Reinstall fixed it.
Process I followed (likely excessive):
Settings → Apps → Wyze
Force stop
Clear Cache
Clear Data
Uninstall
Reboot Phone
Reinstall app and log in
Grant notification access
Notifications now working again.
Go into android settings and change back to my preferred notification sound.
Seems the 3.0 or maybe 3.1 app stores all your preferences in the cloud. My “favorites” were retained and just about everything else. The only thing I had to re-apply was my filter on the “events” tab.
After the OG firmware issue causing excessive notifications, and the app update stopping all notifications, I’m losing a bit of love for Wyze here.
NOTE - do not uninstall the app if you are still on the 2.X version. That likely means your device is not compatible with 3.x and you can no longer do a new install of 2.X!!