diff --git a/Gruntfile.js b/Gruntfile.js
index 5a3ad08..3ea8e9d 100755
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -82,7 +82,6 @@ module.exports = function (grunt) {
 	grunt.loadNpmTasks('grunt-version');
 	grunt.loadNpmTasks('grunt-contrib-jshint');
 	grunt.loadNpmTasks('grunt-contrib-uglify');
-	grunt.loadNpmTasks('grunt-exec');
 
 	grunt.registerTask('tests', ['jshint']);
 	grunt.registerTask('default', ['tests', 'version', 'uglify:dist']);
diff --git a/README.md b/README.md
index 40459c5..e340a3f 100644
--- a/README.md
+++ b/README.md
@@ -22,6 +22,7 @@ Demo: http://rubaxa.github.io/Sortable/
     * [Mixin](https://github.com/SortableJS/react-mixin-sortablejs)
   * [Knockout](https://github.com/SortableJS/knockout-sortablejs)
   * [Polymer](https://github.com/SortableJS/polymer-sortablejs)
+  * [Vue](https://github.com/SortableJS/Vue.Draggable)
  * Supports any CSS library, e.g. [Bootstrap](#bs)
  * Simple API
  * [CDN](#cdn)
@@ -69,7 +70,7 @@ var el = document.getElementById('items');
 var sortable = Sortable.create(el);
 ```
 
-You can use any element for the list and its elements, not just `ul`/`li`. Here is an [example with `div`s](http://jsbin.com/luxero/2/edit?html,js,output).
+You can use any element for the list and its elements, not just `ul`/`li`. Here is an [example with `div`s](http://jsbin.com/qumuwe/edit?html,js,output).
 
 
 ---
@@ -86,6 +87,7 @@ var sortable = new Sortable(el, {
 	animation: 150,  // ms, animation speed moving items when sorting, `0` — without animation
 	handle: ".my-handle",  // Drag handle selector within list items
 	filter: ".ignore-elements",  // Selectors that do not lead to dragging (String or Function)
+	preventOnFilter: true, // Call `event.preventDefault()` when triggered `filter`
 	draggable: ".item",  // Specifies which items inside the element should be draggable
 	ghostClass: "sortable-ghost",  // Class name for the drop placeholder
 	chosenClass: "sortable-chosen",  // Class name for the chosen item
@@ -96,7 +98,7 @@ var sortable = new Sortable(el, {
 
 	fallbackClass: "sortable-fallback",  // Class name for the cloned DOM Element when using forceFallback
 	fallbackOnBody: false,  // Appends the cloned DOM Element into the Document's Body
-	fallbackTolerance: 0 // Specify in pixels how far the mouse should move before it's considered as a drag.        
+	fallbackTolerance: 0, // Specify in pixels how far the mouse should move before it's considered as a drag.        
 	
 	scroll: true, // or HTMLElement
 	scrollFn: function(offsetX, offsetY, originalEvent) { ... }, // if you have custom scrollbar scrollFn may be used for autoscrolling
@@ -112,11 +114,6 @@ var sortable = new Sortable(el, {
 		evt.oldIndex;  // element index within parent
 	},
 
-	// Element is unchosen
-	onUnchoose: function (/**Event*/evt) {
-		evt.oldIndex;  // element index within parent
-	},
-
 	// Element dragging started
 	onStart: function (/**Event*/evt) {
 		evt.oldIndex;  // element index within parent
@@ -186,10 +183,13 @@ You can also define whether lists can give away, give and keep a copy (`clone`),
  * name: `String` — group name
  * pull: `true|false|'clone'|function` — ability to move from the list. `clone` — copy the item, rather than move.
  * put: `true|false|["foo", "bar"]|function` — whether elements can be added from other lists, or an array of group names from which elements can be taken.
+ * revertClone: `boolean` — revert cloned element to initial position after moving to a another list.
+
 
 Demo:
  - http://jsbin.com/naduvo/edit?js,output
  - http://jsbin.com/rusuvot/edit?js,output — use of complex logic in the `pull` and` put`
+ - http://jsbin.com/magogub/edit?js,output — use `revertClone: true`
 
 
 ---
@@ -198,7 +198,7 @@ Demo:
 #### `sort` option
 Sorting inside list.
