VMware has released an update to the existing vSphere 5.5 version vSphere 5.5 U1 and the release is applicable for both vCenter Appliance and Windows based vCenter based server.
- Availability of vCloud Hybrid Service via vSphere Web Client
- vCenter Support on Windows Server 2012R2
- Support to VMware VSAN
- Increased platform operating system support
- Increased guest operating system support
- 64-bit guest customization
- Updated Java Runtime Environment version
In addition to this there are few bug fixes which have resolved in this released. Please read the full release notes ESXi , vCenter and vCloud to know the resolved and the known issue in this released.