New Tuya firmware (1.0.7, 2.0, 3.3..) updates disable the OTA Flashing options at the moment, This feature allows you to use the non flashed Tuya devices as tasmota device along with tasmota flashed devices, most of the tasmota features is virtually available and it can be expanded.
Is there anyway to pass SetOption19 1 to the devices? This would allow them to be discoverable via MQTT in Home Assistant.