The update enforced the official Video Game Championships (VGC) 2018 rule set, automatically restricting banned Mega Stones (e.g., Kangaskhanite, Gengarite) and Z-Crystals in ranked battles. It did not, however, add new Pokémon forms or moves.
Pokémon Ultra Moon , released for the Nintendo 3DS in November 2017, received its final significant patch, Version 1.2, in April 2018. This paper examines the update’s technical and gameplay modifications, including bug fixes, online functionality changes, and the removal of unintended game mechanics. It argues that Update 1.2 primarily served to enforce competitive balance and patch exploit-based glitches rather than add new content, reflecting Nintendo and The Pokémon Company’s post-launch strategy for the 3DS era.
[Generated for analytical purposes] Date: April 14, 2026
The update fixed a bug where rental Pokémon in the Battle Agency (a Festival Plaza facility) would retain illegal movesets or abilities from previous players’ save data. This stabilized online co-op battles.
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