diff --git a/examples/sack/export/sack-pro.json b/examples/sack/export/sack-pro.json
index 86b619614..0b3cf7bf8 100644
--- a/examples/sack/export/sack-pro.json
+++ b/examples/sack/export/sack-pro.json
@@ -1,6 +1,6 @@
 {
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+	"hash": "210ocy+FNY8",
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@@ -236,474 +236,12 @@
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@@ -799,7 +337,7 @@
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@@ -923,7 +461,7 @@
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@@ -1022,7 +560,7 @@
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@@ -1133,7 +671,7 @@
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@@ -1277,7 +815,7 @@
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@@ -1383,7 +921,7 @@
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@@ -1556,7 +1094,7 @@
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@@ -1668,7 +1206,7 @@
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@@ -1906,7 +1444,7 @@
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@@ -2040,7 +1578,7 @@
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@@ -2072,7 +1610,7 @@
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@@ -2404,6 +1942,468 @@
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@@ -4632,7 +4632,7 @@
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@@ -4682,7 +4682,7 @@
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+						"curve": [ 0.6, -0.88, 0.633, -0.51 ]
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@@ -4785,7 +4785,7 @@
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+						"curve": [ 0.033, 40.45, 0.067, 157.46, 0.033, -6.38, 0.067, -35.83 ]
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@@ -4815,10 +4815,124 @@
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+						"curve": [ 0.6, -85.22, 0.633, -40.45, 0.6, 6.38, 0.633, 6.38 ]
 					},
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+			},
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+					},
+					{ "time": 0.6667, "x": -1.03, "y": -13.9 }
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diff --git a/examples/sack/export/sack-pro.skel b/examples/sack/export/sack-pro.skel
index 3ff65826d..56582c076 100644
Binary files a/examples/sack/export/sack-pro.skel and b/examples/sack/export/sack-pro.skel differ
diff --git a/examples/spineboy/export/spineboy-run.png b/examples/spineboy/export/spineboy-run.png
index 5968e9ea8..a819990c8 100644
Binary files a/examples/spineboy/export/spineboy-run.png and b/examples/spineboy/export/spineboy-run.png differ
diff --git a/spine-libgdx/spine-libgdx-tests/assets/sack/sack-pro.json b/spine-libgdx/spine-libgdx-tests/assets/sack/sack-pro.json
index 86b619614..0b3cf7bf8 100644
--- a/spine-libgdx/spine-libgdx-tests/assets/sack/sack-pro.json
+++ b/spine-libgdx/spine-libgdx-tests/assets/sack/sack-pro.json
@@ -1,6 +1,6 @@
 {
 "skeleton": {
-	"hash": "fEcHMEFOADA",
+	"hash": "210ocy+FNY8",
 	"spine": "4.2.61-beta",
 	"x": -265.35,
 	"y": -64.53,
@@ -236,474 +236,12 @@
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 ],
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-			"cape-front": {
-				"mass": [
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-		}
-	},
-	"FOA": {
+	"cape-follow-example": {
 		"bones": {
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+						"curve": [ 0.089, -1.56, 0.178, -4.68 ]
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@@ -799,7 +337,7 @@
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+						"curve": [ 0.089, -1.49, 0.178, 0 ]
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@@ -923,7 +461,7 @@
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+						"curve": [ 0.089, 0.999, 0.178, 1, 0.089, 1.001, 0.178, 1 ]
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@@ -1022,7 +560,7 @@
 			"sack2": {
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@@ -1133,7 +671,7 @@
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@@ -1277,7 +815,7 @@
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+						"curve": [ 0.089, 0.999, 0.178, 1, 0.089, 1.001, 0.178, 1 ]
