It works absolutely fine
![Smiling face :relaxed: ☺️](https://cdn.jsdelivr.net/joypixels/assets/7.0/png/unicode/64/263a.png)
Installed the ROM yesterday on my Xiaomi 13 Pro and the watch 5 connects and runs just as it should. As for the Samsung only features (blood pressure and ECG) there's a way around that using a modded version of the app. Google it for instructions but it's very easy to do.