DanMachi:

-compatibility improvements
Core:
-simplified object and keyframe serialization
-complicated assetbundle loading

Assets/DanMachi/Scripts/SpringBone/SpringBone.cs

@@ -1,21 +1,8 @@
-using System.Collections;
-using System.Collections.Generic;
 using UnityEngine;
 
 namespace Unity.Animations.SpringBones
 {
     public class SpringBone : MonoBehaviour
     {
-        // Start is called before the first frame update
-        void Start()
-        {
-
-        }
-
-        // Update is called once per frame
-        void Update()
-        {
-
-        }
     }
 }

Assets/DanMachi/Scripts/SpringBone/SpringCapsuleCollider.cs

@@ -0,0 +1,8 @@
+using UnityEngine;
+
+namespace Unity.Animations.SpringBones
+{
+    public class SpringCapsuleCollider : MonoBehaviour
+    {
+    }
+}

Assets/DanMachi/Scripts/SpringBone/SpringCapsuleCollider.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 572171c99ddfc0542b942432884ec564
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/DanMachi/Scripts/SpringBone/SpringManager.cs

@@ -0,0 +1,8 @@
+using UnityEngine;
+
+namespace Unity.Animations.SpringBones
+{
+    public class SpringManager : MonoBehaviour
+    {
+    }
+}

Assets/DanMachi/Scripts/SpringBone/SpringManager.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: eebc1635655c1984b999d5430c8d3ce0
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/DanMachi/Scripts/SpringBone/SpringSphereCollider1.cs

@@ -0,0 +1,8 @@
+using UnityEngine;
+
+namespace Unity.Animations.SpringBones
+{
+    public class SpringSphereCollider : MonoBehaviour
+    {
+    }
+}

Assets/DanMachi/Scripts/SpringBone/SpringSphereCollider1.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: a181323294f10e14faef8a3238a3bf5f
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: