It's been a great addition, power monitoring in particular is quite useful for automations detecting if the connected appliance is active or in standby. For instance, you can detect if a TV connected to the plug is active to turn on some ambient lights or even modify the behaviour of motion sensors so they don't turn off lights if the TV is active.

My request, in general for every Matter smart plug vendor, is trying to make the reporting smarter. Some brands report the power every 60 seconds, others every 30 seconds, the P110M every 10 seconds, but it's always a fixed rate. Matter allows being faster when a meaningful change occurs and slower when there's nothing interesting to report so the network is not flooded. In the example of an appliance connected to the plug changing from standby to active or viceversa, I would expect the plug to report the power almost immediately without having to wait 10, 30 or 60 seconds. Likewise, if the power is more or less constant, the reporting frequency can be relaxed, no need to keep reporting now is 38.10, now it's 38.02, now it's 38.35...

Anyway, it's great that Tapo is updating products to Matter 1.3, I hope the Tapo H100 hub is next for the water leak sensor (T300) support. Also looking forward to the P115M, which in Europe has a sleek round design, guess it will release with Matter 1.3 out of the box or there'll be a day-one update.

Nice!  I just got some new Tapo P110M and was setting them up in the app (they came with Firmware 1.0), because energy monitoring used to be proprietary. Not as good as the Eve Energy (which has Thread and EM for a long time), but at least you can fit two P110M beside each other.

After setting them up over the last few days, I noticed some of my existing P110M had updated to Firmware 1.3, and now had EM in their Matter device (in Home Assistant)! Yay! (I can disable the duplicates in the Tapo integration).  Not sure if they update over Matter yet (the firmware was recently released), or they only updated because I happened to open the app.

I had just set a new one up, and it had firmware 1.0. I used the TP-Link app to manually update to 1.3, and it appeared fine in the app, but was unresponsive on Home Assistant.

Easy fix was to hard reboot (disconnect from power and reconnect), and then the EM features appeared.

Thank you for supporting the standard.