Since I received the update two days ago, the heart rate has been extremely inaccurate when not resting. It's only shown a high of 128 in Garmin Connect for the past two days - the heart rate monitor on my Bowflex Max Trainer (which, since I bought the watch two months ago) has always been within 10 bpm of the watch - tonight, it was showing 85 on my watch, 170 on the Bowflex. At one point, the watch did show 135, but even after re-synching with Garmin Connect, still didn't show beyond 128 on the app. I thoroughly cleaned the sensor yesterday and did a reset today, neither of which had any effect.
Is there some way I can roll back this update?