Vsphere 6.7 Whats New small words

Full list:

https://docs.vmware.com/en/VMware-vSphere/6.7/rn/vsphere-esxi-vcenter-server-67-release-notes.html

The vSphere 6.7 release is the final release of vCenter Server for Windows

In-Guest unmap with snapshots

VMware is deprecating webplatform.js, which will be replaced with an improved way to push updates into partner plugin solutions without any lifecycle dependencies on vSphere Client SDK updates.
If you have an existing plugin solution to the vSphere Client, you must upgrade the Virgo server. Existing vSphere Client plugins will not be compatible with the vSphere 6.7 release unless you make this upgrade.

In vSphere 6.7, only TLS 1.2 is enabled by default.

Upgrade and patch operations of virtual appliances is deprecated in Update Manager 6.7 release.

ESXi Single Reboot Upgrades

4K Native Drive Support

Support for RDMA

VVol support for Windows Server Failover Cluster (WSFC)

Update Manager is now available in the vSphere Client (HTML5-based GUI) with limited functionalities.