Micro Freezing

I'm getting micro freezes for a couple seconds every minute or so which is quite frustrating, fps is stable at 60 all the time and my ms doesn't move off 30. the weird thing is that it was also happening to one of my friends as well, we were freezing at the same time. not sure whats happening here, it only seems to have happened since the last patch, i have discord working fine and don't use the overlay, i don't use any overlays so I'm quite confused as to whats happening. any help would be appreciated thanks. another side note is that if you click an ability while frozen it will just queue the ability and use it straight after the freeze stops.
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