diff --git a/examples/export/runtimes.sh b/examples/export/runtimes.sh
index 7adc5cd63..35f15ffbf 100755
--- a/examples/export/runtimes.sh
+++ b/examples/export/runtimes.sh
@@ -19,6 +19,12 @@ cp -f ../spineboy/export/*.json ../../spine-libgdx/spine-libgdx-tests/assets/spi
 cp -r ../spineboy/export/*.skel ../../spine-libgdx/spine-libgdx-tests/assets/spineboy/
 cp -r ../spineboy/export/*-pma.* ../../spine-libgdx/spine-libgdx-tests/assets/spineboy/
 
+rm -rf ../../spine-libgdx/spine-libgdx-tests/assets/coin/*
+mkdir ../../spine-libgdx/spine-libgdx-tests/assets/coin/
+cp -f ../coin/export/*.json ../../spine-libgdx/spine-libgdx-tests/assets/coin/
+cp -f ../coin/export/*.skel ../../spine-libgdx/spine-libgdx-tests/assets/coin/
+cp -f ../coin/export/*-pma.* ../../spine-libgdx/spine-libgdx-tests/assets/coin/
+
 echo "spine-as3"
 rm -f ../../spine-as3/spine-as3-example/src/spineboy.*
 cp -f ../spineboy/export/spineboy-ess.json ../../spine-as3/spine-as3-example/src/
diff --git a/spine-cpp/spine-cpp/include/spine/Animation.h b/spine-cpp/spine-cpp/include/spine/Animation.h
index 4ea55fd7b..52d04c9f5 100644
--- a/spine-cpp/spine-cpp/include/spine/Animation.h
+++ b/spine-cpp/spine-cpp/include/spine/Animation.h
@@ -76,7 +76,7 @@ namespace Spine {
         
         Vector<Timeline*> getTimelines();
         
-        void setTimelines(Vector<Timeline*> inValue);
+        void setTimelines(Vector<Timeline*>& inValue);
         
         float getDuration();
         
diff --git a/spine-cpp/spine-cpp/include/spine/PathAttachment.h b/spine-cpp/spine-cpp/include/spine/PathAttachment.h
index aedd05c27..3c8a5e949 100644
--- a/spine-cpp/spine-cpp/include/spine/PathAttachment.h
+++ b/spine-cpp/spine-cpp/include/spine/PathAttachment.h
@@ -45,7 +45,7 @@ namespace Spine {
         
         /// The length in the setup pose from the start of the path to the end of each curve.
         Vector<float>& getLengths();
-        void setLengths(Vector<float> inValue);
+        void setLengths(Vector<float>& inValue);
         bool isClosed();
         void setClosed(bool inValue);
         bool isConstantSpeed();
diff --git a/spine-cpp/spine-cpp/include/spine/RegionAttachment.h b/spine-cpp/spine-cpp/include/spine/RegionAttachment.h
index 5582b4a54..613b35cc8 100644
--- a/spine-cpp/spine-cpp/include/spine/RegionAttachment.h
+++ b/spine-cpp/spine-cpp/include/spine/RegionAttachment.h
@@ -121,7 +121,7 @@ namespace Spine {
         
         float _x, _y, _rotation, _scaleX, _scaleY, _width, _height;
         float _regionOffsetX, _regionOffsetY, _regionWidth, _regionHeight, _regionOriginalWidth, _regionOriginalHeight;
-        Vector<float> _offset;
+        Vector<float> _vertexOffset;
         Vector<float> _uvs;
         void* _rendererObject;
         String _path;
diff --git a/spine-cpp/spine-cpp/include/spine/Slot.h b/spine-cpp/spine-cpp/include/spine/Slot.h
index 3cccdfe46..420e0349b 100644
--- a/spine-cpp/spine-cpp/include/spine/Slot.h
+++ b/spine-cpp/spine-cpp/include/spine/Slot.h
@@ -87,7 +87,7 @@ namespace Spine {
         void setAttachmentTime(float inValue);
         
         Vector<float>& getAttachmentVertices();
-        void setAttachmentVertices(Vector<float> inValue);
+        void setAttachmentVertices(Vector<float>& inValue);
 
         String toString() const;
 
diff --git a/spine-cpp/spine-cpp/include/spine/String.h b/spine-cpp/spine-cpp/include/spine/String.h
index 81be44744..47affa93d 100644
--- a/spine-cpp/spine-cpp/include/spine/String.h
+++ b/spine-cpp/spine-cpp/include/spine/String.h
@@ -50,7 +50,7 @@ namespace Spine {
 			} else {
 				_length = strlen(chars);
 				if (!own) {
-					_buffer = SpineExtension::alloc<char>(_length + 1, __FILE__, __LINE__);
+					_buffer = SpineExtension::calloc<char>(_length + 1, __FILE__, __LINE__);
 					memcpy((void *) _buffer, chars, _length + 1);
 				} else {
 					_buffer = (char*)chars;
@@ -64,7 +64,7 @@ namespace Spine {
 				_buffer = NULL;
 			} else {
 				_length = other._length;
-				_buffer = SpineExtension::alloc<char>(other._length + 1, __FILE__, __LINE__);
+				_buffer = SpineExtension::calloc<char>(other._length + 1, __FILE__, __LINE__);
 				memcpy((void*)_buffer, other._buffer, other._length + 1);
 			}
 		}
@@ -117,7 +117,7 @@ namespace Spine {
 				_buffer = NULL;
 			} else {
 				_length = other._length;
-				_buffer = SpineExtension::alloc<char>(other._length + 1, __FILE__, __LINE__);
+				_buffer = SpineExtension::calloc<char>(other._length + 1, __FILE__, __LINE__);
 				memcpy((void*)_buffer, other._buffer, other._length + 1);
 			}
 			return *this;
@@ -133,7 +133,7 @@ namespace Spine {
 				_buffer = NULL;
 			} else {
 				_length = strlen(chars);
-				_buffer = SpineExtension::alloc<char>(_length + 1, __FILE__, __LINE__);
+				_buffer = SpineExtension::calloc<char>(_length + 1, __FILE__, __LINE__);
 				memcpy((void*)_buffer, chars, _length + 1);
 			}
 			return *this;
diff --git a/spine-cpp/spine-cpp/include/spine/Vector.h b/spine-cpp/spine-cpp/include/spine/Vector.h
index c4745a126..42c6b338c 100644
--- a/spine-cpp/spine-cpp/include/spine/Vector.h
+++ b/spine-cpp/spine-cpp/include/spine/Vector.h
@@ -54,7 +54,7 @@ namespace Spine {
             }
         }
 
-        Vector& operator=(const Vector& inVector) {
+        /*Vector& operator=(const Vector& inVector) {
             if (this != &inVector) {
                 clear();
                 deallocate(_buffer);
@@ -72,7 +72,7 @@ namespace Spine {
             }
 
             return *this;
-        }
+        }*/
 
         ~Vector() {
             clear();
@@ -91,14 +91,20 @@ namespace Spine {
             return _size;
         }
 
-        inline void setSize(size_t newSize) {
+        inline void setSize(size_t newSize, const T &defaultValue) {
             assert(newSize >= 0);
+            size_t oldSize = _size;
             _size = newSize;
             if (_capacity < newSize) {
                 _capacity = (int)(_size  * 1.75f);
                 if (_capacity < 8) _capacity = 8;
                 _buffer = Spine::SpineExtension::realloc<T>(_buffer, _capacity, __FILE__, __LINE__);
             }
+            if (oldSize < _size) {
+                for (size_t i = oldSize; i < _size; i++) {
+                    construct(_buffer + i, defaultValue);
+                }
+            }
         }
 
         inline void ensureCapacity(size_t newCapacity = 0) {
@@ -116,6 +122,18 @@ namespace Spine {
             construct(_buffer + _size++, inValue);
         }
 
+        inline void addAll(Vector<T> &inValue) {
+            ensureCapacity(this->size() + inValue.size());
+            for (size_t i = 0; i < inValue.size(); i++) {
+                add(inValue[i]);
+            }
+        }
+
+        inline void clearAndAddAll(Vector<T> &inValue) {
+            this->clear();
+            this->addAll(inValue);
+        }
+
         inline void removeAt(size_t inIndex) {
             assert(inIndex < _size);
 
@@ -198,7 +216,7 @@ namespace Spine {
         inline T* allocate(size_t n) {
             assert(n > 0);
 
-            T* ptr = SpineExtension::alloc<T>(n, __FILE__, __LINE__);
+            T* ptr = SpineExtension::calloc<T>(n, __FILE__, __LINE__);
 
             assert(ptr);
 
@@ -218,6 +236,8 @@ namespace Spine {
         inline void destroy(T* buffer) {
             buffer->~T();
         }
+
+        Vector& operator=(const Vector& inVector) { };
     };
 }
 
diff --git a/spine-cpp/spine-cpp/src/spine/Animation.cpp b/spine-cpp/spine-cpp/src/spine/Animation.cpp
index 1453dccb2..ff30cf5af 100644
--- a/spine-cpp/spine-cpp/src/spine/Animation.cpp
+++ b/spine-cpp/spine-cpp/src/spine/Animation.cpp
@@ -71,8 +71,9 @@ namespace Spine {
         return _timelines;
     }
     
-    void Animation::setTimelines(Vector<Timeline*> inValue) {
-        _timelines = inValue;
+    void Animation::setTimelines(Vector<Timeline*>& inValue) {
+        _timelines.clear();
+        _timelines.addAll(inValue);
     }
     
     float Animation::getDuration() {
diff --git a/spine-cpp/spine-cpp/src/spine/AnimationState.cpp b/spine-cpp/spine-cpp/src/spine/AnimationState.cpp
index 3a8de4d0e..676328fc5 100644
--- a/spine-cpp/spine-cpp/src/spine/AnimationState.cpp
+++ b/spine-cpp/spine-cpp/src/spine/AnimationState.cpp
@@ -139,8 +139,8 @@ namespace Spine {
         int mixingToLast = static_cast<int>(mixingToArray.size()) - 1;
         Vector<Timeline*>& timelines = _animation->_timelines;
         int timelinesCount = static_cast<int>(timelines.size());
-        _timelineData.setSize(timelinesCount);
-        _timelineDipMix.setSize(timelinesCount);
+        _timelineData.setSize(timelinesCount, 0);
+        _timelineDipMix.setSize(timelinesCount, 0);
         
         // outer:
         int i = 0;
@@ -421,7 +421,7 @@ namespace Spine {
                 
                 bool firstFrame = current._timelinesRotation.size() == 0;
                 if (firstFrame) {
-                    current._timelinesRotation.setSize(timelines.size() << 1);
+                    current._timelinesRotation.setSize(timelines.size() << 1, 0);
                 }
                 Vector<float>& timelinesRotation = current._timelinesRotation;
                 
