diff --git a/spine-unity/Assets/Spine Examples/Spine Skeletons/Dragon/dragon.atlas.txt b/spine-unity/Assets/Spine Examples/Spine Skeletons/Dragon/dragon.atlas.txt
index 805630d88..a358d0c86 100644
--- a/spine-unity/Assets/Spine Examples/Spine Skeletons/Dragon/dragon.atlas.txt	
+++ b/spine-unity/Assets/Spine Examples/Spine Skeletons/Dragon/dragon.atlas.txt	
@@ -3,86 +3,69 @@ dragon.png
 	filter: Linear, Linear
 	pma: true
 front-toe-a
-	bounds: 797, 381, 29, 50
-front-toe-b
-	bounds: 942, 118, 56, 57
+	bounds: 993, 73, 29, 50
 head
-	bounds: 647, 81, 296, 260
+	bounds: 736, 125, 296, 260
 	rotate: 90
-left-front-leg
-	bounds: 942, 250, 84, 57
-	rotate: 90
-left-front-thigh
-	bounds: 852, 7, 84, 72
 left-wing01
-	bounds: 736, 433, 264, 589
-right-rear-toe
-	bounds: 647, 2, 109, 77
+	bounds: 736, 423, 264, 589
+right-rear-leg
+	bounds: 891, 7, 116, 100
+	rotate: 90
 right-wing01
-	bounds: 2, 379, 365, 643
+	bounds: 2, 369, 365, 643
 right-wing02
-	bounds: 369, 379, 365, 643
+	bounds: 369, 369, 365, 643
 right-wing03
-	bounds: 2, 12, 365, 643
+	bounds: 2, 2, 365, 643
 	rotate: 90
-tail03
-	bounds: 758, 6, 73, 92
-	rotate: 90
-tail04
-	bounds: 942, 177, 56, 71
-tail05
-	bounds: 736, 379, 52, 59
-	rotate: 90
-tail06
-	bounds: 942, 336, 95, 68
-	rotate: 90
-thiagobrayner
-	bounds: 909, 81, 350, 31
+tail01
+	bounds: 736, 3, 120, 153
 	rotate: 90
 
 dragon2.png
 	size: 1024, 1024
 	filter: Linear, Linear
 	pma: true
-back
-	bounds: 795, 32, 190, 185
 chin
-	bounds: 647, 157, 214, 146
-	rotate: 90
+	bounds: 736, 285, 214, 146
 left-rear-leg
-	bounds: 795, 219, 206, 177
+	bounds: 736, 106, 206, 177
+left-rear-thigh
+	bounds: 736, 13, 91, 149
 	rotate: 90
 left-wing02
-	bounds: 736, 427, 264, 589
+	bounds: 736, 433, 264, 589
+right-rear-toe
+	bounds: 887, 2, 109, 77
 right-wing04
-	bounds: 2, 373, 365, 643
+	bounds: 2, 379, 365, 643
 right-wing05
-	bounds: 369, 373, 365, 643
+	bounds: 369, 379, 365, 643
 right-wing06
-	bounds: 2, 6, 365, 643
+	bounds: 2, 12, 365, 643
+	rotate: 90
+thiagobrayner
+	bounds: 952, 81, 350, 31
 	rotate: 90
-tail01
-	bounds: 647, 2, 120, 153
 
 dragon3.png
 	size: 1024, 1024
 	filter: Linear, Linear
 	pma: true
+back
+	bounds: 736, 236, 190, 185
 chest
-	bounds: 740, 299, 136, 122
-left-rear-thigh
-	bounds: 647, 218, 91, 149
+	bounds: 736, 112, 136, 122
 left-wing03
 	bounds: 736, 423, 264, 589
 right-front-leg
-	bounds: 850, 196, 101, 89
+	bounds: 846, 9, 101, 89
 	rotate: 90
 right-front-thigh
-	bounds: 740, 189, 108, 108
-right-rear-leg
-	bounds: 878, 321, 116, 100
+	bounds: 736, 2, 108, 108
 right-rear-thigh
-	bounds: 647, 67, 91, 149
+	bounds: 928, 272, 91, 149
 right-wing07
 	bounds: 2, 369, 365, 643
 right-wing08
@@ -91,21 +74,37 @@ right-wing09
 	bounds: 2, 2, 365, 643
 	rotate: 90
 tail02
-	bounds: 740, 67, 95, 120
+	bounds: 874, 114, 95, 120
+tail06
+	bounds: 937, 17, 95, 68
+	rotate: 90
 
 dragon4.png
 	size: 1024, 1024
 	filter: Linear, Linear
 	pma: true
-left-wing04
-	bounds: 2, 268, 264, 589
-left-wing05
-	bounds: 268, 268, 264, 589
-left-wing06
-	bounds: 534, 268, 264, 589
-left-wing07
-	bounds: 2, 2, 264, 589
+front-toe-b
+	bounds: 2, 2, 56, 57
+left-front-leg
+	bounds: 800, 812, 84, 57
 	rotate: 90
+left-front-thigh
+	bounds: 2, 61, 84, 72
+left-wing04
+	bounds: 2, 401, 264, 589
+left-wing05
+	bounds: 268, 401, 264, 589
+left-wing06
+	bounds: 534, 401, 264, 589
+left-wing07
+	bounds: 2, 135, 264, 589
+	rotate: 90
+tail03
+	bounds: 800, 898, 73, 92
+tail04
+	bounds: 875, 919, 56, 71
+tail05
+	bounds: 88, 74, 52, 59
 
 dragon5.png
 	size: 1024, 1024
diff --git a/spine-unity/Assets/Spine Examples/Spine Skeletons/Dragon/dragon.json b/spine-unity/Assets/Spine Examples/Spine Skeletons/Dragon/dragon.json
index e5ed6c7c1..827463472 100644
--- a/spine-unity/Assets/Spine Examples/Spine Skeletons/Dragon/dragon.json	
+++ b/spine-unity/Assets/Spine Examples/Spine Skeletons/Dragon/dragon.json	
@@ -1,7 +1,7 @@
 {
 "skeleton": {
 	"hash": "fE1TdXi9fk4",
-	"spine": "4.2.22",
+	"spine": "4.3.12-beta",
 	"x": -366.31,
 	"y": -327.81,
 	"width": 660.39,
diff --git a/spine-unity/Assets/Spine Examples/Spine Skeletons/Dragon/dragon.png b/spine-unity/Assets/Spine Examples/Spine Skeletons/Dragon/dragon.png
index ec9e89390..ce79f9a95 100644
Binary files a/spine-unity/Assets/Spine Examples/Spine Skeletons/Dragon/dragon.png and b/spine-unity/Assets/Spine Examples/Spine Skeletons/Dragon/dragon.png differ
diff --git a/spine-unity/Assets/Spine Examples/Spine Skeletons/Dragon/dragon2.png b/spine-unity/Assets/Spine Examples/Spine Skeletons/Dragon/dragon2.png
index 6c025cb8e..a549067e8 100644
Binary files a/spine-unity/Assets/Spine Examples/Spine Skeletons/Dragon/dragon2.png and b/spine-unity/Assets/Spine Examples/Spine Skeletons/Dragon/dragon2.png differ
diff --git a/spine-unity/Assets/Spine Examples/Spine Skeletons/Dragon/dragon3.png b/spine-unity/Assets/Spine Examples/Spine Skeletons/Dragon/dragon3.png
index 42d87958e..efd062db6 100644
Binary files a/spine-unity/Assets/Spine Examples/Spine Skeletons/Dragon/dragon3.png and b/spine-unity/Assets/Spine Examples/Spine Skeletons/Dragon/dragon3.png differ
diff --git a/spine-unity/Assets/Spine Examples/Spine Skeletons/Dragon/dragon4.png b/spine-unity/Assets/Spine Examples/Spine Skeletons/Dragon/dragon4.png
index 11283aad5..acc37747d 100644
Binary files a/spine-unity/Assets/Spine Examples/Spine Skeletons/Dragon/dragon4.png and b/spine-unity/Assets/Spine Examples/Spine Skeletons/Dragon/dragon4.png differ
diff --git a/spine-unity/Assets/Spine Examples/Spine Skeletons/Eyes/eyes.json b/spine-unity/Assets/Spine Examples/Spine Skeletons/Eyes/eyes.json
index 7fa736b4b..370773c12 100644
--- a/spine-unity/Assets/Spine Examples/Spine Skeletons/Eyes/eyes.json	
+++ b/spine-unity/Assets/Spine Examples/Spine Skeletons/Eyes/eyes.json	
@@ -1,7 +1,7 @@
 {
 "skeleton": {
 	"hash": "bCPH+nfNatw",
-	"spine": "4.2.22",
+	"spine": "4.3.12-beta",
 	"x": -434,
 	"y": -133,
 	"width": 868,
diff --git a/spine-unity/Assets/Spine Examples/Spine Skeletons/FootSoldier/FootSoldier.json b/spine-unity/Assets/Spine Examples/Spine Skeletons/FootSoldier/FootSoldier.json
index 4c1640f8d..ad78a7e97 100644
--- a/spine-unity/Assets/Spine Examples/Spine Skeletons/FootSoldier/FootSoldier.json	
+++ b/spine-unity/Assets/Spine Examples/Spine Skeletons/FootSoldier/FootSoldier.json	
@@ -1,7 +1,7 @@
 {
 "skeleton": {
 	"hash": "sqPqrqoSm2E",
-	"spine": "4.2.22",
+	"spine": "4.3.12-beta",
 	"x": -79.83,
 	"y": -0.99,
 	"width": 147.64,
diff --git a/spine-unity/Assets/Spine Examples/Spine Skeletons/Gauge/Gauge.json b/spine-unity/Assets/Spine Examples/Spine Skeletons/Gauge/Gauge.json
index 3ebfb0424..a8adef1fe 100644
--- a/spine-unity/Assets/Spine Examples/Spine Skeletons/Gauge/Gauge.json	
+++ b/spine-unity/Assets/Spine Examples/Spine Skeletons/Gauge/Gauge.json	
@@ -1,7 +1,7 @@
 {
 "skeleton": {
 	"hash": "TKIzjMjpnSk",
-	"spine": "4.2.22",
+	"spine": "4.3.12-beta",
 	"x": -125,
 	"y": -30,
 	"width": 250,
diff --git a/spine-unity/Assets/Spine Examples/Spine Skeletons/Goblins/goblins.atlas.txt b/spine-unity/Assets/Spine Examples/Spine Skeletons/Goblins/goblins.atlas.txt
index 2335b650e..00221cc02 100644
--- a/spine-unity/Assets/Spine Examples/Spine Skeletons/Goblins/goblins.atlas.txt	
+++ b/spine-unity/Assets/Spine Examples/Spine Skeletons/Goblins/goblins.atlas.txt	
@@ -14,7 +14,7 @@ goblin/left-arm
 goblin/left-foot
 	bounds: 929, 95, 65, 31
 goblin/left-hand
-	bounds: 452, 2, 36, 41
+	bounds: 546, 2, 36, 41
 goblin/left-lower-leg
 	bounds: 713, 93, 33, 70
 	rotate: 90
@@ -24,22 +24,21 @@ goblin/left-upper-leg
 	bounds: 638, 93, 33, 73
 	rotate: 90
 goblin/neck
-	bounds: 490, 2, 36, 41
+	bounds: 729, 14, 36, 41
 goblin/pelvis
 	bounds: 482, 45, 62, 43
 goblin/right-arm
-	bounds: 690, 2, 23, 50
-	rotate: 90
+	bounds: 996, 76, 23, 50
 goblin/right-foot
 	bounds: 771, 58, 63, 33
 goblin/right-hand
-	bounds: 940, 56, 36, 37
+	bounds: 819, 20, 36, 37
+	rotate: 90
 goblin/right-lower-leg
 	bounds: 482, 90, 36, 76
 	rotate: 90
 goblin/right-shoulder
-	bounds: 602, 3, 39, 45
-	rotate: 90
+	bounds: 647, 10, 39, 45
 goblin/right-upper-leg
 	bounds: 641, 57, 34, 63
 	rotate: 90
@@ -55,23 +54,23 @@ goblingirl/eyes-closed
 goblingirl/head
 	bounds: 2, 21, 103, 81
 goblingirl/left-arm
-	bounds: 978, 56, 37, 35
-	rotate: 90
+	bounds: 897, 19, 37, 35
 goblingirl/left-foot
 	bounds: 107, 3, 65, 31
 goblingirl/left-hand
-	bounds: 565, 2, 35, 40
+	bounds: 610, 2, 35, 40
 goblingirl/left-lower-leg
 	bounds: 785, 93, 33, 70
 	rotate: 90
 goblingirl/left-shoulder
-	bounds: 690, 27, 28, 46
+	bounds: 771, 28, 28, 46
 	rotate: 90
 goblingirl/left-upper-leg
 	bounds: 857, 93, 33, 70
 	rotate: 90
 goblingirl/neck
-	bounds: 528, 2, 35, 41
+	bounds: 940, 58, 35, 41
+	rotate: 90
 goblingirl/pelvis
 	bounds: 546, 45, 62, 43
 goblingirl/right-arm
@@ -79,13 +78,13 @@ goblingirl/right-arm
 goblingirl/right-foot
 	bounds: 836, 58, 63, 33
 goblingirl/right-hand
-	bounds: 771, 20, 36, 37
+	bounds: 858, 20, 36, 37
 	rotate: 90
 goblingirl/right-lower-leg
 	bounds: 560, 90, 36, 76
 	rotate: 90
 goblingirl/right-shoulder
-	bounds: 649, 10, 39, 45
+	bounds: 688, 10, 39, 45
 goblingirl/right-upper-leg
 	bounds: 706, 57, 34, 63
 	rotate: 90
@@ -94,7 +93,7 @@ goblingirl/torso
 goblingirl/undie-straps
 	bounds: 212, 13, 55, 19
 goblingirl/undies
-	bounds: 810, 27, 36, 29
+	bounds: 983, 45, 36, 29
 shield
 	bounds: 380, 26, 70, 72
 spear
diff --git a/spine-unity/Assets/Spine Examples/Spine Skeletons/Goblins/goblins.json b/spine-unity/Assets/Spine Examples/Spine Skeletons/Goblins/goblins.json
index b54a18d0e..91ec2fce1 100644
--- a/spine-unity/Assets/Spine Examples/Spine Skeletons/Goblins/goblins.json	
+++ b/spine-unity/Assets/Spine Examples/Spine Skeletons/Goblins/goblins.json	
@@ -1,7 +1,7 @@
 {
 "skeleton": {
 	"hash": "r8iwnU9Tvmc",
-	"spine": "4.2.22",
+	"spine": "4.3.12-beta",
 	"x": -134.12,
 	"y": -3.28,
 	"width": 266.94,
diff --git a/spine-unity/Assets/Spine Examples/Spine Skeletons/Goblins/goblins.png b/spine-unity/Assets/Spine Examples/Spine Skeletons/Goblins/goblins.png
index 4b9f623d7..e11c62834 100644
Binary files a/spine-unity/Assets/Spine Examples/Spine Skeletons/Goblins/goblins.png and b/spine-unity/Assets/Spine Examples/Spine Skeletons/Goblins/goblins.png differ
diff --git a/spine-unity/Assets/Spine Examples/Spine Skeletons/Hero/hero-pro.json b/spine-unity/Assets/Spine Examples/Spine Skeletons/Hero/hero-pro.json
index b0138d168..7f2428146 100644
--- a/spine-unity/Assets/Spine Examples/Spine Skeletons/Hero/hero-pro.json	
+++ b/spine-unity/Assets/Spine Examples/Spine Skeletons/Hero/hero-pro.json	
@@ -1,7 +1,7 @@
 {
 "skeleton": {
 	"hash": "1GKrwevyJb4",
-	"spine": "4.2.22",
+	"spine": "4.3.12-beta",
 	"x": -85.7,
 	"y": -0.02,
 	"width": 321.77,
@@ -148,7 +148,7 @@
 		"order": 3,
 		"skin": true,
 		"bones": [ "chain1", "chain2", "chain3", "chain4", "chain5", "chain6", "chain7", "chain8" ],
-		"target": "weapon-morningstar-path",