 
-Demo: http://jsbin.com/xizeh/2/edit?html,js,output
+Demo: http://jsbin.com/videzob/edit?html,js,output
 
 
 ---
@@ -207,7 +207,7 @@ Demo: http://jsbin.com/xizeh/2/edit?html,js,output
 #### `delay` option
 Time in milliseconds to define when the sorting should start.
 
-Demo: http://jsbin.com/xizeh/4/edit?html,js,output
+Demo: http://jsbin.com/xizeh/edit?html,js,output
 
 
 ---
@@ -216,7 +216,7 @@ Demo: http://jsbin.com/xizeh/4/edit?html,js,output
 #### `disabled` options
 Disables the sortable if set to `true`.
 
-Demo: http://jsbin.com/xiloqu/1/edit?html,js,output
+Demo: http://jsbin.com/xiloqu/edit?html,js,output
 
 ```js
 var sortable = Sortable.create(list);
@@ -237,7 +237,7 @@ To make list items draggable, Sortable disables text selection by the user.
 That's not always desirable. To allow text selection, define a drag handler,
 which is an area of every list element that allows it to be dragged around.
 
-Demo: http://jsbin.com/newize/1/edit?html,js,output
+Demo: http://jsbin.com/newize/edit?html,js,output
 
 ```js
 Sortable.create(el, {
@@ -290,7 +290,7 @@ Sortable.create(list, {
 #### `ghostClass` option
 Class name for the drop placeholder (default `sortable-ghost`).
 
-Demo: http://jsbin.com/hunifu/1/edit?css,js,output
+Demo: http://jsbin.com/hunifu/4/edit?css,js,output
 
 ```css
 .ghost {
@@ -311,7 +311,7 @@ Sortable.create(list, {
 #### `chosenClass` option
 Class name for the chosen item  (default `sortable-chosen`).
 
-Demo: http://jsbin.com/hunifu/edit?html,css,js,output
+Demo: http://jsbin.com/hunifu/3/edit?html,css,js,output
 
 ```css
 .chosen {
@@ -337,7 +337,7 @@ This gives us the possibility to test the behaviour for older Browsers even in n
 
 On top of that, the Fallback always generates a copy of that DOM Element and appends the class `fallbackClass` defined in the options. This behaviour controls the look of this 'dragged' Element.
 
-Demo: http://jsbin.com/pucurizace/edit?html,css,js,output
+Demo: http://jsbin.com/yacuqib/edit?html,css,js,output
 
 
 ---
@@ -360,8 +360,8 @@ Dragging only starts if you move the pointer past a certain tolerance, so that y
 If set to `true`, the page (or sortable-area) scrolls when coming to an edge.
 
 Demo:
- - `window`: http://jsbin.com/boqugumiqi/1/edit?html,js,output
- - `overflow: hidden`: http://jsbin.com/kohamakiwi/1/edit?html,js,output
+ - `window`: http://jsbin.com/tutuzeh/edit?html,js,output
+ - `overflow: hidden`: http://jsbin.com/kolisu/edit?html,js,output
 
 
 ---
@@ -491,7 +491,7 @@ Sortable.create(el, {
 
 <a name="bs"></a>
 ### Bootstrap
-Demo: http://jsbin.com/luxero/2/edit?html,js,output
+Demo: http://jsbin.com/qumuwe/edit?html,js,output
 
 ```html
 <!-- Latest compiled and minified CSS -->
@@ -562,11 +562,11 @@ Link to the active instance.
