Sometimes I don't get a notification that my opponent has guessed. Then when I try to make my own guess it's not possible anymore because the round has long ended for my opponent, so the guess-button just does nothing. Then I rejoin to find out that a new round has started and have lost almost all my health. This is a recent round where this has happened but it happened a bunch of times before https://www.geoguessr.com/duels/69d002685b3a5b0d571d652e/replay?round=2

Finbarr also had this exact same bug in one of his videos https://youtu.be/ZWzUGem9z5g?t=927