I haven’t been able to figure out how to consistently reproduce this but sometimes my avatar appears as having voted when I go to a topic and check who’s voted. (This isn’t after voting and unvoting).
An example:
Am investigating more - the bug still happens when I’m on safe-mode with only official plugins. It seems to be tied to the topic (when it happens in a topic once it keeps happening) and the account (bug happening in one topic for one account every time but not for another).