@@ -776,7 +776,7 @@ namespace Spine {
         
         bool firstFrame = from->_timelinesRotation.size() == 0;
         if (firstFrame) {
-            from->_timelinesRotation.setSize(timelines.size() << 1);
+            from->_timelinesRotation.setSize(timelines.size() << 1, 0);
         }
         
         Vector<float>& timelinesRotation = from->_timelinesRotation;
diff --git a/spine-cpp/spine-cpp/src/spine/Atlas.cpp b/spine-cpp/spine-cpp/src/spine/Atlas.cpp
index 641b47560..9c8c08cf6 100644
--- a/spine-cpp/spine-cpp/src/spine/Atlas.cpp
+++ b/spine-cpp/spine-cpp/src/spine/Atlas.cpp
@@ -49,7 +49,7 @@ namespace Spine {
         const char* lastSlash = lastForwardSlash > lastBackwardSlash ? lastForwardSlash : lastBackwardSlash;
         if (lastSlash == path) lastSlash++; /* Never drop starting slash. */
         dirLength = (int)(lastSlash ? lastSlash - path.buffer() : 0);
-        dir = SpineExtension::alloc<char>(dirLength + 1, __FILE__, __LINE__);
+        dir = SpineExtension::calloc<char>(dirLength + 1, __FILE__, __LINE__);
         memcpy(dir, path.buffer(), dirLength);
         dir[dirLength] = '\0';
 
@@ -117,7 +117,7 @@ namespace Spine {
             }
             else if (!page) {
                 char* name = mallocString(&str);
-                char* path = SpineExtension::alloc<char>(dirLength + needsSlash + strlen(name) + 1, __FILE__, __LINE__);
+                char* path = SpineExtension::calloc<char>(dirLength + needsSlash + strlen(name) + 1, __FILE__, __LINE__);
                 memcpy(path, dir, dirLength);
                 if (needsSlash) {
                     path[dirLength] = '/';
@@ -198,7 +198,7 @@ namespace Spine {
 
                 if (count == 4) {
                     /* split is optional */
-                    region->splits.setSize(4);
+                    region->splits.setSize(4, 0);
                     region->splits[0] = toInt(tuple);
                     region->splits[1] = toInt(tuple + 1);
                     region->splits[2] = toInt(tuple + 2);
@@ -209,7 +209,7 @@ namespace Spine {
 
                     if (count == 4) {
                         /* pad is optional, but only present with splits */
-                        region->pads.setSize(4);
+                        region->pads.setSize(4, 0);
                         region->pads[0] = toInt(tuple);
                         region->pads[1] = toInt(tuple + 1);
                         region->pads[2] = toInt(tuple + 2);
@@ -328,7 +328,7 @@ namespace Spine {
 
     char* Atlas::mallocString(Str* str) {
         int length = (int)(str->end - str->begin);
-        char* string = SpineExtension::alloc<char>(length + 1, __FILE__, __LINE__);
+        char* string = SpineExtension::calloc<char>(length + 1, __FILE__, __LINE__);
         memcpy(string, str->begin, length);
         string[length] = '\0';
         return string;
diff --git a/spine-cpp/spine-cpp/src/spine/AttachmentTimeline.cpp b/spine-cpp/spine-cpp/src/spine/AttachmentTimeline.cpp
index f5cb13112..0586a05da 100644
--- a/spine-cpp/spine-cpp/src/spine/AttachmentTimeline.cpp
+++ b/spine-cpp/spine-cpp/src/spine/AttachmentTimeline.cpp
@@ -45,7 +45,7 @@ namespace Spine {
         _frames.ensureCapacity(frameCount);
         _attachmentNames.ensureCapacity(frameCount);
         
-        _frames.setSize(frameCount);
+        _frames.setSize(frameCount, 0);
         
         for (int i = 0; i < frameCount; ++i) {
             _attachmentNames.add(String());
@@ -108,7 +108,8 @@ namespace Spine {
     }
     
     void AttachmentTimeline::setFrames(Vector<float>& inValue) {
-        _frames = inValue;
+        _frames.clear();
+        _frames.addAll(inValue);
     }
     
     const Vector<String>& AttachmentTimeline::getAttachmentNames() {
@@ -116,7 +117,8 @@ namespace Spine {
     }
     
     void AttachmentTimeline::setAttachmentNames(Vector<String>& inValue) {
-        _attachmentNames = inValue;
+        _attachmentNames.clear();
+        _attachmentNames.addAll(inValue);
     }
     
     int AttachmentTimeline::getFrameCount() {
diff --git a/spine-cpp/spine-cpp/src/spine/ColorTimeline.cpp b/spine-cpp/spine-cpp/src/spine/ColorTimeline.cpp
index ab582afe2..0149d97ff 100644
--- a/spine-cpp/spine-cpp/src/spine/ColorTimeline.cpp
+++ b/spine-cpp/spine-cpp/src/spine/ColorTimeline.cpp
@@ -53,7 +53,7 @@ namespace Spine {
     const int ColorTimeline::A = 4;
     
     ColorTimeline::ColorTimeline(int frameCount) : CurveTimeline(frameCount), _slotIndex(0) {
-        _frames.setSize(frameCount * ENTRIES);
+        _frames.setSize(frameCount * ENTRIES, 0);
     }
     
     void ColorTimeline::apply(Skeleton& skeleton, float lastTime, float time, Vector<Event*>* pEvents, float alpha, MixPose pose, MixDirection direction) {
@@ -139,6 +139,7 @@ namespace Spine {
     }
     
     void ColorTimeline::setFrames(Vector<float>& inValue) {
-        _frames = inValue;
+        _frames.clear();
+        _frames.addAll(inValue);
     }
 }
diff --git a/spine-cpp/spine-cpp/src/spine/CurveTimeline.cpp b/spine-cpp/spine-cpp/src/spine/CurveTimeline.cpp
index 01624e1a2..caa7cce08 100644
--- a/spine-cpp/spine-cpp/src/spine/CurveTimeline.cpp
+++ b/spine-cpp/spine-cpp/src/spine/CurveTimeline.cpp
@@ -43,7 +43,7 @@ namespace Spine {
     CurveTimeline::CurveTimeline(int frameCount) {
         assert(frameCount > 0);
 
-        _curves.setSize((frameCount - 1) * BEZIER_SIZE);
+        _curves.setSize((frameCount - 1) * BEZIER_SIZE, 0);
     }
 
     CurveTimeline::~CurveTimeline() {
diff --git a/spine-cpp/spine-cpp/src/spine/DeformTimeline.cpp b/spine-cpp/spine-cpp/src/spine/DeformTimeline.cpp
index 4790acb6c..422235055 100644
--- a/spine-cpp/spine-cpp/src/spine/DeformTimeline.cpp
+++ b/spine-cpp/spine-cpp/src/spine/DeformTimeline.cpp
@@ -47,7 +47,7 @@ namespace Spine {
         _frames.ensureCapacity(frameCount);
         _frameVertices.ensureCapacity(frameCount);
         
-        _frames.setSize(frameCount);
+        _frames.setSize(frameCount, 0);
         
         for (int i = 0; i < frameCount; ++i) {
             Vector<float> vec;
@@ -87,7 +87,7 @@ namespace Spine {
                     }
                     
                     // Ensure size and preemptively set count.
-                    vertices.setSize(vertexCount);
+                    vertices.setSize(vertexCount, 0);
                     
                     if (vertexAttachment->_bones.size() == 0) {
                         // Unweighted vertex positions.
@@ -110,7 +110,7 @@ namespace Spine {
         }
         
         // Ensure size and preemptively set count.
-        vertices.setSize(vertexCount);
+        vertices.setSize(vertexCount, 0);
         
         if (time >= _frames[_frames.size() - 1]) {
             // Time is after last frame.
@@ -196,7 +196,8 @@ namespace Spine {
     
     void DeformTimeline::setFrame(int frameIndex, float time, Vector<float>& vertices) {
         _frames[frameIndex] = time;
-        _frameVertices[frameIndex] = vertices;
+        _frameVertices[frameIndex].clear();
+        _frameVertices[frameIndex].addAll(vertices);
     }
     
     int DeformTimeline::getSlotIndex() {
@@ -212,7 +213,8 @@ namespace Spine {
     }
     
     void DeformTimeline::setFrames(Vector<float>& inValue) {
-        _frames = inValue;
+        _frames.clear();
+        _frames.addAll(inValue);
     }
     
     Vector< Vector<float> >& DeformTimeline::getVertices() {
@@ -220,7 +222,8 @@ namespace Spine {
     }
     
     void DeformTimeline::setVertices(Vector< Vector<float> >& inValue) {
-        _frameVertices = inValue;
+        _frameVertices.clear();
+        _frameVertices.addAll(inValue);
     }
     
     VertexAttachment* DeformTimeline::getAttachment() {
diff --git a/spine-cpp/spine-cpp/src/spine/DrawOrderTimeline.cpp b/spine-cpp/spine-cpp/src/spine/DrawOrderTimeline.cpp
index 5a5536150..501702c06 100644
--- a/spine-cpp/spine-cpp/src/spine/DrawOrderTimeline.cpp
+++ b/spine-cpp/spine-cpp/src/spine/DrawOrderTimeline.cpp
@@ -45,7 +45,7 @@ namespace Spine {
 		_frames.ensureCapacity(frameCount);
 		_drawOrders.ensureCapacity(frameCount);
         
-        _frames.setSize(frameCount);
+        _frames.setSize(frameCount, 0);
         
         for (int i = 0; i < frameCount; ++i) {
             Vector<int> vec;
@@ -105,7 +105,8 @@ namespace Spine {
     
     void DrawOrderTimeline::setFrame(int frameIndex, float time, Vector<int>& drawOrder) {
         _frames[frameIndex] = time;
-        _drawOrders[frameIndex] = drawOrder;
+        _drawOrders[frameIndex].clear();
+        _drawOrders[frameIndex].addAll(drawOrder);
     }
     
     Vector<float>& DrawOrderTimeline::getFrames() {
@@ -113,7 +114,8 @@ namespace Spine {
     }
     
     void DrawOrderTimeline::setFrames(Vector<float>& inValue) {
-        _frames = inValue;
+        _frames.clear();
+        _frames.addAll(inValue);
     }
     