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@@ -1383,7 +921,7 @@
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@@ -1556,7 +1094,7 @@
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@@ -1668,7 +1206,7 @@
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@@ -1906,7 +1444,7 @@
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@@ -2040,7 +1578,7 @@
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@@ -2072,7 +1610,7 @@
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@@ -2404,6 +1942,468 @@
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+	"fall-in": {
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+	},
 	"hello": {
 		"bones": {
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@@ -2484,13 +2484,13 @@
 					{
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@@ -2587,7 +2587,7 @@
 				],
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@@ -2682,7 +2682,7 @@
 			"sack2": {
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+						"curve": [ 0.033, -4.64, 0.067, -11.27 ]
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@@ -2797,7 +2797,7 @@
 				],
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@@ -2945,7 +2945,7 @@
 				],
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+						"curve": [ 0.033, 1, 0.067, 1, 0.033, 0.988, 0.067, 0.971 ]
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@@ -2989,7 +2989,7 @@
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@@ -3131,7 +3131,7 @@
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@@ -3265,7 +3265,7 @@
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@@ -3421,7 +3421,7 @@
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@@ -3547,7 +3547,7 @@
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@@ -3675,7 +3675,7 @@
 			"corner-bottom-back-ear": {
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+						"curve": [ 0.033, 2.85, 0.067, 8.13 ]
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@@ -3808,7 +3808,7 @@
 				],
 				"translate": [
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+						"curve": [ 0.033, -1.55, 0.067, -4.66, 0.033, -1.37, 0.067, -4.12 ]
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@@ -3930,7 +3930,7 @@
 			"corner-top-back-ear": {
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+						"curve": [ 0.033, 4.1, 0.067, 12.29 ]
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@@ -3987,7 +3987,7 @@
 			"corner-top-front": {
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+						"curve": [ 0.033, 7.98, 0.067, 19.39, 0.033, -7.84, 0.067, -19.04 ]
 					},
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@@ -4086,7 +4086,7 @@
 			"belly": {
 				"translate": [
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+						"curve": [ 0.033, 21.54, 0.067, 52.04, 0.033, -46.51, 0.067, -139.54 ]
 					},
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@@ -4271,12 +4271,12 @@
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+						"curve": [ 0.039, 8.39, 0.067, 26.17 ]
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-						"value": 27.51,
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+						"value": 41.63,
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@@ -4296,7 +4296,7 @@
 					{
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+						"curve": [ 0.6, -44.38, 0.646, -19.93 ]
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@@ -4333,7 +4333,7 @@
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+						"curve": [ 0.267, -2.11, 0.3, 0 ]
 					},
 					{ "time": 0.3333 }
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@@ -4405,7 +4405,7 @@
 			"sack": {
 				"rotate": [
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+						"curve": [ 0.022, 0.24, 0.045, 0.47 ]
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@@ -4429,7 +4429,7 @@
 					{
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+						"curve": [ 0.578, -1.56, 0.622, -0.48 ]
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@@ -4491,7 +4491,7 @@
 					{
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@@ -4500,7 +4500,7 @@
