[Observium] Non working pop-ups on new dashboard

Hello,

I have just migrate from CE 18.9.1 to Professional 19.1.9661 (stable) a I have problem with non working pop-ups on main page (new dashboard with widgets). In rest of environment are pop-ups working correctly. I tried switch to rolling (unstable) version, but the problem had persisted.

In source code I can see missing mouseover events for all items.

Is it a bug?

Thank you.

Kamil