diff --git a/spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/PathConstraint.java b/spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/PathConstraint.java
index 5efba3ac7..31d6954d6 100644
--- a/spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/PathConstraint.java
+++ b/spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/PathConstraint.java
@@ -81,7 +81,7 @@ public class PathConstraint extends Constraint<PathConstraint, PathConstraintDat
 
 		PathConstraintPose p = applied;
 		float mixRotate = p.mixRotate, mixX = p.mixX, mixY = p.mixY;
-		if (mixRotate == 0 && mixX == 0 && mixY == 0) return;
+		if (mixRotate == 0 & mixX == 0 & mixY == 0) return;
 
 		PathConstraintData data = this.data;
 		boolean tangents = data.rotateMode == RotateMode.tangent, scale = data.rotateMode == RotateMode.chainScale;
diff --git a/spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/SkeletonJson.java b/spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/SkeletonJson.java
index 7c84ec9f4..50918804e 100644
--- a/spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/SkeletonJson.java
+++ b/spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/SkeletonJson.java
@@ -958,10 +958,10 @@ public class SkeletonJson extends SkeletonLoader {
 			var timeline = new TransformConstraintTimeline(timelineMap.size, timelineMap.size * 6,
 				skeletonData.constraints.indexOf(constraint, true));
 			float time = keyMap.getFloat("time", 0);
-			float mixRotate = keyMap.getFloat("mixRotate", 1);
-			float mixX = keyMap.getFloat("mixX", 1), mixY = keyMap.getFloat("mixY", mixX);
-			float mixScaleX = keyMap.getFloat("mixScaleX", 1), mixScaleY = keyMap.getFloat("mixScaleY", mixScaleX);
-			float mixShearY = keyMap.getFloat("mixShearY", 1);
+			float mixRotate = keyMap.getFloat("mixRotate", 0);
+			float mixX = keyMap.getFloat("mixX", 0), mixY = keyMap.getFloat("mixY", mixX);
+			float mixScaleX = keyMap.getFloat("mixScaleX", 0), mixScaleY = keyMap.getFloat("mixScaleY", mixScaleX);
+			float mixShearY = keyMap.getFloat("mixShearY", 0);
 			for (int frame = 0, bezier = 0;; frame++) {
 				timeline.setFrame(frame, time, mixRotate, mixX, mixY, mixScaleX, mixScaleY, mixShearY);
 				JsonValue nextMap = keyMap.next;
diff --git a/spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/Slider.java b/spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/Slider.java
index b31e918a8..1e37ee011 100644
--- a/spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/Slider.java
+++ b/spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/Slider.java
@@ -64,7 +64,7 @@ public class Slider extends Constraint<Slider, SliderData, SliderPose> {
 		Animation animation = data.animation;
 		if (bone != null) {
 			if (!bone.active) return;
-			if (data.local) bone.applied.modifyLocal(skeleton);
+			if (data.local) bone.applied.validateLocalTransform(skeleton);
 			p.time = (data.property.value(bone.applied, data.local, offsets) - data.property.offset) * data.scale;
 			if (data.loop)
 				p.time = animation.duration + (p.time % animation.duration);
@@ -72,12 +72,10 @@ public class Slider extends Constraint<Slider, SliderData, SliderPose> {
 				p.time = Math.max(0, p.time);
 		}
 
-		if (p.mix != 1) {
-			Bone[] bones = skeleton.bones.items;
-			int[] indices = animation.bones.items;
-			for (int i = 0, n = animation.bones.size; i < n; i++)
-				bones[indices[i]].applied.modifyLocal(skeleton);
-		}
+		Bone[] bones = skeleton.bones.items;
+		int[] indices = animation.bones.items;
+		for (int i = 0, n = animation.bones.size; i < n; i++)
+			bones[indices[i]].applied.modifyLocal(skeleton);
 
 		animation.apply(skeleton, p.time, p.time, data.loop, null, p.mix, data.additive ? MixBlend.add : MixBlend.replace,
 			MixDirection.in, true);
diff --git a/spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/TransformConstraint.java b/spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/TransformConstraint.java
index f14999040..e90e9764c 100644
--- a/spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/TransformConstraint.java
+++ b/spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/TransformConstraint.java
@@ -64,16 +64,15 @@ public class TransformConstraint extends Constraint<TransformConstraint, Transfo
 	/** Applies the constraint to the constrained bones. */
 	public void update (Skeleton skeleton, Physics physics) {
 		TransformConstraintPose p = applied;
-		if (p.mixRotate == 0 && p.mixX == 0 && p.mixY == 0 && p.mixScaleX == 0 && p.mixScaleY == 0 && p.mixShearY == 0) return;
+		if (p.mixRotate == 0 & p.mixX == 0 & p.mixY == 0 & p.mixScaleX == 0 & p.mixScaleY == 0 & p.mixShearY == 0) return;
 
 		TransformConstraintData data = this.data;
 		boolean localSource = data.localSource, localTarget = data.localTarget, additive = data.additive, clamp = data.clamp;
 		float[] offsets = data.offsets;
 		BonePose source = this.source.applied;
-		int update = skeleton.update;
-		if (localSource) source.modifyLocal(skeleton);
+		if (localSource) source.validateLocalTransform(skeleton);
 		FromProperty[] fromItems = data.properties.items;
-		int fn = data.properties.size;
+		int fn = data.properties.size, update = skeleton.update;
 		BonePose[] bones = this.bones.items;
 		for (int i = 0, n = this.bones.size; i < n; i++) {
 			BonePose bone = bones[i];