Some Pokémon have had new additions to their move pools after ORAS. These are the following differences:

Bibarel does not have Aqua Jet and Swords Dance

Butterfree does not have Air Slash or Hurricane

Bellossom does not have Quiver Dance

Carnivine, Castform, Chimecho, Emolga, Illumise, Ledian, Servine, Swoobat, Unfezant and Volbeat do not have access to Defog; Murkrow cannot have the combination of Prankster and Defog.

Dedenne does not have Dazzling Gleam

Duosion does not have Stored Power

Emolga does not have Energy Ball

Glaceon does not have Freeze Dry

Gothitelle and Lunatone do not have access to Nasty Plot or Stored Power; Lunatone does not have Power Gem

Gourgeist does not have Power Whip

Heatmor does not have Drain Punch or Fire Lash

Lopunny does not have Close Combat

Noctowl does not have Hurricane or Nasty Plot

Pikachu cannot have the combination of Extreme Speed and Fake Out or Extreme Speed and Volt Tackle.

Sawsbuck does not have Headbutt

Seaking does not learn Swords Dance

Sudowoodo does not have Head Smash

Solrock does not have Flare Blitz or Swords Dance

Swirlix does not have Sticky Web

Swoobat does not learn Nasty Plot

Walrein does not learn Swords Dance

Wartortle does not have Shell Smash

Wormadam does not have Quiver Dance and Bug Buzz