# \[Solved\] Upgrade from 2.5.10 to 2.5.11 resulted in missing MQTTv1 processing **URL:** \ **Category:** Installation\ **Created:** [December 26, 2020, 4:41am UTC](https://community.openhab.org/t/solved-upgrade-from-2-5-10-to-2-5-11-resulted-in-missing-mqttv1-processing/111334 "2020-12-26T04:41:01Z")\ **Posts on this page:** 1\ **Showing post:** 12
**Author:** ![denominator](https://community.openhab.org/user_avatar/community.openhab.org/denominator/32/37349_2.png) [@denominator](https://community.openhab.org/u/denominator)\ **Post date:** [December 26, 2020, 9:25am UTC](https://community.openhab.org/t/solved-upgrade-from-2-5-10-to-2-5-11-resulted-in-missing-mqttv1-processing/111334/12 "2020-12-26T09:25:25Z")
I guess now you have a decision to make. Keep bashing away until you get the old one working or upgrading to mqtt2 on oh3 or goto OH3. GO with OH3 > [@YAML openHAB 3 MQTT TASMOTA SONOFF](https://community.openhab.org/t/yaml-openhab-3-mqtt-tasmota-sonoff/110003): > > Getting Tasmota working with OH3 using MQTT This is for someone that has installed openhabian and wants to use tasmota to control their device. Prerequisite SSH Access - I like and use [https://termius.com/](https://termius.com/) MQTT Broker - I Mosquitto as the Broker for all of my MQTT devices. I install using the openhabian config tool. Device - Tasmota installed on a device and be able to view webpage. MQTT Client - [http://mqtt-explorer.com/](http://mqtt-explorer.com/)SSH If you haven’t done so installed mosquitto using ssh login to … --- _[View the full topic](https://community.openhab.org/t/solved-upgrade-from-2-5-10-to-2-5-11-resulted-in-missing-mqttv1-processing/111334)._