     Vector< Vector<int> >& DrawOrderTimeline::getDrawOrders() {
@@ -121,7 +123,8 @@ namespace Spine {
     }
     
     void DrawOrderTimeline::setDrawOrders(Vector< Vector<int> >& inValue) {
-        _drawOrders = inValue;
+        _drawOrders.clear();
+        _drawOrders.addAll(inValue);
     }
     
     int DrawOrderTimeline::getFrameCount() {
diff --git a/spine-cpp/spine-cpp/src/spine/EventTimeline.cpp b/spine-cpp/spine-cpp/src/spine/EventTimeline.cpp
index 65afe92cb..4c6a18de6 100644
--- a/spine-cpp/spine-cpp/src/spine/EventTimeline.cpp
+++ b/spine-cpp/spine-cpp/src/spine/EventTimeline.cpp
@@ -38,14 +38,15 @@
 #include <spine/Slot.h>
 #include <spine/SlotData.h>
 #include <spine/Event.h>
+#include <spine/EventData.h>
 #include <spine/ContainerUtil.h>
 
 namespace Spine {
     RTTI_IMPL(EventTimeline, Timeline);
     
     EventTimeline::EventTimeline(int frameCount) : Timeline() {
-        _frames.setSize(frameCount);
-        _events.setSize(frameCount);
+        _frames.setSize(frameCount, 0);
+        _events.setSize(frameCount, NULL);
     }
     
     EventTimeline::~EventTimeline() {
@@ -110,8 +111,8 @@ namespace Spine {
     }
     
     Vector<float> EventTimeline::getFrames() { return _frames; }
-    void EventTimeline::setFrames(Vector<float>& inValue) { _frames = inValue; } // time, ...
+    void EventTimeline::setFrames(Vector<float>& inValue) { _frames.clear(); _frames.addAll(inValue); } // time, ...
     Vector<Event*>& EventTimeline::getEvents() { return _events; }
-    void EventTimeline::setEvents(Vector<Event*>& inValue) { _events = inValue; }
+    void EventTimeline::setEvents(Vector<Event*>& inValue) { _events.clear(); _events.addAll(inValue); }
     int EventTimeline::getFrameCount() { return static_cast<int>(_frames.size()); }
 }
diff --git a/spine-cpp/spine-cpp/src/spine/IkConstraintTimeline.cpp b/spine-cpp/spine-cpp/src/spine/IkConstraintTimeline.cpp
index 03a7fb0a5..c96d9a40f 100644
--- a/spine-cpp/spine-cpp/src/spine/IkConstraintTimeline.cpp
+++ b/spine-cpp/spine-cpp/src/spine/IkConstraintTimeline.cpp
@@ -51,7 +51,7 @@ namespace Spine {
     const int IkConstraintTimeline::BEND_DIRECTION = 2;
     
     IkConstraintTimeline::IkConstraintTimeline(int frameCount) : CurveTimeline(frameCount), _ikConstraintIndex(0) {
-        _frames.setSize(frameCount * ENTRIES);
+        _frames.setSize(frameCount * ENTRIES, 0);
     }
     
     void IkConstraintTimeline::apply(Skeleton& skeleton, float lastTime, float time, Vector<Event*>* pEvents, float alpha, MixPose pose, MixDirection direction) {
diff --git a/spine-cpp/spine-cpp/src/spine/MeshAttachment.cpp b/spine-cpp/spine-cpp/src/spine/MeshAttachment.cpp
index 43010f4f4..e3d6289af 100644
--- a/spine-cpp/spine-cpp/src/spine/MeshAttachment.cpp
+++ b/spine-cpp/spine-cpp/src/spine/MeshAttachment.cpp
@@ -59,7 +59,7 @@
     void MeshAttachment::updateUVs() {
         float u = _regionU, v = _regionV, width = _regionU2 - _regionU, height = _regionV2 - _regionV;
         if (_uvs.size() != _regionUVs.size()) {
-            _uvs.setSize(_regionUVs.size());
+            _uvs.setSize(_regionUVs.size(), 0);
         }
         
         if (_regionRotate) {
@@ -93,7 +93,8 @@
     }
     
     void MeshAttachment::setRegionUVs(Vector<float>& inValue) {
-        _regionUVs = inValue;
+        _regionUVs.clear();
+        _regionUVs.addAll(inValue);
     }
     
     Vector<float>& MeshAttachment::getUVs() {
@@ -101,7 +102,8 @@
     }
     
     void MeshAttachment::setUVs(Vector<float>& inValue) {
-        _uvs = inValue;
+        _uvs.clear();
+        _uvs.addAll(inValue);
     }
     
     Vector<unsigned short>& MeshAttachment::getTriangles() {
@@ -109,7 +111,8 @@
     }
     
     void MeshAttachment::setTriangles(Vector<unsigned short>& inValue) {
-        _triangles = inValue;
+        _triangles.clear();
+        _triangles.addAll(inValue);
     }
     
     const String& MeshAttachment::getPath() {
@@ -231,13 +234,13 @@
     void MeshAttachment::setParentMesh(MeshAttachment* inValue) {
         _parentMesh = inValue;
         if (inValue != NULL) {
-            _bones = inValue->_bones;
-            _vertices = inValue->_vertices;
+            _bones.clearAndAddAll(inValue->_bones);
+            _vertices.clearAndAddAll(inValue->_vertices);
             _worldVerticesLength = inValue->_worldVerticesLength;
-            _regionUVs = inValue->_regionUVs;
-            _triangles = inValue->_triangles;
+            _regionUVs.clearAndAddAll(inValue->_regionUVs);
+            _triangles.clearAndAddAll(inValue->_triangles);
             _hullLength = inValue->_hullLength;
-            _edges = inValue->_edges;
+            _edges.clearAndAddAll(inValue->_edges);
             _width = inValue->_width;
             _height = inValue->_height;
         }
@@ -248,7 +251,7 @@
     }
     
     void MeshAttachment::setEdges(Vector<unsigned short>& inValue) {
-        _edges = inValue;
+        _edges.clearAndAddAll(inValue);
     }
     
     float MeshAttachment::getWidth() {
diff --git a/spine-cpp/spine-cpp/src/spine/PathAttachment.cpp b/spine-cpp/spine-cpp/src/spine/PathAttachment.cpp
index bec550e6e..1145c9fb7 100644
--- a/spine-cpp/spine-cpp/src/spine/PathAttachment.cpp
+++ b/spine-cpp/spine-cpp/src/spine/PathAttachment.cpp
@@ -40,8 +40,9 @@ namespace Spine {
         return _lengths;
     }
     
-    void PathAttachment::setLengths(Vector<float> inValue) {
-        _lengths = inValue;
+    void PathAttachment::setLengths(Vector<float>& inValue) {
+        _lengths.clear();
+        _lengths.addAll(inValue);
     }
     
     bool PathAttachment::isClosed() {
diff --git a/spine-cpp/spine-cpp/src/spine/PathConstraint.cpp b/spine-cpp/spine-cpp/src/spine/PathConstraint.cpp
index 9ecf614c2..827d78bed 100644
--- a/spine-cpp/spine-cpp/src/spine/PathConstraint.cpp
+++ b/spine-cpp/spine-cpp/src/spine/PathConstraint.cpp
@@ -64,7 +64,7 @@ namespace Spine {
             _bones.add(skeleton.findBone(boneData->getName()));
         }
 
-        _segments.setSize(10);
+        _segments.setSize(10, 0);
     }
     
     void PathConstraint::apply() {
@@ -94,11 +94,11 @@ namespace Spine {
         bool tangents = rotateMode == RotateMode_Tangent, scale = rotateMode == RotateMode_ChainScale;
         size_t boneCount = _bones.size();
         int spacesCount = static_cast<int>(tangents ? boneCount : boneCount + 1);
-        _spaces.setSize(spacesCount);
+        _spaces.setSize(spacesCount, 0);
         float spacing = _spacing;
         if (scale || lengthSpacing) {
             if (scale) {
-                _lengths.setSize(boneCount);
+                _lengths.setSize(boneCount, 0);
             }
             
             for (int i = 0, n = spacesCount - 1; i < n;) {
@@ -264,7 +264,7 @@ namespace Spine {
     Vector<float> PathConstraint::computeWorldPositions(PathAttachment& path, int spacesCount, bool tangents, bool percentPosition, bool percentSpacing) {
         Slot& target = *_target;
         float position = _position;
-        _positions.setSize(spacesCount * 3 + 2);
+        _positions.setSize(spacesCount * 3 + 2, 0);
         bool closed = path.isClosed();
         int verticesLength = path.getWorldVerticesLength();
         int curveCount = verticesLength / 6;
@@ -285,7 +285,7 @@ namespace Spine {
                 }
             }
 
-            _world.setSize(8);
+            _world.setSize(8, 0);
             for (int i = 0, o = 0, curve = 0; i < spacesCount; i++, o += 3) {
                 float space = _spaces[i];
                 position += space;
@@ -356,7 +356,7 @@ namespace Spine {
         // World vertices.
         if (closed) {
             verticesLength += 2;
-            _world.setSize(verticesLength);
+            _world.setSize(verticesLength, 0);
             path.computeWorldVertices(target, 2, verticesLength - 4, _world, 0);
             path.computeWorldVertices(target, 0, 2, _world, verticesLength - 4);
             _world[verticesLength - 2] = _world[0];
@@ -365,12 +365,12 @@ namespace Spine {
         else {
             curveCount--;
             verticesLength -= 4;
-            _world.setSize(verticesLength);
+            _world.setSize(verticesLength, 0);
             path.computeWorldVertices(target, 2, verticesLength, _world, 0);
         }
         
         // Curve lengths.
-        _curves.setSize(curveCount);
+        _curves.setSize(curveCount, 0);
         pathLength = 0;
         float x1 = _world[0], y1 = _world[1], cx1 = 0, cy1 = 0, cx2 = 0, cy2 = 0, x2 = 0, y2 = 0;
         float tmpx, tmpy, dddfx, dddfy, ddfx, ddfy, dfx, dfy;
diff --git a/spine-cpp/spine-cpp/src/spine/PathConstraintMixTimeline.cpp b/spine-cpp/spine-cpp/src/spine/PathConstraintMixTimeline.cpp
index 6c8d8266f..caba1e0d1 100644
--- a/spine-cpp/spine-cpp/src/spine/PathConstraintMixTimeline.cpp
+++ b/spine-cpp/spine-cpp/src/spine/PathConstraintMixTimeline.cpp
@@ -51,7 +51,7 @@ namespace Spine {
     const int PathConstraintMixTimeline::TRANSLATE = 2;
     