 
 ```html
 <!-- CDNJS :: Sortable (https://cdnjs.com/) -->
-<script src="//cdnjs.cloudflare.com/ajax/libs/Sortable/1.5.2/Sortable.min.js"></script>
+<script src="//cdnjs.cloudflare.com/ajax/libs/Sortable/1.5.0-rc1/Sortable.min.js"></script>
 
 
 <!-- jsDelivr :: Sortable (http://www.jsdelivr.com/) -->
-<script src="//cdn.jsdelivr.net/sortable/1.5.2/Sortable.min.js"></script>
+<script src="//cdn.jsdelivr.net/sortable/1.5.0-rc1/Sortable.min.js"></script>
 
 
 <!-- jsDelivr :: Sortable :: Latest (http://www.jsdelivr.com/) -->
diff --git a/Sortable.js b/Sortable.js
index 8c41772..b6654ac 100644
--- a/Sortable.js
+++ b/Sortable.js
@@ -13,10 +13,6 @@
 	else if (typeof module != "undefined" && typeof module.exports != "undefined") {
 		module.exports = factory();
 	}
-	else if (typeof Package !== "undefined") {
-		//noinspection JSUnresolvedVariable
-		Sortable = factory();  // export for Meteor.js
-	}
 	else {
 		/* jshint sub:true */
 		window["Sortable"] = factory();
@@ -36,6 +32,7 @@
 		cloneEl,
 		rootEl,
 		nextEl,
+		lastDownEl,
 
 		scrollEl,
 		scrollParentEl,
@@ -70,6 +67,8 @@
 		$ = win.jQuery || win.Zepto,
 		Polymer = win.Polymer,
 
+		captureMode = {capture: false, passive: false},
+
 		supportDraggable = !!('draggable' in document.createElement('div')),
 		supportCssPointerEvents = (function (el) {
 			// false when IE11
@@ -85,14 +84,14 @@
 
 		abs = Math.abs,
 		min = Math.min,
-		slice = [].slice,
 
 		touchDragOverListeners = [],
 
 		_autoScroll = _throttle(function (/**Event*/evt, /**Object*/options, /**HTMLElement*/rootEl) {
 			// Bug: https://bugzilla.mozilla.org/show_bug.cgi?id=505521
 			if (rootEl && options.scroll) {
-				var el,
+				var _this = rootEl[expando],
+					el,
 					rect,
 					sens = options.scrollSensitivity,
 					speed = options.scrollSpeed,
@@ -249,6 +248,7 @@
 			dragClass: 'sortable-drag',
 			ignore: 'a, img',
 			filter: null,
+			preventOnFilter: true,
 			animation: 0,
 			setData: function (dataTransfer, dragEl) {
 				dataTransfer.setData('Text', dragEl.textContent);
@@ -285,6 +285,7 @@
 		// Bind events
 		_on(el, 'mousedown', this._onTapStart);
 		_on(el, 'touchstart', this._onTapStart);
+		_on(el, 'pointerdown', this._onTapStart);
 
 		if (this.nativeDraggable) {
 			_on(el, 'dragover', this);
@@ -305,6 +306,7 @@
 			var _this = this,
 				el = this.el,
 				options = this.options,
+				preventOnFilter = options.preventOnFilter,
 				type = evt.type,
 				touch = evt.touches && evt.touches[0],
 				target = (touch || evt).target,
@@ -321,9 +323,6 @@
 				return; // only left button or enabled
 			}
 
-			if (options.handle && !_closest(originalTarget, options.handle, el)) {
-				return;
-			}
 
 			target = _closest(target, options.draggable, el);
 
@@ -331,6 +330,11 @@
 				return;
 			}
 
+			if (lastDownEl === target) {
+				// Ignoring duplicate `down`
+				return;
+			}
+
 			// Get the index of the dragged element within its parent
 			startIndex = _index(target, options.draggable);
 
@@ -338,7 +342,7 @@
 			if (typeof filter === 'function') {
