Irritating spike/ random pauses after The Silver Grove patch

[Exotheus]

Ever since the patch, I've been encountered with the irritating spikes and random screen pauses in the gameplay. I can't play it as smooth as I can before the latest Titania update. It caused me to fail in spy mission as I need to avoid the lasers and the sudden screen pauses stopped me from moving and literally I was looking at a stop motion picture and I can't do anything. Please fix it. Thanks.

[AcceptYourDeath]

There is definitively something up with the Silver Groove patch. I encounter spikes (drastic FPS drops/short freeze) at random for no apparent reason. Or on repeatable scenarios such as particle effects from Jat Kittag ground slam or Infested exploding with this orange stuff.