This release contains mostly minor bug fixes on the client-side. One thing worth mentioning is added support for status on a4j:queue - instead of setting a status for each request you can set the status for a queue and each request going through the queue will use it if they do not have one set.
[RF-11766] - rich:tree - selectionChangeListener isn't called when the model org.richfaces.model.TreeNode is used
[RF-12491] - Datatable model is accessed in tab panel which is not rendered using switch type "server"
[RF-13138] - a4j:log - should print partial-response value in a level=debug, but prints [Object] instead
[RF-14003] - Richfaces included jboss-el-api_3.0_spec-1.0.4.Final.jar in the pom.xml
[RF-14011] - a4j:mediaoutput does not work on wildfly 8.2 , uploaded Image is broken
[RF-14015] - rich:calendar month and year selection does not work
[RF-14016] - treeNode: missing @toggleListener in taglib and docs
[RF-14018] - rich:select - js error - this.cache is undefined (or similar js error)
[RF-14020] - Richfaces 4.5.2 not working in Websphere
[RF-14026] - collapsiblePanel regression with switchType="client" and expanded="false"
[RF-14027] - tooltip doesn't work with popupPanel (4.5.x).
[RF-14032] - rich:calendar - pressing a key after manually changing the year resets the date
[RF-14033] - calendar: fragment: DayPicker: selecting of a day uses unnecessary ctrl key