 				if (filter.call(this, evt, target, this)) {
 					_dispatchEvent(_this, originalTarget, 'filter', target, el, startIndex);
-					evt.preventDefault();
+					preventOnFilter && evt.preventDefault();
 					return; // cancel dnd
 				}
 			}
@@ -353,11 +357,15 @@
 				});
 
 				if (filter) {
-					evt.preventDefault();
+					preventOnFilter && evt.preventDefault();
 					return; // cancel dnd
 				}
 			}
 
+			if (options.handle && !_closest(originalTarget, options.handle, el)) {
+				return;
+			}
+
 			// Prepare `dragstart`
 			this._prepareDragStart(evt, touch, target, startIndex);
 		},
@@ -376,6 +384,7 @@
 				dragEl = target;
 				parentEl = dragEl.parentNode;
 				nextEl = dragEl.nextSibling;
+				lastDownEl = target
 				activeGroup = options.group;
 				oldIndex = startIndex;
 
@@ -396,7 +405,7 @@
 					_toggleClass(dragEl, options.chosenClass, true);
 
 					// Bind the events: dragstart/dragend
-					_this._triggerDragStart(touch);
+					_this._triggerDragStart(evt, touch);
 
 					// Drag start event
 					_dispatchEvent(_this, rootEl, 'choose', dragEl, rootEl, oldIndex);
@@ -410,6 +419,7 @@
 				_on(ownerDocument, 'mouseup', _this._onDrop);
 				_on(ownerDocument, 'touchend', _this._onDrop);
 				_on(ownerDocument, 'touchcancel', _this._onDrop);
+				_on(ownerDocument, 'pointercancel', _this._onDrop);
 
 				if (options.delay) {
 					// If the user moves the pointer or let go the click or touch
@@ -420,11 +430,16 @@
 					_on(ownerDocument, 'touchcancel', _this._disableDelayedDrag);
 					_on(ownerDocument, 'mousemove', _this._disableDelayedDrag);
 					_on(ownerDocument, 'touchmove', _this._disableDelayedDrag);
+					_on(ownerDocument, 'pointermove', _this._disableDelayedDrag);
 
 					_this._dragStartTimer = setTimeout(dragStartFn, options.delay);
 				} else {
 					dragStartFn();
 				}
+
+				if (options.forceFallback) {
+					evt.preventDefault();
+				}
 			}
 		},
 
@@ -437,9 +452,11 @@
 			_off(ownerDocument, 'touchcancel', this._disableDelayedDrag);
 			_off(ownerDocument, 'mousemove', this._disableDelayedDrag);
 			_off(ownerDocument, 'touchmove', this._disableDelayedDrag);
+			_off(ownerDocument, 'pointermove', this._disableDelayedDrag);
 		},
 
-		_triggerDragStart: function (/** Touch */touch) {
+		_triggerDragStart: function (/** Event */evt, /** Touch */touch) {
+			touch = touch || (evt.pointerType == 'touch' ? evt : null);
 			if (touch) {
 				// Touch device support
 				tapEvt = {
@@ -483,6 +500,8 @@
 
 				// Drag start event
 				_dispatchEvent(this, rootEl, 'start', dragEl, rootEl, oldIndex);
+			} else {
+				this._nulling();
 			}
 		},
 
@@ -604,9 +623,15 @@
 
 			this._offUpEvents();
 
-			if (activeGroup.checkPull(this, this, dragEl, evt) == 'clone') {
+			if (activeGroup.checkPull(this, this, dragEl, evt)) {
 				cloneEl = _clone(dragEl);
+
+				cloneEl.draggable = false;
+				cloneEl.style['will-change'] = '';
+
 				_css(cloneEl, 'display', 'none');
+				_toggleClass(cloneEl, this.options.chosenClass, false);
+
 				rootEl.insertBefore(cloneEl, dragEl);
