FPS drops in Northrend mostly.

Hi, i just came back playing after awhile on Frostmourne realm, and I have noticed that my friend and I are having massive FPS drops in random places in northrend.
Both computers are way above the req for playing wotlk, also we both used to play on this same client for over 5 years now.
We also encounter a pretty long screen lag for about 2-10 seconds in random places in Northrend.
Our FPS is usually over 100-170, and when it drops it goes to 20-30 for a few seconds.

Been trying to look for a solution on forums but couldnt find anything related.. so im wondering, is it just us both? Feels like its too much of a coincidence.
And if its not just us, is there any solution?
Thanks alot for any info in advance and stay safe :)

It happens to a lot of us. Staff said it's our addons.
Critical spots for are the red area with butterflies in Borean Tundra, looking at Icemist village when I'm in Wintergrasp and my personal favourite, this one: https://imgur.com/nWLAyCM

Some objects cause these FPS drops, not our AddOns. The scripts are being broken. For example near Warsong Hold. Sometimes those flying mobs in front of the building are causing issues. I have NVIDIA RTX 2080 and my AddOns have no memory leaks, because once I get a LUA error, I'm fixing it.

Quote:

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Originally Posted by Electronlicious

Some objects cause these FPS drops, not our AddOns. The scripts are being broken.

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Yeah, I know. It started happening around the time when the critter targeting was so wide you could pass half the map and still be unable to target anything else except the critter. Those were initial guesses on what was causing it.

I am also experiencing these same exact issues, when looking at certain structures or zones. Sometimes even leads to a WoW error. It happened before I even downloaded addons. Hopefully this is something that can be fixed.