+		"slot": "weapon-morningstar-path",
 		"rotateMode": "chain"
 	}
 ],
diff --git a/spine-unity/Assets/Spine Examples/Spine Skeletons/Raggedy Spineboy/raggedy spineboy.json b/spine-unity/Assets/Spine Examples/Spine Skeletons/Raggedy Spineboy/raggedy spineboy.json
index 16fc47452..b5d21698b 100644
--- a/spine-unity/Assets/Spine Examples/Spine Skeletons/Raggedy Spineboy/raggedy spineboy.json	
+++ b/spine-unity/Assets/Spine Examples/Spine Skeletons/Raggedy Spineboy/raggedy spineboy.json	
@@ -1,7 +1,7 @@
 {
 "skeleton": {
 	"hash": "y7rWjT0Whbg",
-	"spine": "4.2.22",
+	"spine": "4.3.12-beta",
 	"x": -78.45,
 	"y": -9.66,
 	"width": 157.48,
diff --git a/spine-unity/Assets/Spine Examples/Spine Skeletons/Raptor/raptor.json b/spine-unity/Assets/Spine Examples/Spine Skeletons/Raptor/raptor.json
index 80c2ab738..84fea1ac7 100644
--- a/spine-unity/Assets/Spine Examples/Spine Skeletons/Raptor/raptor.json	
+++ b/spine-unity/Assets/Spine Examples/Spine Skeletons/Raptor/raptor.json	
@@ -1,7 +1,7 @@
 {
 "skeleton": {
 	"hash": "4YKjYFOYC7w",
-	"spine": "4.2.22",
+	"spine": "4.3.12-beta",
 	"x": -402.84,
 	"y": -35.99,
 	"width": 611.87,
diff --git a/spine-unity/Assets/Spine Examples/Spine Skeletons/Spineunitygirl/Doi.atlas.txt b/spine-unity/Assets/Spine Examples/Spine Skeletons/Spineunitygirl/Doi.atlas.txt
index fa52cd646..320179302 100644
--- a/spine-unity/Assets/Spine Examples/Spine Skeletons/Spineunitygirl/Doi.atlas.txt	
+++ b/spine-unity/Assets/Spine Examples/Spine Skeletons/Spineunitygirl/Doi.atlas.txt	
@@ -12,9 +12,9 @@ arrow
 body
 	bounds: 2, 171, 274, 339
 bootR
-	bounds: 783, 426, 91, 84
+	bounds: 675, 330, 91, 84
 browL
-	bounds: 126, 12, 40, 22
+	bounds: 79, 12, 40, 22
 browR
 	bounds: 2, 2, 32, 25
 	rotate: 90
@@ -23,73 +23,77 @@ eyelids closed
 eyelids open
 	bounds: 502, 421, 176, 89
 hairL
-	bounds: 548, 239, 54, 60
+	bounds: 846, 333, 54, 60
 hairL2
-	bounds: 385, 49, 71, 76
+	bounds: 768, 322, 71, 76
+	rotate: 90
 hairM
-	bounds: 876, 433, 96, 77
+	bounds: 890, 433, 96, 77
 hairM blob
-	bounds: 29, 4, 30, 45
+	bounds: 609, 302, 30, 45
 	rotate: 90
 hairM blobS
-	bounds: 448, 146, 16, 20
+	bounds: 548, 195, 16, 20
+	rotate: 90
 hairR
-	bounds: 974, 427, 41, 83
+	bounds: 783, 395, 41, 83
+	rotate: 90
 hairR2
 	bounds: 680, 416, 94, 101
 	rotate: 90
 hairSide
-	bounds: 76, 10, 48, 24
+	bounds: 29, 10, 48, 24
 head
 	bounds: 278, 285, 222, 225
 indexL
-	bounds: 640, 260, 24, 36
+	bounds: 692, 304, 24, 36
+	rotate: 90
 indexR
-	bounds: 207, 6, 34, 28
+	bounds: 923, 403, 34, 28
 inmouth
-	bounds: 548, 191, 46, 55
-	rotate: 90
+	bounds: 633, 245, 46, 55
 irisL
-	bounds: 609, 298, 34, 47
-	rotate: 90
+	bounds: 988, 463, 34, 47
 irisL flatspec
-	bounds: 278, 41, 19, 10
+	bounds: 768, 395, 19, 10
+	rotate: 90
 irisL spec
-	bounds: 448, 168, 18, 21
+	bounds: 902, 372, 18, 21
 irisR
-	bounds: 604, 249, 34, 47
+	bounds: 988, 414, 34, 47
 irisR flatspec
-	bounds: 502, 288, 22, 11
+	bounds: 448, 167, 22, 11
+	rotate: 90
 irisR spec
-	bounds: 448, 127, 16, 17
+	bounds: 121, 17, 16, 17
 middleL
-	bounds: 243, 8, 26, 36
-	rotate: 90
+	bounds: 868, 395, 26, 36
 middleR
-	bounds: 766, 342, 34, 26
-	rotate: 90
+	bounds: 656, 302, 34, 26
 mouth
-	bounds: 675, 331, 89, 83
+	bounds: 463, 194, 89, 83
+	rotate: 90
 nose
-	bounds: 658, 322, 11, 10
+	bounds: 502, 289, 11, 10
 pinkyL
-	bounds: 605, 191, 24, 27
+	bounds: 959, 407, 24, 27
 	rotate: 90
 pony1
-	bounds: 278, 53, 72, 105
+	bounds: 783, 438, 72, 105
 	rotate: 90
 pony2
-	bounds: 463, 197, 86, 83
+	bounds: 548, 213, 86, 83
 	rotate: 90
 ringL
-	bounds: 605, 217, 26, 30
+	bounds: 730, 302, 26, 30
+	rotate: 90
 rotate
 	bounds: 502, 301, 105, 118
 strap
 	bounds: 278, 127, 62, 168
 	rotate: 90
 thumbL
-	bounds: 168, 6, 37, 28
+	bounds: 633, 215, 37, 28
 thumbR
-	bounds: 766, 378, 36, 25
+	bounds: 896, 395, 36, 25
 	rotate: 90
diff --git a/spine-unity/Assets/Spine Examples/Spine Skeletons/Spineunitygirl/Doi.json b/spine-unity/Assets/Spine Examples/Spine Skeletons/Spineunitygirl/Doi.json
index 2237f8516..73bf35f82 100644
--- a/spine-unity/Assets/Spine Examples/Spine Skeletons/Spineunitygirl/Doi.json	
+++ b/spine-unity/Assets/Spine Examples/Spine Skeletons/Spineunitygirl/Doi.json	
@@ -1,7 +1,7 @@
 {
 "skeleton": {
-	"hash": "bpqXaGsNIZs",
-	"spine": "4.2.22",
+	"hash": "AJJUxcmEnS8",
+	"spine": "4.3.12-beta",
 	"x": -214.04,
 	"y": -80.91,
 	"width": 519.95,
@@ -152,12 +152,83 @@
 		"name": "rotateHandleTarget",
 		"order": 1,
 		"bones": [ "rotateHandle" ],
-		"target": "handleCenterTargetR"
+		"source": "handleCenterTargetR",
+		"properties": {
+			"rotate": {
+				"offset": 124.72,
+				"to": {
+					"rotate": { "offset": 124.72, "max": 224.72, "scale": 1 }
+				}
+			},
+			"x": {
+				"to": {
+					"x": { "max": 100, "scale": 1 }
+				}
+			},
+			"y": {
+				"to": {
+					"y": { "max": 100, "scale": 1 }
+				}
+			},
+			"scaleX": {
+				"offset": 1,
+				"to": {
+					"scaleX": { "offset": 1, "max": 2, "scale": 1 }
+				}
+			},
+			"scaleY": {
+				"offset": 1,
+				"to": {
+					"scaleY": { "offset": 1, "max": 2, "scale": 1 }
+				}
+			},
+			"shearY": {
+				"offset": -360,
+				"to": {
+					"shearY": { "offset": -360, "max": -260, "scale": 1 }
+				}
+			}
+		}
 	},
 	{
 		"name": "translateHandleTarget",
 		"bones": [ "arrowOrigin" ],
-		"target": "handL",
+		"source": "handL",
+		"properties": {
+			"rotate": {
+				"offset": -2.47,
+				"to": {
+					"rotate": { "offset": -2.47, "max": 97.53, "scale": 1 }
+				}
+			},
+			"x": {
+				"to": {
+					"x": { "max": 100, "scale": 1 }
+				}
+			},
+			"y": {
+				"to": {
+					"y": { "max": 100, "scale": 1 }
+				}
+			},
+			"scaleX": {
+				"offset": 1,
+				"to": {
+					"scaleX": { "offset": 1, "max": 2, "scale": 1 }
+				}
+			},
+			"scaleY": {
+				"offset": 1,
+				"to": {
+					"scaleY": { "offset": 1, "max": 2, "scale": 1 }
+				}
+			},
+			"shearY": {
+				"to": {
+					"shearY": { "max": 100, "scale": 1 }
+				}
+			}
+		},
 		"mixRotate": 0
 	}
 ],
diff --git a/spine-unity/Assets/Spine Examples/Spine Skeletons/Spineunitygirl/Doi.png b/spine-unity/Assets/Spine Examples/Spine Skeletons/Spineunitygirl/Doi.png
index c697bb1a4..873f8ec42 100644
Binary files a/spine-unity/Assets/Spine Examples/Spine Skeletons/Spineunitygirl/Doi.png and b/spine-unity/Assets/Spine Examples/Spine Skeletons/Spineunitygirl/Doi.png differ
diff --git a/spine-unity/Assets/Spine Examples/Spine Skeletons/Stretchyman/stretchyman.json b/spine-unity/Assets/Spine Examples/Spine Skeletons/Stretchyman/stretchyman.json
index 5b8975896..3e3fbb780 100644
--- a/spine-unity/Assets/Spine Examples/Spine Skeletons/Stretchyman/stretchyman.json	
+++ b/spine-unity/Assets/Spine Examples/Spine Skeletons/Stretchyman/stretchyman.json	
@@ -1,7 +1,7 @@
 {
 "skeleton": {
-	"hash": "CNp43FaCQIg",
-	"spine": "4.2.22",
+	"hash": "ZqKiK7oBADQ",
+	"spine": "4.3.12-beta",
 	"x": -100.47,
 	"y": -9.21,
 	"width": 260.65,
@@ -418,13 +418,44 @@
 		"name": "back-foot-position",
 		"order": 8,
 		"bones": [ "back-foot1" ],
-		"target": "back-leg8",
-		"rotation": 108.8,
+		"source": "back-leg8",
 		"x": 41.2,
 		"y": -0.03,
-		"scaleX": 5.0E-4,
-		"scaleY": -3.0E-4,
-		"shearY": 0.1,
+		"properties": {
+			"rotate": {
+				"offset": -103.59,
+				"to": {
+					"rotate": { "offset": 5.21, "max": 105.21, "scale": 1 }
+				}
+			},
+			"x": {
+				"to": {
+					"x": { "max": 100, "scale": 1 }
+				}
+			},
+			"y": {
+				"to": {
+					"y": { "max": 100, "scale": 1 }
+				}
+			},
+			"scaleX": {
+				"offset": 0.8948,
+				"to": {
+					"scaleX": { "offset": 0.8953, "max": 1.8953, "scale": 1 }
+				}
+			},
+			"scaleY": {
+				"offset": 1,
+				"to": {
+					"scaleY": { "offset": 0.9997, "max": 1.9997, "scale": 1 }
+				}
+			},
+			"shearY": {
+				"to": {
+					"shearY": { "offset": 0.1, "max": 100.1, "scale": 1 }
+				}
+			}
+		},
 		"mixRotate": 0,
 		"mixScaleX": 0
 	},
@@ -432,13 +463,44 @@
 		"name": "front-foot-position",
 		"order": 9,
 		"bones": [ "front-foot1" ],
-		"target": "front-leg8",
-		"rotation": 101.55,
+		"source": "front-leg8",
 		"x": 38.92,
 		"y": -0.02,
-		"scaleX": 4.0E-4,
-		"scaleY": -3.0E-4,
-		"shearY": 0.1,
+		"properties": {
+			"rotate": {
+				"offset": -112.09,
+				"to": {
+					"rotate": { "offset": -10.54, "max": 89.46, "scale": 1 }
+				}
+			},
+			"x": {
+				"to": {
+					"x": { "max": 100, "scale": 1 }
+				}
+			},
+			"y": {
+				"to": {
+					"y": { "max": 100, "scale": 1 }
+				}
+			},
+			"scaleX": {
+				"offset": 1.0075,
+				"to": {
+					"scaleX": { "offset": 1.0079, "max": 2.0079, "scale": 1 }
+				}
+			},
+			"scaleY": {
+				"offset": 1,
+				"to": {
+					"scaleY": { "offset": 0.9997, "max": 1.9997, "scale": 1 }
+				}
+			},
+			"shearY": {
+				"to": {
+					"shearY": { "offset": 0.1, "max": 100.1, "scale": 1 }
+				}
+			}
+		},
 		"mixRotate": 0,
 		"mixScaleX": 0
 	}
@@ -448,7 +510,7 @@
 		"name": "back-arm-path",
 		"order": 7,
 		"bones": [ "back-arm1", "back-arm2", "back-arm3", "back-arm4" ],
-		"target": "back-arm-path",
+		"slot": "back-arm-path",
 		"spacingMode": "percent",
 		"rotateMode": "chainScale",
 		"spacing": 0.25
@@ -457,7 +519,7 @@
 		"name": "back-leg-path",
 		"order": 4,
 		"bones": [ "back-leg1", "back-leg2", "back-leg3", "back-leg4", "back-leg5", "back-leg6", "back-leg7", "back-leg8" ],
-		"target": "back-leg-path",
+		"slot": "back-leg-path",
 		"spacingMode": "percent",
 		"rotateMode": "chainScale",
 		"spacing": 0.125
@@ -466,7 +528,7 @@
 		"name": "front-arm-path",
 		"order": 6,
 		"bones": [ "front-arm1", "front-arm2", "front-arm3", "front-arm4" ],
-		"target": "front-arm-path",
+		"slot": "front-arm-path",
 		"spacingMode": "percent",
 		"rotateMode": "chainScale",
 		"spacing": 0.25
@@ -475,7 +537,7 @@
 		"name": "front-leg-path",
 		"order": 5,
 		"bones": [ "front-leg1", "front-leg2", "front-leg3", "front-leg4", "front-leg5", "front-leg6", "front-leg7", "front-leg8" ],
-		"target": "front-leg-path",
+		"slot": "front-leg-path",
 		"spacingMode": "percent",
 		"rotateMode": "chainScale",
 		"spacing": 0.125
diff --git a/spine-unity/Assets/Spine Examples/Spine Skeletons/celestial-circus/celestial-circus-pma.atlas.txt b/spine-unity/Assets/Spine Examples/Spine Skeletons/celestial-circus/celestial-circus-pma.atlas.txt
index 614022925..c26517674 100644
--- a/spine-unity/Assets/Spine Examples/Spine Skeletons/celestial-circus/celestial-circus-pma.atlas.txt	
+++ b/spine-unity/Assets/Spine Examples/Spine Skeletons/celestial-circus/celestial-circus-pma.atlas.txt	
@@ -4,171 +4,159 @@ celestial-circus-pma.png
 	pma: true
 	scale: 0.4
 arm-back-down
-	bounds: 324, 401, 38, 82
-	rotate: 90
+	bounds: 966, 559, 38, 82
 arm-back-up
-	bounds: 290, 44, 83, 116
+	bounds: 772, 2, 83, 116
 	rotate: 90
 arm-front-down
-	bounds: 706, 2, 36, 78
-	rotate: 90
+	bounds: 937, 450, 36, 78
 arm-front-up
-	bounds: 860, 138, 77, 116
+	bounds: 890, 8, 77, 116
+	rotate: 90
 bench
-	bounds: 725, 256, 189, 48
