Upscale Resolution on Cataclysm Beta? Datamined Assets and Settings

With this week's Cataclysm Beta build, Blizzard has added more optional assets to the client in the shape of upscale resolution textures for the game. These are not currently usable by players in the beta but are dataminable.

While normal WoW textures are 64x64 pixels, these new uprezzed textures are 256x256 pixels, or 16 times more detailed. Below are a couple of examples.

These textures represent an extra 30 gigabytes of storage space compared to the normal client.

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