While the official patch notes are not readily available, players who have downloaded and installed Update 15 have reported some changes:
Fixed issues causing disconnects during Random Matchups and Online Competitions. pokemon x update 15 3ds world cia region f verified
Cumulative inclusion of previous patches, such as the critical Lumiose City save glitch While the official patch notes are not readily
Installing the Pokémon X Update 15 3DS World CIA Region F Verified is a straightforward process. Here are the steps: pokemon x update 15 3ds world cia region f verified