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The Spine animation performance in build is very poor

Fixed Version

This issue has been fixed in Unity Playworks Plugin 4.5.0.

This issue may be caused by Runtime Analysis accessing Spine animation code causing a significant decrease in frames in the develop build.

Possible solution:

  • Try uploading the build to Unity Playworks and see if the performance issue still persists. If so, the Spine animation needs to be optimised.