The level of priority isn’t really a factor, Shamisengai, it’s reproducibility. Having that is one of the key factors in figuring out what is causing it so that a resolution can be implemented.
I should also mention that Customer Support doesn’t have any influence on bug priority. Outside of providing samples and other reports we may get about a possible bug, it’s entirely up to QA and our Game Developers.
That said, it was recently posted that the team believes they may have found the cause, I’ll quote there here: