Go to V3. I moved from V2 to V3, and it seems the zigbee devices are much happier. The V3 has a higher zigbee child device limit of 64 vs V2 is only 32. V3 hub is also zigbee stack 3. 0 compliant, V2 is not. V3 is a bit more Xiaomi friendly also. I have far less zigbee device dropouts than I did with V2. Very rare Something needs reset or re-paired. Some may say it has less memory or slower processor. I’ve noticed absolutely no difference regarding. Only downside is no battery backup. I have APC so it didn’t really concern me. V3 hub is probably cheaper also. Only issue going to V3, is it has to be setup with new app only. However once set up, you can go back to classic app. I use classic app only without any issues.