Season 12, officially known as the Season of Light ran from 1 September to 1 December 2022. This season brought in a lot of new cups, which are the Little Jungle Cup Remix, Psychic Cup, Weather Cup, Evolution Cup, Halloween Cup: Ultra League Edition, Willpower Cup and Element Cup Remix. Little Jungle Cup Remix banned the three most used Pokémon in the last Little Jungle Cup from trainers Ace Rank and up: Skorupi, Cottonee and Ducklett, in addition to Shuckle, Smeargle and Salandit. The Psychic Cup had the same type of meta as the Fighting and Flying Cups from the previous season however Mew is banned. The Weather Cup was the first special cup in the GO Battle League to be in the Ultra League (outside of Premier and Remix). It only allowed Fire, Water, Ice and Rock-type Pokémon to compete. The Evolution Cup only allowed second stage Pokémon and its CP cap was 1500 (e.g. Zweilous, Vigoroth, Hakamo-o, Dragonair, Machoke, etc.) Halloween Cup returned and for the first time, it had an Ultra League edition. The Willpower Cup allows Fighting, Psychic and Dark-type Pokémon to compete with Gardevoir banned. Element Cup Remix played the same rules as Element Cup however Chinchou, Cottonee, Ducklett and Salandit are banned from competing.
