diff --git a/spine-csharp/src/Skeleton.cs b/spine-csharp/src/Skeleton.cs
index d60758415..69ee5a368 100644
--- a/spine-csharp/src/Skeleton.cs
+++ b/spine-csharp/src/Skeleton.cs
@@ -540,7 +540,7 @@ namespace Spine {
 			return null;
 		}
 
-		/// <summary>Sets a skin by name (<see cref="SetSkin(Skin)"/>).</summary>
+		/// <summary>Sets a skin by name (see <see cref="SetSkin(Skin)"/>).</summary>
 		public void SetSkin (string skinName) {
 			Skin foundSkin = data.FindSkin(skinName);
 			if (foundSkin == null) throw new ArgumentException("Skin not found: " + skinName, "skinName");
diff --git a/spine-csharp/src/SkeletonJson.cs b/spine-csharp/src/SkeletonJson.cs
index beb2bea2f..9000ee913 100644
--- a/spine-csharp/src/SkeletonJson.cs
+++ b/spine-csharp/src/SkeletonJson.cs
@@ -1027,8 +1027,8 @@ namespace Spine {
 								} else if (timelineName == "sequence") {
 									SequenceTimeline timeline = new SequenceTimeline(frames, slot.index, attachment);
 									float lastDelay = 0;
-									for (int frame = 0; keyMap != null;
-										keyMapEnumerator.MoveNext(), keyMap = (Dictionary<string, Object>)keyMapEnumerator.Current, frame++) {
+									for (int frame = 0; keyMap != null; keyMap = keyMapEnumerator.MoveNext() ?
+										(Dictionary<string, Object>)keyMapEnumerator.Current : null, frame++) {
 
 										float delay = GetFloat(keyMap, "delay", lastDelay);
 										SequenceMode sequenceMode = (SequenceMode)Enum.Parse(typeof(SequenceMode),
diff --git a/spine-unity/Assets/Spine/Runtime/spine-unity/Shaders/BlendModes/Spine-Skeleton-PMA-Additive.shader b/spine-unity/Assets/Spine/Runtime/spine-unity/Shaders/BlendModes/Spine-Skeleton-PMA-Additive.shader
index 95f608a33..3e962ac2c 100644
--- a/spine-unity/Assets/Spine/Runtime/spine-unity/Shaders/BlendModes/Spine-Skeleton-PMA-Additive.shader
+++ b/spine-unity/Assets/Spine/Runtime/spine-unity/Shaders/BlendModes/Spine-Skeleton-PMA-Additive.shader
@@ -44,6 +44,9 @@ Shader "Spine/Blend Modes/Skeleton PMA Additive" {
 		Pass {
 			Name "Normal"
 			CGPROGRAM
+			#pragma vertex vert
+			#pragma fragment frag
+			#pragma shader_feature _ _STRAIGHT_ALPHA_INPUT
 			#include "../CGIncludes/Spine-BlendModes-NormalPass.cginc"
 			ENDCG
 		}
@@ -57,6 +60,10 @@ Shader "Spine/Blend Modes/Skeleton PMA Additive" {
 			ZTest LEqual
 
 			CGPROGRAM
+			#pragma vertex vert
+			#pragma fragment frag
+			#pragma multi_compile_shadowcaster
+			#pragma fragmentoption ARB_precision_hint_fastest
 			#include "../CGIncludes/Spine-BlendModes-ShadowCasterPass.cginc"
 			ENDCG
 		}
diff --git a/spine-unity/Assets/Spine/Runtime/spine-unity/Shaders/BlendModes/Spine-Skeleton-PMA-Multiply.shader b/spine-unity/Assets/Spine/Runtime/spine-unity/Shaders/BlendModes/Spine-Skeleton-PMA-Multiply.shader
index 0fa270294..7261ba339 100644
--- a/spine-unity/Assets/Spine/Runtime/spine-unity/Shaders/BlendModes/Spine-Skeleton-PMA-Multiply.shader
+++ b/spine-unity/Assets/Spine/Runtime/spine-unity/Shaders/BlendModes/Spine-Skeleton-PMA-Multiply.shader
@@ -44,6 +44,9 @@ Shader "Spine/Blend Modes/Skeleton PMA Multiply" {
 		Pass {
 			Name "Normal"
 			CGPROGRAM
+			#pragma vertex vert
+			#pragma fragment frag
+			#pragma shader_feature _ _STRAIGHT_ALPHA_INPUT
 			#include "../CGIncludes/Spine-BlendModes-NormalPass.cginc"
 			ENDCG
 		}
@@ -57,6 +60,10 @@ Shader "Spine/Blend Modes/Skeleton PMA Multiply" {
 			ZTest LEqual
 
