into the module.
#1669986: Multi-value image field in flexslider view format
#1645100: Add caption support for FlexSlider Fields
#1736472: Add "live preview" support in option set interface
#1513046: Add media module support for embeding inline slideshows
#1766224: Support for even & odd classes in Slideshow List?
#1935156: Update tests to match changes in 2.x
#1873970: Flexslider library should be #attached to content to allow caching
#1926060: API changes to flexslider_add()