Correct. Release notes list only production app and firmware versions.
It was a reply meaning exactly what I stated. It was available to two separate groups… all beta testers running 1.6.113 and also a very limited number of production (non-beta) users running 1.6.113.
Beta announcement: Wyze Robot Vacuum Firmware Beta Test 3/1/2022
Limited production announcement: Wyze Robot Vacuum Firmware 1.6.199 and 1.6.202 Gradually Released! - 3/22/22