+ 
It does not increase the range of his jump, which to my knowledge is just an extra range attack with a dash. If it worked on Illaoi and Ekko, why does it not work on Rengar. I think consistency is greatly needed here, either it works with aa range modifier or it doesnt
Let's not give riot any other reason to nerf my fav champ
Rengar's passive has both a dash and an attack range increase. The dash is not the range increase itself and RFC says nothing about increasing dashes.
I believe it's because of the warning mechanic.
There may not be a hook for itemization to increase the warning range, and the warning range is most likely balanced based on the time it takes for Rengo to go from the 1250 warning range to the attackable 600/725 range. If you added the ability to increase his attackable range there would be virtually no warning to his ult.
