When creating Unity Spine animation objects, skeleton errors occur if the animation or constraint applied to the slider is foldering.

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    Gijun Thank you for reporting the issue. Please note that 4.3 is currently in beta, so there may be issues due to the runtime not yet catching up with the editor's functionality. We will address the issue you reported in order.

        @Gijun Thanks for reporting and sorry for the troubles. I assume that you're using the latest spine-unity 4.3-beta runtime from the download page, if not, please have a try whether updating resolves your issue. The spine-unity 4.3-beta runtime is currently up-to-date with the reference implementation, so this would be a bug then. We will have a look at whether we can reproduce the issue on our end as well.

        @Gijun We could confirm this issue occurs with .json exports on the reference implementation in SkeletonViewer as well, so it is indeed a bug. Thanks for bringing this to our attention!

        Misaki
        This is the bug, thank God!
        If it's a json problem, I'll try binary. thank you! 🙂

          @Gijun This issue has been fixed in the newly released Spine Editor version 4.3.38-beta. So you can update your Spine version and re-export as .json to have the error fixed. Thanks again for reporting.