>>33291096135 new pokemon
New type combinations
Two new unown forms
103 new moves
77 new abilities some of which work outside of battle
Revamped pokemon storage system, full-color, wallpapers, up to 420 pokemon
Pokemon Contests
Ribbons
Pokeblocks
Brand-new region
Seven new pokeballs, including my all-time favorites Premier Ball & Luxury Ball
Overworld weather now affect battles
Version-exclusive villain teams
Double Battles
e-reader
60 fps
Trading with international carts is now possible
Complete overhaul of the pokemon data structure:
Nature system
Shinyness & gender are no longer tied to IVs, Female pokemon are no longer weaker than male ones
Improved berry system
>>33291568Many of those features were intended for gen I, a lot of those were broken and RSE fixed them
>>33291725Except they did used the next technology to move the franchise forward.