 				_dispatchEvent(this, rootEl, 'clone', dragEl);
 			}
@@ -619,6 +644,8 @@
 					_on(document, 'touchmove', this._onTouchMove);
 					_on(document, 'touchend', this._onDrop);
 					_on(document, 'touchcancel', this._onDrop);
+					_on(document, 'pointermove', this._onTouchMove);
+					_on(document, 'pointerup', this._onDrop);
 				} else {
 					// Old brwoser
 					_on(document, 'mousemove', this._onTouchMove);
@@ -657,12 +684,15 @@
 
 			moved = true;
 
-			if (activeGroup && !options.disabled &&
+			if (activeSortable && !options.disabled &&
 				(isOwner
 					? canSort || (revert = !rootEl.contains(dragEl)) // Reverting item into the original list
 					: (
 						putSortable === this ||
-						activeGroup.checkPull(this, activeSortable, dragEl, evt) && group.checkPut(this, activeSortable, dragEl, evt)
+						(
+							(activeSortable.lastPullMode = activeGroup.checkPull(this, activeSortable, dragEl, evt)) &&
+							group.checkPut(this, activeSortable, dragEl, evt)
+						)
 					)
 				) &&
 				(evt.rootEl === void 0 || evt.rootEl === this.el) // touch fallback
@@ -813,8 +843,10 @@
 			var ownerDocument = this.el.ownerDocument;
 
 			_off(document, 'touchmove', this._onTouchMove);
+			_off(document, 'pointermove', this._onTouchMove);
 			_off(ownerDocument, 'mouseup', this._onDrop);
 			_off(ownerDocument, 'touchend', this._onDrop);
+			_off(ownerDocument, 'pointerup', this._onDrop);
 			_off(ownerDocument, 'touchcancel', this._onDrop);
 		},
 
@@ -916,6 +948,7 @@
 			ghostEl =
 			nextEl =
 			cloneEl =
+			lastDownEl =
 
 			scrollEl =
 			scrollParentEl =
@@ -1047,6 +1080,7 @@
 
 			_off(el, 'mousedown', this._onTapStart);
 			_off(el, 'touchstart', this._onTapStart);
+			_off(el, 'pointerdown', this._onTapStart);
 
 			if (this.nativeDraggable) {
 				_off(el, 'dragover', this);
@@ -1068,6 +1102,10 @@
 
 
 	function _cloneHide(sortable, state) {
+		if (sortable.lastPullMode !== 'clone') {
+			state = true;
+		}
+
 		if (cloneEl && (cloneEl.state !== state)) {
 			_css(cloneEl, 'display', state ? 'none' : '');
 
@@ -1119,12 +1157,12 @@
 
 
 	function _on(el, event, fn) {
-		el.addEventListener(event, fn, false);
+		el.addEventListener(event, fn, captureMode);
 	}
 
 
 	function _off(el, event, fn) {
-		el.removeEventListener(event, fn, false);
+		el.removeEventListener(event, fn, captureMode);
 	}
 
 
@@ -1387,6 +1425,6 @@
 
 
 	// Export
-	Sortable.version = '1.5.2';
+	Sortable.version = '1.5.0-rc1';
 	return Sortable;
 });
diff --git a/Sortable.min.js b/Sortable.min.js
index 3a5cd8a..40fc746 100644
--- a/Sortable.min.js
+++ b/Sortable.min.js
@@ -1,2 +1,2 @@
-/*! Sortable 1.5.2 - MIT | git://github.com/rubaxa/Sortable.git */
