Illaoi W bug

Has anyone recently encountered a bug where Illaoi with her W - Harsh Lesson gets stuck for 1-2 seconds or so? For me it can be recreated by using W melee range (no leap) on an almost dead minion and when the minion dies right before the W animation finishes. This would result in unable to attack for 1-2 seconds and sometimes made me lose cannon during ranked.
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