diff --git a/spine-haxe/example/src/starlingExamples/VineExample.hx b/spine-haxe/example/src/starlingExamples/VineExample.hx
index 5178f69cb..41f1908ed 100644
--- a/spine-haxe/example/src/starlingExamples/VineExample.hx
+++ b/spine-haxe/example/src/starlingExamples/VineExample.hx
@@ -69,8 +69,7 @@ class VineExample extends Scene {
 	public function onTouch(e:TouchEvent) {
 		var touch = e.getTouch(this);
 		if (touch != null && touch.phase == TouchPhase.ENDED) {
-			SceneManager.getInstance().switchScene(new CelestialCircusExample());
-			// SceneManager.getInstance().switchScene(new SackExample());
+			SceneManager.getInstance().switchScene(new SackExample());
 		}
 	}
 }
diff --git a/spine-haxe/spine-haxe/spine/PhysicsConstraint.hx b/spine-haxe/spine-haxe/spine/PhysicsConstraint.hx
index 8fe350623..f6a0f7fc4 100644
--- a/spine-haxe/spine-haxe/spine/PhysicsConstraint.hx
+++ b/spine-haxe/spine-haxe/spine/PhysicsConstraint.hx
@@ -59,8 +59,8 @@ class PhysicsConstraint extends Constraint<PhysicsConstraint, PhysicsConstraintD
 	public var scaleOffset = 0.;
 	public var scaleLag = 0.;
 	public var scaleVelocity = 0.;
-	public var remaining:Float = 0;
-	public var lastTime:Float = 0;
+	public var remaining = 0.;
+	public var lastTime = 0.;
 
 	public function new(data: PhysicsConstraintData, skeleton: Skeleton) {
 		super(data, new PhysicsConstraintPose(), new PhysicsConstraintPose());
@@ -105,8 +105,8 @@ class PhysicsConstraint extends Constraint<PhysicsConstraint, PhysicsConstraintD
 	/** Rotates the physics constraint so next update(Physics) forces are applied as if the bone rotated around the
 	 * specified point in world space. */
 	public function rotate (x:Float, y:Float, degrees:Float):Void {
-		var r:Float = degrees * MathUtils.degRad, cos:Float = Math.cos(r), sin:Float = Math.sin(r);
-		var dx:Float = cx - x, dy:Float = cy - y;
+		var r = degrees * MathUtils.degRad, cos = Math.cos(r), sin = Math.sin(r);
+		var dx = cx - x, dy = cy - y;
 		translate(dx * cos - dy * sin - dx, dx * sin + dy * cos - dy);
 	}
 
diff --git a/spine-haxe/spine-haxe/spine/SkeletonJson.hx b/spine-haxe/spine-haxe/spine/SkeletonJson.hx
index ff6e94d41..5cc70d561 100644
--- a/spine-haxe/spine-haxe/spine/SkeletonJson.hx
+++ b/spine-haxe/spine-haxe/spine/SkeletonJson.hx
@@ -111,7 +111,7 @@ class SkeletonJson {
 			skeletonData.y = getFloat(skeletonMap, "y");
 			skeletonData.width = getFloat(skeletonMap, "width");
 			skeletonData.height = getFloat(skeletonMap, "height");
-			skeletonData.referenceScale = getFloat(skeletonMap, "referenceScale", 100);
+			skeletonData.referenceScale = getFloat(skeletonMap, "referenceScale", 100) * scale;
 			skeletonData.fps = getFloat(skeletonMap, "fps");
 			skeletonData.imagesPath = getString(skeletonMap, "images", "");
 			skeletonData.audioPath = getString(skeletonMap, "audio", "");
diff --git a/spine-haxe/spine-haxe/spine/animation/PhysicsConstraintMassTimeline.hx b/spine-haxe/spine-haxe/spine/animation/PhysicsConstraintMassTimeline.hx
index 853ca25dc..bd47350a6 100644
--- a/spine-haxe/spine-haxe/spine/animation/PhysicsConstraintMassTimeline.hx
+++ b/spine-haxe/spine-haxe/spine/animation/PhysicsConstraintMassTimeline.hx
@@ -36,11 +36,11 @@ class PhysicsConstraintMassTimeline extends PhysicsConstraintTimeline {
 	}
 
 	public function get (pose: PhysicsConstraintPose):Float {
-		return pose.massInverse;
+		return 1 / pose.massInverse;
 	}
 
 	public function set (pose: PhysicsConstraintPose, value:Float):Void {
-		pose.massInverse = value;
+		pose.massInverse = 1 / value;
 	}
 
 	public function global (constraint: PhysicsConstraintData):Bool {