     PathConstraintMixTimeline::PathConstraintMixTimeline(int frameCount) : CurveTimeline(frameCount), _pathConstraintIndex(0) {
-        _frames.setSize(frameCount * ENTRIES);
+        _frames.setSize(frameCount * ENTRIES, 0);
     }
     
     void PathConstraintMixTimeline::apply(Skeleton& skeleton, float lastTime, float time, Vector<Event*>* pEvents, float alpha, MixPose pose, MixDirection direction) {
diff --git a/spine-cpp/spine-cpp/src/spine/PathConstraintPositionTimeline.cpp b/spine-cpp/spine-cpp/src/spine/PathConstraintPositionTimeline.cpp
index 09c327475..ce363db8b 100644
--- a/spine-cpp/spine-cpp/src/spine/PathConstraintPositionTimeline.cpp
+++ b/spine-cpp/spine-cpp/src/spine/PathConstraintPositionTimeline.cpp
@@ -49,7 +49,7 @@ namespace Spine {
     const int PathConstraintPositionTimeline::VALUE = 1;
     
     PathConstraintPositionTimeline::PathConstraintPositionTimeline(int frameCount) : CurveTimeline(frameCount), _pathConstraintIndex(0) {
-        _frames.setSize(frameCount * ENTRIES);
+        _frames.setSize(frameCount * ENTRIES, 0);
     }
 
     PathConstraintPositionTimeline::~PathConstraintPositionTimeline() {
diff --git a/spine-cpp/spine-cpp/src/spine/RegionAttachment.cpp b/spine-cpp/spine-cpp/src/spine/RegionAttachment.cpp
index 5b78d97d4..8cb5dca17 100644
--- a/spine-cpp/spine-cpp/src/spine/RegionAttachment.cpp
+++ b/spine-cpp/spine-cpp/src/spine/RegionAttachment.cpp
@@ -70,8 +70,8 @@ namespace Spine {
     _regionU2(0),
     _regionV2(0),
     _color(1, 1, 1, 1) {
-        _offset.setSize(NUM_UVS);
-        _uvs.setSize(NUM_UVS);
+        _vertexOffset.setSize(NUM_UVS, 0);
+        _uvs.setSize(NUM_UVS, 0);
     }
     
     void RegionAttachment::updateOffset() {
@@ -92,14 +92,14 @@ namespace Spine {
         float localY2Cos = localY2 * cos + _y;
         float localY2Sin = localY2 * sin;
         
-        _offset[BLX] = localXCos - localYSin;
-        _offset[BLY] = localYCos + localXSin;
-        _offset[ULX] = localXCos - localY2Sin;
-        _offset[ULY] = localY2Cos + localXSin;
-        _offset[URX] = localX2Cos - localY2Sin;
-        _offset[URY] = localY2Cos + localX2Sin;
-        _offset[BRX] = localX2Cos - localYSin;
-        _offset[BRY] = localYCos + localX2Sin;
+        _vertexOffset[BLX] = localXCos - localYSin;
+        _vertexOffset[BLY] = localYCos + localXSin;
+        _vertexOffset[ULX] = localXCos - localY2Sin;
+        _vertexOffset[ULY] = localY2Cos + localXSin;
+        _vertexOffset[URX] = localX2Cos - localY2Sin;
+        _vertexOffset[URY] = localY2Cos + localX2Sin;
+        _vertexOffset[BRX] = localX2Cos - localYSin;
+        _vertexOffset[BRY] = localYCos + localX2Sin;
     }
     
     void RegionAttachment::setUVs(float u, float v, float u2, float v2, bool rotate) {
@@ -127,33 +127,33 @@ namespace Spine {
     
     void RegionAttachment::computeWorldVertices(Bone& bone, Vector<float>& worldVertices, int offset, int stride) {
         assert(worldVertices.size() >= (offset + 8));
-        
-        float bwx = bone._worldX, bwy = bone._worldY;
-        float a = bone._a, b = bone._b, c = bone._c, d = bone._d;
+
+        float x = bone.getWorldX(), y = bone.getWorldY();
+        float a = bone.getA(), b = bone.getB(), c = bone.getC(), d = bone.getD();
         float offsetX, offsetY;
-        
-        offsetX = _offset[BRX]; // 0
-        offsetY = _offset[BRY]; // 1
-        worldVertices[offset] = offsetX * a + offsetY * b + bwx; // bl
-        worldVertices[offset + 1] = offsetX * c + offsetY * d + bwy;
+
+        offsetX = _vertexOffset[BRX];
+        offsetY = _vertexOffset[BRY];
+        worldVertices[offset] = offsetX * a + offsetY * b + x; // br
+        worldVertices[offset + 1] = offsetX * c + offsetY * d + y;
         offset += stride;
-        
-        offsetX = _offset[BLX]; // 2
-        offsetY = _offset[BLY]; // 3
-        worldVertices[offset] = offsetX * a + offsetY * b + bwx; // ul
-        worldVertices[offset + 1] = offsetX * c + offsetY * d + bwy;
+
+        offsetX = _vertexOffset[BLX];
+        offsetY = _vertexOffset[BLY];
+        worldVertices[offset] = offsetX * a + offsetY * b + x; // bl
+        worldVertices[offset + 1] = offsetX * c + offsetY * d + y;
         offset += stride;
-        
-        offsetX = _offset[ULX]; // 4
-        offsetY = _offset[ULY]; // 5
-        worldVertices[offset] = offsetX * a + offsetY * b + bwx; // ur
-        worldVertices[offset + 1] = offsetX * c + offsetY * d + bwy;
+
+        offsetX = _vertexOffset[ULX];
+        offsetY = _vertexOffset[ULY];
+        worldVertices[offset] = offsetX * a + offsetY * b + x; // ul
+        worldVertices[offset + 1] = offsetX * c + offsetY * d + y;
         offset += stride;
-        
-        offsetX = _offset[URX]; // 6
-        offsetY = _offset[URY]; // 7
-        worldVertices[offset] = offsetX * a + offsetY * b + bwx; // br
-        worldVertices[offset + 1] = offsetX * c + offsetY * d + bwy;
+
+        offsetX = _vertexOffset[URX];
+        offsetY = _vertexOffset[URY];
+        worldVertices[offset] = offsetX * a + offsetY * b + x; // ur
+        worldVertices[offset + 1] = offsetX * c + offsetY * d + y;
     }
     
     float RegionAttachment::getX() {
@@ -277,7 +277,7 @@ namespace Spine {
     }
     
     Vector<float>& RegionAttachment::getOffset() {
-        return _offset;
+        return _vertexOffset;
     }
     
     Vector<float>& RegionAttachment::getUVs() {
diff --git a/spine-cpp/spine-cpp/src/spine/RotateTimeline.cpp b/spine-cpp/spine-cpp/src/spine/RotateTimeline.cpp
index 1d3463141..eb09d0c3e 100644
--- a/spine-cpp/spine-cpp/src/spine/RotateTimeline.cpp
+++ b/spine-cpp/spine-cpp/src/spine/RotateTimeline.cpp
@@ -42,7 +42,7 @@ namespace Spine {
     RTTI_IMPL(RotateTimeline, CurveTimeline);
     
     RotateTimeline::RotateTimeline(int frameCount) : CurveTimeline(frameCount), _boneIndex(0) {
-        _frames.setSize(frameCount << 1);
+        _frames.setSize(frameCount << 1, 0);
     }
     
     void RotateTimeline::apply(Skeleton& skeleton, float lastTime, float time, Vector<Event*>* pEvents, float alpha, MixPose pose, MixDirection direction) {
@@ -127,6 +127,6 @@ namespace Spine {
     }
     
     void RotateTimeline::setFrames(Vector<float> inValue) {
-        _frames = inValue;
+        _frames.clearAndAddAll(inValue);
     }
 }
diff --git a/spine-cpp/spine-cpp/src/spine/Skeleton.cpp b/spine-cpp/spine-cpp/src/spine/Skeleton.cpp
index 8298ea6b4..83d89f563 100644
--- a/spine-cpp/spine-cpp/src/spine/Skeleton.cpp
+++ b/spine-cpp/spine-cpp/src/spine/Skeleton.cpp
@@ -412,7 +412,7 @@ namespace Spine {
 
                 verticesLength = 8;
                 if (outVertexBuffer.size() < 8) {
-                    outVertexBuffer.setSize(8);
+                    outVertexBuffer.setSize(8, 0);
                 }
                 regionAttachment->computeWorldVertices(slot->getBone(), outVertexBuffer, 0);
             }
@@ -421,7 +421,7 @@ namespace Spine {
 
                 verticesLength = mesh->getWorldVerticesLength();
                 if (outVertexBuffer.size() < verticesLength) {
-                    outVertexBuffer.setSize(verticesLength);
+                    outVertexBuffer.setSize(verticesLength, 0);
                 }
 
                 mesh->computeWorldVertices(*slot, 0, verticesLength, outVertexBuffer, 0);
diff --git a/spine-cpp/spine-cpp/src/spine/SkeletonBinary.cpp b/spine-cpp/spine-cpp/src/spine/SkeletonBinary.cpp
index bb11111b6..94a3fac83 100644
--- a/spine-cpp/spine-cpp/src/spine/SkeletonBinary.cpp
+++ b/spine-cpp/spine-cpp/src/spine/SkeletonBinary.cpp
@@ -147,7 +147,7 @@ namespace Spine {
         
         /* Bones. */
         int bonesCount = readVarint(input, true);
-        skeletonData->_bones.setSize(bonesCount);
+        skeletonData->_bones.setSize(bonesCount, 0);
         for (int i = 0; i < bonesCount; ++i) {
             const char* name = readString(input);
             BoneData* parent = i == 0 ? 0 : skeletonData->_bones[readVarint(input, true)];
@@ -170,7 +170,7 @@ namespace Spine {
 
         /* Slots. */
         int slotsCount = readVarint(input, true);
-        skeletonData->_slots.setSize(slotsCount);
+        skeletonData->_slots.setSize(slotsCount, 0);
         for (int i = 0; i < slotsCount; ++i) {
             const char* slotName = readString(input);
             BoneData* boneData = skeletonData->_bones[readVarint(input, true)];
@@ -192,13 +192,13 @@ namespace Spine {
 
         /* IK constraints. */
         int ikConstraintsCount = readVarint(input, true);
-        skeletonData->_ikConstraints.setSize(ikConstraintsCount);
+        skeletonData->_ikConstraints.setSize(ikConstraintsCount, 0);
         for (int i = 0; i < ikConstraintsCount; ++i) {
             const char* name = readString(input);
             IkConstraintData* data = new (__FILE__, __LINE__) IkConstraintData(String(name, true));
             data->_order = readVarint(input, true);
             int bonesCount = readVarint(input, true);
-            data->_bones.setSize(bonesCount);
+            data->_bones.setSize(bonesCount, 0);
             for (int ii = 0; ii < bonesCount; ++ii) {
                 data->_bones[ii] = skeletonData->_bones[readVarint(input, true)];
             }
@@ -210,13 +210,13 @@ namespace Spine {
 
