Summery
This update refactored a large section of the plugin's internals but does not add any real features for most users. If you do not use the developer api, you can skip this update (it adds infrastructure that will allow for higher quality feature updates in the future). If you do use the developer api, this update is a must.
Dev API
This update adds a new gigantic section of the developer api that is used to dynamically register new ability triggers, just as you would with keywords and conditions. You can read more about the new api in the
tutorial on the plugins wiki, right here.