You can find this information in the documentation tab

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This is due to an update in blender 3.6 that reversed the sample bias for textures. Simply change the sample bias value under the texture settings from "-0.500" to "0.500".

NOTE: This issue has been fixed. If you encounter this issue please download the latest version.

The skin brushes are docked below the inflate brush.

No, this product only adds customized brushes using blenders stock features.