+	bounds: 966, 735, 189, 48
+	rotate: 90
 body-bottom
-	bounds: 879, 868, 154, 124
+	bounds: 816, 222, 154, 124
 	rotate: 90
 body-top
-	bounds: 725, 128, 126, 133
-	rotate: 90
+	bounds: 816, 87, 126, 133
 chest
-	bounds: 408, 26, 104, 93
+	bounds: 334, 2, 104, 93
 cloud-back
-	bounds: 752, 378, 202, 165
+	bounds: 704, 378, 202, 165
 cloud-front
 	bounds: 2, 2, 325, 196
 	rotate: 90
 collar
-	bounds: 786, 13, 47, 26
+	bounds: 879, 851, 47, 26
 ear
-	bounds: 1002, 643, 20, 28
+	bounds: 232, 329, 20, 28
+	rotate: 90
 eye-back-shadow
-	bounds: 428, 395, 14, 10
+	bounds: 937, 533, 14, 10
 eye-front-shadow
-	bounds: 704, 529, 24, 14
+	bounds: 262, 335, 24, 14
 eye-reflex-back
-	bounds: 860, 128, 8, 7
+	bounds: 966, 537, 8, 7
 	rotate: 90
 eye-reflex-front
-	bounds: 726, 386, 10, 7
-eye-white-back
-	bounds: 835, 23, 13, 16
-eye-white-front
-	bounds: 1005, 1000, 22, 17
+	bounds: 966, 547, 10, 7
 	rotate: 90
+eye-white-back
+	bounds: 1009, 683, 13, 16
+eye-white-front
+	bounds: 200, 2, 22, 17
 eyelashes-down-back
-	bounds: 232, 329, 11, 6
+	bounds: 1016, 889, 11, 6
 	rotate: 90
 eyelashes-down-front
-	bounds: 913, 851, 15, 6
-	rotate: 90
+	bounds: 928, 851, 15, 6
 eyelashes-top-back
-	bounds: 408, 395, 18, 10
+	bounds: 990, 301, 18, 10
 eyelashes-top-front
-	bounds: 702, 179, 30, 16
+	bounds: 1006, 611, 30, 16
 	rotate: 90
 face
-	bounds: 514, 26, 93, 102
+	bounds: 668, 2, 93, 102
 	rotate: 90
 feathers-back
-	bounds: 954, 625, 46, 46
+	bounds: 942, 300, 46, 46
 feathers-front
-	bounds: 706, 40, 72, 86
+	bounds: 879, 936, 72, 86
 fringe-middle-back
-	bounds: 200, 6, 33, 52
-	rotate: 90
+	bounds: 944, 193, 33, 52
 fringe-middle-front
-	bounds: 878, 76, 60, 50
-	rotate: 90
+	bounds: 952, 395, 60, 50
 fringe-side-back
-	bounds: 780, 41, 27, 94
-	rotate: 90
+	bounds: 908, 449, 27, 94
 fringe-side-front
-	bounds: 939, 161, 26, 93
+	bounds: 440, 2, 26, 93
 glove-bottom-back
-	bounds: 954, 572, 51, 41
+	bounds: 942, 247, 51, 41
 	rotate: 90
 glove-bottom-front
-	bounds: 916, 256, 47, 48
+	bounds: 975, 447, 47, 48
 hair-back-1
-	bounds: 444, 395, 132, 306
-	rotate: 90
+	bounds: 200, 21, 132, 306
 hair-back-2
-	bounds: 438, 211, 80, 285
-	rotate: 90
+	bounds: 482, 64, 80, 285
 hair-back-3
-	bounds: 719, 306, 70, 268
-	rotate: 90
+	bounds: 744, 108, 70, 268
 hair-back-4
-	bounds: 438, 121, 88, 262
+	bounds: 232, 351, 88, 262
 	rotate: 90
 hair-back-5
-	bounds: 438, 293, 88, 279
-	rotate: 90
+	bounds: 654, 97, 88, 279
 hair-back-6
-	bounds: 200, 41, 88, 286
+	bounds: 564, 90, 88, 286
 hair-hat-shadow
-	bounds: 232, 398, 90, 41
+	bounds: 966, 643, 90, 41
+	rotate: 90
 hand-back
-	bounds: 954, 673, 60, 47
+	bounds: 975, 497, 60, 47
 	rotate: 90
 hand-front
-	bounds: 967, 172, 53, 60
+	bounds: 468, 2, 53, 60
 hat-back
-	bounds: 954, 802, 64, 45
-	rotate: 90
+	bounds: 952, 348, 64, 45
 hat-front
-	bounds: 780, 70, 96, 56
+	bounds: 966, 926, 96, 56
+	rotate: 90
 head-back
-	bounds: 618, 17, 102, 86
-	rotate: 90
+	bounds: 564, 2, 102, 86
 jabot
-	bounds: 967, 234, 70, 55
-	rotate: 90
+	bounds: 879, 879, 70, 55
 leg-back
 	bounds: 232, 441, 210, 333
 leg-front
 	bounds: 444, 529, 258, 320
 logo-brooch
-	bounds: 954, 545, 16, 25
+	bounds: 1006, 584, 16, 25
 mouth
-	bounds: 408, 121, 22, 6
-neck
-	bounds: 232, 342, 39, 56
+	bounds: 1016, 902, 22, 6
 	rotate: 90
+neck
+	bounds: 523, 6, 39, 56
 nose
-	bounds: 742, 529, 6, 7
+	bounds: 945, 851, 6, 7
 	rotate: 90
 nose-highlight
-	bounds: 719, 300, 4, 4
+	bounds: 890, 2, 4, 4
 nose-shadow
-	bounds: 869, 128, 7, 8
+	bounds: 1014, 438, 7, 8
+	rotate: 90
 pupil-back
-	bounds: 730, 529, 10, 14
+	bounds: 224, 5, 10, 14
 pupil-front
-	bounds: 254, 21, 12, 18
+	bounds: 468, 77, 12, 18
 rope-back
-	bounds: 232, 383, 10, 492
-	rotate: 90
+	bounds: 954, 530, 10, 492
 rope-front
-	bounds: 232, 383, 10, 492
-	rotate: 90
+	bounds: 954, 530, 10, 492
 rope-front-bottom
-	bounds: 954, 735, 42, 65
+	bounds: 908, 382, 42, 65
 skirt
 	bounds: 2, 776, 440, 246
 sock-bow
-	bounds: 408, 407, 33, 32
-spine-logo-body
-	bounds: 879, 853, 13, 32
+	bounds: 990, 313, 33, 32
 	rotate: 90
+spine-logo-body
+	bounds: 1009, 701, 13, 32
 star-big
-	bounds: 939, 141, 18, 24
+	bounds: 928, 859, 18, 24
 	rotate: 90
 star-medium
-	bounds: 742, 537, 6, 8
-	rotate: 90
+	bounds: 1016, 879, 6, 8
 star-small
-	bounds: 719, 378, 3, 4
-	rotate: 90
+	bounds: 262, 329, 3, 4
 underskirt
 	bounds: 2, 329, 445, 228
 	rotate: 90
 underskirt-back
 	bounds: 444, 851, 433, 171
 wing-back
-	bounds: 290, 129, 146, 252
+	bounds: 334, 97, 146, 252
 wing-front
 	bounds: 704, 545, 304, 248
 	rotate: 90
diff --git a/spine-unity/Assets/Spine Examples/Spine Skeletons/celestial-circus/celestial-circus-pma.png b/spine-unity/Assets/Spine Examples/Spine Skeletons/celestial-circus/celestial-circus-pma.png
index 2b2b9ca1e..f4c3b1e51 100644
Binary files a/spine-unity/Assets/Spine Examples/Spine Skeletons/celestial-circus/celestial-circus-pma.png and b/spine-unity/Assets/Spine Examples/Spine Skeletons/celestial-circus/celestial-circus-pma.png differ
diff --git a/spine-unity/Assets/Spine Examples/Spine Skeletons/celestial-circus/celestial-circus-pro.json b/spine-unity/Assets/Spine Examples/Spine Skeletons/celestial-circus/celestial-circus-pro.json
index 1a7eebab0..97f203d18 100644
--- a/spine-unity/Assets/Spine Examples/Spine Skeletons/celestial-circus/celestial-circus-pro.json	
+++ b/spine-unity/Assets/Spine Examples/Spine Skeletons/celestial-circus/celestial-circus-pro.json	
@@ -1,7 +1,7 @@
 {
 "skeleton": {
-	"hash": "FsTlpSGjt5g",
-	"spine": "4.2.22",
+	"hash": "xjCHDkKvLDs",
+	"spine": "4.3.12-beta",
 	"x": -755,
 	"y": -556.02,
 	"width": 1332,
@@ -300,9 +300,44 @@
 		"name": "girl/face-control",
 		"order": 9,
 		"bones": [ "face-holder" ],
-		"target": "face-control",
+		"source": "face-control",
 		"x": 33.48,
 		"y": 16.63,
+		"properties": {
+			"rotate": {
+				"offset": 90,
+				"to": {
+					"rotate": { "offset": 90, "max": 190, "scale": 1 }
+				}
+			},
+			"x": {
+				"to": {
+					"x": { "max": 100, "scale": 1 }
+				}
+			},
+			"y": {
+				"to": {
+					"y": { "max": 100, "scale": 1 }
+				}
+			},
+			"scaleX": {
+				"offset": 1,
+				"to": {
+					"scaleX": { "offset": 1, "max": 2, "scale": 1 }
+				}
+			},
+			"scaleY": {
+				"offset": 1,
+				"to": {
+					"scaleY": { "offset": 1, "max": 2, "scale": 1 }
+				}
+			},
+			"shearY": {
+				"to": {
+					"shearY": { "max": 100, "scale": 1 }
+				}
+			}
+		},
 		"mixRotate": 0,
 		"mixX": 0.8,
 		"mixScaleX": 0,
@@ -312,9 +347,44 @@
 		"name": "girl/head-control",
 		"order": 8,
 		"bones": [ "face-inverse" ],
-		"target": "face-control",
+		"source": "face-control",
 		"x": 109.57,
 		"y": 251.66,
+		"properties": {
+			"rotate": {
+				"offset": 90,
+				"to": {
+					"rotate": { "offset": 90, "max": 190, "scale": 1 }
+				}
+			},
+			"x": {
+				"to": {
+					"x": { "max": 100, "scale": 1 }
+				}
+			},
+			"y": {
+				"to": {
+					"y": { "max": 100, "scale": 1 }
+				}
+			},
+			"scaleX": {
+				"offset": 1,
+				"to": {
+					"scaleX": { "offset": 1, "max": 2, "scale": 1 }
+				}
+			},
+			"scaleY": {
+				"offset": 1,
+				"to": {
+					"scaleY": { "offset": 1, "max": 2, "scale": 1 }
+				}
+			},
+			"shearY": {
+				"to": {
+					"shearY": { "max": 100, "scale": 1 }
+				}
+			}
+		},
 		"mixRotate": 0,
 		"mixX": -0.5,
 		"mixScaleX": 0,
@@ -324,9 +394,44 @@
 		"name": "girl/shoulders-perspective",
 		"order": 6,
 		"bones": [ "arm-back-up-holder" ],
-		"target": "arm-front-up-holder",
+		"source": "arm-front-up-holder",
 		"x": 25.8,
 		"y": -257.4,
+		"properties": {
+			"rotate": {
+				"offset": 90,
+				"to": {
+					"rotate": { "offset": 90, "max": 190, "scale": 1 }
+				}
+			},
+			"x": {
+				"to": {
+					"x": { "max": 100, "scale": 1 }
+				}
+			},
+			"y": {
+				"to": {
+					"y": { "max": 100, "scale": 1 }
+				}
+			},
+			"scaleX": {
+				"offset": 1,
+				"to": {
+					"scaleX": { "offset": 1, "max": 2, "scale": 1 }
+				}
+			},
+			"scaleY": {
+				"offset": 1,
+				"to": {
+					"scaleY": { "offset": 1, "max": 2, "scale": 1 }
+				}
+			},
+			"shearY": {
+				"to": {
+					"shearY": { "max": 100, "scale": 1 }
+				}
+			}
+		},
 		"mixRotate": 0,
 		"mixX": -1,
 		"mixScaleX": 0,
diff --git a/spine-unity/Assets/Spine Examples/Spine Skeletons/cloud-pot/cloud-pot-pma.atlas.txt b/spine-unity/Assets/Spine Examples/Spine Skeletons/cloud-pot/cloud-pot-pma.atlas.txt
index 9e401d294..36cc7220c 100644
--- a/spine-unity/Assets/Spine Examples/Spine Skeletons/cloud-pot/cloud-pot-pma.atlas.txt	
+++ b/spine-unity/Assets/Spine Examples/Spine Skeletons/cloud-pot/cloud-pot-pma.atlas.txt	
@@ -66,13 +66,13 @@ pot-mouth-smile
 pot-mouth-smile-big
 	bounds: 878, 352, 20, 9
 rain-blue
-	bounds: 926, 360, 12, 18
+	bounds: 900, 349, 12, 18
 	rotate: 90
 rain-color
 	bounds: 264, 4, 9, 17
 	rotate: 90
 rain-green
-	bounds: 900, 349, 12, 18
+	bounds: 741, 336, 12, 18
 	rotate: 90
 rain-white
 	bounds: 727, 337, 12, 22
@@ -83,4 +83,4 @@ stem
 	bounds: 907, 392, 8, 105
 	rotate: 90
 stem-end
-	bounds: 300, 62, 13, 13
+	bounds: 761, 335, 13, 13
diff --git a/spine-unity/Assets/Spine Examples/Spine Skeletons/cloud-pot/cloud-pot-pma.png b/spine-unity/Assets/Spine Examples/Spine Skeletons/cloud-pot/cloud-pot-pma.png
index 6557c449f..110eca694 100644
Binary files a/spine-unity/Assets/Spine Examples/Spine Skeletons/cloud-pot/cloud-pot-pma.png and b/spine-unity/Assets/Spine Examples/Spine Skeletons/cloud-pot/cloud-pot-pma.png differ
diff --git a/spine-unity/Assets/Spine Examples/Spine Skeletons/cloud-pot/cloud-pot.skel.bytes b/spine-unity/Assets/Spine Examples/Spine Skeletons/cloud-pot/cloud-pot.skel.bytes
index d25759cea..79990eab3 100644
Binary files a/spine-unity/Assets/Spine Examples/Spine Skeletons/cloud-pot/cloud-pot.skel.bytes and b/spine-unity/Assets/Spine Examples/Spine Skeletons/cloud-pot/cloud-pot.skel.bytes differ
diff --git a/spine-unity/Assets/Spine Examples/Spine Skeletons/mix-and-match/mix-and-match-pma.atlas.txt b/spine-unity/Assets/Spine Examples/Spine Skeletons/mix-and-match/mix-and-match-pma.atlas.txt
index b4cc35fa9..4cb708eb1 100644
--- a/spine-unity/Assets/Spine Examples/Spine Skeletons/mix-and-match/mix-and-match-pma.atlas.txt	
+++ b/spine-unity/Assets/Spine Examples/Spine Skeletons/mix-and-match/mix-and-match-pma.atlas.txt	
@@ -22,12 +22,13 @@ boy/body
 	bounds: 845, 413, 97, 132
 	rotate: 90
 boy/boot-ribbon-front
-	bounds: 234, 304, 9, 11
+	bounds: 309, 40, 9, 11
+	rotate: 90
 boy/collar
 	bounds: 471, 243, 73, 29
 	rotate: 90
 boy/ear
-	bounds: 991, 352, 19, 23
+	bounds: 901, 163, 19, 23
 	rotate: 90
 boy/eye-back-low-eyelid
 	bounds: 66, 72, 17, 6
@@ -35,16 +36,15 @@ boy/eye-back-pupil
 	bounds: 694, 279, 8, 9
 	rotate: 90
 boy/eye-back-up-eyelid
-	bounds: 460, 101, 23, 5
+	bounds: 309, 96, 23, 5
 	rotate: 90
 boy/eye-back-up-eyelid-back
 	bounds: 979, 414, 19, 10
 	rotate: 90
 boy/eye-front-low-eyelid
-	bounds: 1015, 203, 22, 7
-	rotate: 90
