I noticed that in the preview my sprites has been smeared, mostly with the color of edge pixel.
I think this will not affect the actual game in anyway since cropped rect does not include that area but any explanation why Unity is doing this? Is it more desirable to leave some space around sprite prior to packing with Unity’s internal packer? Since most sprite packer provide offset parameter to adjust while Unity does not, I’m worried should I manualy add the space?