Constant Connection Lost notifications

as of late, (think it started on 104.x) there’s a very frequent Connection Lost notification sliding up the window.
While my config in rest is near perfect …:


this happens in the blink of an eye:

need to refresh the browser window after that.

A complete mystery as to the why of this, it happens most of the time after a relative longer period on 1 tab, or after a wakeup of the screen. Changing tabs do also invoke this every now and then…The actual tab I am on doesn’t seem to matter, it even happens on the state page:

clicking the state:1 at the far right reveals this:

anyone else seeing this? Seems like Chrome is mostly affected by this, Safari doesn’t show an error at all (both desktop Mac) while my iOS Companion app behaves nicely too.