Update 1.2 — Pokemon Ultra Moon

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.

Post-Launch Iteration in Pokémon Ultra Moon: A Case Study of Update 1.2 pokemon ultra moon update 1.2

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. The update fixed a bug where rental Pokémon

The most notorious exploit resolved in 1.2 was the “Poke Pelago egg duplication glitch.” Previously, players could manipulate the Isle Avue hot spring to clone Pokémon eggs, allowing unlimited legendary or shiny Pokémon. The patch permanently corrected the memory handling error, making duplication impossible. This paper examines the update’s technical and gameplay