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Massive lag in big Cyrodiil battles, is it ever going to be fixed?
The only answer anyone can give is "hopefully". We will just have to wait and see, won't we? I am pretty sure they are doing whatever they can to fix the problem, because it still seems to be affecting a lot of people and hurting their reputation more than most other bugs. "Massive, epic battles" was one of the main selling points in their pre-release marketing.