5.2 has quite a few bugs
Bug#1 Tristana can cancel an auto attack after the animation has completed causing it to do no damage even though the projectile has already struck the target.
Bug#2 Ahri is sometimes invulnerable while using her ult. Leona's xenith blade specifically does not proc the root on ahri, allowing ahri to dash away unaffected by the root, but still causing leona to dash to ahri's previous location
Bug#3 Crit chance favors minions over champions, or at the very least isnt accurate. This sounds far fetched but over the course of 3 games as tristana (maybe limited to tristana) i kept mathematical track of likelihoods of what happened to me. with 50% crit the chances of 4 consecutive auto attacks not critting is between 6 and 7%. I consistently experienced between 3 and 5 auto attacks with no crits when fighting champions, every single time, while i would frequently either get a normal distribution of crits against minions, or have 4 to 6 crits in a row against minions. I understand that it is chance based, but the probability of consistently yielding unlikely results in specific circumstances is too small to ignore. When I had 75% crit, the probability of not critically striking 3 times in a row is between 1 and 2%, yet, again, when fighting champions I would very frequently attack 3 times consecutively without critting. It seems that crit chance doesn't accurately give tristana, and maybe all champs, the actual amount of crits it should. Items tested are IE, shiv, tri force, and PD.
General complaint- If there are to be three dimensional graphical components to the game, there should also be some degree of three dimensional mechanics. My main concern is tristana jump. I understand the logic behind tristana still being targetable by ranged champions and abilities while in mid air, but at a certain height she should be able to "dodge" skillshots. A simpler solution would just be making it a dashing ability instead of a graphical jump. It is extremely frustrating as a player to appear to be jumping way over someone's head, and have them attack air, hitting nothing, and kill you, or have a blitz hook catch you when none of the particles indicate contact. It seems disingenuous to make an ability that appears to be way above things that are hitting you, but be hit anyway. Tristana isn't the only champion affected, but she is the one where the issue is most apparent. Whats the point of a jump when there is no z-axis in the game?