Getting cc'd during a certain point in Wigglytuff's ultimate animation will cause the full effect to happen while providing the 90% refund.

90% Unite Reset Cancel

When the Dragon Rush and Dragon Claw combo is performed with a certain timing, both moves go on cooldown, but only Dragon Rush will perform. This bug happens more frequently in matches with higher latency and it can happen with both Gabite and Garchomp.

Dragon Claw + Dragon Rush Timing

Cancelling Rubble Rouser causes Crustle to gain the revenge damage portion for the rest of the game, and causes the Rouser shield (but not buddy barrier or the generic unite shield) to last until broken.

Cancelling Rouble Rouser causes Crustle to gain the revenge damage portion for the rest of the game, and causes the rouser shield (but not bb or unite shield) to last until broken.

Unite Move Cancellation Bug

If Blastoise is hit by Submission or Slowbeam during the unstoppable portion of his ultimate animation, he will lose the ability to ult for the rest of the game- Instead, pressing the ult will start the animation, and then reset him back to 90%.

Unusable Unite Move Cancellation

When a pokemon with a score shield is moved from its original position while scoring by rock tomb, the animation finishes but no points are consumed or scored.

Score Shield Scoring When Displaced By Rock Tomb

When using Bone Rush, Lucario can recall to base then teleport back to where they initially started.

Targeted Dash Activation Reversing Recall Teleportation

Drednaw does not always grant the Exp to the Team that Secures it.
One team will get the credit for the kill and the other will get the Exp.
This seems to be caused by DoT effects killing Drednaw on the same tick as another ability.

Drednaw does not always grant the Exp to the Team that Secures it.
One team will get the credit for the kill and the other will get the Exp.
This was originally believed to be caused by Venusaur with Assault Vest, but it has been confirmed possible with many Pokemon.
https://www.twitch.tv/lutano/clip/DignifiedTentativeLardChefFrank-8H7sldM-8S6Xvx-m

DoT Objective Splitting

Lucario's Close Combat hits 1 less time after upgrading (level 13), it does no bonus damage so overall does less damage after upgrading.

Close Combat Downgrade

Scope Lens' Boost does not activating when Scope Lens is equipped after Muscle Band in your Pokemon's Inventory

Scope Lens Equipment Ordering Nullification

Slowbro's Unite Move will occasionally allow the Enemy to move freely.
https://www.youtube.com/watch?v=hKKm_e07rJ4

Slowbro's Unite Move will occasionally allow the Enemy to move slightly in a single direction.
https://www.youtube.com/watch?v=hKKm_e07rJ4

Slowbro's Stunless Unite

When using volt switch, zeraora can recall and teleport back

Volt Switch Activation Reversing Recall Teleportation

After missing Power-Up Punch, Lucario has just enough time to land one basic attack before the +200% attack boost expires.