Yasuo needs some changes asap!
He's currently underwhelming so I propose some changes to balance him, pick one or more of those:
Q: Damage is multiplied by his current attack speed (so with 1.7 atk speed deals 1.7x damage);
W: The projectiles should be reflected back to the attacker;
E: Should apply on-hit effects;
R: Should reset cooldown if yasuo kills someone while the buff is active.