-!function(a){"use strict";"function"==typeof define&&define.amd?define(a):"undefined"!=typeof module&&"undefined"!=typeof module.exports?module.exports=a():"undefined"!=typeof Package?Sortable=a():window.Sortable=a()}(function(){"use strict";function a(a,b){if(!a||!a.nodeType||1!==a.nodeType)throw"Sortable: `el` must be HTMLElement, and not "+{}.toString.call(a);this.el=a,this.options=b=t({},b),a[Q]=this;var c={group:Math.random(),sort:!0,disabled:!1,store:null,handle:null,scroll:!0,scrollSensitivity:30,scrollSpeed:10,draggable:/[uo]l/i.test(a.nodeName)?"li":">*",ghostClass:"sortable-ghost",chosenClass:"sortable-chosen",dragClass:"sortable-drag",ignore:"a, img",filter:null,animation:0,setData:function(a,b){a.setData("Text",b.textContent)},dropBubble:!1,dragoverBubble:!1,dataIdAttr:"data-id",delay:0,forceFallback:!1,fallbackClass:"sortable-fallback",fallbackOnBody:!1,fallbackTolerance:0,fallbackOffset:{x:0,y:0}};for(var d in c)!(d in b)&&(b[d]=c[d]);ba(b);for(var e in this)"_"===e.charAt(0)&&"function"==typeof this[e]&&(this[e]=this[e].bind(this));this.nativeDraggable=!b.forceFallback&&W,f(a,"mousedown",this._onTapStart),f(a,"touchstart",this._onTapStart),this.nativeDraggable&&(f(a,"dragover",this),f(a,"dragenter",this)),_.push(this._onDragOver),b.store&&this.sort(b.store.get(this))}function b(a){y&&y.state!==a&&(i(y,"display",a?"none":""),!a&&y.state&&z.insertBefore(y,v),y.state=a)}function c(a,b,c){if(a){c=c||S;do if(">*"===b&&a.parentNode===c||r(a,b))return a;while(a=d(a))}return null}function d(a){var b=a.host;return b&&b.nodeType?b:a.parentNode}function e(a){a.dataTransfer&&(a.dataTransfer.dropEffect="move"),a.preventDefault()}function f(a,b,c){a.addEventListener(b,c,!1)}function g(a,b,c){a.removeEventListener(b,c,!1)}function h(a,b,c){if(a)if(a.classList)a.classList[c?"add":"remove"](b);else{var d=(" "+a.className+" ").replace(P," ").replace(" "+b+" "," ");a.className=(d+(c?" "+b:"")).replace(P," ")}}function i(a,b,c){var d=a&&a.style;if(d){if(void 0===c)return S.defaultView&&S.defaultView.getComputedStyle?c=S.defaultView.getComputedStyle(a,""):a.currentStyle&&(c=a.currentStyle),void 0===b?c:c[b];b in d||(b="-webkit-"+b),d[b]=c+("string"==typeof c?"":"px")}}function j(a,b,c){if(a){var d=a.getElementsByTagName(b),e=0,f=d.length;if(c)for(;e<f;e++)c(d[e],e);return d}return[]}function k(a,b,c,d,e,f,g){a=a||b[Q];var h=S.createEvent("Event"),i=a.options,j="on"+c.charAt(0).toUpperCase()+c.substr(1);h.initEvent(c,!0,!0),h.to=b,h.from=e||b,h.item=d||b,h.clone=y,h.oldIndex=f,h.newIndex=g,b.dispatchEvent(h),i[j]&&i[j].call(a,h)}function l(a,b,c,d,e,f,g){var h,i,j=a[Q],k=j.options.onMove;return h=S.createEvent("Event"),h.initEvent("move",!0,!0),h.to=b,h.from=a,h.dragged=c,h.draggedRect=d,h.related=e||b,h.relatedRect=f||b.getBoundingClientRect(),a.dispatchEvent(h),k&&(i=k.call(j,h,g)),i}function m(a){a.draggable=!1}function n(){Y=!1}function o(a,b){var 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e,g=this,i=g.el,l=g.options,n=i.ownerDocument;c&&!v&&c.parentNode===i&&(L=a,z=i,v=c,w=v.parentNode,A=v.nextSibling,J=l.group,H=d,this._lastX=(b||a).clientX,this._lastY=(b||a).clientY,v.style["will-change"]="transform",e=function(){g._disableDelayedDrag(),v.draggable=g.nativeDraggable,h(v,l.chosenClass,!0),g._triggerDragStart(a,b),k(g,z,"choose",v,z,H)},l.ignore.split(",").forEach(function(a){j(v,a.trim(),m)}),f(n,"mouseup",g._onDrop),f(n,"touchend",g._onDrop),f(n,"touchcancel",g._onDrop),f(n,"pointercancel",g._onDrop),l.delay?