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+						"curve": [ 0.078, 4.32, 0.156, -8.58 ]
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@@ -4520,7 +4520,7 @@
 					{
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+						"curve": [ 0.6, 5.48, 0.633, 5.65 ]
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@@ -4536,7 +4536,7 @@
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+						"curve": [ 0.267, -13.98, 0.3, 0 ]
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@@ -4552,7 +4552,7 @@
 					{
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+						"curve": [ 0.267, -3.03, 0.3, 0 ]
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@@ -4613,9 +4613,9 @@
 					{
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+						"curve": [ 0.6, -17.79, 0.633, -37.73 ]
 					},
-					{ "time": 0.6667, "value": -38 }
+					{ "time": 0.6667, "value": -37.73 }
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@@ -4632,7 +4632,7 @@
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-						"curve": [ 0.6, 4.41, 0.633, 0, 0.6, 1.05, 0.633, 0 ]
+						"curve": [ 0.6, 4.41, 0.633, 2.57, 0.6, 1.05, 0.633, 0.61 ]
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@@ -4682,7 +4682,7 @@
 					{
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+						"curve": [ 0.6, -0.88, 0.633, -0.51 ]
 					},
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 				]
@@ -4785,7 +4785,7 @@
 			"belly": {
 				"translate": [
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+						"curve": [ 0.033, 40.45, 0.067, 157.46, 0.033, -6.38, 0.067, -35.83 ]
 					},
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@@ -4815,10 +4815,124 @@
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+						"curve": [ 0.6, -85.22, 0.633, -40.45, 0.6, 6.38, 0.633, 6.38 ]
 					},
 					{ "time": 0.6667 }
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+			},
+			"corner-top-back": {
+				"translate": [
+					{
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+						"y": -13.9,
+						"curve": [ 0.111, -1.03, 0.222, -14.12, 0.111, -13.9, 0.222, 28.4 ]
+					},
+					{
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+						"x": -14.12,
+						"y": 28.4,
+						"curve": [ 0.444, -14.12, 0.556, -1.03, 0.444, 28.4, 0.556, -13.9 ]
+					},
+					{ "time": 0.6667, "x": -1.03, "y": -13.9 }
+				]
+			}
+		},
+		"physics": {
+			"bone": {
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+					{ "time": 0.1667, "value": -12.6 },
+					{ "time": 0.3333, "value": -27.4 },
+					{ "time": 0.6667, "value": -18.9 }
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+					{ "time": 0.6667, "value": -18.9 }
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+					{ "time": 0.6667, "value": -18.9 }
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+					{ "time": 0.6667, "value": -18.9 }
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+					{ "time": 0.6667, "value": -18.9 }
+				]
 			}
 		}
 	}
diff --git a/spine-libgdx/spine-libgdx-tests/assets/sack/sack-pro.skel b/spine-libgdx/spine-libgdx-tests/assets/sack/sack-pro.skel
index 3ff65826d..56582c076 100644
Binary files a/spine-libgdx/spine-libgdx-tests/assets/sack/sack-pro.skel and b/spine-libgdx/spine-libgdx-tests/assets/sack/sack-pro.skel differ
diff --git a/spine-sfml/cpp/data/sack-pro.json b/spine-sfml/cpp/data/sack-pro.json
index 86b619614..0b3cf7bf8 100644
--- a/spine-sfml/cpp/data/sack-pro.json
+++ b/spine-sfml/cpp/data/sack-pro.json
@@ -1,6 +1,6 @@
 {
 "skeleton": {
-	"hash": "fEcHMEFOADA",
+	"hash": "210ocy+FNY8",
 	"spine": "4.2.61-beta",
 	"x": -265.35,
 	"y": -64.53,
@@ -236,474 +236,12 @@
 	}
 ],
 "animations": {
-	"fall-in": {
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-			"root": {
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-					{ "y": 2937.64 },
-					{ "time": 0.3333 }
-				]
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-					{ "time": 0.4333 }
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+					},
+					{ "time": 1.0333 }
+				]
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+		},
+		"physics": {
+			"belly": {
+				"mass": [
+					{ "value": 0.32 }
+				]
+			},
+			"bone": {
