MP AH-64 Performance Issue post-patch, not present SP

[JediMaster]

So my group is doing one of those Foothold/TTI missions on Sinai, I forget what it's called, and I've got a new problem since the update yesterday.

In the AH-64 CPG seat, using TIR 5, if I have the mirror on and/or TEDAC showing TADS, and I pan my head around, I get awful stuttering and frame drops. I have the ctrl-Pause graph up and you can see the wild fluctuations and heavy drops at the same time.

If I turn the mirror and TEDAC off, or set the TEDAC to FCR or HMD or anything not showing a live video picture, no issues with panning. 

If I disable the TIR and pan using the keys on the keyboard, no issues with panning. In both cases, I will STILL see some fluctuations in the FPS but not as severe and there is no stuttering like using TIR causes.

If I generate a SP mission in the QAG in Sinai, same area just west of the Suez near Az Azazaq or whatever the field is called, I can turn everything on and pan with TEDAC and mirror on, no issues with panning or even FPS drops.

I don't use TADS display in rear cockpit when I'm there, so I didn't experience it in pilot seat and I forgot to toggle its mirror.

Granted I am not running the mission locally in SP, only when online, but last week, identical setup and mission (we fly Wednesday nights), not one problem.  Also, two others in my group are using the AH-64 and reported no issues, but I don't think they use TIR 5. One I think uses VR and the other I don't recall what they use.

So TLDR the combination is MP Foothold/TTI Sinai, AH-64 CPG seat, TIR 5, TEDAC showing TADS/mirror on, panning using my head is a game-stopper it's so awful. Disable the TIR OR the TEDAC/mirror OR play SP and it's fine.

One thing I did not get to test was I have both track clip reflector and track clip pro IR lights, depending on whether I'm wearing my headset or using speakers. Last night during the MP mission and during my testing in SP I was using the Trackclip Pro IR lights. I do not yet know if the reflector track clip would exhibit the same results and I'll need to wait till NEXT Wednesday when the server is running again to check.