 			CGPROGRAM
+			#pragma vertex vert
+			#pragma fragment frag
+			#pragma multi_compile_shadowcaster
+			#pragma fragmentoption ARB_precision_hint_fastest
 			#include "../CGIncludes/Spine-BlendModes-ShadowCasterPass.cginc"
 			ENDCG
 		}
diff --git a/spine-unity/Assets/Spine/Runtime/spine-unity/Shaders/BlendModes/Spine-Skeleton-PMA-Screen.shader b/spine-unity/Assets/Spine/Runtime/spine-unity/Shaders/BlendModes/Spine-Skeleton-PMA-Screen.shader
index 9ddb59854..ce9306480 100644
--- a/spine-unity/Assets/Spine/Runtime/spine-unity/Shaders/BlendModes/Spine-Skeleton-PMA-Screen.shader
+++ b/spine-unity/Assets/Spine/Runtime/spine-unity/Shaders/BlendModes/Spine-Skeleton-PMA-Screen.shader
@@ -44,6 +44,9 @@ Shader "Spine/Blend Modes/Skeleton PMA Screen" {
 		Pass {
 			Name "Normal"
 			CGPROGRAM
+			#pragma vertex vert
+			#pragma fragment frag
+			#pragma shader_feature _ _STRAIGHT_ALPHA_INPUT
 			#include "../CGIncludes/Spine-BlendModes-NormalPass.cginc"
 			ENDCG
 		}
@@ -57,6 +60,10 @@ Shader "Spine/Blend Modes/Skeleton PMA Screen" {
 			ZTest LEqual
 
 			CGPROGRAM
+			#pragma vertex vert
+			#pragma fragment frag
+			#pragma multi_compile_shadowcaster
+			#pragma fragmentoption ARB_precision_hint_fastest
 			#include "../CGIncludes/Spine-BlendModes-ShadowCasterPass.cginc"
 			ENDCG
 		}
diff --git a/spine-unity/Assets/Spine/Runtime/spine-unity/Shaders/CGIncludes/Spine-BlendModes-NormalPass.cginc b/spine-unity/Assets/Spine/Runtime/spine-unity/Shaders/CGIncludes/Spine-BlendModes-NormalPass.cginc
index 9f6f85b53..297b469f6 100644
--- a/spine-unity/Assets/Spine/Runtime/spine-unity/Shaders/CGIncludes/Spine-BlendModes-NormalPass.cginc
+++ b/spine-unity/Assets/Spine/Runtime/spine-unity/Shaders/CGIncludes/Spine-BlendModes-NormalPass.cginc
@@ -1,9 +1,6 @@
 #ifndef BLENDMODES_NORMAL_PASS_INCLUDED
 #define BLENDMODES_NORMAL_PASS_INCLUDED
 
-#pragma shader_feature _ _STRAIGHT_ALPHA_INPUT
-#pragma vertex vert
-#pragma fragment frag
 #include "UnityCG.cginc"
 #include "../CGIncludes/Spine-Common.cginc"
 uniform sampler2D _MainTex;
diff --git a/spine-unity/Assets/Spine/Runtime/spine-unity/Shaders/CGIncludes/Spine-BlendModes-ShadowCasterPass.cginc b/spine-unity/Assets/Spine/Runtime/spine-unity/Shaders/CGIncludes/Spine-BlendModes-ShadowCasterPass.cginc
index a6c22c458..4021511d6 100644
--- a/spine-unity/Assets/Spine/Runtime/spine-unity/Shaders/CGIncludes/Spine-BlendModes-ShadowCasterPass.cginc
+++ b/spine-unity/Assets/Spine/Runtime/spine-unity/Shaders/CGIncludes/Spine-BlendModes-ShadowCasterPass.cginc
@@ -1,10 +1,6 @@
 #ifndef BLENDMODES_SHADOWCASTER_PASS_INCLUDED
 #define BLENDMODES_SHADOWCASTER_PASS_INCLUDED
 
-#pragma vertex vert
-#pragma fragment frag
-#pragma multi_compile_shadowcaster
-#pragma fragmentoption ARB_precision_hint_fastest
 #include "UnityCG.cginc"
 struct v2f {
 	V2F_SHADOW_CASTER;