Did they nerf Kha'Zix?

Kha'Zix has been on the fringe of the meta now that the jungle is no longer dominated by Sundered Sky users. We are taking this opportunity to buff some of his weaker evolves to give him the flexibility to adapt and overcome.

• > Passive - Unseen Threat · Damage: 17 - 136 (+50% bonus AD) ⇒ 22 - 141 (+50% bonus AD)
• > W - Void Spike · Evolved Slow Duration: 2 seconds ⇒ 2.25 seconds
• > E - Leap · Evolved Range Bonus: +200 ⇒ +300