Kha'Zix isn't built for the new jungle.

I've only played it a little and i can already feel how gimped i am compared to most every other jungle champion. His playstyle in general is just riddled with oxymorons:

He needs hunter's potion more than anything else, but refillable potion is so garbage it forces him to back after his first camp, further delaying him.

He needs to get items to powerspike, but he has to get hunter's pot and a jungle item just to clear well, which is 1100 gold down the drain, giving him nothing to show for it when ganking, fighting, or otherwise doing anything that isn't powerfarming.

His clear is garbage but he has to powerfarm to get enough gold in a reasonable amount of time to be effective.

Ganking is impossible between the mastery changes, the item price changes and his aforementioned punishing clear times and health, He needs to get insanely lucky, or he needs to rely on the lane he's ganking for to do everything for him.

I understand assassins are meant to be feast or famine and be able to shut down, but it feels like you're working from a deficit right from the start, the famine hit in champ select and you're just praying for a feast to drop out of the sky so you're allowed to do ANYTHING.

He's a goldsink that doesn't get onto the level of anyone else until at LEAST 20 minutes, and until then you're fighting a 4v5, as he's little more than a siege minion with hops until at least warrior enchantment.