(f(n,"mouseup",g._disableDelayedDrag),f(n,"touchend",g._disableDelayedDrag),f(n,"touchcancel",g._disableDelayedDrag),f(n,"mousemove",g._disableDelayedDrag),f(n,"touchmove",g._disableDelayedDrag),f(n,"pointermove",g._disableDelayedDrag),g._dragStartTimer=setTimeout(e,l.delay)):e())},_disableDelayedDrag:function(){var a=this.el.ownerDocument;clearTimeout(this._dragStartTimer),g(a,"mouseup",this._disableDelayedDrag),g(a,"touchend",this._disableDelayedDrag),g(a,"touchcancel",this._disableDelayedDrag),g(a,"mousemove",this._disableDelayedDrag),g(a,"touchmove",this._disableDelayedDrag),g(a,"pointermove",this._disableDelayedDrag)},_triggerDragStart:function(a,b){b=b||("touch"==a.pointerType?a:null),b?(L={target:v,clientX:b.clientX,clientY:b.clientY},this._onDragStart(L,"touch")):this.nativeDraggable?(f(v,"dragend",this),f(z,"dragstart",this._onDragStart)):this._onDragStart(L,!0);try{S.selection?setTimeout(function(){S.selection.empty()}):window.getSelection().removeAllRanges()}catch(a){}},_dragStarted:function(){if(z&&v){var b=this.options;h(v,b.ghostClass,!0),h(v,b.dragClass,!1),a.active=this,k(this,z,"start",v,z,H)}},_emulateDragOver:function(){if(M){if(this._lastX===M.clientX&&this._lastY===M.clientY)return;this._lastX=M.clientX,this._lastY=M.clientY,X||i(x,"display","none");var a=S.elementFromPoint(M.clientX,M.clientY),b=a,c=_.length;if(b)do{if(b[Q]){for(;c--;)_[c]({clientX:M.clientX,clientY:M.clientY,target:a,rootEl:b});break}a=b}while(b=b.parentNode);X||i(x,"display","")}},_onTouchMove:function(b){if(L){var c=this.options,d=c.fallbackTolerance,e=c.fallbackOffset,f=b.touches?b.touches[0]:b,g=f.clientX-L.clientX+e.x,h=f.clientY-L.clientY+e.y,j=b.touches?"translate3d("+g+"px,"+h+"px,0)":"translate("+g+"px,"+h+"px)";if(!a.active){if(d&&$(Z(f.clientX-this._lastX),Z(f.clientY-this._lastY))<d)return;this._dragStarted()}this._appendGhost(),N=!0,M=f,i(x,"webkitTransform",j),i(x,"mozTransform",j),i(x,"msTransform",j),i(x,"transform",j),b.preventDefault()}},_appendGhost:function(){if(!x){var a,b=v.getBoundingClientRect(),c=i(v),d=this.options;x=v.cloneNode(!0),h(x,d.ghostClass,!1),h(x,d.fallbackClass,!0),h(x,d.dragClass,!0),i(x,"top",b.top-T(c.marginTop,10)),i(x,"left",b.left-T(c.marginLeft,10)),i(x,"width",b.width),i(x,"height",b.height),i(x,"opacity","0.8"),i(x,"position","fixed"),i(x,"zIndex","100000"),i(x,"pointerEvents","none"),d.fallbackOnBody&&S.body.appendChild(x)||z.appendChild(x),a=x.getBoundingClientRect(),i(x,"width",2*b.width-a.width),i(x,"height",2*b.height-a.height)}},_onDragStart:function(a,b){var c=a.dataTransfer,d=this.options;this._offUpEvents(),"clone"==J.checkPull(this,this,v,a)&&(y=u(v),i(y,"display","none"),z.insertBefore(y,v),k(this,z,"clone",v)),h(v,d.dragClass,!0),b?("touch"===b?(f(S,"touchmove",this._onTouchMove),f(S,"touchend",this._onDrop),f(S,"touchcancel",this._onDrop),f(S,"pointermove",this._onTouchMove),f(S,"pointerup",this._onDrop)):(f(S,"mousemove",this._onTouchMove),f(S,"mouseup",this._onDrop)),this._loopId=setInterval(this._emulateDragOver,50)):(c&&(c.effectAllowed="move",d.setData&&d.setData.call(this,c,v)),f(S,"drop",this),setTimeout(this._dragStarted,0))},_onDragOver:function(d){var e,f,g,h,j=this.el,k=this.options,m=k.group,p=a.active,q=J===m,r=k.sort;if(void 0!