+				"damping": [
+					{ "value": 0.7374 }
+				],
+				"mass": [
+					{ "value": 0.43 }
+				]
+			},
+			"bone2": {
+				"damping": [
+					{ "value": 0.7374 }
+				],
+				"mass": [
+					{ "value": 0.43 }
+				]
+			},
+			"bone2b": {
+				"damping": [
+					{ "value": 0.7374 }
+				],
+				"mass": [
+					{ "value": 0.43 }
+				]
+			},
+			"bone2c": {
+				"damping": [
+					{ "value": 0.7374 }
+				],
+				"mass": [
+					{ "value": 0.43 }
+				]
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+			"bone2d": {
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+					{ "value": 0.7374 }
+				],
+				"mass": [
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+				]
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+			"bone3": {
+				"damping": [
+					{ "value": 0.7374 }
+				],
+				"mass": [
+					{ "value": 0.43 }
+				]
+			},
+			"bone3b": {
+				"damping": [
+					{ "value": 0.7374 }
+				],
+				"mass": [
+					{ "value": 0.43 }
+				]
+			},
+			"bone3c": {
+				"damping": [
+					{ "value": 0.7374 }
+				],
+				"mass": [
+					{ "value": 0.43 }
+				]
+			},
+			"bone3d": {
+				"damping": [
+					{ "value": 0.7374 }
+				],
+				"mass": [
+					{ "value": 0.43 }
+				]
+			},
+			"bone4": {
+				"damping": [
+					{ "value": 0.7374 }
+				],
+				"mass": [
+					{ "value": 0.43 }
+				]
+			},
+			"bone5": {
+				"damping": [
+					{ "value": 0.7374 }
+				],
+				"mass": [
+					{ "value": 0.43 }
+				]
+			},
+			"bone6": {
+				"damping": [
+					{ "value": 0.7374 }
+				],
+				"mass": [
+					{ "value": 0.43 }
+				]
+			},
+			"cape-front": {
+				"mass": [
+					{ "value": 0.35 }
+				]
+			}
+		}
+	},
 	"hello": {
 		"bones": {
 			"sack": {
@@ -2484,13 +2484,13 @@
 					{
 						"time": 2.7,
 						"value": -17.44,
-						"curve": [ 2.756, -17.44, 2.811, 9.83 ]
+						"curve": [ 2.756, -17.44, 2.811, 0.74 ]
 					},
 					{ "time": 2.8667, "value": 9.83 }
 				],
 				"translatex": [
 					{
-						"curve": [ 0.033, 0, 0.067, 1.29 ]
+						"curve": [ 0.033, 0.47, 0.067, 1.29 ]
 					},
 					{
 						"time": 0.1,
@@ -2587,7 +2587,7 @@
 				],
 				"translatey": [
 					{
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+						"curve": [ 0.033, -2.61, 0.067, -7.09 ]
 					},
 					{
 						"time": 0.1,
@@ -2682,7 +2682,7 @@
 			"sack2": {
 				"rotate": [
 					{
-						"curve": [ 0.033, 0, 0.067, -11.27 ]
+						"curve": [ 0.033, -4.64, 0.067, -11.27 ]
 					},
 					{
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@@ -2797,7 +2797,7 @@
 				],
 				"translate": [
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-						"curve": [ 0.033, 0, 0.067, -48.28, 0.033, 0, 0.067, -10.28 ]
+						"curve": [ 0.033, -19.88, 0.067, -48.28, 0.033, -4.23, 0.067, -10.28 ]
 					},
 					{
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@@ -2945,7 +2945,7 @@
 				],
 				"scale": [
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-						"curve": [ 0.033, 1, 0.067, 1, 0.033, 1, 0.067, 0.971 ]
+						"curve": [ 0.033, 1, 0.067, 1, 0.033, 0.988, 0.067, 0.971 ]
 					},
 					{
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@@ -2989,7 +2989,7 @@
 			"corner-bottom-front": {
 				"translatex": [
 					{
-						"curve": [ 0.033, 0, 0.067, 3.56 ]
+						"curve": [ 0.033, 1.44, 0.067, 3.56 ]
 					},
 					{
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@@ -3131,7 +3131,7 @@
 				],
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+						"curve": [ 0.033, -0.36, 0.067, -0.83 ]
 					},
 					{
 						"time": 0.1,
@@ -3265,7 +3265,7 @@
 			"corner-bottom-front-ear": {
 				"rotate": [
 					{
-						"curve": [ 0.033, 0, 0.067, 2.53 ]
+						"curve": [ 0.033, 0.84, 0.067, 2.53 ]
 					},
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@@ -3421,7 +3421,7 @@
 				],
 				"translatex": [
 					{
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+						"curve": [ 0.033, 2.38, 0.067, 6.44 ]
 					},
 					{
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@@ -3547,7 +3547,7 @@
 				],
 				"translatey": [
 					{
-						"curve": [ 0.033, 0, 0.067, 0.77 ]
+						"curve": [ 0.033, 0.39, 0.067, 0.77 ]
 					},
 					{
