Today, when I played a game, i found that I no HP bars at all were shown. That's it, only player names above hero models. The creeps had no hp bar either, so last-hitting was an absolute pain. Also, when I killed a creep, instead of the normal golden number, it appeared a longer, small font text (which was impossible to read). I don't know if its persisting, but it it VERY annoying. I searched game settings but found nothing.