Grenadier still has the same issue as it did before the patch. By selecting the trait you’re nerfing your ability to hit targets in some situations.
Here are pictures showing what I mean!
Without Trait – http://i.imgur.com/RP68UtF.jpg
With Trait – http://i.imgur.com/Eu8pzkS.jpg
Please just make it faster and not change the arc travel line.