 						"time": 0.1,
@@ -3675,7 +3675,7 @@
 			"corner-bottom-back-ear": {
 				"rotate": [
 					{
-						"curve": [ 0.033, 0, 0.067, 8.13 ]
+						"curve": [ 0.033, 2.85, 0.067, 8.13 ]
 					},
 					{
 						"time": 0.1,
@@ -3808,7 +3808,7 @@
 				],
 				"translate": [
 					{
-						"curve": [ 0.033, 0, 0.067, -4.66, 0.033, 0, 0.067, -4.12 ]
+						"curve": [ 0.033, -1.55, 0.067, -4.66, 0.033, -1.37, 0.067, -4.12 ]
 					},
 					{
 						"time": 0.1,
@@ -3930,7 +3930,7 @@
 			"corner-top-back-ear": {
 				"rotate": [
 					{
-						"curve": [ 0.033, 0, 0.067, 12.29 ]
+						"curve": [ 0.033, 4.1, 0.067, 12.29 ]
 					},
 					{
 						"time": 0.1,
@@ -3987,7 +3987,7 @@
 			"corner-top-front": {
 				"translate": [
 					{
-						"curve": [ 0.033, 0, 0.067, 19.39, 0.033, 0, 0.067, -19.04 ]
+						"curve": [ 0.033, 7.98, 0.067, 19.39, 0.033, -7.84, 0.067, -19.04 ]
 					},
 					{
 						"time": 0.1,
@@ -4086,7 +4086,7 @@
 			"belly": {
 				"translate": [
 					{
-						"curve": [ 0.033, 0, 0.067, 52.04, 0.033, 0, 0.067, -139.54 ]
+						"curve": [ 0.033, 21.54, 0.067, 52.04, 0.033, -46.51, 0.067, -139.54 ]
 					},
 					{
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@@ -4271,12 +4271,12 @@
 				"translatex": [
 					{
 						"value": -10.1,
-						"curve": [ 0.045, 2.3, 0.067, 12.05 ]
+						"curve": [ 0.039, 8.39, 0.067, 26.17 ]
 					},
 					{
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-						"value": 27.51,
-						"curve": [ 0.144, 48.13, 0.189, 98.12 ]
+						"value": 41.63,
+						"curve": [ 0.144, 62.25, 0.189, 98.12 ]
 					},
 					{
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@@ -4296,7 +4296,7 @@
 					{
 						"time": 0.5667,
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-						"curve": [ 0.6, -44.38, 0.629, -16.99 ]
+						"curve": [ 0.6, -44.38, 0.646, -19.93 ]
 					},
 					{ "time": 0.6667, "value": -10.1 }
 				],
@@ -4333,7 +4333,7 @@
 					{
 						"time": 0.2333,
 						"value": -2.11,
-						"curve": [ 0.267, -2.11, 0.3, -0.7 ]
+						"curve": [ 0.267, -2.11, 0.3, 0 ]
 					},
 					{ "time": 0.3333 }
 				],
@@ -4405,7 +4405,7 @@
 			"sack": {
 				"rotate": [
 					{
-						"curve": [ 0.022, 0, 0.045, 0.47 ]
+						"curve": [ 0.022, 0.24, 0.045, 0.47 ]
 					},
 					{
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@@ -4429,7 +4429,7 @@
 					{
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-						"curve": [ 0.578, -1.56, 0.614, -0.78 ]
+						"curve": [ 0.578, -1.56, 0.622, -0.48 ]
 					},
 					{ "time": 0.6667 }
 				],
@@ -4491,7 +4491,7 @@
 					{
 						"time": 0.5667,
 						"value": 51.48,
-						"curve": [ 0.6, 51.48, 0.652, 40.99 ]
+						"curve": [ 0.6, 51.48, 0.633, 48.02 ]
 					},
 					{ "time": 0.6667, "value": 27.91 }
 				]
@@ -4500,7 +4500,7 @@
 				"rotate": [
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-						"curve": [ 0.078, 5.25, 0.156, -8.58 ]
+						"curve": [ 0.078, 4.32, 0.156, -8.58 ]
 					},
 					{
 						"time": 0.2333,
@@ -4520,7 +4520,7 @@
 					{
 						"time": 0.5667,
 						"value": 5.65,
-						"curve": [ 0.6, 5.48, 0.633, 5.25 ]
+						"curve": [ 0.6, 5.48, 0.633, 5.65 ]
 					},
 					{ "time": 0.6667, "value": 5.25 }
 				],
@@ -4536,7 +4536,7 @@
 					{
 						"time": 0.2333,
 						"value": -20.97,
-						"curve": [ 0.267, -13.98, 0.3, -6.99 ]
+						"curve": [ 0.267, -13.98, 0.3, 0 ]
 					},
 					{ "time": 0.3333 }
 				],
@@ -4552,7 +4552,7 @@
 					{
 						"time": 0.2333,
 						"value": -4.54,
-						"curve": [ 0.267, -3.03, 0.3, -1.51 ]
+						"curve": [ 0.267, -3.03, 0.3, 0 ]
 					},
 					{ "time": 0.3333 }
 				],
@@ -4613,9 +4613,9 @@
 					{
 						"time": 0.5667,
 						"value": -17.79,
-						"curve": [ 0.6, -17.79, 0.633, -38 ]
+						"curve": [ 0.6, -17.79, 0.633, -37.73 ]
 					},
-					{ "time": 0.6667, "value": -38 }
+					{ "time": 0.6667, "value": -37.73 }
 				],
 				"translate": [
 					{
@@ -4632,7 +4632,7 @@
 						"time": 0.5667,
 						"x": 7.72,
 						"y": 1.84,
-						"curve": [ 0.6, 4.41, 0.633, 0, 0.6, 1.05, 0.633, 0 ]
+						"curve": [ 0.6, 4.41, 0.633, 2.57, 0.6, 1.05, 0.633, 0.61 ]
 					},