         /* Transform constraints. */
         int transformConstraintsCount = readVarint(input, true);
-        skeletonData->_transformConstraints.setSize(transformConstraintsCount);
+        skeletonData->_transformConstraints.setSize(transformConstraintsCount, 0);
         for (int i = 0; i < transformConstraintsCount; ++i) {
             const char* name = readString(input);
             TransformConstraintData* data = new (__FILE__, __LINE__) TransformConstraintData(String(name, true));
             data->_order = readVarint(input, true);
             int bonesCount = readVarint(input, true);
-            data->_bones.setSize(bonesCount);
+            data->_bones.setSize(bonesCount, 0);
             for (int ii = 0; ii < bonesCount; ++ii) {
                 data->_bones[ii] = skeletonData->_bones[readVarint(input, true)];
             }
@@ -238,13 +238,13 @@ namespace Spine {
 
         /* Path constraints */
         int pathConstraintsCount = readVarint(input, true);
-        skeletonData->_pathConstraints.setSize(pathConstraintsCount);
+        skeletonData->_pathConstraints.setSize(pathConstraintsCount, 0);
         for (int i = 0; i < pathConstraintsCount; ++i) {
             const char* name = readString(input);
             PathConstraintData* data = new (__FILE__, __LINE__) PathConstraintData(String(name, true));
             data->_order = readVarint(input, true);
             int bonesCount = readVarint(input, true);
-            data->_bones.setSize(bonesCount);
+            data->_bones.setSize(bonesCount, 0);
             for (int ii = 0; ii < bonesCount; ++ii) {
                 data->_bones[ii] = skeletonData->_bones[readVarint(input, true)];
             }
@@ -268,7 +268,7 @@ namespace Spine {
         if (skeletonData->_defaultSkin) {
             ++skinsCount;
         }
-        skeletonData->_skins.setSize(skinsCount);
+        skeletonData->_skins.setSize(skinsCount, 0);
         if (skeletonData->_defaultSkin) {
             skeletonData->_skins[0] = skeletonData->_defaultSkin;
         }
@@ -304,7 +304,7 @@ namespace Spine {
 
         /* Events. */
         int eventsCount = readVarint(input, true);
-        skeletonData->_events.setSize(eventsCount);
+        skeletonData->_events.setSize(eventsCount, 0);
         for (int i = 0; i < eventsCount; ++i) {
             const char* name = readString(input);
             EventData* eventData = new (__FILE__, __LINE__) EventData(String(name, true));
@@ -317,7 +317,7 @@ namespace Spine {
 
         /* Animations. */
         int animationsCount = readVarint(input, true);
-        skeletonData->_animations.setSize(animationsCount);
+        skeletonData->_animations.setSize(animationsCount, 0);
         for (int i = 0; i < animationsCount; ++i) {
             String name(readString(input), true);
             Animation* animation = readAnimation(name, input, skeletonData);
@@ -534,7 +534,7 @@ namespace Spine {
                 int vertexCount = readVarint(input, true);
                 readVertices(input, static_cast<VertexAttachment *>(path), vertexCount);
                 int lengthsLength = vertexCount / 3;
-                path->_lengths.setSize(lengthsLength);
+                path->_lengths.setSize(lengthsLength, 0);
                 for (int i = 0; i < lengthsLength; ++i) {
                     path->_lengths[i] = readFloat(input) * _scale;
                 }
@@ -601,7 +601,7 @@ namespace Spine {
     }
     
     void SkeletonBinary::readFloatArray(DataInput *input, int n, float scale, Vector<float>& array) {
-        array.setSize(n);
+        array.setSize(n, 0);
         
         int i;
         if (scale == 1) {
@@ -618,7 +618,7 @@ namespace Spine {
     
     void SkeletonBinary::readShortArray(DataInput *input, Vector<unsigned short>& array) {
         int n = readVarint(input, true);
-        array.setSize(n);
+        array.setSize(n, 0);
         
         int i;
         for (i = 0; i < n; ++i) {
@@ -877,17 +877,17 @@ namespace Spine {
                         int end = readVarint(input, true);
                         if (end == 0) {
                             if (weighted) {
-                                deform.setSize(deformLength);
+                                deform.setSize(deformLength, 0);
                                 for (int i = 0; i < deformLength; ++i) {
 									deform[i] = 0;
                                 }
                             }
                             else {
-                                deform = vertices;
+                                deform.clearAndAddAll(vertices);
                             }
                         }
                         else {
-                            deform.setSize(deformLength);
+                            deform.setSize(deformLength, 0);
                             int start = readVarint(input, true);
                             end += start;
                             if (scale == 1) {
@@ -931,13 +931,13 @@ namespace Spine {
                 int offsetCount = readVarint(input, true);
                 
                 Vector<int> drawOrder;
-                drawOrder.setSize(slotCount);
+                drawOrder.setSize(slotCount, 0);
                 for (int ii = slotCount - 1; ii >= 0; --ii) {
                     drawOrder[ii] = -1;
                 }
                 
                 Vector<int> unchanged;
-                unchanged.setSize(slotCount - offsetCount);
+                unchanged.setSize(slotCount - offsetCount, 0);
                 int originalIndex = 0, unchangedIndex = 0;
                 for (int ii = 0; ii < offsetCount; ++ii) {
                     int slotIndex = readVarint(input, true);
diff --git a/spine-cpp/spine-cpp/src/spine/SkeletonBounds.cpp b/spine-cpp/spine-cpp/src/spine/SkeletonBounds.cpp
index 5858e09ba..7daef4405 100644
--- a/spine-cpp/spine-cpp/src/spine/SkeletonBounds.cpp
+++ b/spine-cpp/spine-cpp/src/spine/SkeletonBounds.cpp
@@ -77,7 +77,7 @@ namespace Spine {
             int count = boundingBox->getWorldVerticesLength();
             polygon._count = count;
             if (polygon._vertices.size() < count) {
-                polygon._vertices.setSize(count);
+                polygon._vertices.setSize(count, 0);
             }
             boundingBox->computeWorldVertices(*slot, polygon._vertices);
         }
diff --git a/spine-cpp/spine-cpp/src/spine/SkeletonClipping.cpp b/spine-cpp/spine-cpp/src/spine/SkeletonClipping.cpp
index 158d3d4cc..617cb0e86 100644
--- a/spine-cpp/spine-cpp/src/spine/SkeletonClipping.cpp
+++ b/spine-cpp/spine-cpp/src/spine/SkeletonClipping.cpp
@@ -49,12 +49,12 @@ namespace Spine {
         _clipAttachment = clip;
 
         int n = clip->getWorldVerticesLength();
-        _clippingPolygon.setSize(n);
+        _clippingPolygon.setSize(n, 0);
         clip->computeWorldVertices(slot, 0, n, _clippingPolygon, 0, 2);
         makeClockwise(_clippingPolygon);
         Vector< Vector<float>* > clippingPolygons = _triangulator.decompose(_clippingPolygon, _triangulator.triangulate(_clippingPolygon));
         
-        _clippingPolygons = clippingPolygons;
+        _clippingPolygons.clearAndAddAll(clippingPolygons);
         
         for (size_t i = 0; i < _clippingPolygons.size(); ++i) {
             Vector<float>* polygonP = _clippingPolygons[i];
@@ -123,8 +123,8 @@ namespace Spine {
                     float d = 1 / (d0 * d2 + d1 * (y1 - y3));
 
                     int clipOutputCount = clipOutputLength >> 1;
-                    clippedVertices.setSize(s + clipOutputCount * 2);
-                    _clippedUVs.setSize(s + clipOutputCount * 2);
+                    clippedVertices.setSize(s + clipOutputCount * 2, 0);
+                    _clippedUVs.setSize(s + clipOutputCount * 2, 0);
                     for (int ii = 0; ii < clipOutputLength; ii += 2) {
                         float x = clipOutput[ii], y = clipOutput[ii + 1];
                         clippedVertices[s] = x;
@@ -139,7 +139,7 @@ namespace Spine {
                     }
 
                     s = static_cast<int>(clippedTriangles.size());
-                    clippedTriangles.setSize(s + 3 * (clipOutputCount - 2));
+                    clippedTriangles.setSize(s + 3 * (clipOutputCount - 2), 0);
                     clipOutputCount--;
                     for (int ii = 1; ii < clipOutputCount; ii++) {
                         clippedTriangles[s] = index;
@@ -150,8 +150,8 @@ namespace Spine {
                     index += clipOutputCount + 1;
                 }
                 else {
-                    clippedVertices.setSize(s + 3 * 2);
-                    _clippedUVs.setSize(s + 3 * 2);
+                    clippedVertices.setSize(s + 3 * 2, 0);
+                    _clippedUVs.setSize(s + 3 * 2, 0);
                     clippedVertices[s] = x1;
                     clippedVertices[s + 1] = y1;
                     clippedVertices[s + 2] = x2;
@@ -167,7 +167,7 @@ namespace Spine {
                     _clippedUVs[s + 5] = v3;
 
                     s = static_cast<int>(clippedTriangles.size());
-                    clippedTriangles.setSize(s + 3);
+                    clippedTriangles.setSize(s + 3, 0);
                     clippedTriangles[s] = index;
                     clippedTriangles[s + 1] = index + 1;
                     clippedTriangles[s + 2] = index + 2;
@@ -283,7 +283,7 @@ namespace Spine {
             }
         }
         else {
-            originalOutput->setSize(originalOutput->size() - 2);
+            originalOutput->setSize(originalOutput->size() - 2, 0);
         }
 
         return clipped;
diff --git a/spine-cpp/spine-cpp/src/spine/SkeletonData.cpp b/spine-cpp/spine-cpp/src/spine/SkeletonData.cpp
index d0f76b180..d1dddca54 100644
--- a/spine-cpp/spine-cpp/src/spine/SkeletonData.cpp
+++ b/spine-cpp/spine-cpp/src/spine/SkeletonData.cpp
@@ -134,7 +134,7 @@ namespace Spine {
     }
     
     void SkeletonData::setSkins(Vector<Skin*>& inValue) {
-        _skins = inValue;
+        _skins.clearAndAddAll(inValue);
     }
     
     Skin* SkeletonData::getDefaultSkin() {
@@ -150,7 +150,7 @@ namespace Spine {
     }
     
     void SkeletonData::setEvents(Vector<EventData*>& inValue) {
-        _events = inValue;
+        _events.clearAndAddAll(inValue);
     }
     
     Vector<Animation*>& SkeletonData::getAnimations() {
@@ -158,7 +158,7 @@ namespace Spine {
     }
     
     void SkeletonData::setAnimations(Vector<Animation*>& inValue) {
-        _animations = inValue;
+        _animations.clearAndAddAll(inValue);
     }
     