+	bounds: 316, 95, 22, 7
 boy/eye-front-pupil
-	bounds: 309, 50, 9, 9
+	bounds: 234, 306, 9, 9
 boy/eye-front-up-eyelid
 	bounds: 991, 373, 31, 6
 boy/eye-front-up-eyelid-back
@@ -53,16 +53,16 @@ boy/eye-front-up-eyelid-back
 boy/eye-iris-back
 	bounds: 810, 260, 17, 17
 boy/eye-iris-front
-	bounds: 902, 230, 18, 18
+	bounds: 316, 104, 18, 18
 boy/eye-white-back
-	bounds: 599, 179, 20, 12
+	bounds: 601, 179, 20, 12
 boy/eye-white-front
 	bounds: 544, 183, 27, 13
 boy/eyebrow-back
-	bounds: 1002, 225, 20, 11
+	bounds: 309, 51, 20, 11
 	rotate: 90
 boy/eyebrow-front
-	bounds: 975, 234, 25, 11
+	bounds: 997, 213, 25, 11
 boy/hair-back
 	bounds: 629, 289, 122, 81
 	rotate: 90
@@ -73,34 +73,41 @@ boy/hair-side
 	bounds: 979, 435, 25, 43
 	rotate: 90
 boy/hand-backfingers
-	bounds: 858, 183, 19, 21
+	bounds: 926, 163, 19, 21
+	rotate: 90
 boy/hand-front-fingers
-	bounds: 879, 183, 19, 21
+	bounds: 953, 183, 19, 21
+	rotate: 90
 boy/hat
 	bounds: 218, 121, 93, 56
 boy/leg-front
 	bounds: 85, 104, 31, 158
 boy/mouth-close
-	bounds: 467, 100, 21, 5
+	bounds: 309, 73, 21, 5
+	rotate: 90
 girl-blue-cape/mouth-close
-	bounds: 467, 100, 21, 5
+	bounds: 309, 73, 21, 5
+	rotate: 90
 girl-spring-dress/mouth-close
-	bounds: 467, 100, 21, 5
+	bounds: 309, 73, 21, 5
+	rotate: 90
 girl/mouth-close
-	bounds: 467, 100, 21, 5
+	bounds: 309, 73, 21, 5
+	rotate: 90
 boy/mouth-smile
 	bounds: 1015, 258, 29, 7
 	rotate: 90
 boy/nose
-	bounds: 323, 79, 17, 10
+	bounds: 335, 76, 17, 10
+	rotate: 90
 boy/pompom
 	bounds: 979, 462, 48, 43
 	rotate: 90
 boy/zip
-	bounds: 922, 231, 14, 23
+	bounds: 949, 167, 14, 23
 	rotate: 90
 girl-blue-cape/back-eyebrow
-	bounds: 527, 106, 18, 12
+	bounds: 322, 56, 18, 12
 	rotate: 90
 girl-blue-cape/body-dress
 	bounds: 2, 264, 109, 246
@@ -111,8 +118,7 @@ girl-blue-cape/cape-back
 girl-blue-cape/cape-back-up
 	bounds: 504, 305, 123, 106
 girl-blue-cape/cape-ribbon
-	bounds: 396, 118, 50, 18
-	rotate: 90
+	bounds: 901, 184, 50, 18
 girl-blue-cape/cape-shoulder-back
 	bounds: 420, 243, 49, 59
 girl-blue-cape/cape-shoulder-front
@@ -120,11 +126,14 @@ girl-blue-cape/cape-shoulder-front
 girl-blue-cape/cape-up-front
 	bounds: 118, 145, 98, 117
 girl-blue-cape/ear
-	bounds: 837, 181, 19, 23
+	bounds: 991, 352, 19, 23
+	rotate: 90
 girl-spring-dress/ear
-	bounds: 837, 181, 19, 23
+	bounds: 991, 352, 19, 23
+	rotate: 90
 girl/ear
-	bounds: 837, 181, 19, 23
+	bounds: 991, 352, 19, 23
+	rotate: 90
 girl-blue-cape/eye-back-low-eyelid
 	bounds: 810, 252, 17, 6
 girl-spring-dress/eye-back-low-eyelid
@@ -132,28 +141,25 @@ girl-spring-dress/eye-back-low-eyelid
 girl/eye-back-low-eyelid
 	bounds: 810, 252, 17, 6
 girl-blue-cape/eye-back-pupil
-	bounds: 309, 40, 8, 9
-	rotate: 90
+	bounds: 536, 169, 8, 9
 girl-spring-dress/eye-back-pupil
-	bounds: 309, 40, 8, 9
-	rotate: 90
+	bounds: 536, 169, 8, 9
 girl/eye-back-pupil
-	bounds: 309, 40, 8, 9
-	rotate: 90
+	bounds: 536, 169, 8, 9
 girl-blue-cape/eye-back-up-eyelid
-	bounds: 573, 179, 24, 12
+	bounds: 974, 167, 24, 12
 girl-spring-dress/eye-back-up-eyelid
-	bounds: 573, 179, 24, 12
+	bounds: 974, 167, 24, 12
 girl/eye-back-up-eyelid
-	bounds: 573, 179, 24, 12
+	bounds: 974, 167, 24, 12
 girl-blue-cape/eye-back-up-eyelid-back
-	bounds: 380, 105, 17, 11
+	bounds: 336, 57, 17, 11
 	rotate: 90
 girl-spring-dress/eye-back-up-eyelid-back
-	bounds: 380, 105, 17, 11
+	bounds: 336, 57, 17, 11
 	rotate: 90
 girl/eye-back-up-eyelid-back
-	bounds: 380, 105, 17, 11
+	bounds: 336, 57, 17, 11
 	rotate: 90
 girl-blue-cape/eye-front-low-eyelid
 	bounds: 1016, 353, 18, 6
@@ -165,11 +171,11 @@ girl/eye-front-low-eyelid
 	bounds: 1016, 353, 18, 6
 	rotate: 90
 girl-blue-cape/eye-front-pupil
-	bounds: 363, 94, 9, 9
+	bounds: 983, 156, 9, 9
 girl-spring-dress/eye-front-pupil
-	bounds: 363, 94, 9, 9
+	bounds: 983, 156, 9, 9
 girl/eye-front-pupil
-	bounds: 363, 94, 9, 9
+	bounds: 983, 156, 9, 9
 girl-blue-cape/eye-front-up-eyelid
 	bounds: 679, 413, 30, 14
 	rotate: 90
@@ -180,27 +186,27 @@ girl/eye-front-up-eyelid
 	bounds: 679, 413, 30, 14
 	rotate: 90
 girl-blue-cape/eye-front-up-eyelid-back
-	bounds: 947, 234, 26, 11
+	bounds: 573, 180, 26, 11
 girl-spring-dress/eye-front-up-eyelid-back
-	bounds: 947, 234, 26, 11
+	bounds: 573, 180, 26, 11
 girl/eye-front-up-eyelid-back
-	bounds: 947, 234, 26, 11
+	bounds: 573, 180, 26, 11
 girl-blue-cape/eye-iris-back
-	bounds: 323, 105, 17, 17
+	bounds: 316, 76, 17, 17
 girl-blue-cape/eye-iris-front
-	bounds: 467, 107, 18, 18
+	bounds: 336, 104, 18, 18
 girl-blue-cape/eye-white-back
-	bounds: 621, 175, 20, 16
+	bounds: 623, 175, 20, 16
 girl-spring-dress/eye-white-back
-	bounds: 621, 175, 20, 16
+	bounds: 623, 175, 20, 16
 girl-blue-cape/eye-white-front
-	bounds: 643, 175, 20, 16
+	bounds: 645, 175, 20, 16
 girl-spring-dress/eye-white-front
-	bounds: 643, 175, 20, 16
+	bounds: 645, 175, 20, 16
 girl/eye-white-front
-	bounds: 643, 175, 20, 16
+	bounds: 645, 175, 20, 16
 girl-blue-cape/front-eyebrow
-	bounds: 309, 101, 18, 12
+	bounds: 322, 36, 18, 12
 	rotate: 90
 girl-blue-cape/hair-back
 	bounds: 712, 317, 117, 98
@@ -210,34 +216,32 @@ girl-blue-cape/hair-bangs
 girl-blue-cape/hair-head-side-back
 	bounds: 544, 198, 30, 52
 girl-blue-cape/hair-head-side-front
-	bounds: 466, 127, 41, 42
+	bounds: 866, 206, 41, 42
 girl-blue-cape/hair-side
 	bounds: 175, 2, 36, 71
 	rotate: 90
 girl-blue-cape/hand-front-fingers
-	bounds: 902, 207, 19, 21
+	bounds: 976, 181, 19, 21
 girl-spring-dress/hand-front-fingers
-	bounds: 902, 207, 19, 21
+	bounds: 976, 181, 19, 21
 girl-blue-cape/leg-front
 	bounds: 519, 413, 30, 158
 	rotate: 90
 girl-blue-cape/mouth-smile
-	bounds: 1015, 227, 29, 7
-	rotate: 90
+	bounds: 505, 171, 29, 7
 girl-spring-dress/mouth-smile
-	bounds: 1015, 227, 29, 7
-	rotate: 90
+	bounds: 505, 171, 29, 7
 girl/mouth-smile
-	bounds: 1015, 227, 29, 7
-	rotate: 90
+	bounds: 505, 171, 29, 7
 girl-blue-cape/nose
-	bounds: 342, 82, 11, 7
+	bounds: 546, 174, 11, 7
 girl-spring-dress/nose
-	bounds: 342, 82, 11, 7
+	bounds: 546, 174, 11, 7
 girl/nose
-	bounds: 342, 82, 11, 7
+	bounds: 546, 174, 11, 7
 girl-blue-cape/sleeve-back
-	bounds: 416, 95, 42, 29
+	bounds: 870, 162, 42, 29
+	rotate: 90
 girl-blue-cape/sleeve-front
 	bounds: 249, 303, 52, 119
 	rotate: 90
@@ -245,7 +249,7 @@ girl-spring-dress/arm-front
 	bounds: 829, 292, 17, 111
 	rotate: 90
 girl-spring-dress/back-eyebrow
-	bounds: 309, 81, 18, 12
+	bounds: 321, 16, 18, 12
 	rotate: 90
 girl-spring-dress/body-up
 	bounds: 66, 2, 64, 66
@@ -254,19 +258,20 @@ girl-spring-dress/cloak-down
 girl-spring-dress/cloak-up
 	bounds: 628, 229, 64, 58
 girl-spring-dress/eye-iris-back
-	bounds: 342, 105, 17, 17
+	bounds: 336, 38, 17, 17
 girl-spring-dress/eye-iris-front
-	bounds: 487, 107, 18, 18
+	bounds: 356, 104, 18, 18
 girl-spring-dress/front-eyebrow
-	bounds: 323, 91, 18, 12
+	bounds: 321, 2, 18, 12
 girl-spring-dress/hair-back
 	bounds: 370, 417, 147, 93
 girl-spring-dress/hair-bangs
 	bounds: 829, 250, 91, 40
 girl-spring-dress/hair-head-side-back
-	bounds: 509, 126, 30, 52
+	bounds: 991, 381, 30, 52
 girl-spring-dress/hair-head-side-front
-	bounds: 816, 206, 41, 42
+	bounds: 909, 204, 41, 42
+	rotate: 90
 girl-spring-dress/hair-side
 	bounds: 248, 2, 36, 71
 	rotate: 90
@@ -286,7 +291,7 @@ girl/arm-front
 	bounds: 712, 279, 36, 115
 	rotate: 90
 girl/back-eyebrow
-	bounds: 309, 61, 18, 12
+	bounds: 335, 16, 18, 12
 	rotate: 90
 girl/bag-base
 	bounds: 694, 219, 62, 58
@@ -299,15 +304,15 @@ girl/body
 	bounds: 370, 318, 97, 132
 	rotate: 90
 girl/boot-ribbon-front
-	bounds: 323, 64, 13, 13
+	bounds: 968, 152, 13, 13
 girl/eye-iris-back
-	bounds: 361, 105, 17, 17
+	bounds: 949, 148, 17, 17
 girl/eye-iris-front
-	bounds: 507, 106, 18, 18
+	bounds: 376, 104, 18, 18
 girl/eye-white-back
-	bounds: 665, 175, 20, 16
+	bounds: 667, 175, 20, 16
 girl/front-eyebrow
-	bounds: 343, 91, 18, 12
+	bounds: 341, 2, 18, 12
 girl/hair-back
 	bounds: 696, 417, 147, 93
 girl/hair-bangs
@@ -316,9 +321,11 @@ girl/hair-flap-down-front
 	bounds: 415, 171, 70, 65
 	rotate: 90
 girl/hair-head-side-back
-	bounds: 991, 381, 30, 52
+	bounds: 816, 173, 30, 52
+	rotate: 90
 girl/hair-head-side-front
-	bounds: 859, 206, 41, 42
+	bounds: 953, 204, 41, 42
+	rotate: 90
 girl/hair-patch
 	bounds: 132, 2, 66, 41
 	rotate: 90
@@ -343,17 +350,18 @@ girl/hair-strand-front-3
 	bounds: 313, 124, 44, 81
 	rotate: 90
 girl/hand-front-fingers
-	bounds: 923, 208, 19, 21
+	bounds: 997, 190, 19, 21
 girl/hat
 	bounds: 218, 179, 93, 82
 girl/leg-front
 	bounds: 831, 349, 30, 158
 	rotate: 90
 girl/pompom
-	bounds: 416, 126, 48, 43
+	bounds: 816, 205, 48, 43
 girl/scarf
 	bounds: 113, 264, 119, 51
 girl/scarf-back
 	bounds: 502, 252, 72, 51
 girl/zip
-	bounds: 816, 179, 19, 25
+	bounds: 997, 226, 19, 25
+	rotate: 90
diff --git a/spine-unity/Assets/Spine Examples/Spine Skeletons/mix-and-match/mix-and-match-pma.png b/spine-unity/Assets/Spine Examples/Spine Skeletons/mix-and-match/mix-and-match-pma.png
index b286cbfae..adf1599d7 100644
Binary files a/spine-unity/Assets/Spine Examples/Spine Skeletons/mix-and-match/mix-and-match-pma.png and b/spine-unity/Assets/Spine Examples/Spine Skeletons/mix-and-match/mix-and-match-pma.png differ
diff --git a/spine-unity/Assets/Spine Examples/Spine Skeletons/mix-and-match/mix-and-match-pro.json b/spine-unity/Assets/Spine Examples/Spine Skeletons/mix-and-match/mix-and-match-pro.json
index 1b98ebbed..6f892c16c 100644
--- a/spine-unity/Assets/Spine Examples/Spine Skeletons/mix-and-match/mix-and-match-pro.json	
+++ b/spine-unity/Assets/Spine Examples/Spine Skeletons/mix-and-match/mix-and-match-pro.json	
@@ -1,7 +1,7 @@
 {
 "skeleton": {
-	"hash": "tNX0Pe3Kdo0",
-	"spine": "4.2.22",
+	"hash": "gedvil/DzIQ",
+	"spine": "4.3.12-beta",
 	"x": -240.58,
 	"y": -3.38,
 	"width": 410.36,
@@ -1039,7 +1039,41 @@
 		"name": "eye-back-pupil",
 		"order": 12,
 		"bones": [ "eye-back-iris" ],
-		"target": "eye-back-pupil",
+		"source": "eye-back-pupil",
+		"properties": {
+			"rotate": {
+				"to": {
+					"rotate": { "max": 100, "scale": 1 }
+				}
+			},
+			"x": {
+				"to": {
+					"x": { "max": 100, "scale": 1 }
+				}
+			},
+			"y": {
+				"to": {
+					"y": { "max": 100, "scale": 1 }
+				}
+			},
+			"scaleX": {
+				"offset": 1,
+				"to": {
+					"scaleX": { "offset": 1, "max": 2, "scale": 1 }
+				}
+			},
+			"scaleY": {
+				"offset": 1,
+				"to": {
+					"scaleY": { "offset": 1, "max": 2, "scale": 1 }
+				}
+			},
+			"shearY": {
+				"to": {
+					"shearY": { "max": 100, "scale": 1 }
+				}
+			}
+		},
 		"mixRotate": 0,
 		"mixX": 0.4,
 		"mixScaleX": 0,
@@ -1049,7 +1083,41 @@
 		"name": "eye-front-pupil",
 		"order": 11,
 		"bones": [ "eye-front-iris" ],
-		"target": "eye-front-pupil",
+		"source": "eye-front-pupil",
+		"properties": {
+			"rotate": {
+				"to": {
+					"rotate": { "max": 100, "scale": 1 }
+				}
+			},
+			"x": {
+				"to": {
+					"x": { "max": 100, "scale": 1 }
+				}
+			},
+			"y": {
+				"to": {
