This page describes major administration changes between Abiquo versions.

...

Support for SMB2 has been added. Users can now disable SMB1. 
Discovery of unmapped Samba shares to be used as datastores. See Hyper-V for configuration details.
Remove the configuration of abiquo.virtualfactory.openSession property to use system default value because the platform now supports multiple connections 

...

Obtain provider billing data and display it on the Hybrid tab of the Home view dashboard, with associated privileges.  

...

4.4

Hyper-V

Support for SMB2 has been added. Users can now disable SMB1. 
Discovery of unmapped Samba shares to be used as datastores. See Hyper-V for configuration details.
Remove the configuration of abiquo.virtualfactory.openSession property to use system default value because the platform now supports multiple connections 

VMware

To enable the platform to deploy directly to VMware clusters, you can now add VMware clusters as physical machines instead of adding ESXi hosts directly. Migration is required.

Virtual datacenter names in public cloud

The platform can now identify virtual datacenters in public cloud using the VDC name in the VPC name in AWS, subnet name in Azure, vApp name in VCD, Edge field in NSX, and so on.

Dnsmasq

Added support for Dnsmasq, which can replace the current DHCP servers that use the OMAPI protocol. Migration via tool is required.

...

4.5

Base OS

Abiquo is now based on Centos 7. CentOS 6 packages are not provided. 

...

There is a new version of the Discovery Manager remote service that now performs all resource discovery tasks in private and public cloud. It replaces the previous version of the Discovery Manager and the Cloud Provider Proxy, which the platform will no longer use. The name of the Discovery Manager web application has changed from "nodecollector" to "nars", and the type has also changed to "NARS". The platform's api-java-client now supports asynchronous tasks. The platform logs this remote service in the nars logs, which replaces the nodecollector and cpp logs. Administrators As part of the upgrade process, administrators can remove the old remote service webapps: nodecollector and cpp.

...