When double clicking a word doc
or
opening Libre Writer from the menu, I get this:
I hit OK, open my document without problems, and go about my business; i.e. the popup seems benign.
AN FYI post only, thought you might like to know. I'd say it was like this a couple days before Wednesday's update.
edit: I installed radiotray and gnome-maps early this week but nothing else. unlikely but mentioning for t-shooting.