 					{ "time": 0.6667 }
 				]
@@ -4682,7 +4682,7 @@
 					{
 						"time": 0.5667,
 						"value": -1.54,
-						"curve": [ 0.6, -0.88, 0.633, 0 ]
+						"curve": [ 0.6, -0.88, 0.633, -0.51 ]
 					},
 					{ "time": 0.6667 }
 				]
@@ -4785,7 +4785,7 @@
 			"belly": {
 				"translate": [
 					{
-						"curve": [ 0.033, 0, 0.067, 157.46, 0.033, 0, 0.067, -35.83 ]
+						"curve": [ 0.033, 40.45, 0.067, 157.46, 0.033, -6.38, 0.067, -35.83 ]
 					},
 					{
 						"time": 0.1,
@@ -4815,10 +4815,124 @@
 						"time": 0.5667,
 						"x": -85.22,
 						"y": 6.38,
-						"curve": [ 0.6, -85.22, 0.633, 0, 0.6, 6.38, 0.633, 0 ]
+						"curve": [ 0.6, -85.22, 0.633, -40.45, 0.6, 6.38, 0.633, 6.38 ]
 					},
 					{ "time": 0.6667 }
 				]
+			},
+			"corner-top-back": {
+				"translate": [
+					{
+						"x": -1.03,
+						"y": -13.9,
+						"curve": [ 0.111, -1.03, 0.222, -14.12, 0.111, -13.9, 0.222, 28.4 ]
+					},
+					{
+						"time": 0.3333,
+						"x": -14.12,
+						"y": 28.4,
+						"curve": [ 0.444, -14.12, 0.556, -1.03, 0.444, 28.4, 0.556, -13.9 ]
+					},
+					{ "time": 0.6667, "x": -1.03, "y": -13.9 }
+				]
+			}
+		},
+		"physics": {
+			"bone": {
+				"wind": [
+					{ "value": -18.9 },
+					{ "time": 0.1667, "value": -12.6 },
+					{ "time": 0.3333, "value": -27.4 },
+					{ "time": 0.6667, "value": -18.9 }
+				]
+			},
+			"bone2": {
+				"wind": [
+					{ "value": -18.9 },
+					{ "time": 0.1667, "value": -12.6 },
+					{ "time": 0.3333, "value": -27.4 },
+					{ "time": 0.6667, "value": -18.9 }
+				]
+			},
+			"bone2b": {
+				"wind": [
+					{ "value": -18.9 },
+					{ "time": 0.1667, "value": -12.6 },
+					{ "time": 0.3333, "value": -27.4 },
+					{ "time": 0.6667, "value": -18.9 }
+				]
+			},
+			"bone2c": {
+				"wind": [
+					{ "value": -18.9 },
+					{ "time": 0.1667, "value": -12.6 },
+					{ "time": 0.3333, "value": -27.4 },
+					{ "time": 0.6667, "value": -18.9 }
+				]
+			},
+			"bone2d": {
+				"wind": [
+					{ "value": -18.9 },
+					{ "time": 0.1667, "value": -12.6 },
+					{ "time": 0.3333, "value": -27.4 },
+					{ "time": 0.6667, "value": -18.9 }
+				]
+			},
+			"bone3": {
+				"wind": [
+					{ "value": -18.9 },
+					{ "time": 0.1667, "value": -12.6 },
+					{ "time": 0.3333, "value": -27.4 },
+					{ "time": 0.6667, "value": -18.9 }
+				]
+			},
+			"bone3b": {
+				"wind": [
+					{ "value": -18.9 },
+					{ "time": 0.1667, "value": -12.6 },
+					{ "time": 0.3333, "value": -27.4 },
+					{ "time": 0.6667, "value": -18.9 }
+				]
+			},
+			"bone3c": {
+				"wind": [
+					{ "value": -18.9 },
+					{ "time": 0.1667, "value": -12.6 },
+					{ "time": 0.3333, "value": -27.4 },
+					{ "time": 0.6667, "value": -18.9 }
+				]
+			},
+			"bone3d": {
+				"wind": [
+					{ "value": -18.9 },
+					{ "time": 0.1667, "value": -12.6 },
+					{ "time": 0.3333, "value": -27.4 },
+					{ "time": 0.6667, "value": -18.9 }
+				]
+			},
+			"bone4": {
+				"wind": [
+					{ "value": -18.9 },
+					{ "time": 0.1667, "value": -12.6 },
+					{ "time": 0.3333, "value": -27.4 },
+					{ "time": 0.6667, "value": -18.9 }
+				]
+			},
+			"bone5": {
+				"wind": [
+					{ "value": -18.9 },
+					{ "time": 0.1667, "value": -12.6 },
+					{ "time": 0.3333, "value": -27.4 },
+					{ "time": 0.6667, "value": -18.9 }
+				]
+			},
+			"bone6": {
+				"wind": [
+					{ "value": -18.9 },
+					{ "time": 0.1667, "value": -12.6 },
+					{ "time": 0.3333, "value": -27.4 },
+					{ "time": 0.6667, "value": -18.9 }
+				]
 			}
 		}
 	}
diff --git a/spine-sfml/cpp/data/sack-pro.skel b/spine-sfml/cpp/data/sack-pro.skel
index 3ff65826d..56582c076 100644
Binary files a/spine-sfml/cpp/data/sack-pro.skel and b/spine-sfml/cpp/data/sack-pro.skel differ
diff --git a/spine-ts/spine-pixi/example/assets/sack-pro.json b/spine-ts/spine-pixi/example/assets/sack-pro.json
index 86b619614..0b3cf7bf8 100644
--- a/spine-ts/spine-pixi/example/assets/sack-pro.json
+++ b/spine-ts/spine-pixi/example/assets/sack-pro.json
@@ -1,6 +1,6 @@
 {
 "skeleton": {
-	"hash": "fEcHMEFOADA",
+	"hash": "210ocy+FNY8",
 	"spine": "4.2.61-beta",
 	"x": -265.35,
 	"y": -64.53,
@@ -236,474 +236,12 @@
