While the official patch notes from Nintendo Support and Bulbanews simply state that "various bugs have been fixed for a smoother gaming experience," community research has identified several specific improvements:
While Nintendo often lists "various bug fixes" for these updates, Version 1.4 specifically included the following: Pokemon Omega Ruby Version 1.4 Download
format. These files are usually dumped from a physical console, as downloading them from third-party sites is legally restricted What Version 1.4 Includes While the official patch notes from Nintendo Support
If a friend has a 3DS with Omega Ruby Ver 1.4 installed, you can use homebrew software like to dump the update as a .CIA file and transfer it to your own system. Released in 2014, the game is a remake
Pokémon Omega Ruby is a popular role-playing game developed by Game Freak and published by Nintendo for the Nintendo 3DS handheld console. Released in 2014, the game is a remake of the 2002 Game Boy Advance title Pokémon Ruby.