diff --git a/spine-c/spine-c/src/spine/SkeletonJson.c b/spine-c/spine-c/src/spine/SkeletonJson.c
index 349c83743..4b5be2fee 100644
--- a/spine-c/spine-c/src/spine/SkeletonJson.c
+++ b/spine-c/spine-c/src/spine/SkeletonJson.c
@@ -1140,6 +1140,7 @@ spSkeletonData *spSkeletonJson_readSkeletonData(spSkeletonJson *self, const char
 			data->offsetScaleY = Json_getFloat(constraintMap, "scaleY", 0);
 			data->offsetShearY = Json_getFloat(constraintMap, "shearY", 0);
 
+			data->mixRotate = Json_getFloat(constraintMap, "mixRotate", 1);
 			data->mixX = Json_getFloat(constraintMap, "mixX", 1);
 			data->mixY = Json_getFloat(constraintMap, "mixY", data->mixX);
 			data->mixScaleX = Json_getFloat(constraintMap, "mixScaleX", 1);
diff --git a/spine-unity/Assets/Spine/Runtime/spine-unity/SkeletonDataModifierAssets/BlendModeMaterials/SkeletonStraightAdditive.mat b/spine-unity/Assets/Spine/Runtime/spine-unity/SkeletonDataModifierAssets/BlendModeMaterials/SkeletonStraightAdditive.mat
index f40488ba7..42aa41d38 100644
--- a/spine-unity/Assets/Spine/Runtime/spine-unity/SkeletonDataModifierAssets/BlendModeMaterials/SkeletonStraightAdditive.mat
+++ b/spine-unity/Assets/Spine/Runtime/spine-unity/SkeletonDataModifierAssets/BlendModeMaterials/SkeletonStraightAdditive.mat
@@ -6,9 +6,9 @@ Material:
   m_ObjectHideFlags: 0
   m_PrefabParentObject: {fileID: 0}
   m_PrefabInternal: {fileID: 0}
-  m_Name: SkeletonPMAAdditive
+  m_Name: SkeletonStraightAdditive
   m_Shader: {fileID: 4800000, guid: 53efa1d97f5d9f74285d4330cda14e36, type: 3}
-  m_ShaderKeywords: 
+  m_ShaderKeywords: _STRAIGHT_ALPHA_INPUT
   m_LightmapFlags: 4
   m_EnableInstancingVariants: 0
   m_DoubleSidedGI: 0
@@ -29,7 +29,16 @@ Material:
     m_Floats:
     - <noninit>: 0
     - _Cutoff: 0.1
-    - _StraightAlphaInput: 0
+    - _OutlineMipLevel: 0
+    - _OutlineReferenceTexWidth: 1024
+    - _OutlineSmoothness: 1
+    - _OutlineWidth: 3
+    - _StencilComp: 8
+    - _StencilRef: 1
+    - _StraightAlphaInput: 1
+    - _ThresholdEnd: 0.25
+    - _Use8Neighbourhood: 1
     m_Colors:
     - <noninit>: {r: 0, g: 2.018574, b: 1e-45, a: 0.000007110106}
     - _Color: {r: 1, g: 1, b: 1, a: 1}
+    - _OutlineColor: {r: 1, g: 1, b: 0, a: 1}
diff --git a/spine-unity/Assets/Spine/Runtime/spine-unity/SkeletonDataModifierAssets/BlendModeMaterials/SkeletonStraightMultiply.mat b/spine-unity/Assets/Spine/Runtime/spine-unity/SkeletonDataModifierAssets/BlendModeMaterials/SkeletonStraightMultiply.mat
index 28c90c143..cf62057cc 100644
--- a/spine-unity/Assets/Spine/Runtime/spine-unity/SkeletonDataModifierAssets/BlendModeMaterials/SkeletonStraightMultiply.mat
+++ b/spine-unity/Assets/Spine/Runtime/spine-unity/SkeletonDataModifierAssets/BlendModeMaterials/SkeletonStraightMultiply.mat
@@ -6,38 +6,39 @@ Material:
   m_ObjectHideFlags: 0
   m_PrefabParentObject: {fileID: 0}
   m_PrefabInternal: {fileID: 0}
-  m_Name: SkeletonPMAMultiply
+  m_Name: SkeletonStraightMultiply
   m_Shader: {fileID: 4800000, guid: 8bdcdc7ee298e594a9c20c61d25c33b6, type: 3}
-  m_ShaderKeywords: 
+  m_ShaderKeywords: _STRAIGHT_ALPHA_INPUT
   m_LightmapFlags: 4
+  m_EnableInstancingVariants: 0
+  m_DoubleSidedGI: 0
   m_CustomRenderQueue: -1
   stringTagMap: {}
+  disabledShaderPasses: []
   m_SavedProperties:
-    serializedVersion: 2
+    serializedVersion: 3