 	}
 ],
 "animations": {
-	"fall-in": {
-		"bones": {
-			"root": {
-				"translate": [
-					{ "y": 2937.64 },
-					{ "time": 0.3333 }
-				]
-			},
-			"sack": {
-				"scale": [
-					{
-						"curve": [ 0.111, 1, 0.222, 1, 0.111, 1, 0.222, 1.142 ]
-					},
-					{
-						"time": 0.3333,
-						"y": 1.142,
-						"curve": [ 0.367, 1, 0.4, 1, 0.367, 1.142, 0.4, 1.047 ]
-					},
-					{ "time": 0.4333 }
-				]
-			},
-			"sack2": {
-				"rotate": [
-					{
-						"time": 0.3,
-						"curve": [ 0.311, 1.92, 0.322, 5.76 ]
-					},
-					{
-						"time": 0.3333,
-						"value": 5.76,
-						"curve": [ 0.367, 5.76, 0.4, -16.91 ]
-					},
-					{
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-						"value": -16.91,
-						"curve": [ 0.489, -16.91, 0.544, -7.35 ]
-					},
-					{
-						"time": 0.6,
-						"value": -5.05,
-						"curve": [ 0.644, -3.21, 0.689, -3.65 ]
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+				"translate": [
+					{
+						"x": -1.03,
+						"y": -13.9,
+						"curve": [ 0.111, -1.03, 0.222, -14.12, 0.111, -13.9, 0.222, 28.4 ]
+					},
+					{
+						"time": 0.3333,
+						"x": -14.12,
+						"y": 28.4,
+						"curve": [ 0.444, -14.12, 0.556, -1.03, 0.444, 28.4, 0.556, -13.9 ]
+					},
+					{ "time": 0.6667, "x": -1.03, "y": -13.9 }
+				]
+			}
+		},
+		"physics": {
+			"bone": {
+				"wind": [
+					{ "value": -18.9 },
+					{ "time": 0.1667, "value": -12.6 },
+					{ "time": 0.3333, "value": -27.4 },
+					{ "time": 0.6667, "value": -18.9 }
+				]
+			},
+			"bone2": {
+				"wind": [
+					{ "value": -18.9 },
+					{ "time": 0.1667, "value": -12.6 },
+					{ "time": 0.3333, "value": -27.4 },
+					{ "time": 0.6667, "value": -18.9 }
+				]
+			},
+			"bone2b": {
+				"wind": [
+					{ "value": -18.9 },
+					{ "time": 0.1667, "value": -12.6 },
+					{ "time": 0.3333, "value": -27.4 },
+					{ "time": 0.6667, "value": -18.9 }
+				]
+			},
+			"bone2c": {
+				"wind": [
+					{ "value": -18.9 },
+					{ "time": 0.1667, "value": -12.6 },
+					{ "time": 0.3333, "value": -27.4 },
+					{ "time": 0.6667, "value": -18.9 }
+				]
+			},
+			"bone2d": {
+				"wind": [
+					{ "value": -18.9 },
+					{ "time": 0.1667, "value": -12.6 },
+					{ "time": 0.3333, "value": -27.4 },
+					{ "time": 0.6667, "value": -18.9 }
+				]
+			},
+			"bone3": {
+				"wind": [
+					{ "value": -18.9 },
+					{ "time": 0.1667, "value": -12.6 },
+					{ "time": 0.3333, "value": -27.4 },
+					{ "time": 0.6667, "value": -18.9 }
+				]
+			},
+			"bone3b": {
+				"wind": [
+					{ "value": -18.9 },
+					{ "time": 0.1667, "value": -12.6 },
+					{ "time": 0.3333, "value": -27.4 },
+					{ "time": 0.6667, "value": -18.9 }
+				]
+			},
+			"bone3c": {
+				"wind": [
+					{ "value": -18.9 },
+					{ "time": 0.1667, "value": -12.6 },
+					{ "time": 0.3333, "value": -27.4 },
+					{ "time": 0.6667, "value": -18.9 }
+				]
+			},
+			"bone3d": {
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+					{ "value": -18.9 },
+					{ "time": 0.1667, "value": -12.6 },
+					{ "time": 0.3333, "value": -27.4 },
+					{ "time": 0.6667, "value": -18.9 }
+				]
+			},
+			"bone4": {
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+					{ "value": -18.9 },
+					{ "time": 0.1667, "value": -12.6 },
+					{ "time": 0.3333, "value": -27.4 },
+					{ "time": 0.6667, "value": -18.9 }
+				]
+			},
+			"bone5": {
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+					{ "value": -18.9 },
+					{ "time": 0.1667, "value": -12.6 },
+					{ "time": 0.3333, "value": -27.4 },
+					{ "time": 0.6667, "value": -18.9 }
+				]
+			},
+			"bone6": {
+				"wind": [
+					{ "value": -18.9 },
+					{ "time": 0.1667, "value": -12.6 },
+					{ "time": 0.3333, "value": -27.4 },
+					{ "time": 0.6667, "value": -18.9 }
+				]
 			}
 		}
 	}
diff --git a/spine-ts/spine-pixi/example/assets/sack-pro.skel b/spine-ts/spine-pixi/example/assets/sack-pro.skel
index 3ff65826d..56582c076 100644
Binary files a/spine-ts/spine-pixi/example/assets/sack-pro.skel and b/spine-ts/spine-pixi/example/assets/sack-pro.skel differ
diff --git a/spine-ts/spine-webgl/example/assets/sack-pro.json b/spine-ts/spine-webgl/example/assets/sack-pro.json
