Create README.md

Wan22Animate/README.md

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+# WanAnimate fp8_scaled models
+
+# v2 bugfix update for native workflows
+
+The initial uploads has the face encoder layers in bf16, as back then I was unsure if they can be quantized. 
+
+When running these models in the WanVideoWrapper those layers are used in the base_precision, but when running these 
+in native ComfyUI, they get downscaled to normal fp8, which seems to introduce pretty bad noise in the outputs in a grid pattern.
+
+The v2 update addresses this by using fp8 scaled on the face encoder layers as well. For the wrapper you can keep using the initial models.