+					"y": { "max": 100, "scale": 1 }
+				}
+			},
+			"scaleX": {
+				"offset": 1,
+				"to": {
+					"scaleX": { "offset": 1, "max": 2, "scale": 1 }
+				}
+			},
+			"scaleY": {
+				"offset": 1,
+				"to": {
+					"scaleY": { "offset": 1, "max": 2, "scale": 1 }
+				}
+			},
+			"shearY": {
+				"to": {
+					"shearY": { "max": 100, "scale": 1 }
+				}
+			}
+		},
 		"mixRotate": 0,
 		"mixX": 0.4,
 		"mixScaleX": 0,
@@ -1059,7 +1127,41 @@
 		"name": "eye-transform",
 		"order": 7,
 		"bones": [ "features-control" ],
-		"target": "head-control",
+		"source": "head-control",
+		"properties": {
+			"rotate": {
+				"to": {
+					"rotate": { "max": 100, "scale": 1 }
+				}
+			},
+			"x": {
+				"to": {
+					"x": { "max": 100, "scale": 1 }
+				}
+			},
+			"y": {
+				"to": {
+					"y": { "max": 100, "scale": 1 }
+				}
+			},
+			"scaleX": {
+				"offset": 1,
+				"to": {
+					"scaleX": { "offset": 1, "max": 2, "scale": 1 }
+				}
+			},
+			"scaleY": {
+				"offset": 1,
+				"to": {
+					"scaleY": { "offset": 1, "max": 2, "scale": 1 }
+				}
+			},
+			"shearY": {
+				"to": {
+					"shearY": { "max": 100, "scale": 1 }
+				}
+			}
+		},
 		"mixRotate": 0,
 		"mixX": 0.2,
 		"mixScaleX": 0,
@@ -1069,10 +1171,43 @@
 		"name": "hair-side-back",
 		"order": 9,
 		"bones": [ "hair-side-back" ],
-		"target": "head-back-control",
-		"rotation": -62.21,
+		"source": "head-back-control",
 		"x": 132.47,
 		"y": 46.72,
+		"properties": {
+			"rotate": {
+				"to": {
+					"rotate": { "offset": -62.2, "max": 37.8, "scale": 1 }
+				}
+			},
+			"x": {
+				"to": {
+					"x": { "max": 100, "scale": 1 }
+				}
+			},
+			"y": {
+				"to": {
+					"y": { "max": 100, "scale": 1 }
+				}
+			},
+			"scaleX": {
+				"offset": 1,
+				"to": {
+					"scaleX": { "offset": 1, "max": 2, "scale": 1 }
+				}
+			},
+			"scaleY": {
+				"offset": 1,
+				"to": {
+					"scaleY": { "offset": 1, "max": 2, "scale": 1 }
+				}
+			},
+			"shearY": {
+				"to": {
+					"shearY": { "max": 100, "scale": 1 }
+				}
+			}
+		},
 		"mixRotate": 0,
 		"mixX": 0.05,
 		"mixScaleX": 0,
@@ -1082,10 +1217,43 @@
 		"name": "hair-side-front-control",
 		"order": 8,
 		"bones": [ "hair-side-front" ],
-		"target": "head-control",
-		"rotation": -80.89,
+		"source": "head-control",
 		"x": -102.78,
 		"y": 27.17,
+		"properties": {
+			"rotate": {
+				"to": {
+					"rotate": { "offset": -80.88, "max": 19.12, "scale": 1 }
+				}
+			},
+			"x": {
+				"to": {
+					"x": { "max": 100, "scale": 1 }
+				}
+			},
+			"y": {
+				"to": {
+					"y": { "max": 100, "scale": 1 }
+				}
+			},
+			"scaleX": {
+				"offset": 1,
+				"to": {
+					"scaleX": { "offset": 1, "max": 2, "scale": 1 }
+				}
+			},
+			"scaleY": {
+				"offset": 1,
+				"to": {
+					"scaleY": { "offset": 1, "max": 2, "scale": 1 }
+				}
+			},
+			"shearY": {
+				"to": {
+					"shearY": { "max": 100, "scale": 1 }
+				}
+			}
+		},
 		"mixRotate": 0,
 		"mixX": 0.15,
 		"mixScaleX": 0,
@@ -1096,11 +1264,43 @@
 		"order": 10,
 		"skin": true,
 		"bones": [ "hat-control" ],
-		"target": "head-control",
-		"rotation": 95.63,
+		"source": "head-control",
 		"x": -78.91,
 		"y": 123.01,
-		"shearY": -36,
+		"properties": {
+			"rotate": {
+				"to": {
+					"rotate": { "offset": 95.64, "max": 195.64, "scale": 1 }
+				}
+			},
+			"x": {
+				"to": {
+					"x": { "max": 100, "scale": 1 }
+				}
+			},
+			"y": {
+				"to": {
+					"y": { "max": 100, "scale": 1 }
+				}
+			},
+			"scaleX": {
+				"offset": 1,
+				"to": {
+					"scaleX": { "offset": 1, "max": 2, "scale": 1 }
+				}
+			},
+			"scaleY": {
+				"offset": 1,
+				"to": {
+					"scaleY": { "offset": 1, "max": 2, "scale": 1 }
+				}
+			},
+			"shearY": {
+				"to": {
+					"shearY": { "offset": -36, "max": 64, "scale": 1 }
+				}
+			}
+		},
 		"mixRotate": 0,
 		"mixX": 0.6,
 		"mixScaleX": 0,
@@ -1110,8 +1310,42 @@
 		"name": "head-control",
 		"order": 6,
 		"bones": [ "head-back-control" ],
-		"target": "head-control",
+		"source": "head-control",
 		"x": -88.92,
+		"properties": {
+			"rotate": {
+				"to": {
+					"rotate": { "max": 100, "scale": 1 }
+				}
+			},
+			"x": {
+				"to": {
+					"x": { "max": 100, "scale": 1 }
+				}
+			},
+			"y": {
+				"to": {
+					"y": { "max": 100, "scale": 1 }
+				}
+			},
+			"scaleX": {
+				"offset": 1,
+				"to": {
+					"scaleX": { "offset": 1, "max": 2, "scale": 1 }
+				}
+			},
+			"scaleY": {
+				"offset": 1,
+				"to": {
+					"scaleY": { "offset": 1, "max": 2, "scale": 1 }
+				}
+			},
+			"shearY": {
+				"to": {
+					"shearY": { "max": 100, "scale": 1 }
+				}
+			}
+		},
 		"mixRotate": 0,
 		"mixX": -1,
 		"mixScaleX": 0,
@@ -1122,9 +1356,44 @@
 		"order": 18,
 		"skin": true,
 		"bones": [ "dress-control-foot-back" ],
-		"target": "leg-down-back",
+		"source": "leg-down-back",
 		"x": 132.85,
 		"y": 58.02,
+		"properties": {
+			"rotate": {
+				"offset": -92.95,
+				"to": {
+					"rotate": { "offset": -92.95, "max": 7.05, "scale": 1 }
+				}
+			},
+			"x": {
+				"to": {
+					"x": { "max": 100, "scale": 1 }
+				}
+			},
+			"y": {
+				"to": {
+					"y": { "max": 100, "scale": 1 }
+				}
+			},
+			"scaleX": {
+				"offset": 1,
+				"to": {
+					"scaleX": { "offset": 1, "max": 2, "scale": 1 }
+				}
+			},
+			"scaleY": {
+				"offset": 1,
+				"to": {
+					"scaleY": { "offset": 1, "max": 2, "scale": 1 }
+				}
+			},
+			"shearY": {
+				"to": {
+					"shearY": { "max": 100, "scale": 1 }
+				}
+			}
+		},
 		"mixScaleX": 0,
 		"mixShearY": 0
 	},
@@ -1133,9 +1402,44 @@
 		"order": 19,
 		"skin": true,
 		"bones": [ "dress-control-leg-down-back" ],
-		"target": "leg-down-back",
+		"source": "leg-down-back",
 		"x": 17.25,
 		"y": 41.79,
+		"properties": {
+			"rotate": {
+				"offset": -92.95,
+				"to": {
+					"rotate": { "offset": -92.95, "max": 7.05, "scale": 1 }
+				}
+			},
+			"x": {
+				"to": {
+					"x": { "max": 100, "scale": 1 }
+				}
+			},
+			"y": {
+				"to": {
+					"y": { "max": 100, "scale": 1 }
+				}
+			},
+			"scaleX": {
+				"offset": 1,
+				"to": {
+					"scaleX": { "offset": 1, "max": 2, "scale": 1 }
+				}
+			},
+			"scaleY": {
+				"offset": 1,
+				"to": {
+					"scaleY": { "offset": 1, "max": 2, "scale": 1 }
+				}
+			},
+			"shearY": {
+				"to": {
+					"shearY": { "max": 100, "scale": 1 }
+				}
+			}
+		},
 		"mixScaleX": 0,
 		"mixShearY": 0
 	},
@@ -1144,9 +1448,44 @@
 		"order": 17,
 		"skin": true,
 		"bones": [ "dress-control-foot-front" ],
-		"target": "leg-down",
+		"source": "leg-down",
 		"x": 147.87,
 		"y": -60.85,
+		"properties": {
+			"rotate": {
+				"offset": -98.06,
+				"to": {
+					"rotate": { "offset": -98.06, "max": 1.94, "scale": 1 }
+				}
+			},
+			"x": {
+				"to": {
+					"x": { "max": 100, "scale": 1 }
+				}
+			},
+			"y": {
+				"to": {
+					"y": { "max": 100, "scale": 1 }
+				}
+			},
+			"scaleX": {
+				"offset": 1,
+				"to": {
+					"scaleX": { "offset": 1, "max": 2, "scale": 1 }
+				}
+			},
+			"scaleY": {
+				"offset": 1,
+				"to": {
+					"scaleY": { "offset": 1, "max": 2, "scale": 1 }
+				}
+			},
+			"shearY": {
+				"to": {
+					"shearY": { "max": 100, "scale": 1 }
+				}
+			}
+		},
 		"mixScaleX": 0,
 		"mixShearY": 0
 	},
@@ -1155,9 +1494,44 @@
 		"order": 16,
 		"skin": true,
 		"bones": [ "dress-control-leg-down-front" ],
-		"target": "leg-down",
+		"source": "leg-down",
 		"x": 23.51,
 		"y": -48.52,
+		"properties": {
+			"rotate": {
+				"offset": -98.06,
+				"to": {
+					"rotate": { "offset": -98.06, "max": 1.94, "scale": 1 }
+				}
+			},
+			"x": {
+				"to": {
+					"x": { "max": 100, "scale": 1 }
+				}
+			},
+			"y": {
+				"to": {
+					"y": { "max": 100, "scale": 1 }
+				}
+			},
+			"scaleX": {
+				"offset": 1,
+				"to": {
+					"scaleX": { "offset": 1, "max": 2, "scale": 1 }
+				}
+			},
+			"scaleY": {
+				"offset": 1,
+				"to": {
+					"scaleY": { "offset": 1, "max": 2, "scale": 1 }
+				}
+			},
+			"shearY": {
+				"to": {
+					"shearY": { "max": 100, "scale": 1 }
+				}
+			}
+		},
 		"mixScaleX": 0,
 		"mixShearY": 0
 	},
@@ -1166,9 +1540,44 @@
 		"order": 15,
 		"skin": true,
 		"bones": [ "dress-control-leg-up-front" ],
-		"target": "leg-up",
+		"source": "leg-up",
 		"x": 130.03,
 		"y": -50.13,
+		"properties": {
+			"rotate": {
+				"offset": -91.9,
+				"to": {
+					"rotate": { "offset": -91.9, "max": 8.1, "scale": 1 }
+				}
+			},
+			"x": {
+				"to": {
+					"x": { "max": 100, "scale": 1 }
+				}
+			},
+			"y": {
+				"to": {
+					"y": { "max": 100, "scale": 1 }
+				}
+			},
+			"scaleX": {
+				"offset": 1,
+				"to": {
+					"scaleX": { "offset": 1, "max": 2, "scale": 1 }
+				}
+			},
+			"scaleY": {
+				"offset": 1,
+				"to": {
+					"scaleY": { "offset": 1, "max": 2, "scale": 1 }
+				}
+			},
+			"shearY": {
+				"to": {
+					"shearY": { "max": 100, "scale": 1 }
+				}
+			}
+		},
 		"mixScaleX": 0,
 		"mixShearY": 0
 	},
@@ -1177,9 +1586,44 @@
 		"order": 14,
 		"skin": true,
 		"bones": [ "dress-control-leg-up-back" ],
-		"target": "leg-up-back",
+		"source": "leg-up-back",
 		"x": 129.36,
 		"y": 40.42,
+		"properties": {
+			"rotate": {
+				"offset": -89.47,
+				"to": {
+					"rotate": { "offset": -89.47, "max": 10.53, "scale": 1 }
+				}
+			},
+			"x": {
+				"to": {
+					"x": { "max": 100, "scale": 1 }
+				}
+			},
+			"y": {
+				"to": {
+					"y": { "max": 100, "scale": 1 }
+				}
+			},
+			"scaleX": {
+				"offset": 1,
+				"to": {
+					"scaleX": { "offset": 1, "max": 2, "scale": 1 }
+				}
+			},
+			"scaleY": {
+				"offset": 1,
+				"to": {
+					"scaleY": { "offset": 1, "max": 2, "scale": 1 }
+				}
+			},
+			"shearY": {
+				"to": {
+					"shearY": { "max": 100, "scale": 1 }
+				}
+			}
+		},
 		"mixScaleX": 0,
 		"mixShearY": 0
 	},
@@ -1187,10 +1631,44 @@
 		"name": "shoulder-back",
 		"order": 22,
 		"bones": [ "shoulder-back-transform" ],
-		"target": "arm-back-up",
-		"rotation": 180,
+		"source": "arm-back-up",
 		"x": -14.41,
 		"y": -46.12,
+		"properties": {
+			"rotate": {
+				"offset": -90,
+				"to": {
+					"rotate": { "offset": 90, "max": 190, "scale": 1 }
+				}
+			},
+			"x": {
+				"to": {
+					"x": { "max": 100, "scale": 1 }
+				}
+			},
+			"y": {
+				"to": {
+					"y": { "max": 100, "scale": 1 }
+				}
+			},
+			"scaleX": {
+				"offset": 1,
+				"to": {
+					"scaleX": { "offset": 1, "max": 2, "scale": 1 }
+				}
+			},
+			"scaleY": {
+				"offset": 1,
+				"to": {
+					"scaleY": { "offset": 1, "max": 2, "scale": 1 }
+				}
+			},
+			"shearY": {
+				"to": {
+					"shearY": { "max": 100, "scale": 1 }
+				}
+			}
+		},
 		"mixRotate": 0.18,
 		"mixX": 0,
 		"mixScaleX": 0,
@@ -1200,10 +1678,44 @@
 		"name": "shoulder-front",
 		"order": 21,
 		"bones": [ "shouder-front-transform" ],
-		"target": "arm-front-up",
-		"rotation": 90,
+		"source": "arm-front-up",
 		"x": -24.78,
 		"y": 29.54,
+		"properties": {
+			"rotate": {
+				"offset": -90,
+				"to": {