     Vector<IkConstraintData*>& SkeletonData::getIkConstraints() {
@@ -166,7 +166,7 @@ namespace Spine {
     }
     
     void SkeletonData::setIkConstraints(Vector<IkConstraintData*>& inValue) {
-        _ikConstraints = inValue;
+        _ikConstraints.clearAndAddAll(inValue);
     }
     
     Vector<TransformConstraintData*>& SkeletonData::getTransformConstraints() {
@@ -174,7 +174,7 @@ namespace Spine {
     }
     
     void SkeletonData::setTransformConstraints(Vector<TransformConstraintData*>& inValue) {
-        _transformConstraints = inValue;
+        _transformConstraints.clearAndAddAll(inValue);
     }
     
     Vector<PathConstraintData*>& SkeletonData::getPathConstraints() {
@@ -182,7 +182,7 @@ namespace Spine {
     }
     
     void SkeletonData::setPathConstraints(Vector<PathConstraintData*>& inValue) {
-        _pathConstraints = inValue;
+        _pathConstraints.clearAndAddAll(inValue);
     }
     
     float SkeletonData::getWidth() {
diff --git a/spine-cpp/spine-cpp/src/spine/SkeletonJson.cpp b/spine-cpp/spine-cpp/src/spine/SkeletonJson.cpp
index 94083692e..1c7e3d1e4 100644
--- a/spine-cpp/spine-cpp/src/spine/SkeletonJson.cpp
+++ b/spine-cpp/spine-cpp/src/spine/SkeletonJson.cpp
@@ -144,8 +144,7 @@ namespace Spine {
 
         /* Bones. */
         bones = Json::getItem(root, "bones");
-        skeletonData->_bones.ensureCapacity(bones->_size);
-        skeletonData->_bones.setSize(bones->_size);
+        skeletonData->_bones.setSize(bones->_size, 0);
         int bonesCount = 0;
         for (boneMap = bones->_child, i = 0; boneMap; boneMap = boneMap->_next, ++i) {
             BoneData* data;
@@ -199,7 +198,7 @@ namespace Spine {
         if (slots) {
             Json *slotMap;
             skeletonData->_slots.ensureCapacity(slots->_size);
-            skeletonData->_slots.setSize(slots->_size);
+            skeletonData->_slots.setSize(slots->_size, 0);
             for (slotMap = slots->_child, i = 0; slotMap; slotMap = slotMap->_next, ++i) {
                 SlotData* data;
                 const char* color;
@@ -262,7 +261,7 @@ namespace Spine {
         if (ik) {
             Json *constraintMap;
             skeletonData->_ikConstraints.ensureCapacity(ik->_size);
-            skeletonData->_ikConstraints.setSize(ik->_size);
+            skeletonData->_ikConstraints.setSize(ik->_size, 0);
             for (constraintMap = ik->_child, i = 0; constraintMap; constraintMap = constraintMap->_next, ++i) {
                 const char* targetName;
 
@@ -272,7 +271,7 @@ namespace Spine {
 
                 boneMap = Json::getItem(constraintMap, "bones");
                 data->_bones.ensureCapacity(boneMap->_size);
-                data->_bones.setSize(boneMap->_size);
+                data->_bones.setSize(boneMap->_size, 0);
                 for (boneMap = boneMap->_child, ii = 0; boneMap; boneMap = boneMap->_next, ++ii) {
                     data->_bones[ii] = skeletonData->findBone(boneMap->_valueString);
                     if (!data->_bones[ii]) {
@@ -302,7 +301,7 @@ namespace Spine {
         if (transform) {
             Json *constraintMap;
             skeletonData->_transformConstraints.ensureCapacity(transform->_size);
-            skeletonData->_transformConstraints.setSize(transform->_size);
+            skeletonData->_transformConstraints.setSize(transform->_size, 0);
             for (constraintMap = transform->_child, i = 0; constraintMap; constraintMap = constraintMap->_next, ++i) {
                 const char* name;
 
@@ -312,7 +311,7 @@ namespace Spine {
 
                 boneMap = Json::getItem(constraintMap, "bones");
                 data->_bones.ensureCapacity(boneMap->_size);
-                data->_bones.setSize(boneMap->_size);
+                data->_bones.setSize(boneMap->_size, 0);
                 for (boneMap = boneMap->_child, ii = 0; boneMap; boneMap = boneMap->_next, ++ii) {
                     data->_bones[ii] = skeletonData->findBone(boneMap->_valueString);
                     if (!data->_bones[ii]) {
@@ -353,7 +352,7 @@ namespace Spine {
         if (path) {
             Json *constraintMap;
             skeletonData->_pathConstraints.ensureCapacity(path->_size);
-            skeletonData->_pathConstraints.setSize(path->_size);
+            skeletonData->_pathConstraints.setSize(path->_size, 0);
             for (constraintMap = path->_child, i = 0; constraintMap; constraintMap = constraintMap->_next, ++i) {
                 const char* name;
                 const char* item;
@@ -364,7 +363,7 @@ namespace Spine {
 
                 boneMap = Json::getItem(constraintMap, "bones");
                 data->_bones.ensureCapacity(boneMap->_size);
-                data->_bones.setSize(boneMap->_size);
+                data->_bones.setSize(boneMap->_size, 0);
                 for (boneMap = boneMap->_child, ii = 0; boneMap; boneMap = boneMap->_next, ++ii) {
                     data->_bones[ii] = skeletonData->findBone(boneMap->_valueString);
                     if (!data->_bones[ii]) {
@@ -433,7 +432,7 @@ namespace Spine {
         if (skins) {
             Json *skinMap;
             skeletonData->_skins.ensureCapacity(skins->_size);
-            skeletonData->_skins.setSize(skins->_size);
+            skeletonData->_skins.setSize(skins->_size, 0);
             int skinsIndex = 0;
             for (skinMap = skins->_child, i = 0; skinMap; skinMap = skinMap->_next, ++i) {
                 Json *attachmentsMap;
@@ -539,7 +538,7 @@ namespace Spine {
                                     int verticesLength;
                                     entry = Json::getItem(attachmentMap, "triangles");
                                     mesh->_triangles.ensureCapacity(entry->_size);
-                                    mesh->_triangles.setSize(entry->_size);
+                                    mesh->_triangles.setSize(entry->_size, 0);
                                     for (entry = entry->_child, ii = 0; entry; entry = entry->_next, ++ii) {
                                         mesh->_triangles[ii] = (unsigned short)entry->_valueInt;
                                     }
@@ -547,7 +546,7 @@ namespace Spine {
                                     entry = Json::getItem(attachmentMap, "uvs");
                                     verticesLength = entry->_size;
                                     mesh->_regionUVs.ensureCapacity(verticesLength);
-                                    mesh->_regionUVs.setSize(verticesLength);
+                                    mesh->_regionUVs.setSize(verticesLength, 0);
                                     for (entry = entry->_child, ii = 0; entry; entry = entry->_next, ++ii) {
                                         mesh->_regionUVs[ii] = entry->_valueFloat;
                                     }
@@ -561,7 +560,7 @@ namespace Spine {
                                     entry = Json::getItem(attachmentMap, "edges");
                                     if (entry) {
                                         mesh->_edges.ensureCapacity(entry->_size);
-                                        mesh->_edges.setSize(entry->_size);
+                                        mesh->_edges.setSize(entry->_size, 0);
                                         for (entry = entry->_child, ii = 0; entry; entry = entry->_next, ++ii) {
                                             mesh->_edges[ii] = entry->_valueInt;
                                         }
@@ -595,7 +594,7 @@ namespace Spine {
                                 readVertices(attachmentMap, pathAttatchment, vertexCount << 1);
 
                                 pathAttatchment->_lengths.ensureCapacity(vertexCount / 3);
-                                pathAttatchment->_lengths.setSize(vertexCount / 3);
+                                pathAttatchment->_lengths.setSize(vertexCount / 3, 0);
 
                                 curves = Json::getItem(attachmentMap, "lengths");
                                 for (curves = curves->_child, ii = 0; curves; curves = curves->_next, ++ii) {
@@ -662,7 +661,7 @@ namespace Spine {
         if (events) {
             Json *eventMap;
             skeletonData->_events.ensureCapacity(events->_size);
-            skeletonData->_events.setSize(events->_size);
+            skeletonData->_events.setSize(events->_size, 0);
             for (eventMap = events->_child, i = 0; eventMap; eventMap = eventMap->_next, ++i) {
                 EventData* eventData = new (__FILE__, __LINE__) EventData(String(eventMap->_name));
                 
@@ -679,7 +678,7 @@ namespace Spine {
         if (animations) {
             Json *animationMap;
             skeletonData->_animations.ensureCapacity(animations->_size);
-            skeletonData->_animations.setSize(animations->_size);
+            skeletonData->_animations.setSize(animations->_size, 0);
             int animationsIndex = 0;
             for (animationMap = animations->_child; animationMap; animationMap = animationMap->_next) {
                 Animation* animation = readAnimation(animationMap, skeletonData);
@@ -1049,19 +1048,16 @@ namespace Spine {
                         Vector<float> deform;
                         if (!vertices) {
                             if (weighted) {
-                                deform.setSize(deformLength);
-                                for (int i = 0; i < deformLength; ++i) {
-                                    deform[i] = 0;
-                                }
+                                deform.setSize(deformLength, 0);
                             }
                             else {
-                                deform = attachment->_vertices;
+                                deform.clearAndAddAll(attachment->_vertices);
                             }
                         }
                         else {
                             int v, start = Json::getInt(valueMap, "offset", 0);
                             Json* vertex;
-                            deform.setSize(deformLength);
+                            deform.setSize(deformLength, 0);
                             if (_scale == 1) {
                                 for (vertex = vertices->_child, v = start; vertex; vertex = vertex->_next, ++v) {
                                     deform[v] = vertex->_valueFloat;
@@ -1102,11 +1098,11 @@ namespace Spine {
                     Json* offsetMap;
                     Vector<int> unchanged;
                     unchanged.ensureCapacity(skeletonData->_slots.size() - offsets->_size);
-                    unchanged.setSize(skeletonData->_slots.size() - offsets->_size);
+                    unchanged.setSize(skeletonData->_slots.size() - offsets->_size, 0);
                     int originalIndex = 0, unchangedIndex = 0;
 
                     drawOrder2.ensureCapacity(skeletonData->_slots.size());
-                    drawOrder2.setSize(skeletonData->_slots.size());
+                    drawOrder2.setSize(skeletonData->_slots.size(), 0);
                     for (ii = static_cast<int>(skeletonData->_slots.size()) - 1; ii >= 0; --ii) {
                         drawOrder2[ii] = -1;
                     }
@@ -1181,7 +1177,7 @@ namespace Spine {
         entry = Json::getItem(attachmentMap, "vertices");
         entrySize = entry->_size;
         vertices.ensureCapacity(entrySize);
-        vertices.setSize(entrySize);
+        vertices.setSize(entrySize, 0);
         for (entry = entry->_child, i = 0; entry; entry = entry->_next, ++i) {
             vertices[i] = entry->_valueFloat;
         }
diff --git a/spine-cpp/spine-cpp/src/spine/Slot.cpp b/spine-cpp/spine-cpp/src/spine/Slot.cpp
index 2df778d21..a2c60e404 100644
--- a/spine-cpp/spine-cpp/src/spine/Slot.cpp
+++ b/spine-cpp/spine-cpp/src/spine/Slot.cpp
@@ -115,8 +115,8 @@ namespace Spine {
         return _attachmentVertices;
     }
     
