Hi we have exported atlas from spine via command line into unity but the atlas png is not recognized by unity as texture. Has anything changed?

{
class: json,
project: "",
output: "",
extension: .json,
format: JSON,
prettyPrint: False,
nonessential: True,
createAtlas: True,
texturePacker : {
   pot: True,
   paddingX: 2,
   paddingY: 2,
   edgePadding: True,
   duplicatePadding: False,
   rotation: True,
   minWidth: 16,
   minHeight: 16,
   maxWidth: 2048,
   maxHeight: 2048,
   square: False,
   stripWhitespaceX: False,
   stripWhitespaceY: False,
   alphaThreshold: 0,
   filterMin: Linear,
   filterMag: Linear,
   wrapX: ClampToEdge,
   wrapY: ClampToEdge,
   format: RGBA8888,
   alias: True,
   outputFormat: png,
   jpegQuality: 0.9,
   ignoreBlankImages: True,
   fast: False,
   debug: False,
   combineSubdirectories: True,
   flattenPaths: False,
   premultiplyAlpha: True,
   useIndexes: False,
   bleed: False,
   limitMemory: True,
   grid: False,
   scale: [ 1 ],
   scaleSuffix: [ "" ],
   atlasExtension: .atlas.txt,
}
}

Ok. Not bug on your side. It is new import pipeline in Unity 5.5.