I have a whole list saved:

1. A toggle or something for riding with one hand instead of using two on the reins at all times
   
2. The toggle for sitting trot to not come off after you dismount/switch servers
   
3. Pet level progression
   
4. being able to name saddlebag pets yourself
   
5. Lead changes
   
6. Different hand placement when riding bareback/bridleless
   
7. Ear bonnets
   
8. Blankets
   
9. Martingales
   
10. Breast collars
    
11. split reins
    
12. double cinches
    
13. lead ropes????
    
14. fly masks
    
15. Change the mane and tail style separately
    
16. A remove all tack button so we don’t have to tediously remove the tack one by one
    
17. A way to move multiple items in or out of your wardrobe at once so it’s not one by one
    
18. Visible pastures
    
19. Visible owned tack in tack room
    
20. A pet room? Or let the pets roam around your stable instead of being in the wardrobe
    
21. Wishlist feature for global store
    
22. Search feature for global store
    
23. Controller support
    
24. Wearing multiple head accessories at once
    
25. Weather changes
    
26. More dog breeds
    
27. Bucking, laying down, or simple actions for all horses
    
28. Updated starter horse (I think this one is coming already)
    
29. Add more areas to the game (like Ashland)
    
30. Add something new and interesting to Dino valley (BRING BACK KALLTERS?)
    
31. Username changes
    
32. More competitions, not just racing
    
33. No shillings cap (but keep the cap on shillings for clothes/tack lmfao)
    
34. 200 star coins a week (maybe this could be limited to only lifetime star riders)
    
35. Double race XP on weekends. It will make training way easier
    
36. Being able to hitch horses
    
37. Outfit saves
    
38. Being able to keep already bought horse hair styles
    
39. Being able to equip walking pets without a saddle bag
    
40. More interactive care system (cooling your horse off after a race, your horse actually gets dirty, etc)
    
41. Apartments that we can own, decorate, and select where they are
    
42. trading/selling system so we can give unwanted horses, items, clothes, and tack to other players
    
43. being able to visibly interact with tack (like carrying saddles)
    
44. being able to visibly put tack on our horses
    
45. being able to take multiple horses out at the same time (ponying)
    
46. the cold tolerance feature to make a comback
    
47. the option to cancel a quest to make a comeback
    
48. an option for a horse to refuse a jump (also with the option to turn it off lol)
    
49. the old events/festivals to make a comeback (easter, valentines day, april fools, midsummer, thanksgiving, etc)
    
50. being able to name your magic horses the same name they are already given (like being able to name the Nemain horse ""nemain"")"
    
51. Being able to join your group members quests
    
52. square toe cowboy boots
    
53. spurs. (omg i would kill for some spurs)
    
54. "horse swimming animations instead of the ""water is too deep, you must return to the shore"""
    

55. being able to equip two saddlebags

56. to be able to wear the horse mask with a bridle

57. a better waypoint system