-    void Slot::setAttachmentVertices(Vector<float> inValue) {
-        _attachmentVertices = inValue;
+    void Slot::setAttachmentVertices(Vector<float>& inValue) {
+        _attachmentVertices.clearAndAddAll(inValue);
     }
 
     String Slot::toString() const {
diff --git a/spine-cpp/spine-cpp/src/spine/TransformConstraintTimeline.cpp b/spine-cpp/spine-cpp/src/spine/TransformConstraintTimeline.cpp
index 3324d4664..c21aafa73 100644
--- a/spine-cpp/spine-cpp/src/spine/TransformConstraintTimeline.cpp
+++ b/spine-cpp/spine-cpp/src/spine/TransformConstraintTimeline.cpp
@@ -55,8 +55,7 @@ namespace Spine {
     const int TransformConstraintTimeline::SHEAR = 4;
     
     TransformConstraintTimeline::TransformConstraintTimeline(int frameCount) : CurveTimeline(frameCount), _transformConstraintIndex(0) {
-		_frames.ensureCapacity(frameCount * ENTRIES);
-        _frames.setSize(frameCount * ENTRIES);
+        _frames.setSize(frameCount * ENTRIES, 0);
     }
     
     void TransformConstraintTimeline::apply(Skeleton& skeleton, float lastTime, float time, Vector<Event*>* pEvents, float alpha, MixPose pose, MixDirection direction) {
diff --git a/spine-cpp/spine-cpp/src/spine/TranslateTimeline.cpp b/spine-cpp/spine-cpp/src/spine/TranslateTimeline.cpp
index fe1ee655f..a9b583381 100644
--- a/spine-cpp/spine-cpp/src/spine/TranslateTimeline.cpp
+++ b/spine-cpp/spine-cpp/src/spine/TranslateTimeline.cpp
@@ -52,7 +52,7 @@ namespace Spine {
     
     TranslateTimeline::TranslateTimeline(int frameCount) : CurveTimeline(frameCount), _boneIndex(0) {
 		_frames.ensureCapacity(frameCount * ENTRIES);
-        _frames.setSize(frameCount * ENTRIES);
+        _frames.setSize(frameCount * ENTRIES, 0);
     }
 
     TranslateTimeline::~TranslateTimeline() {
diff --git a/spine-cpp/spine-cpp/src/spine/Triangulator.cpp b/spine-cpp/spine-cpp/src/spine/Triangulator.cpp
index 4b3ee9813..b89a020b7 100644
--- a/spine-cpp/spine-cpp/src/spine/Triangulator.cpp
+++ b/spine-cpp/spine-cpp/src/spine/Triangulator.cpp
@@ -39,14 +39,14 @@ namespace Spine {
         Vector<int>& indices = _indices;
         indices.clear();
 		indices.ensureCapacity(vertexCount);
-        indices.setSize(vertexCount);
+        indices.setSize(vertexCount, 0);
         for (int i = 0; i < vertexCount; ++i) {
             indices[i] = i;
         }
         
         Vector<bool>& isConcaveArray = _isConcaveArray;
 		isConcaveArray.ensureCapacity(vertexCount);
-        isConcaveArray.setSize(vertexCount);
+        isConcaveArray.setSize(vertexCount, 0);
         for (int i = 0, n = vertexCount; i < n; ++i) {
             isConcaveArray[i] = isConcave(i, vertexCount, vertices, indices);
         }
@@ -136,13 +136,11 @@ namespace Spine {
         }
         convexPolygonsIndices.clear();
         
-        Vector<int>* polygonIndicesP = _polygonIndicesPool.obtain();
-        Vector<int>& polygonIndices = *polygonIndicesP;
-        polygonIndices.clear();
+        Vector<int>* polygonIndices = _polygonIndicesPool.obtain();
+        polygonIndices->clear();
         
-        Vector<float>* polygonP = _polygonPool.obtain();
-        Vector<float>& polygon = *polygonP;
-        polygon.clear();
+        Vector<float>* polygon = _polygonPool.obtain();
+        polygon->clear();
         
         // Merge subsequent triangles if they form a triangle fan.
         int fanBaseIndex = -1, lastwinding = 0;
@@ -155,64 +153,63 @@ namespace Spine {
             // If the base of the last triangle is the same as this triangle, check if they form a convex polygon (triangle fan).
             bool merged = false;
             if (fanBaseIndex == t1) {
-                size_t o = polygon.size() - 4;
-                Vector<float>& p = polygon;
+                size_t o = polygon->size() - 4;
+                Vector<float>& p = *polygon;
                 int winding1 = winding(p[o], p[o + 1], p[o + 2], p[o + 3], x3, y3);
                 int winding2 = winding(x3, y3, p[0], p[1], p[2], p[3]);
                 if (winding1 == lastwinding && winding2 == lastwinding) {
-                    polygon.add(x3);
-                    polygon.add(y3);
-                    polygonIndices.add(t3);
+                    polygon->add(x3);
+                    polygon->add(y3);
+                    polygonIndices->add(t3);
                     merged = true;
                 }
             }
             
             // Otherwise make this triangle the new base.
             if (!merged) {
-                if (polygon.size() > 0) {
-                    convexPolygons.add(&polygon);
-                    convexPolygonsIndices.add(&polygonIndices);
+                if (polygon->size() > 0) {
+                    convexPolygons.add(polygon);
+                    convexPolygonsIndices.add(polygonIndices);
                 }
                 else {
-                    _polygonPool.free(&polygon);
-                    _polygonIndicesPool.free(&polygonIndices);
+                    _polygonPool.free(polygon);
+                    _polygonIndicesPool.free(polygonIndices);
                 }
                 
-                polygon = *_polygonPool.obtain();
-                polygon.clear();
-                polygon.add(x1);
-                polygon.add(y1);
-                polygon.add(x2);
-                polygon.add(y2);
-                polygon.add(x3);
-                polygon.add(y3);
-                polygonIndices = *_polygonIndicesPool.obtain();
-                polygonIndices.clear();
-                polygonIndices.add(t1);
-                polygonIndices.add(t2);
-                polygonIndices.add(t3);
+                polygon = _polygonPool.obtain();
+                polygon->clear();
+                polygon->add(x1);
+                polygon->add(y1);
+                polygon->add(x2);
+                polygon->add(y2);
+                polygon->add(x3);
+                polygon->add(y3);
+                polygonIndices = _polygonIndicesPool.obtain();
+                polygonIndices->clear();
+                polygonIndices->add(t1);
+                polygonIndices->add(t2);
+                polygonIndices->add(t3);
                 lastwinding = winding(x1, y1, x2, y2, x3, y3);
                 fanBaseIndex = t1;
             }
         }
         
-        if (polygon.size() > 0) {
-            convexPolygons.add(&polygon);
-            convexPolygonsIndices.add(&polygonIndices);
+        if (polygon->size() > 0) {
+            convexPolygons.add(polygon);
+            convexPolygonsIndices.add(polygonIndices);
         }
         
         // Go through the list of polygons and try to merge the remaining triangles with the found triangle fans.
         for (size_t i = 0, n = convexPolygons.size(); i < n; ++i) {
-            polygonIndicesP = convexPolygonsIndices[i];
-            polygonIndices = *polygonIndicesP;
+            polygonIndices = convexPolygonsIndices[i];
             
-            if (polygonIndices.size() == 0) continue;
-            int firstIndex = polygonIndices[0];
-            int lastIndex = polygonIndices[polygonIndices.size() - 1];
+            if (polygonIndices->size() == 0) continue;
+            int firstIndex = (*polygonIndices)[0];
+            int lastIndex = (*polygonIndices)[polygonIndices->size() - 1];
             
-            polygon = *convexPolygons[i];
-            size_t o = polygon.size() - 4;
-            Vector<float>& p = polygon;
+            polygon = convexPolygons[i];
+            size_t o = polygon->size() - 4;
+            Vector<float>& p = *polygon;
             float prevPrevX = p[o], prevPrevY = p[o + 1];
             float prevX = p[o + 2], prevY = p[o + 3];
             float firstX = p[0], firstY = p[1];
@@ -249,9 +246,9 @@ namespace Spine {
                 if (winding1 == winding0 && winding2 == winding0) {
                     otherPoly.clear();
                     otherIndices.clear();
-                    polygon.add(x3);
-                    polygon.add(y3);
-                    polygonIndices.add(otherLastIndex);
+                    polygon->add(x3);
+                    polygon->add(y3);
+                    polygonIndices->add(otherLastIndex);
                     prevPrevX = prevX;
                     prevPrevY = prevY;
                     prevX = x3;
@@ -263,13 +260,13 @@ namespace Spine {
         
         // Remove empty polygons that resulted from the merge step above.
         for (int i = static_cast<int>(convexPolygons.size()) - 1; i >= 0; --i) {
-            polygon = *convexPolygons[i];
-            if (polygon.size() == 0) {
+            polygon = convexPolygons[i];
+            if (polygon->size() == 0) {
                 convexPolygons.removeAt(i);
-                _polygonPool.free(&polygon);
-                polygonIndices = *convexPolygonsIndices[i];
+                _polygonPool.free(polygon);
+                polygonIndices = convexPolygonsIndices[i];
                 convexPolygonsIndices.removeAt(i);
-                _polygonIndicesPool.free(&polygonIndices);
+                _polygonIndicesPool.free(polygonIndices);
             }
         }
         
diff --git a/spine-cpp/spine-cpp/src/spine/TwoColorTimeline.cpp b/spine-cpp/spine-cpp/src/spine/TwoColorTimeline.cpp
index bb66cea52..db25233fb 100644
--- a/spine-cpp/spine-cpp/src/spine/TwoColorTimeline.cpp
+++ b/spine-cpp/spine-cpp/src/spine/TwoColorTimeline.cpp
@@ -60,7 +60,7 @@ namespace Spine {
     
