It addressed a specific glitch introduced in the previous v1.3 update that caused international Random Matches in the Battle Spot to crash.
For users with a modified 3DS console or those using emulators like Citra or Lime3DS, the update is often distributed as a .cia file. How To Update Game ROM For Citra! pokemon omega ruby update 1.4 cia download
When online services were active, this patch was required to access the Global Trade Station (GTS), Wonder Trade, and Mystery Gifts. How to Install the 1.4 Update CIA It addressed a specific glitch introduced in the previous v1
Like the v1.3 update before it, these patches were designed to block certain injection hacks and exploits used on legitimate cartridges. the primarily focused on stability.
Released on April 22, 2015, the primarily focused on stability.