+					"rotate": { "max": 100, "scale": 1 }
+				}
+			},
+			"x": {
+				"to": {
+					"x": { "max": 100, "scale": 1 }
+				}
+			},
+			"y": {
+				"to": {
+					"y": { "max": 100, "scale": 1 }
+				}
+			},
+			"scaleX": {
+				"offset": 1,
+				"to": {
+					"scaleX": { "offset": 1, "max": 2, "scale": 1 }
+				}
+			},
+			"scaleY": {
+				"offset": 1,
+				"to": {
+					"scaleY": { "offset": 1, "max": 2, "scale": 1 }
+				}
+			},
+			"shearY": {
+				"to": {
+					"shearY": { "max": 100, "scale": 1 }
+				}
+			}
+		},
 		"mixRotate": 0.186,
 		"mixX": 0,
 		"mixScaleX": 0,
@@ -1214,11 +1726,42 @@
 		"order": 20,
 		"skin": true,
 		"bones": [ "skirt-control-back" ],
-		"target": "skirt-rotation-back",
-		"rotation": 114.82,
+		"source": "skirt-rotation-back",
 		"x": 148.43,
 		"y": -0.72,
-		"shearY": -36,
+		"properties": {
+			"rotate": {
+				"to": {
+					"rotate": { "offset": 114.82, "max": 214.82, "scale": 1 }
+				}
+			},
+			"x": {
+				"to": {
+					"x": { "max": 100, "scale": 1 }
+				}
+			},
+			"y": {
+				"to": {
+					"y": { "max": 100, "scale": 1 }
+				}
+			},
+			"scaleX": {
+				"to": {
+					"scaleX": { "scale": 1 }
+				}
+			},
+			"scaleY": {
+				"to": {
+					"scaleY": { "scale": 1 }
+				}
+			},
+			"shearY": {
+				"offset": -90,
+				"to": {
+					"shearY": { "offset": -126, "max": -26, "scale": 1 }
+				}
+			}
+		},
 		"mixX": 0.7,
 		"mixScaleX": 0,
 		"mixShearY": 0
@@ -1228,11 +1771,42 @@
 		"order": 13,
 		"skin": true,
 		"bones": [ "skirt-control-front" ],
-		"target": "skirt-rotation-front",
-		"rotation": 242.6,
+		"source": "skirt-rotation-front",
 		"x": 141.99,
 		"y": 2.23,
-		"shearY": -36,
+		"properties": {
+			"rotate": {
+				"to": {
+					"rotate": { "offset": 242.6, "max": 342.6, "scale": 1 }
+				}
+			},
+			"x": {
+				"to": {
+					"x": { "max": 100, "scale": 1 }
+				}
+			},
+			"y": {
+				"to": {
+					"y": { "max": 100, "scale": 1 }
+				}
+			},
+			"scaleX": {
+				"to": {
+					"scaleX": { "scale": 1 }
+				}
+			},
+			"scaleY": {
+				"to": {
+					"scaleY": { "scale": 1 }
+				}
+			},
+			"shearY": {
+				"offset": -90,
+				"to": {
+					"shearY": { "offset": -126, "max": -26, "scale": 1 }
+				}
+			}
+		},
 		"mixX": 0.7,
 		"mixScaleX": 0,
 		"mixShearY": 0
@@ -1243,7 +1817,7 @@
 		"name": "arm-back",
 		"order": 4,
 		"bones": [ "arm-back-up-2", "arm-back-up-3", "arm-back-up-4", "arm-back-up-5", "arm-back-up-6", "arm-back-up-7" ],
-		"target": "arm-back-path",
+		"slot": "arm-back-path",
 		"spacingMode": "percent",
 		"rotateMode": "chainScale",
 		"spacing": 0.1667
@@ -1252,7 +1826,7 @@
 		"name": "arm-front",
 		"order": 2,
 		"bones": [ "arm-front-up-2", "arm-front-up-6", "arm-front-up-5", "arm-front-up-4", "arm-front-up-3", "arm-front-up-7" ],
-		"target": "arm-front-path",
+		"slot": "arm-front-path",
 		"spacingMode": "percent",
 		"rotateMode": "chainScale",
 		"spacing": 0.1667
@@ -1261,7 +1835,7 @@
 		"name": "leg-back",
 		"order": 5,
 		"bones": [ "leg-back-8", "leg-back-7", "leg-back-6", "leg-back-5", "leg-back-4", "leg-back-3", "leg-back-2", "leg-back-1" ],
-		"target": "leg-back-path",
+		"slot": "leg-back-path",
 		"spacingMode": "percent",
 		"rotateMode": "chainScale",
 		"spacing": 0.125
@@ -1270,7 +1844,7 @@
 		"name": "leg-front",
 		"order": 3,
 		"bones": [ "leg-front-1", "leg-front-2", "leg-front-3", "leg-front-4", "leg-front-5", "leg-front-6", "leg-front-7", "leg-front-8" ],
-		"target": "leg-front-path",
+		"slot": "leg-front-path",
 		"spacingMode": "percent",
 		"rotateMode": "chainScale",
 		"spacing": 0.125
diff --git a/spine-unity/Assets/Spine Examples/Spine Skeletons/raptor-pro-and-mask/raptor-pro.json b/spine-unity/Assets/Spine Examples/Spine Skeletons/raptor-pro-and-mask/raptor-pro.json
index 17fc3ae8a..24a4bf6ce 100644
--- a/spine-unity/Assets/Spine Examples/Spine Skeletons/raptor-pro-and-mask/raptor-pro.json	
+++ b/spine-unity/Assets/Spine Examples/Spine Skeletons/raptor-pro-and-mask/raptor-pro.json	
@@ -1,7 +1,7 @@
 {
 "skeleton": {
 	"hash": "PlcXzl8RAT8",
-	"spine": "4.2.22",
+	"spine": "4.3.12-beta",
 	"x": -809.16,
 	"y": -73.54,
 	"width": 1287.65,
diff --git a/spine-unity/Assets/Spine Examples/Spine Skeletons/sack/sack-pro.skel.bytes b/spine-unity/Assets/Spine Examples/Spine Skeletons/sack/sack-pro.skel.bytes
index 831a77301..1de73f448 100644
Binary files a/spine-unity/Assets/Spine Examples/Spine Skeletons/sack/sack-pro.skel.bytes and b/spine-unity/Assets/Spine Examples/Spine Skeletons/sack/sack-pro.skel.bytes differ
diff --git a/spine-unity/Assets/Spine Examples/Spine Skeletons/snowglobe/snowglobe-pma.atlas.txt b/spine-unity/Assets/Spine Examples/Spine Skeletons/snowglobe/snowglobe-pma.atlas.txt
index fda6cd335..d128f9382 100644
--- a/spine-unity/Assets/Spine Examples/Spine Skeletons/snowglobe/snowglobe-pma.atlas.txt	
+++ b/spine-unity/Assets/Spine Examples/Spine Skeletons/snowglobe/snowglobe-pma.atlas.txt	
@@ -152,7 +152,7 @@ leg-down-r
 pupil-l
 	bounds: 51, 2, 32, 32
 pupil-r
-	bounds: 85, 2, 32, 32
+	bounds: 939, 859, 32, 32
 red-present-decoration
 	bounds: 426, 99, 41, 40
 scarf-pompom-l
diff --git a/spine-unity/Assets/Spine Examples/Spine Skeletons/snowglobe/snowglobe-pma_2.png b/spine-unity/Assets/Spine Examples/Spine Skeletons/snowglobe/snowglobe-pma_2.png
index a0bfc0869..c0c906544 100644
Binary files a/spine-unity/Assets/Spine Examples/Spine Skeletons/snowglobe/snowglobe-pma_2.png and b/spine-unity/Assets/Spine Examples/Spine Skeletons/snowglobe/snowglobe-pma_2.png differ
diff --git a/spine-unity/Assets/Spine Examples/Spine Skeletons/snowglobe/snowglobe-pro.skel.bytes b/spine-unity/Assets/Spine Examples/Spine Skeletons/snowglobe/snowglobe-pro.skel.bytes
index a7a825479..4530d4bfe 100644
Binary files a/spine-unity/Assets/Spine Examples/Spine Skeletons/snowglobe/snowglobe-pro.skel.bytes and b/spine-unity/Assets/Spine Examples/Spine Skeletons/snowglobe/snowglobe-pro.skel.bytes differ
diff --git a/spine-unity/Assets/Spine Examples/Spine Skeletons/spineboy-pro/spineboy-pro.json b/spine-unity/Assets/Spine Examples/Spine Skeletons/spineboy-pro/spineboy-pro.json
index 64b4b086c..caaeda113 100644
--- a/spine-unity/Assets/Spine Examples/Spine Skeletons/spineboy-pro/spineboy-pro.json	
+++ b/spine-unity/Assets/Spine Examples/Spine Skeletons/spineboy-pro/spineboy-pro.json	
@@ -1,7 +1,7 @@
 {
 "skeleton": {
-	"hash": "a+YTUe6ARJY",
-	"spine": "4.2.22",
+	"hash": "CAE47sqQF0s",
+	"spine": "4.3.12-beta",
 	"x": -190.61,
 	"y": -7.99,
 	"width": 419.76,
@@ -368,8 +368,42 @@
 		"name": "aim-front-arm-transform",
 		"order": 10,
 		"bones": [ "front-upper-arm" ],
-		"target": "aim-constraint-target",
-		"rotation": -180,
+		"source": "aim-constraint-target",
+		"properties": {
+			"rotate": {
+				"offset": 15.95,
+				"to": {
+					"rotate": { "offset": -164.05, "max": -64.05, "scale": 1 }
+				}
+			},
+			"x": {
+				"to": {
+					"x": { "max": 100, "scale": 1 }
+				}
+			},
+			"y": {
+				"to": {
+					"y": { "max": 100, "scale": 1 }
+				}
+			},
+			"scaleX": {
+				"offset": 1,
+				"to": {
+					"scaleX": { "offset": 1, "max": 2, "scale": 1 }
+				}
+			},
+			"scaleY": {
+				"offset": 1,
+				"to": {
+					"scaleY": { "offset": 1, "max": 2, "scale": 1 }
+				}
+			},
+			"shearY": {
+				"to": {
+					"shearY": { "max": 100, "scale": 1 }
+				}
+			}
+		},
 		"mixRotate": 0,
 		"mixX": 0,
 		"mixScaleX": 0,
@@ -379,8 +413,42 @@
 		"name": "aim-head-transform",
 		"order": 9,
 		"bones": [ "head" ],
-		"target": "aim-constraint-target",
-		"rotation": 84.3,
+		"source": "aim-constraint-target",
+		"properties": {
+			"rotate": {
+				"offset": 15.95,
+				"to": {
+					"rotate": { "offset": 100.25, "max": 200.25, "scale": 1 }
+				}
+			},
+			"x": {
+				"to": {
+					"x": { "max": 100, "scale": 1 }
+				}
+			},
+			"y": {
+				"to": {
+					"y": { "max": 100, "scale": 1 }
+				}
+			},
+			"scaleX": {
+				"offset": 1,
+				"to": {
+					"scaleX": { "offset": 1, "max": 2, "scale": 1 }
+				}
+			},
+			"scaleY": {
+				"offset": 1,
+				"to": {
+					"scaleY": { "offset": 1, "max": 2, "scale": 1 }
+				}
+			},
+			"shearY": {
+				"to": {
+					"shearY": { "max": 100, "scale": 1 }
+				}
+			}
+		},
 		"mixRotate": 0,
 		"mixX": 0,
 		"mixScaleX": 0,
@@ -390,9 +458,44 @@
 		"name": "aim-rear-arm-transform",
 		"order": 11,
 		"bones": [ "rear-upper-arm" ],
-		"target": "aim-constraint-target",
+		"source": "aim-constraint-target",
 		"x": 57.7,
 		"y": 56.4,
+		"properties": {
+			"rotate": {
+				"offset": 15.95,
+				"to": {
+					"rotate": { "offset": 15.95, "max": 115.95, "scale": 1 }
+				}
+			},
+			"x": {
+				"to": {
+					"x": { "max": 100, "scale": 1 }
+				}
+			},
+			"y": {
+				"to": {
+					"y": { "max": 100, "scale": 1 }
+				}
+			},
+			"scaleX": {
+				"offset": 1,
+				"to": {
+					"scaleX": { "offset": 1, "max": 2, "scale": 1 }
+				}
+			},
+			"scaleY": {
+				"offset": 1,
+				"to": {
+					"scaleY": { "offset": 1, "max": 2, "scale": 1 }
+				}
+			},
+			"shearY": {
+				"to": {
+					"shearY": { "max": 100, "scale": 1 }
+				}
+			}
+		},
 		"mixRotate": 0,
 		"mixX": 0,
 		"mixScaleX": 0,
@@ -402,9 +505,42 @@
 		"name": "aim-torso-transform",
 		"order": 8,
 		"bones": [ "torso" ],
-		"target": "aim-constraint-target",
-		"rotation": 69.5,
-		"shearY": -36,
+		"source": "aim-constraint-target",
+		"properties": {
+			"rotate": {
+				"offset": 15.95,
+				"to": {
+					"rotate": { "offset": 85.45, "max": 185.45, "scale": 1 }
+				}
+			},
+			"x": {
+				"to": {
+					"x": { "max": 100, "scale": 1 }
+				}
+			},
+			"y": {
+				"to": {
+					"y": { "max": 100, "scale": 1 }
+				}
+			},
+			"scaleX": {
+				"offset": 1,
+				"to": {
+					"scaleX": { "offset": 1, "max": 2, "scale": 1 }
+				}
+			},
+			"scaleY": {
+				"offset": 1,
+				"to": {
+					"scaleY": { "offset": 1, "max": 2, "scale": 1 }
+				}
+			},
+			"shearY": {
+				"to": {
+					"shearY": { "offset": -36, "max": 64, "scale": 1 }
+				}
+			}
+		},
 		"mixRotate": 0,
 		"mixX": 0,
 		"mixScaleX": 0,
@@ -414,9 +550,44 @@
 		"name": "front-foot-board",
 		"order": 1,
 		"bones": [ "front-foot-ik" ],
-		"target": "hoverboard-controller",
+		"source": "hoverboard-controller",
 		"x": -69.8,
 		"y": 20.7,
+		"properties": {
+			"rotate": {
+				"offset": 0.07,
+				"to": {
+					"rotate": { "offset": 0.07, "max": 100.07, "scale": 1 }
+				}
+			},
+			"x": {
+				"to": {
+					"x": { "max": 100, "scale": 1 }
+				}
+			},
+			"y": {
+				"to": {
+					"y": { "max": 100, "scale": 1 }
+				}
+			},
+			"scaleX": {
+				"offset": 1,
+				"to": {
+					"scaleX": { "offset": 1, "max": 2, "scale": 1 }
+				}
+			},
+			"scaleY": {
+				"offset": 1,
+				"to": {
+					"scaleY": { "offset": 1, "max": 2, "scale": 1 }
+				}
+			},
+			"shearY": {
+				"to": {
+					"shearY": { "max": 100, "scale": 1 }
+				}
+			}
+		},
 		"mixRotate": 0,
 		"mixX": 0,
 		"mixScaleX": 0,
@@ -426,9 +597,44 @@
