Why are we not allowed to zoom out more or use 32:9?

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Community_Team wrote:

Previously it was possible to manually set the aspect ratio of the Path of Exile client to be very short and wide, allowing you to see an unintended amount of the level at once. A limit needed to be set. Because of server serialisation distances, this maximum aspect ratio is currently set to 21:9. This is the widest that we can currently go before we start hitting the cutoff where entities and effects vanish. We are looking at being able to increase this in the future.