Salgo60 added a comment.
Ok maybe I have activated some _javascript_ on my Wikidata profile that is the problem?!?!?
You are right I tested on page https://www.wikidata.org/wiki/Q10407190
both with Safari and Chrome and no problems
I will come back when I have been checking _javascript_ console
Mbch331 added a comment.
I can't reproduce this. Tried it with interface language Dutch and English and in both cases the label for P3217 appeared immediately after saving the statement. Could you specify which browser (including version) and OS you are using? And when this happens again, could you