Bards Q is Inconsistent

I have been spamming Bard a lot over the past few months, with this I noticed that his Q does not always bind when it should. Especially when quickly changing position/ direction while also quick casting. It almost feels like it fizzles/ the range drops off.

I made a custom game and was able to replicate this several times on the scuttle crab.

Along with this the arrow head shape at the end of his Q seems to be ignored frequently when binding a target to a wall. (more scuttle testing)