With League of Legends' Season 2023 Split 1 ending on July 17, 2023 @ 11:59:59 PM* local server time, there's no opportunity like the present to give you a heads up! * The Master, Grandmaster, and Challenger season ends 15 minutes earlier, July 17, 2023 11:45 PM local server time. League of Legends Server Time Zones. But, according to multiple reports, League of Legends mastery tracking is not working properly during challenges. Source. The challenges completed by the player are also not being registered correctly by the game. 1- The challenges aren’t tracked well, on top of the fact sometimes they aren’t detected, it’s hard to assess what challenge All known issues and fixes identified for VALORANT. English (US) العربية League of Legends Legends of Runeterra Teamfight Tactics VALORANT lsT6Ei.