I couldnt find anything related to this,but if i use recommended settings it ticks this thing for some reason.What it does ?
it reduces latency in instances, by using extra bandwidth and reduced packet sizes.
So its only useful in raids,bgs and dungeons ,i shouldnt use it outside of that ?
i just have it ticked all the time, but that’s totally up to you:)
The usefulness of this setting is really down to the stability and bandwidth of the local internet connection. On a high-end connection (e.g., VDSL, optical fibre or such), there is generally no downside to using it. 