     m_TexEnvs:
-    - first:
-        name: <noninit>
-      second:
+    - <noninit>:
         m_Texture: {fileID: 0}
         m_Scale: {x: 1, y: 1}
         m_Offset: {x: 0, y: 0}
-    - first:
-        name: _MainTex
-      second:
+    - _MainTex:
         m_Texture: {fileID: 0}
         m_Scale: {x: 1, y: 1}
         m_Offset: {x: 0, y: 0}
     m_Floats:
-    - first:
-        name: <noninit>
-      second: 0
-    - first:
-        name: _Cutoff
-      second: 0.1
+    - <noninit>: 0
+    - _Cutoff: 0.1
+    - _OutlineMipLevel: 0
+    - _OutlineReferenceTexWidth: 1024
+    - _OutlineSmoothness: 1
+    - _OutlineWidth: 3
+    - _StencilComp: 8
+    - _StencilRef: 1
+    - _StraightAlphaInput: 1
+    - _ThresholdEnd: 0.25
+    - _Use8Neighbourhood: 1
     m_Colors:
-    - first:
-        name: <noninit>
-      second: {r: 0, g: 2.018574, b: 1e-45, a: 0.000007110106}
-    - first:
-        name: _Color
-      second: {r: 1, g: 1, b: 1, a: 1}
+    - <noninit>: {r: 0, g: 2.018574, b: 1e-45, a: 0.000007110106}
+    - _Color: {r: 1, g: 1, b: 1, a: 1}
+    - _OutlineColor: {r: 1, g: 1, b: 0, a: 1}
diff --git a/spine-unity/Assets/Spine/Runtime/spine-unity/SkeletonDataModifierAssets/BlendModeMaterials/SkeletonStraightScreen.mat b/spine-unity/Assets/Spine/Runtime/spine-unity/SkeletonDataModifierAssets/BlendModeMaterials/SkeletonStraightScreen.mat
index 601f987ed..60200fdd7 100644
--- a/spine-unity/Assets/Spine/Runtime/spine-unity/SkeletonDataModifierAssets/BlendModeMaterials/SkeletonStraightScreen.mat
+++ b/spine-unity/Assets/Spine/Runtime/spine-unity/SkeletonDataModifierAssets/BlendModeMaterials/SkeletonStraightScreen.mat
@@ -6,38 +6,39 @@ Material:
   m_ObjectHideFlags: 0
   m_PrefabParentObject: {fileID: 0}
   m_PrefabInternal: {fileID: 0}
-  m_Name: SkeletonPMAScreen
+  m_Name: SkeletonStraightScreen
   m_Shader: {fileID: 4800000, guid: 4e8caa36c07aacf4ab270da00784e4d9, type: 3}
-  m_ShaderKeywords: 
+  m_ShaderKeywords: _STRAIGHT_ALPHA_INPUT
   m_LightmapFlags: 4
+  m_EnableInstancingVariants: 0
+  m_DoubleSidedGI: 0
   m_CustomRenderQueue: -1
   stringTagMap: {}
+  disabledShaderPasses: []
   m_SavedProperties:
-    serializedVersion: 2
+    serializedVersion: 3
     m_TexEnvs:
-    - first:
-        name: <noninit>
-      second:
+    - <noninit>:
         m_Texture: {fileID: 0}
         m_Scale: {x: 1, y: 1}
         m_Offset: {x: 0, y: 0}
-    - first:
-        name: _MainTex
-      second:
+    - _MainTex:
         m_Texture: {fileID: 0}
         m_Scale: {x: 1, y: 1}
         m_Offset: {x: 0, y: 0}
     m_Floats:
-    - first:
-        name: <noninit>
-      second: 0
-    - first:
-        name: _Cutoff
-      second: 0.1
+    - <noninit>: 0
+    - _Cutoff: 0.1
+    - _OutlineMipLevel: 0
+    - _OutlineReferenceTexWidth: 1024
+    - _OutlineSmoothness: 1
+    - _OutlineWidth: 3
+    - _StencilComp: 8
+    - _StencilRef: 1
+    - _StraightAlphaInput: 1
+    - _ThresholdEnd: 0.25
+    - _Use8Neighbourhood: 1
     m_Colors:
-    - first:
-        name: <noninit>
-      second: {r: 0, g: 2.018574, b: 1e-45, a: 0.000007121922}
-    - first:
-        name: _Color
-      second: {r: 1, g: 1, b: 1, a: 1}
+    - <noninit>: {r: 0, g: 2.018574, b: 1e-45, a: 0.000007121922}
+    - _Color: {r: 1, g: 1, b: 1, a: 1}
+    - _OutlineColor: {r: 1, g: 1, b: 0, a: 1}