vrm-0.x の fastspringbone の処理は、 vrm-1.0 版と同じものを使う

Assets/VRM_Samples/SimpleViewer/VRM.Samples.SimpleViewer.asmdef

@@ -5,7 +5,8 @@
         "GUID:da3e51d19d51a544fa14d43fee843098",
         "GUID:b7aa47b240b57de44a4b2021c143c9bf",
         "GUID:8d76e605759c3f64a957d63ef96ada7c",
-        "GUID:05dd262a0c0a2f841b8252c8c3815582"
+        "GUID:05dd262a0c0a2f841b8252c8c3815582",
+        "GUID:3e5d614bc16b50d41bd94c8d7444ca46"
     ],
     "includePlatforms": [],
     "excludePlatforms": [],

Assets/VRM_Samples/SimpleViewer/ViewerUI.cs

@@ -4,6 +4,7 @@ using System.IO;
 using System.Linq;
 using System.Threading.Tasks;
 using UniGLTF;
+using UniGLTF.SpringBoneJobs;
 using UniHumanoid;
 using UnityEngine;
 using UnityEngine.UI;
@@ -387,7 +388,14 @@ namespace VRM.SimpleViewer
 
             if (m_useFastSpringBone.isOn)
             {
-                var _ = FastSpringBoneReplacer.ReplaceAsync(instance.Root);
+                // job用バッファ作成
+                var buffer = SpringBoneJobs.FastSpringBoneReplacer.MakeBuffer(instance.Root);
+
+                // 登録
+                SpringBoneJobs.FastSpringBoneService.Instance.BufferCombiner.Register(buffer);
+
+                // 削除登録
+                instance.Root.AddComponent<FastSpringBoneDisposer>().Add(buffer);
             }
 
             instance.EnableUpdateWhenOffscreen();