index 86b619614..0b3cf7bf8 100644
--- a/spine-ts/spine-webgl/example/assets/sack-pro.json
+++ b/spine-ts/spine-webgl/example/assets/sack-pro.json
@@ -1,6 +1,6 @@
 {
 "skeleton": {
-	"hash": "fEcHMEFOADA",
+	"hash": "210ocy+FNY8",
 	"spine": "4.2.61-beta",
 	"x": -265.35,
 	"y": -64.53,
@@ -236,474 +236,12 @@
 	}
 ],
 "animations": {
-	"fall-in": {
-		"bones": {
-			"root": {
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-					{ "y": 2937.64 },
-					{ "time": 0.3333 }
-				]
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-						"curve": [ 0.367, 1, 0.4, 1, 0.367, 1.142, 0.4, 1.047 ]
-					},
-					{ "time": 0.4333 }
-				]
-			},
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-					},
-					{ "time": 1.1 }
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-				],
-				"mass": [
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-			},
-			"bone4": {
-				"damping": [
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-				"mass": [
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-			"bone5": {
-				"damping": [
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-				"mass": [
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-			},
-			"bone6": {
-				"damping": [
-					{ "value": 0.7374 }
-				],
-				"mass": [
-					{ "value": 0.43 }
-				]
-			},
-			"cape-front": {
-				"mass": [
-					{ "value": 0.35 }
-				]
-			}
-		}
-	},
-	"FOA": {
+	"cape-follow-example": {
 		"bones": {
 			"sack": {
 				"rotate": [
 					{
-						"curve": [ 0.089, 0, 0.178, -4.68 ]
+						"curve": [ 0.089, -1.56, 0.178, -4.68 ]
 					},
 					{
 						"time": 0.2667,
@@ -799,7 +337,7 @@
 				],
 				"translatex": [
 					{
-						"curve": [ 0.089, 0, 0.178, 0 ]
+						"curve": [ 0.089, -1.49, 0.178, 0 ]
 					},
 					{
 						"time": 0.2667,
@@ -923,7 +461,7 @@
 				],
 				"scale": [
 					{
-						"curve": [ 0.089, 1, 0.178, 1, 0.089, 1, 0.178, 1 ]
+						"curve": [ 0.089, 0.999, 0.178, 1, 0.089, 1.001, 0.178, 1 ]
 					},
 					{
 						"time": 0.2667,
@@ -1022,7 +560,7 @@
 			"sack2": {
 				"rotate": [
 					{
-						"curve": [ 0.089, 0, 0.178, 7.03 ]
+						"curve": [ 0.089, 2.34, 0.178, 7.03 ]
 					},
 					{
 						"time": 0.2667,
@@ -1133,7 +671,7 @@
 				],
 				"translate": [
 					{
-						"curve": [ 0.089, 0, 0.178, 2.62, 0.089, 0, 0.178, 7.18 ]
+						"curve": [ 0.089, 0.87, 0.178, 2.62, 0.089, 2.39, 0.178, 7.18 ]
 					},
 					{
 						"time": 0.2667,
@@ -1277,7 +815,7 @@
 				],
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@@ -2682,7 +2682,7 @@
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@@ -3987,7 +3987,7 @@
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@@ -4086,7 +4086,7 @@
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@@ -4405,7 +4405,7 @@
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@@ -4520,7 +4520,7 @@
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@@ -4552,7 +4552,7 @@
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@@ -4613,9 +4613,9 @@
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+					{ "time": 0.6667, "value": -37.73 }
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@@ -4632,7 +4632,7 @@
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@@ -4682,7 +4682,7 @@
 					{
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@@ -4785,7 +4785,7 @@
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 					},
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+			},
+			"corner-top-back": {
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+						"y": -13.9,
+						"curve": [ 0.111, -1.03, 0.222, -14.12, 0.111, -13.9, 0.222, 28.4 ]
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+					{ "time": 0.6667, "x": -1.03, "y": -13.9 }
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+		"physics": {
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diff --git a/spine-ts/spine-webgl/example/assets/sack-pro.skel b/spine-ts/spine-webgl/example/assets/sack-pro.skel
index 3ff65826d..56582c076 100644
Binary files a/spine-ts/spine-webgl/example/assets/sack-pro.skel and b/spine-ts/spine-webgl/example/assets/sack-pro.skel differ