 		"name": "rear-foot-board",
 		"order": 2,
 		"bones": [ "rear-foot-ik" ],
-		"target": "hoverboard-controller",
+		"source": "hoverboard-controller",
 		"x": 86.6,
 		"y": 21.3,
+		"properties": {
+			"rotate": {
+				"offset": 0.07,
+				"to": {
+					"rotate": { "offset": 0.07, "max": 100.07, "scale": 1 }
+				}
+			},
+			"x": {
+				"to": {
+					"x": { "max": 100, "scale": 1 }
+				}
+			},
+			"y": {
+				"to": {
+					"y": { "max": 100, "scale": 1 }
+				}
+			},
+			"scaleX": {
+				"offset": 1,
+				"to": {
+					"scaleX": { "offset": 1, "max": 2, "scale": 1 }
+				}
+			},
+			"scaleY": {
+				"offset": 1,
+				"to": {
+					"scaleY": { "offset": 1, "max": 2, "scale": 1 }
+				}
+			},
+			"shearY": {
+				"to": {
+					"shearY": { "max": 100, "scale": 1 }
+				}
+			}
+		},
 		"mixRotate": 0,
 		"mixX": 0,
 		"mixScaleX": 0,
@@ -438,7 +644,42 @@
 		"name": "toes-board",
 		"order": 13,
 		"bones": [ "front-foot-tip", "back-foot-tip" ],
-		"target": "hoverboard-controller",
+		"source": "hoverboard-controller",
+		"properties": {
+			"rotate": {
+				"offset": 0.07,
+				"to": {
+					"rotate": { "offset": 0.07, "max": 100.07, "scale": 1 }
+				}
+			},
+			"x": {
+				"to": {
+					"x": { "max": 100, "scale": 1 }
+				}
+			},
+			"y": {
+				"to": {
+					"y": { "max": 100, "scale": 1 }
+				}
+			},
+			"scaleX": {
+				"offset": 1,
+				"to": {
+					"scaleX": { "offset": 1, "max": 2, "scale": 1 }
+				}
+			},
+			"scaleY": {
+				"offset": 1,
+				"to": {
+					"scaleY": { "offset": 1, "max": 2, "scale": 1 }
+				}
+			},
+			"shearY": {
+				"to": {
+					"shearY": { "max": 100, "scale": 1 }
+				}
+			}
+		},
 		"mixRotate": 0,
 		"mixX": 0,
 		"mixScaleX": 0,
diff --git a/spine-unity/Assets/Spine Examples/Spine Skeletons/spineboy-unity/spineboy-unity.json b/spine-unity/Assets/Spine Examples/Spine Skeletons/spineboy-unity/spineboy-unity.json
index 09f37913c..c12349880 100644
--- a/spine-unity/Assets/Spine Examples/Spine Skeletons/spineboy-unity/spineboy-unity.json	
+++ b/spine-unity/Assets/Spine Examples/Spine Skeletons/spineboy-unity/spineboy-unity.json	
@@ -1,7 +1,7 @@
 {
 "skeleton": {
-	"hash": "XrCABmFcV0A",
-	"spine": "4.2.22",
+	"hash": "6J9sKh3pJyY",
+	"spine": "4.3.12-beta",
 	"x": -221.22,
 	"y": -8.55,
 	"width": 371.09,
@@ -204,8 +204,41 @@
 		"name": "gun2 rotation",
 		"order": 4,
 		"bones": [ "gun2" ],
-		"target": "gun rotation",
-		"rotation": 72.7,
+		"source": "gun rotation",
+		"properties": {
+			"rotate": {
+				"to": {
+					"rotate": { "offset": 72.7, "max": 172.7, "scale": 1 }
+				}
+			},
+			"x": {
+				"to": {
+					"x": { "max": 100, "scale": 1 }
+				}
+			},
+			"y": {
+				"to": {
+					"y": { "max": 100, "scale": 1 }
+				}
+			},
+			"scaleX": {
+				"offset": 1,
+				"to": {
+					"scaleX": { "offset": 1, "max": 2, "scale": 1 }
+				}
+			},
+			"scaleY": {
+				"offset": 1,
+				"to": {
+					"scaleY": { "offset": 1, "max": 2, "scale": 1 }
+				}
+			},
+			"shearY": {
+				"to": {
+					"shearY": { "max": 100, "scale": 1 }
+				}
+			}
+		},
 		"mixRotate": 0,
 		"mixX": 0,
 		"mixScaleX": 0,
@@ -215,8 +248,41 @@
 		"name": "gun3 rotation",
 		"order": 5,
 		"bones": [ "gun3" ],
-		"target": "gun rotation",
-		"rotation": -116.2,
+		"source": "gun rotation",
+		"properties": {
+			"rotate": {
+				"to": {
+					"rotate": { "offset": -116.2, "max": -16.2, "scale": 1 }
+				}
+			},
+			"x": {
+				"to": {
+					"x": { "max": 100, "scale": 1 }
+				}
+			},
+			"y": {
+				"to": {
+					"y": { "max": 100, "scale": 1 }
+				}
+			},
+			"scaleX": {
+				"offset": 1,
+				"to": {
+					"scaleX": { "offset": 1, "max": 2, "scale": 1 }
+				}
+			},
+			"scaleY": {
+				"offset": 1,
+				"to": {
+					"scaleY": { "offset": 1, "max": 2, "scale": 1 }
+				}
+			},
+			"shearY": {
+				"to": {
+					"shearY": { "max": 100, "scale": 1 }
+				}
+			}
+		},
 		"mixRotate": 0,
 		"mixX": 0,
 		"mixScaleX": 0,
@@ -226,8 +292,41 @@
 		"name": "gun4 rotation",
 		"order": 6,
 		"bones": [ "gun4" ],
-		"target": "gun rotation",
-		"rotation": 166.9,
+		"source": "gun rotation",
+		"properties": {
+			"rotate": {
+				"to": {
+					"rotate": { "offset": 166.9, "max": 266.9, "scale": 1 }
+				}
+			},
+			"x": {
+				"to": {
+					"x": { "max": 100, "scale": 1 }
+				}
+			},
+			"y": {
+				"to": {
+					"y": { "max": 100, "scale": 1 }
+				}
+			},
+			"scaleX": {
+				"offset": 1,
+				"to": {
+					"scaleX": { "offset": 1, "max": 2, "scale": 1 }
+				}
+			},
+			"scaleY": {
+				"offset": 1,
+				"to": {
+					"scaleY": { "offset": 1, "max": 2, "scale": 1 }
+				}
+			},
+			"shearY": {
+				"to": {
+					"shearY": { "max": 100, "scale": 1 }
+				}
+			}
+		},
 		"mixRotate": 0,
 		"mixX": 0,
 		"mixScaleX": 0,
@@ -237,7 +336,42 @@
 		"name": "gun flying",
 		"order": 3,
 		"bones": [ "gun" ],
-		"target": "free gun bone",
+		"source": "free gun bone",
+		"properties": {
+			"rotate": {
+				"offset": -37.23,
+				"to": {
+					"rotate": { "offset": -37.23, "max": 62.77, "scale": 1 }
+				}
+			},
+			"x": {
+				"to": {
+					"x": { "max": 100, "scale": 1 }
+				}
+			},
+			"y": {
+				"to": {
+					"y": { "max": 100, "scale": 1 }
+				}
+			},
+			"scaleX": {
+				"offset": 1,
+				"to": {
+					"scaleX": { "offset": 1, "max": 2, "scale": 1 }
+				}
+			},
+			"scaleY": {
+				"offset": 1,
+				"to": {
+					"scaleY": { "offset": 1, "max": 2, "scale": 1 }
+				}
+			},
+			"shearY": {
+				"to": {
+					"shearY": { "max": 100, "scale": 1 }
+				}
+			}
+		},
 		"mixRotate": 0,
 		"mixX": 0,
 		"mixScaleX": 0,
@@ -249,7 +383,7 @@
 		"name": "spinning guns",
 		"order": 2,
 		"bones": [ "gun4", "gun3", "gun2" ],
-		"target": "gunspath",
+		"slot": "gunspath",
 		"spacingMode": "percent",
 		"spacing": 0.335,
 		"mixRotate": 0,
diff --git a/spine-unity/Assets/Spine Examples/Spine Skeletons/whirlyblendmodes/whirlyblendmodes.json b/spine-unity/Assets/Spine Examples/Spine Skeletons/whirlyblendmodes/whirlyblendmodes.json
index f8f021b2e..1e256c2a7 100644
--- a/spine-unity/Assets/Spine Examples/Spine Skeletons/whirlyblendmodes/whirlyblendmodes.json	
+++ b/spine-unity/Assets/Spine Examples/Spine Skeletons/whirlyblendmodes/whirlyblendmodes.json	
@@ -1,7 +1,7 @@
 {
 "skeleton": {
-	"hash": "tfwPbA2MCzE",
-	"spine": "4.2.22",
+	"hash": "2y7ACMyctGU",
+	"spine": "4.3.12-beta",
 	"x": -252.71,
 	"y": -232.55,
 	"width": 456.71,
@@ -27,7 +27,41 @@
 	{
 		"name": "rotation",
 		"bones": [ "additive", "multiply", "normal", "screen" ],
-		"target": "_rotation",
+		"source": "_rotation",
+		"properties": {
+			"rotate": {
+				"to": {
+					"rotate": { "max": 100, "scale": 1 }
+				}
+			},
+			"x": {
+				"to": {
+					"x": { "max": 100, "scale": 1 }
+				}
+			},
+			"y": {
+				"to": {
+					"y": { "max": 100, "scale": 1 }
+				}
+			},
+			"scaleX": {
+				"offset": 1,
+				"to": {
+					"scaleX": { "offset": 1, "max": 2, "scale": 1 }
+				}
+			},
+			"scaleY": {
+				"offset": 1,
+				"to": {
+					"scaleY": { "offset": 1, "max": 2, "scale": 1 }
+				}
+			},
+			"shearY": {
+				"to": {
+					"shearY": { "max": 100, "scale": 1 }
+				}
+			}
+		},
 		"mixX": 0,
 		"mixScaleX": 0,
 		"mixShearY": 0
diff --git a/spine-unity/Assets/Spine/Runtime/spine-unity/Asset Types/SkeletonDataCompatibility.cs b/spine-unity/Assets/Spine/Runtime/spine-unity/Asset Types/SkeletonDataCompatibility.cs
index e212a093e..3c0ff96bb 100644
--- a/spine-unity/Assets/Spine/Runtime/spine-unity/Asset Types/SkeletonDataCompatibility.cs	
+++ b/spine-unity/Assets/Spine/Runtime/spine-unity/Asset Types/SkeletonDataCompatibility.cs	
@@ -41,8 +41,8 @@ namespace Spine.Unity {
 	public static class SkeletonDataCompatibility {
 
 #if UNITY_EDITOR
-		static readonly int[][] compatibleBinaryVersions = { new[] { 4, 2, 0 } };
-		static readonly int[][] compatibleJsonVersions = { new[] { 4, 2, 0 } };
+		static readonly int[][] compatibleBinaryVersions = { new[] { 4, 3, 0 } };
+		static readonly int[][] compatibleJsonVersions = { new[] { 4, 3, 0 } };
 
 		static bool wasVersionDialogShown = false;
 		static readonly Regex jsonVersionRegex = new Regex(@"""spine""\s*:\s*""([^""]+)""", RegexOptions.CultureInvariant);
diff --git a/spine-unity/Modules/com.esotericsoftware.spine.lwrp-shaders/Spine Skeletons/RaptorLWRP/raptor-pro.json b/spine-unity/Modules/com.esotericsoftware.spine.lwrp-shaders/Spine Skeletons/RaptorLWRP/raptor-pro.json
index 17fc3ae8a..24a4bf6ce 100644
--- a/spine-unity/Modules/com.esotericsoftware.spine.lwrp-shaders/Spine Skeletons/RaptorLWRP/raptor-pro.json	
+++ b/spine-unity/Modules/com.esotericsoftware.spine.lwrp-shaders/Spine Skeletons/RaptorLWRP/raptor-pro.json	
@@ -1,7 +1,7 @@
 {
 "skeleton": {
 	"hash": "PlcXzl8RAT8",
-	"spine": "4.2.22",
+	"spine": "4.3.12-beta",
 	"x": -809.16,
 	"y": -73.54,
 	"width": 1287.65,
diff --git a/spine-unity/Modules/com.esotericsoftware.spine.lwrp-shaders/Spine Skeletons/StretchymanLWRP/stretchyman.json b/spine-unity/Modules/com.esotericsoftware.spine.lwrp-shaders/Spine Skeletons/StretchymanLWRP/stretchyman.json
index 5b8975896..3e3fbb780 100644
--- a/spine-unity/Modules/com.esotericsoftware.spine.lwrp-shaders/Spine Skeletons/StretchymanLWRP/stretchyman.json	
+++ b/spine-unity/Modules/com.esotericsoftware.spine.lwrp-shaders/Spine Skeletons/StretchymanLWRP/stretchyman.json	
@@ -1,7 +1,7 @@
 {
 "skeleton": {
-	"hash": "CNp43FaCQIg",
-	"spine": "4.2.22",
+	"hash": "ZqKiK7oBADQ",
+	"spine": "4.3.12-beta",
 	"x": -100.47,
 	"y": -9.21,
 	"width": 260.65,
@@ -418,13 +418,44 @@
 		"name": "back-foot-position",
 		"order": 8,
 		"bones": [ "back-foot1" ],
-		"target": "back-leg8",
-		"rotation": 108.8,
+		"source": "back-leg8",
 		"x": 41.2,
 		"y": -0.03,
-		"scaleX": 5.0E-4,
-		"scaleY": -3.0E-4,
-		"shearY": 0.1,
+		"properties": {
+			"rotate": {
+				"offset": -103.59,
+				"to": {
+					"rotate": { "offset": 5.21, "max": 105.21, "scale": 1 }
+				}
+			},
+			"x": {
+				"to": {
+					"x": { "max": 100, "scale": 1 }
+				}
+			},
+			"y": {
+				"to": {
+					"y": { "max": 100, "scale": 1 }
+				}
+			},
+			"scaleX": {
+				"offset": 0.8948,
+				"to": {
+					"scaleX": { "offset": 0.8953, "max": 1.8953, "scale": 1 }
+				}
+			},
+			"scaleY": {
+				"offset": 1,
+				"to": {
+					"scaleY": { "offset": 0.9997, "max": 1.9997, "scale": 1 }
+				}
+			},
+			"shearY": {
+				"to": {
+					"shearY": { "offset": 0.1, "max": 100.1, "scale": 1 }
+				}
+			}
+		},
 		"mixRotate": 0,
 		"mixScaleX": 0
 	},
@@ -432,13 +463,44 @@
 		"name": "front-foot-position",
 		"order": 9,
 		"bones": [ "front-foot1" ],
-		"target": "front-leg8",
-		"rotation": 101.55,
+		"source": "front-leg8",
 		"x": 38.92,
 		"y": -0.02,
-		"scaleX": 4.0E-4,
-		"scaleY": -3.0E-4,
-		"shearY": 0.1,
+		"properties": {
+			"rotate": {
+				"offset": -112.09,
+				"to": {
+					"rotate": { "offset": -10.54, "max": 89.46, "scale": 1 }
+				}
+			},
+			"x": {
+				"to": {
+					"x": { "max": 100, "scale": 1 }
