Changes in DSpace 6.4

https://github.com/DSpace/DSpace/milestone/27?closed=1

Changes in DSpace 6.3

https://github.com/DSpace/DSpace/milestone/25?closed=1

Changes in DSpace 6.2

https://github.com/DSpace/DSpace/milestone/23?closed=1

Changes in DSpace 6.1

https://github.com/DSpace/DSpace/milestone/20?closed=1

Changes in DSpace 6.0

https://github.com/DSpace/DSpace/milestone/9?closed=1