A lot of lesser played junglers get through the early game much better taking Ravenous Hunter (Karthus, Brand, Ekko, etc.). This hurts them and just overall denies an important jungle scaling option. A lot of outplays depend on that healing. At the very least, the bounty should go up to 2.7% to compensate.
The other thing is the DH change to not reset on takedown. I think this will feel very clunky and awkward. Although, [I already don't like the direction of this rune for other reasons.](https://boards.pbe.leagueoflegends.com/en/c/client-new-features-feedback/6MMgXUEU-new-dh-proposal-feedback)