>Option to skip the longer cutscenes.
>Option to turn off background trainers. If they're turned off, you can play triple and rotation fights. Two NPCs using those battled are added, and you can fight them once a day each.
>Trial leaders have a chance of showing up for title defense.
>The stone shop in Konikoni actually has ALL the stones, not fucking four.
>Everytime you defend your champion title and win, you see Guzma train under Hala and get a bit nicer each time. You fight him more, and his team changes a bit.
>Post-game Po Town is cleaned up a bit so it's not an Alola form of Detroit.
>All 1% encounters become 5% encounters for slightly less infuriating experiences.
>Side game like contests, Pokestar, or maybe something new to give you something else to do when you're bored.
>Tapu "sidequest" is expanded on so that you have to complete a trial in their ruins before fighting them, just to show some depth about them.
>Post-game trials for flying, psychic, iceand fairy (but you still get their crystals before the main game so you can use them in main game).
How did I do? Some of these aren't so much fixes as additions, but I wanted to make things interesting.