If you don’t mind, while y’all are at it, please fix the leak in the B.net client app too. For macOS I mean. And compile as a Universal Binary too for those of us on M-series arm64. Watching Agent suck all the memory up is awful.
This is happening with DX12 too.
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Those saying they are seeing it with DX12, have you confirmed it’s an actual memory leak and not just a separate crash bug? None of tech mvps or blizzard have been able to find a memory leak on dx12 at all. I’d be curious to see some crash logs from your “errors” folder or maybe screen shot of memory usage wow has that indicates a leak.
the contents of the gx.log would also be helpful
I ask for that constantly, but bnet is a completely different team, in fact they don’t even read the forums really outside of the actual bnet specific forums. rommax likely has nothing to do with that specific team or it’s issues so probably worth posting in bnet forums.
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I’m running DX12 as well as some of the others, and just got through around 5 hours of play before my whole system spazzed out and I got the out of memory warning. This was the first time I have been on the game since patch. I have 16 gigs of Ram, and just launching the game and sitting on the character select screen I jump from 41% memory usage to 58%, actually logging into a character jumps it to 71% and climbs the longer that I have the game up. This is only in retail as well, I have checked with all versions of classic too, and the jump is not even 10%.
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Thank you, that explains a lot to me, my system is quite advanced with 64gigs of ram, while playing it froze up a couple of times and i had to reboot. That had never happened before. once again thanks
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what about mac, I am playing using a m1pro macbook pro.
I was going pretty nervous, now I know its not on my end.
Can this damage my PC?..Sorry, not a tech savy at all.
I’ll try all the solutions above in the mean time.
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Ah, good point. Keep up the good fight Omegal 
im having this issue on my demon hunter but no other class i have two computers one old and one new and im having the issue on both im using dx12 and having memory leak too with my demon hunter
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assuming hotfix going in as part of weekly reset tomorrow?
Seems like the leak slowed down but is still present. Starting at ~5gb and after a little over an hour I’m at 12gb memory being used by WoW.
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Yeah, same here unfortunately. Seemed like it was all good for about 40 minutes then ram got filled up. Downgrading to DX11 Legacy does seem to help, if not eliminate the problem, but it’s not a ton of fun having to use it. Don’t have the option for DX12 unfortunately, but I’m going to finally bite the bullet and get win10/11 pretty soon here. I’m stubborn like that but it’s pretty obvious there’s going to be more and more issues with W7 as time goes on.
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really strange issue…at this point i dony think it gets corrected fully anytime soon. probably going to take them time to iterate on it
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I’ve been having crashes since second week of October making the game unplayable for more than a couple minutes before entire computer crashes. Today, support went through my system files and said I’m affected by the memory leak. Finally, 5 weeks of them giving me non answers and “sorry for the frustration” and they have finally identified the issue! So happy about that. Hopefully hotfix comes soon.
However…. I missed out on the majority of hallows end because of this and the emerald dream has been unplayable…… so I vote 1 or 2 months game time to be given to all active subs during this issue. They admitted they incorrectly placed a code that pretty much erased the ability to play for so many…. But they didn’t do anything to rectify it. Game time please as a sorry for your mistake! 
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Some of you were posting before fix went out. the first build was just to fix combat log, the one few hours after it fixed memory leak.
My own testing shows it’s now fixed. Wow now sits at about 8GB where it normally sits on apple silicon on ultra settings. no more 37GB usage.
fort those that go “8GB is still leaking”. apple silicon doesn’t have vram, the app heap is both. this is about the equiv of windows using 4GB and 4GB vram from video card.
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seems to be working for me too again now back on Normal DX 11. 30 mins or so where before it crashed after a few. Gosh Legacy DX 11 sucked so hard with its FPS.
No clue if it’s related or not, But since this weeks maintenance I have been getting memory crashes, but I use DX12.
Mine is definitely not fixed as of the moment I’m posting this…… (mac)
My AMD laptop is also completely shutting down, at random, and in raids almost every 2-3 minutes. While questing, it shuts down every 20-30 minutes. I tried the DX fix and it is still the same. The game is completely unplayable like this.