A list of global patches that affect gameplay mechanics:

 Accessibility:
  Disable Screen Shake

 Bugs:
  Berry Eat Crash Fix [p4plus2]
  Feather Autoscroll Freeze Fix [Romi]
  
 Decheese:
  256 Pipe Glitch Fix [Noobish Noobsicle]
  Level Constrain v3.1 [HammerBrother]
  P-Switch Duplication with Yoshi Fix [Kevin]
  Rope Fix [Alcaro]
  Yoshi Springboard Fix [lolcats439]
  
 Dejank:
  Ball n' Chain and Yoshi Interaction Fix [Kevin]
  Block Dejank for Thrown Items
  Block Dupe Fix [Tattletale, lolcats439]
  Double Spinjump Antifail [Alcaro]
  ON/OFF Double Hit fix [leod]
  P Balloon Cloud Fix [lolcats439]
  Proximity Wraparound Fix [HammerBrother, JackTheSpades, RussianMan]
  Remove Speed Oscillation [tjb0607]
  Slope Pass Glitch Fix [lolcats439]
  Sprite Slot Non-Interaction Fix [chillyfox]
  Vertical Spawn/Despawn Fix [HammerBrother]
  Wall Clips Disabled [lolcats439]
  Yoshi Sprites Interaction Fix v1.1 [Kevin]
  Yoshi Stomp Hitbox Fix
  
 Feature Changes:
  Better Random Number Generator [wiiqwertyuiop]
  Bring Up Save Prompt by Pressing Select [Alcaro, Erik, Westslasher2]
  Cape Turnaround Patch [betalogic]
  Disable Screen Scroll
  Individual Dragon Coin Save [JackTheSpades, lx5, worldpeace]
  Retry [Kevin]
   Counter Break: Power-ups, Yoshi
   Lives: Infinite
   Midways: Save
   RNG Reset: No (this means there's RNG)
  Spinjump Carry Fix [betalogic]
 
 Frame Rules:
  Mario-Sprite Interaction
  Consistent 8 Frame Cape Float Release [xHF01x]
  
 General:
  Minimalist Status Bar [Ladida]
  Overworld Counters [Darolac, Ladida]
 
 Sprite Modifications:
  Hammer Bro Fix v1.1 [Tattletale, yoshifanatic]
  No Grinding Noise [Sonikku]
  No Silent Bullet Bill [Ramp202]
  Pokey's Top Segment Interaction Fix [RussianMan]