What do you think is wrong with League of Legends?

Before each S-class competition, Fist will make a series of version revisions, and finally release a version of the competition, which will not be updated for two months before and after the competition. However, a small number of players find that the accidental Q skill in the game is zero mana consumption, so it cannot be used. Moreover, at that time, the line was dropped and hung wildly, and it was often reconnected when playing. After reconnecting, the accidental skill point is zero, so we have to retire and re-enter. However, the probability of occurrence is very small, which has not attracted enough attention from the fist. At the quarter-finals of s5, the second match between eng and fnc, 10 minutes later, the game was suddenly suspended for nearly 40 minutes. Later, the official explanation was that the bucket Q skill was suddenly unavailable and needed a rematch. In the end, the two sides had a rematch, and finally edg stopped at the quarter-finals. After the game, Jerax Giggs was suspended by default. Besides the version problem at that time, ironman and the captain were also suspended (except for a certain team), and the performance of China team was not satisfactory. I once thought this was the worst S-class event. Of course, as a bug in the S-level competition, I think it should be a famous bug in the history of LOL.