     TwoColorTimeline::TwoColorTimeline(int frameCount) : CurveTimeline(frameCount), _slotIndex(0) {
 		_frames.ensureCapacity(frameCount * ENTRIES);
-        _frames.setSize(frameCount * ENTRIES);
+        _frames.setSize(frameCount * ENTRIES, 0);
     }
     
     void TwoColorTimeline::apply(Skeleton& skeleton, float lastTime, float time, Vector<Event*>* pEvents, float alpha, MixPose pose, MixDirection direction) {
diff --git a/spine-cpp/spine-cpp/src/spine/VertexAttachment.cpp b/spine-cpp/spine-cpp/src/spine/VertexAttachment.cpp
index a39832379..974c2c96e 100644
--- a/spine-cpp/spine-cpp/src/spine/VertexAttachment.cpp
+++ b/spine-cpp/spine-cpp/src/spine/VertexAttachment.cpp
@@ -51,11 +51,11 @@ namespace Spine {
     void VertexAttachment::computeWorldVertices(Slot& slot, int start, int count, Vector<float>& worldVertices, int offset, int stride) {
         count = offset + (count >> 1) * stride;
         Skeleton& skeleton = slot._bone._skeleton;
-        Vector<float>& deformArray = slot.getAttachmentVertices();
-        Vector<float>& vertices = _vertices;
+        Vector<float>* deformArray = &slot.getAttachmentVertices();
+        Vector<float>* vertices = &_vertices;
         Vector<int>& bones = _bones;
         if (bones.size() == 0) {
-            if (deformArray.size() > 0) {
+            if (deformArray->size() > 0) {
                 vertices = deformArray;
             }
             
@@ -64,8 +64,8 @@ namespace Spine {
             float y = bone._worldY;
             float a = bone._a, b = bone._b, c = bone._c, d = bone._d;
             for (int vv = start, w = offset; w < count; vv += 2, w += stride) {
-                float vx = vertices[vv];
-                float vy = vertices[vv + 1];
+                float vx = (*vertices)[vv];
+                float vy = (*vertices)[vv + 1];
                 worldVertices[w] = vx * a + vy * b + x;
                 worldVertices[w + 1] = vx * c + vy * d + y;
             }
@@ -80,7 +80,7 @@ namespace Spine {
         }
         
         Vector<Bone*>& skeletonBones = skeleton.getBones();
-        if (deformArray.size() == 0) {
+        if (deformArray->size() == 0) {
             for (int w = offset, b = skip * 3; w < count; w += stride) {
                 float wx = 0, wy = 0;
                 int n = bones[v++];
@@ -88,9 +88,9 @@ namespace Spine {
                 for (; v < n; v++, b += 3) {
                     Bone* boneP = skeletonBones[bones[v]];
                     Bone& bone = *boneP;
-                    float vx = vertices[b];
-                    float vy = vertices[b + 1];
-                    float weight = vertices[b + 2];
+                    float vx = (*vertices)[b];
+                    float vy = (*vertices)[b + 1];
+                    float weight = (*vertices)[b + 2];
                     wx += (vx * bone._a + vy * bone._b + bone._worldX) * weight;
                     wy += (vx * bone._c + vy * bone._d + bone._worldY) * weight;
                 }
@@ -106,9 +106,9 @@ namespace Spine {
                 for (; v < n; v++, b += 3, f += 2) {
                     Bone* boneP = skeletonBones[bones[v]];
                     Bone& bone = *boneP;
-                    float vx = vertices[b] + deformArray[f];
-                    float vy = vertices[b + 1] + deformArray[f + 1];
-                    float weight = vertices[b + 2];
+                    float vx = (*vertices)[b] + (*deformArray)[f];
+                    float vy = (*vertices)[b + 1] + (*deformArray)[f + 1];
+                    float weight = (*vertices)[b + 2];
                     wx += (vx * bone._a + vy * bone._b + bone._worldX) * weight;
                     wy += (vx * bone._c + vy * bone._d + bone._worldY) * weight;
                 }
@@ -131,7 +131,7 @@ namespace Spine {
     }
     
     void VertexAttachment::setBones(Vector<int> inValue) {
-        _bones = inValue;
+        _bones.clearAndAddAll(inValue);
     }
     
     Vector<float>& VertexAttachment::getVertices() {
@@ -139,7 +139,7 @@ namespace Spine {
     }
     
     void VertexAttachment::setVertices(Vector<float> inValue) {
-        _vertices = inValue;
+        _vertices.clearAndAddAll(inValue);
     }
     
     int VertexAttachment::getWorldVerticesLength() {
diff --git a/spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/SkeletonRenderer.java b/spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/SkeletonRenderer.java
index 34642d98a..45b1cfbc0 100644
--- a/spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/SkeletonRenderer.java
+++ b/spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/SkeletonRenderer.java
@@ -205,7 +205,8 @@ public class SkeletonRenderer {
 					FloatArray clippedVertices = clipper.getClippedVertices();
 					ShortArray clippedTriangles = clipper.getClippedTriangles();
 					if (vertexEffect != null) applyVertexEffect(clippedVertices.items, clippedVertices.size, 5, c, 0);
-					batch.draw(texture, clippedVertices.items, 0, clippedVertices.size, clippedTriangles.items, 0,
+					printAttachmentVertices(attachment.getName() + " (clipped)", clippedVertices.items, clippedVertices.size, clippedTriangles.items, clippedTriangles.size);
+					batch.draw(texture, clippedVertices.items, 0, clippedVertices.size / 5, clippedTriangles.items, 0,
 						clippedTriangles.size);
 				} else {
 					if (vertexEffect != null) {
@@ -232,6 +233,7 @@ public class SkeletonRenderer {
 							vertices[v + 2] = uvs[u + 1];
 						}
 					}
+					printAttachmentVertices(attachment.getName(), vertices, verticesLength / 5, triangles, triangles.length);
 					batch.draw(texture, vertices, 0, verticesLength, triangles, 0, triangles.length);
 				}
 			}
@@ -240,6 +242,22 @@ public class SkeletonRenderer {
 		}
 		clipper.clipEnd();
 		if (vertexEffect != null) vertexEffect.end();
+		System.out.println("=====================\n");
+	}
+	
+	private void printAttachmentVertices(String name, float[] vertices, int vertexCount, short[] triangles, int triangleCount) {
+		System.out.println("attachment: " + name);
+		System.out.print("indices (" + triangleCount + "): ");
+		for(int i = 0; i < triangleCount; i++) {
+			System.out.print(triangles[i] + " ");
+		}
+		
+		System.out.print("\nvertices (" + vertexCount + "): ");
+		for(int i = 0; i < triangleCount; i++) {
+			int index = triangles[i] * 5;			
+			System.out.print((int)vertices[index] + " " + ((int)vertices[index + 1] + " "));
+		}
+		System.out.println("\n");
 	}
 
 	@SuppressWarnings("null")
diff --git a/spine-sfml/cpp/example/main.cpp b/spine-sfml/cpp/example/main.cpp
index bd0da368f..6125ab8e9 100644
--- a/spine-sfml/cpp/example/main.cpp
+++ b/spine-sfml/cpp/example/main.cpp
@@ -354,7 +354,7 @@ void coin (SkeletonData* skeletonData, Atlas* atlas) {
 		float delta = deltaClock.getElapsedTime().asSeconds();
 		deltaClock.restart();
 
-		// drawable->update(delta);
+		drawable->update(delta);
 
 		window.clear();
 		window.draw(*drawable);
diff --git a/spine-sfml/cpp/src/spine/spine-sfml.cpp b/spine-sfml/cpp/src/spine/spine-sfml.cpp
index 803960563..c25d2e8d1 100644
--- a/spine-sfml/cpp/src/spine/spine-sfml.cpp
+++ b/spine-sfml/cpp/src/spine/spine-sfml.cpp
@@ -78,7 +78,7 @@ SkeletonDrawable::SkeletonDrawable (SkeletonData* skeletonData, AnimationStateDa
 		vertexArray(new VertexArray(Triangles, skeletonData->getBones().size() * 4)),
 		worldVertices(), clipper() {
 	Bone::setYDown(true);
-	worldVertices.setSize(SPINE_MESH_VERTEX_COUNT_MAX);
+	worldVertices.ensureCapacity(SPINE_MESH_VERTEX_COUNT_MAX);
 	skeleton = new (__FILE__, __LINE__) Skeleton(skeletonData);
 	tempUvs.ensureCapacity(16);
 	tempColors.ensureCapacity(16);
@@ -132,6 +132,7 @@ void SkeletonDrawable::draw (RenderTarget& target, RenderStates states) const {
 
 		if (attachment->getRTTI().isExactly(RegionAttachment::rtti)) {
 			RegionAttachment* regionAttachment = (RegionAttachment*)attachment;
+			worldVertices.setSize(8, 0);
 			regionAttachment->computeWorldVertices(slot.getBone(), worldVertices, 0, 2);
 			verticesCount = 4;
 			uvs = &regionAttachment->getUVs();
@@ -142,7 +143,7 @@ void SkeletonDrawable::draw (RenderTarget& target, RenderStates states) const {
 
 		} else if (attachment->getRTTI().isExactly(MeshAttachment::rtti)) {
 			MeshAttachment* mesh = (MeshAttachment*)attachment;
-			if (mesh->getWorldVerticesLength() > worldVertices.size()) worldVertices.setSize(mesh->getWorldVerticesLength());
+			worldVertices.setSize(mesh->getWorldVerticesLength(), 0);
 			texture = (Texture*)((AtlasRegion*)mesh->getRendererObject())->page->rendererObject;
 			mesh->computeWorldVertices(slot, 0, mesh->getWorldVerticesLength(), worldVertices, 0, 2);
 			verticesCount = mesh->getWorldVerticesLength() >> 1;
@@ -262,16 +263,14 @@ void SkeletonDrawable::draw (RenderTarget& target, RenderStates states) const {
 				vertexArray->append(vertex);
 			}
 		} else {*/
-			for (int i = 0; i < indicesCount; ++i) {
-				int index = (*indices)[i] << 1;
-				vertex.position.x = (*vertices)[index];
-				vertex.position.y = (*vertices)[index + 1];
-				vertex.texCoords.x = (*uvs)[index] * size.x;
-				vertex.texCoords.y = (*uvs)[index + 1] * size.y;
-				vertexArray->append(vertex);
-			}
-		// }
-
+		for (int ii = 0; ii < indicesCount; ++ii) {
+			int index = (*indices)[ii] << 1;
+			vertex.position.x = (*vertices)[index];
+			vertex.position.y = (*vertices)[index + 1];
+			vertex.texCoords.x = (*uvs)[index] * size.x;
+			vertex.texCoords.y = (*uvs)[index + 1] * size.y;
+			vertexArray->append(vertex);
+		}
 		clipper.clipEnd(slot);
 	}
 	target.draw(*vertexArray, states);