Is riot opposed to kha'zix making a comeback in midlane?
because he's gaining a lot of traction there, his match ups aren't bad ever since thunderlords was added, he has decent trading pre 6, good roam potential, good safety pre 6 and extreme safety post 6.
Tiamat changes made it even easier on him, and ofc hexdrinker and maw are both fantastic right now.
scarra's been spamming it a lot with fairly good success, I think it's on its way, he did say, however, that his potential is capped by how good you are with him, he isn't better than other AD mids unless you're really good on him (and he admitted he wasn't yet)
If you haven't tried it, it's good, he's very versatile with how you can build him, (I like CDR capping with intelligence, personally) and he can snowball even harder due to the gold income increase.