VMware NSX for vSphere 6.4.8 resolves a specific issue identified in VMware NSX for vSphere 6.4.7, which could affect both new NSX customers as well as customers upgrading from previous versions of NSX.
The full release notes are here
Before you upgrade your version check if your installation is supported to work with VMware NSX for vSphere 6.4.8
VMware Product Interoperability Matrices
- Fixed Issue 2614777: DFW Rule Publish fails if a rule is comprised of two services with overlapping service port/range of service ports.DFW rule publish fails.
- Fixed Issue 2306230: Messaging infrastructure goes down for hosts due to hearbeat delay.Hosts passwords get reset. Users might not be able to configure on the hosts during the disconnected time.