Just in case you wanna confirm the fix and address it. 3 years is way too long.
https://www.youtube.com/watch?v=1b-idKsr0DY
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why are you spamming melee on a warlock or any class in PvP? Pretty sure if you get into a melee battle you will trade anyway because it isn't drastically slower, like a 5 second delay, and kills after dying happen a lot