Lucian's Double PewPew bug v2

Reposted with Youtube link instead of Twitch link for clarity (!!)

Was noticing since patch 4.X that I had trouble killing creeps on Lucian. I thought it was just the nerfs to him but soon after I noticed the double shots failing. It's patch 5.7 now and I'm honestly surprised no one else noticed it yet/reported it. So here I go.

Times of Lucian's passive 2nd shot failing to go to the lowest minion for a creep kill. Instead going to a higher health minion:

2:30 definitely. 3:19 not sure.., need nerd calculation, I leave that one up for speculation. (runes are 11 AD, 15% attack speed, 9 armor) 6:30 is the most obvious one. I got a minion wave with a siege minion, led them to the jungle so my minions wouldn't interrupt. Got all the minions low, get my passive proc, 2nd shot goes to high health siege minion instead of 2 low minions that are right next to it.

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TL;DR Lucian's passive fails to target lowest health minions on the 2nd shot @ 2:30//3:19//6:30.

Original Twitch video from my first post: http://www.twitch.tv/theekoekje/c/6515349