ESXi 6.7 is not officially supported with Rapid Recovery 6.2. However, ESXi 6.5 and 6.7 share the same VDDK Toolkit. ESXi 6.7 uses a backwards compatible version of VDDK. All functions native to ESXi 6.5 are compatible with Rapid Recovery 6.2's use of ESXi 6.7.
What does this mean to you:
If you experience an issue with Rapid Recovery 6.2 and ESXi 6.7, please open a service request with Support so we investigate.