The v1.4 update is the final official patch released by Nintendo for Omega Ruby and Alpha Sapphire. For Citra users, applying this update is essential for several reasons:
Use Accurate Multiplication to fix any flickering shadows or weird lighting artifacts common in ORAS. Performance Tweaks Pokemon Omega Ruby 1.4 Citra
Popular mods, such as Rising Ruby or Star Sapphire, often require the base game to be updated to 1.4 to avoid crashes. How to Install the 1.4 Update on Citra The v1
Once finished, the game icon in your Citra library should display a small "v1.4" tag. Best Citra Settings for Omega Ruby Pokemon Omega Ruby 1.4 Citra