+				}
+			},
+			"y": {
+				"to": {
+					"y": { "max": 100, "scale": 1 }
+				}
+			},
+			"scaleX": {
+				"offset": 1.0075,
+				"to": {
+					"scaleX": { "offset": 1.0079, "max": 2.0079, "scale": 1 }
+				}
+			},
+			"scaleY": {
+				"offset": 1,
+				"to": {
+					"scaleY": { "offset": 0.9997, "max": 1.9997, "scale": 1 }
+				}
+			},
+			"shearY": {
+				"to": {
+					"shearY": { "offset": 0.1, "max": 100.1, "scale": 1 }
+				}
+			}
+		},
 		"mixRotate": 0,
 		"mixScaleX": 0
 	}
@@ -448,7 +510,7 @@
 		"name": "back-arm-path",
 		"order": 7,
 		"bones": [ "back-arm1", "back-arm2", "back-arm3", "back-arm4" ],
-		"target": "back-arm-path",
+		"slot": "back-arm-path",
 		"spacingMode": "percent",
 		"rotateMode": "chainScale",
 		"spacing": 0.25
@@ -457,7 +519,7 @@
 		"name": "back-leg-path",
 		"order": 4,
 		"bones": [ "back-leg1", "back-leg2", "back-leg3", "back-leg4", "back-leg5", "back-leg6", "back-leg7", "back-leg8" ],
-		"target": "back-leg-path",
+		"slot": "back-leg-path",
 		"spacingMode": "percent",
 		"rotateMode": "chainScale",
 		"spacing": 0.125
@@ -466,7 +528,7 @@
 		"name": "front-arm-path",
 		"order": 6,
 		"bones": [ "front-arm1", "front-arm2", "front-arm3", "front-arm4" ],
-		"target": "front-arm-path",
+		"slot": "front-arm-path",
 		"spacingMode": "percent",
 		"rotateMode": "chainScale",
 		"spacing": 0.25
@@ -475,7 +537,7 @@
 		"name": "front-leg-path",
 		"order": 5,
 		"bones": [ "front-leg1", "front-leg2", "front-leg3", "front-leg4", "front-leg5", "front-leg6", "front-leg7", "front-leg8" ],
-		"target": "front-leg-path",
+		"slot": "front-leg-path",
 		"spacingMode": "percent",
 		"rotateMode": "chainScale",
 		"spacing": 0.125
diff --git a/spine-unity/Modules/com.esotericsoftware.spine.urp-shaders/Samples~/Examples/2D/Spine Skeletons/RaptorURP/raptor-pro.json b/spine-unity/Modules/com.esotericsoftware.spine.urp-shaders/Samples~/Examples/2D/Spine Skeletons/RaptorURP/raptor-pro.json
index 17fc3ae8a..24a4bf6ce 100644
--- a/spine-unity/Modules/com.esotericsoftware.spine.urp-shaders/Samples~/Examples/2D/Spine Skeletons/RaptorURP/raptor-pro.json	
+++ b/spine-unity/Modules/com.esotericsoftware.spine.urp-shaders/Samples~/Examples/2D/Spine Skeletons/RaptorURP/raptor-pro.json	
@@ -1,7 +1,7 @@
 {
 "skeleton": {
 	"hash": "PlcXzl8RAT8",
-	"spine": "4.2.22",
+	"spine": "4.3.12-beta",
 	"x": -809.16,
 	"y": -73.54,
 	"width": 1287.65,
diff --git a/spine-unity/Modules/com.esotericsoftware.spine.urp-shaders/Samples~/Examples/2D/Spine Skeletons/StretchymanURP/stretchyman.json b/spine-unity/Modules/com.esotericsoftware.spine.urp-shaders/Samples~/Examples/2D/Spine Skeletons/StretchymanURP/stretchyman.json
index 5b8975896..3e3fbb780 100644
--- a/spine-unity/Modules/com.esotericsoftware.spine.urp-shaders/Samples~/Examples/2D/Spine Skeletons/StretchymanURP/stretchyman.json	
+++ b/spine-unity/Modules/com.esotericsoftware.spine.urp-shaders/Samples~/Examples/2D/Spine Skeletons/StretchymanURP/stretchyman.json	
@@ -1,7 +1,7 @@
 {
 "skeleton": {
-	"hash": "CNp43FaCQIg",
-	"spine": "4.2.22",
+	"hash": "ZqKiK7oBADQ",
+	"spine": "4.3.12-beta",
 	"x": -100.47,
 	"y": -9.21,
 	"width": 260.65,
@@ -418,13 +418,44 @@
 		"name": "back-foot-position",
 		"order": 8,
 		"bones": [ "back-foot1" ],
-		"target": "back-leg8",
-		"rotation": 108.8,
+		"source": "back-leg8",
 		"x": 41.2,
 		"y": -0.03,
-		"scaleX": 5.0E-4,
-		"scaleY": -3.0E-4,
-		"shearY": 0.1,
+		"properties": {
+			"rotate": {
+				"offset": -103.59,
+				"to": {
+					"rotate": { "offset": 5.21, "max": 105.21, "scale": 1 }
+				}
+			},
+			"x": {
+				"to": {
+					"x": { "max": 100, "scale": 1 }
+				}
+			},
+			"y": {
+				"to": {
+					"y": { "max": 100, "scale": 1 }
+				}
+			},
+			"scaleX": {
+				"offset": 0.8948,
+				"to": {
+					"scaleX": { "offset": 0.8953, "max": 1.8953, "scale": 1 }
+				}
+			},
+			"scaleY": {
+				"offset": 1,
+				"to": {
+					"scaleY": { "offset": 0.9997, "max": 1.9997, "scale": 1 }
+				}
+			},
+			"shearY": {
+				"to": {
+					"shearY": { "offset": 0.1, "max": 100.1, "scale": 1 }
+				}
+			}
+		},
 		"mixRotate": 0,
 		"mixScaleX": 0
 	},
@@ -432,13 +463,44 @@
 		"name": "front-foot-position",
 		"order": 9,
 		"bones": [ "front-foot1" ],
-		"target": "front-leg8",
-		"rotation": 101.55,
+		"source": "front-leg8",
 		"x": 38.92,
 		"y": -0.02,
-		"scaleX": 4.0E-4,
-		"scaleY": -3.0E-4,
-		"shearY": 0.1,
+		"properties": {
+			"rotate": {
+				"offset": -112.09,
+				"to": {
+					"rotate": { "offset": -10.54, "max": 89.46, "scale": 1 }
+				}
+			},
+			"x": {
+				"to": {
+					"x": { "max": 100, "scale": 1 }
+				}
+			},
+			"y": {
+				"to": {
+					"y": { "max": 100, "scale": 1 }
+				}
+			},
+			"scaleX": {
+				"offset": 1.0075,
+				"to": {
+					"scaleX": { "offset": 1.0079, "max": 2.0079, "scale": 1 }
+				}
+			},
+			"scaleY": {
+				"offset": 1,
+				"to": {
+					"scaleY": { "offset": 0.9997, "max": 1.9997, "scale": 1 }
+				}
+			},
+			"shearY": {
+				"to": {
+					"shearY": { "offset": 0.1, "max": 100.1, "scale": 1 }
+				}
+			}
+		},
 		"mixRotate": 0,
 		"mixScaleX": 0
 	}
@@ -448,7 +510,7 @@
 		"name": "back-arm-path",
 		"order": 7,
 		"bones": [ "back-arm1", "back-arm2", "back-arm3", "back-arm4" ],
-		"target": "back-arm-path",
+		"slot": "back-arm-path",
 		"spacingMode": "percent",
 		"rotateMode": "chainScale",
 		"spacing": 0.25
@@ -457,7 +519,7 @@
 		"name": "back-leg-path",
 		"order": 4,
 		"bones": [ "back-leg1", "back-leg2", "back-leg3", "back-leg4", "back-leg5", "back-leg6", "back-leg7", "back-leg8" ],
-		"target": "back-leg-path",
+		"slot": "back-leg-path",
 		"spacingMode": "percent",
 		"rotateMode": "chainScale",
 		"spacing": 0.125
@@ -466,7 +528,7 @@
 		"name": "front-arm-path",
 		"order": 6,
 		"bones": [ "front-arm1", "front-arm2", "front-arm3", "front-arm4" ],
-		"target": "front-arm-path",
+		"slot": "front-arm-path",
 		"spacingMode": "percent",
 		"rotateMode": "chainScale",
 		"spacing": 0.25
@@ -475,7 +537,7 @@
 		"name": "front-leg-path",
 		"order": 5,
 		"bones": [ "front-leg1", "front-leg2", "front-leg3", "front-leg4", "front-leg5", "front-leg6", "front-leg7", "front-leg8" ],
-		"target": "front-leg-path",
+		"slot": "front-leg-path",
 		"spacingMode": "percent",
 		"rotateMode": "chainScale",
 		"spacing": 0.125
diff --git a/spine-unity/Modules/com.esotericsoftware.spine.urp-shaders/Samples~/Examples/3D/Spine Skeletons/RaptorURP/raptor-pro.json b/spine-unity/Modules/com.esotericsoftware.spine.urp-shaders/Samples~/Examples/3D/Spine Skeletons/RaptorURP/raptor-pro.json
index 17fc3ae8a..24a4bf6ce 100644
--- a/spine-unity/Modules/com.esotericsoftware.spine.urp-shaders/Samples~/Examples/3D/Spine Skeletons/RaptorURP/raptor-pro.json	
+++ b/spine-unity/Modules/com.esotericsoftware.spine.urp-shaders/Samples~/Examples/3D/Spine Skeletons/RaptorURP/raptor-pro.json	
@@ -1,7 +1,7 @@
 {
 "skeleton": {
 	"hash": "PlcXzl8RAT8",
-	"spine": "4.2.22",
+	"spine": "4.3.12-beta",
 	"x": -809.16,
 	"y": -73.54,
 	"width": 1287.65,
diff --git a/spine-unity/Modules/com.esotericsoftware.spine.urp-shaders/Samples~/Examples/3D/Spine Skeletons/StretchymanURP/stretchyman.json b/spine-unity/Modules/com.esotericsoftware.spine.urp-shaders/Samples~/Examples/3D/Spine Skeletons/StretchymanURP/stretchyman.json
index 5b8975896..3e3fbb780 100644
--- a/spine-unity/Modules/com.esotericsoftware.spine.urp-shaders/Samples~/Examples/3D/Spine Skeletons/StretchymanURP/stretchyman.json	
+++ b/spine-unity/Modules/com.esotericsoftware.spine.urp-shaders/Samples~/Examples/3D/Spine Skeletons/StretchymanURP/stretchyman.json	
@@ -1,7 +1,7 @@
 {
 "skeleton": {
-	"hash": "CNp43FaCQIg",
-	"spine": "4.2.22",
+	"hash": "ZqKiK7oBADQ",
+	"spine": "4.3.12-beta",
 	"x": -100.47,
 	"y": -9.21,
 	"width": 260.65,
@@ -418,13 +418,44 @@
 		"name": "back-foot-position",
 		"order": 8,
 		"bones": [ "back-foot1" ],
-		"target": "back-leg8",
-		"rotation": 108.8,
+		"source": "back-leg8",
 		"x": 41.2,
 		"y": -0.03,
-		"scaleX": 5.0E-4,
-		"scaleY": -3.0E-4,
-		"shearY": 0.1,
+		"properties": {
+			"rotate": {
+				"offset": -103.59,
+				"to": {
+					"rotate": { "offset": 5.21, "max": 105.21, "scale": 1 }
+				}
+			},
+			"x": {
+				"to": {
+					"x": { "max": 100, "scale": 1 }
+				}
+			},
+			"y": {
+				"to": {
+					"y": { "max": 100, "scale": 1 }
+				}
+			},
+			"scaleX": {
+				"offset": 0.8948,
+				"to": {
+					"scaleX": { "offset": 0.8953, "max": 1.8953, "scale": 1 }
+				}
+			},
+			"scaleY": {
+				"offset": 1,
+				"to": {
+					"scaleY": { "offset": 0.9997, "max": 1.9997, "scale": 1 }
+				}
+			},
+			"shearY": {
+				"to": {
+					"shearY": { "offset": 0.1, "max": 100.1, "scale": 1 }
+				}
+			}
+		},
 		"mixRotate": 0,
 		"mixScaleX": 0
 	},
@@ -432,13 +463,44 @@
 		"name": "front-foot-position",
 		"order": 9,
 		"bones": [ "front-foot1" ],
-		"target": "front-leg8",
-		"rotation": 101.55,
+		"source": "front-leg8",
 		"x": 38.92,
 		"y": -0.02,
-		"scaleX": 4.0E-4,
-		"scaleY": -3.0E-4,
-		"shearY": 0.1,
+		"properties": {
+			"rotate": {
+				"offset": -112.09,
+				"to": {
+					"rotate": { "offset": -10.54, "max": 89.46, "scale": 1 }
+				}
+			},
+			"x": {
+				"to": {
+					"x": { "max": 100, "scale": 1 }
+				}
+			},
+			"y": {
+				"to": {
+					"y": { "max": 100, "scale": 1 }
+				}
+			},
+			"scaleX": {
+				"offset": 1.0075,
+				"to": {
+					"scaleX": { "offset": 1.0079, "max": 2.0079, "scale": 1 }
+				}
+			},
+			"scaleY": {
+				"offset": 1,
+				"to": {
+					"scaleY": { "offset": 0.9997, "max": 1.9997, "scale": 1 }
+				}
+			},
+			"shearY": {
+				"to": {
+					"shearY": { "offset": 0.1, "max": 100.1, "scale": 1 }
+				}
+			}
+		},
 		"mixRotate": 0,
 		"mixScaleX": 0
 	}
@@ -448,7 +510,7 @@
 		"name": "back-arm-path",
 		"order": 7,
 		"bones": [ "back-arm1", "back-arm2", "back-arm3", "back-arm4" ],
-		"target": "back-arm-path",
+		"slot": "back-arm-path",
 		"spacingMode": "percent",
 		"rotateMode": "chainScale",
 		"spacing": 0.25
@@ -457,7 +519,7 @@
 		"name": "back-leg-path",
 		"order": 4,
 		"bones": [ "back-leg1", "back-leg2", "back-leg3", "back-leg4", "back-leg5", "back-leg6", "back-leg7", "back-leg8" ],
-		"target": "back-leg-path",
+		"slot": "back-leg-path",
 		"spacingMode": "percent",
 		"rotateMode": "chainScale",
 		"spacing": 0.125
@@ -466,7 +528,7 @@
 		"name": "front-arm-path",
 		"order": 6,
 		"bones": [ "front-arm1", "front-arm2", "front-arm3", "front-arm4" ],
-		"target": "front-arm-path",
+		"slot": "front-arm-path",
 		"spacingMode": "percent",
 		"rotateMode": "chainScale",
 		"spacing": 0.25
@@ -475,7 +537,7 @@
 		"name": "front-leg-path",
 		"order": 5,
 		"bones": [ "front-leg1", "front-leg2", "front-leg3", "front-leg4", "front-leg5", "front-leg6", "front-leg7", "front-leg8" ],
-		"target": "front-leg-path",
+		"slot": "front-leg-path",
 		"spacingMode": "percent",
 		"rotateMode": "chainScale",
 		"spacing": 0.125