Is there a download somewhere for Beta 30. Just updated to 31 and immediately experienced a bunch of little bugs that I don't have time to report properly such as the properties panel not showing the correct properties when selecting an element and I couldn't delete an api action. I tried relaunching the app, no luck.
Found the problem with delete action and we will fix it asap in the update tomorrow.
However the other problem with properties inspector not refreshing, can't really reproduce, maybe something else is going on in this particular case. So more info and reproduction is needed