WW feels much weaker
Don't get me wrong, he wasn't competitively viable or anything special in high ELO before. However, he just heals a lot less. Natural Talent was huge for him. He fully utilized both stats with good scalings on Q. The magic penetration and Fervor also gave him a huge damage boost. His ult. and Q have excellent AD scalings and Fervor gave 64 AD max. His base stats were also buffed less compared to some other junglers, such as Wukong, Volibear or Xin.
WW still has a decent winrate because he has a low skill floor. While his skill ceiling is actually decent and he has a lot of outplay potential, the skill floor is low enough that people without great proficiency on him can still be effective. The blood sense helps them understand what to gank and the terrible early clear without Tiamat also enforces that. A decent winrate doesn't mean WW is OK unless that winrate also exists in Diamond+.

Can proc Cheap shot up to twice per W.
Her Q also becomes really deadly with those early game.
