The term "decrypted" refers to game files modified to run on 3DS emulators like Citra or for use with custom firmware tools.
The official patch notes from the Nintendo Support website and Nintendo eShop describe the update as including "various bugs fixed to provide a smoother gaming experience". Key refinements identified by the community include: Pokemon Omega Ruby: Update 1.4 [Decrypted] 3DS ...
Fixed a critical glitch introduced in previous versions that caused international Random Matches in the Battle Spot to crash after team selection. The term "decrypted" refers to game files modified
The for Pokémon Omega Ruby and Alpha Sapphire , released on April 22, 2015, primarily addressed backend issues and refined the online gaming experience. Patch 1.4 Core Changes released on April 22