==d.preventDefault&&(d.preventDefault(),!k.dragoverBubble&&d.stopPropagation()),N=!0,J&&!k.disabled&&(q?r||(h=!z.contains(v)):K===this||J.checkPull(this,p,v,d)&&m.checkPut(this,p,v,d))&&(void 0===d.rootEl||d.rootEl===this.el)){if(aa(d,k,this.el),Y)return;if(e=c(d.target,k.draggable,j),f=v.getBoundingClientRect(),K=this,h)return b(!0),w=z,void(y||A?z.insertBefore(v,y||A):r||z.appendChild(v));if(0===j.children.length||j.children[0]===x||j===d.target&&(e=o(j,d))){if(e){if(e.animated)return;g=e.getBoundingClientRect()}b(q),l(z,j,v,f,e,g,d)!==!1&&(v.contains(j)||(j.appendChild(v),w=j),this._animate(f,v),e&&this._animate(g,e))}else if(e&&!e.animated&&e!==v&&void 0!==e.parentNode[Q]){E!==e&&(E=e,F=i(e),G=i(e.parentNode)),g=e.getBoundingClientRect();var s,t=g.right-g.left,u=g.bottom-g.top,B=/left|right|inline/.test(F.cssFloat+F.display)||"flex"==G.display&&0===G["flex-direction"].indexOf("row"),C=e.offsetWidth>v.offsetWidth,D=e.offsetHeight>v.offsetHeight,H=(B?(d.clientX-g.left)/t:(d.clientY-g.top)/u)>.5,I=e.nextElementSibling,L=l(z,j,v,f,e,g,d);if(L!==!1){if(Y=!0,setTimeout(n,30),b(q),1===L||L===-1)s=1===L;else if(B){var M=v.offsetTop,O=e.offsetTop;s=M===O?e.previousElementSibling===v&&!C||H&&C:e.previousElementSibling===v||v.previousElementSibling===e?(d.clientY-g.top)/u>.5:O>M}else s=I!==v&&!D||H&&D;v.contains(j)||(s&&!I?j.appendChild(v):e.parentNode.insertBefore(v,s?I:e)),w=v.parentNode,this._animate(f,v),this._animate(g,e)}}}},_animate:function(a,b){var c=this.options.animation;if(c){var d=b.getBoundingClientRect();i(b,"transition","none"),i(b,"transform","translate3d("+(a.left-d.left)+"px,"+(a.top-d.top)+"px,0)"),b.offsetWidth,i(b,"transition","all "+c+"ms"),i(b,"transform","translate3d(0,0,0)"),clearTimeout(b.animated),b.animated=setTimeout(function(){i(b,"transition",""),i(b,"transform",""),b.animated=!1},c)}},_offUpEvents:function(){var a=this.el.ownerDocument;g(S,"touchmove",this._onTouchMove),g(S,"pointermove",this._onTouchMove),g(a,"mouseup",this._onDrop),g(a,"touchend",this._onDrop),g(a,"pointerup",this._onDrop),g(a,"touchcancel",this._onDrop)},_onDrop:function(b){var c=this.el,d=this.options;clearInterval(this._loopId),clearInterval(O.pid),clearTimeout(this._dragStartTimer),g(S,"mousemove",this._onTouchMove),this.nativeDraggable&&(g(S,"drop",this),g(c,"dragstart",this._onDragStart)),this._offUpEvents(),b&&(N&&(b.preventDefault(),!d.dropBubble&&b.stopPropagation()),x&&x.parentNode.removeChild(x),v&&(this.nativeDraggable&&g(v,"dragend",this),m(v),v.style["will-change"]="",h(v,this.options.ghostClass,!1),h(v,this.options.chosenClass,!1),z!==w?(I=q(v,d.draggable),I>=0&&(k(null,w,"add",v,z,H,I),k(this,z,"remove",v,z,H,I),k(null,w,"sort",v,z,H,I),k(this,z,"sort",v,z,H,I))):(y&&y.parentNode.removeChild(y),v.nextSibling!==A&&(I=q(v,d.draggable),I>=0&&(k(this,z,"update",v,z,H,I),k(this,z,"sort",v,z,H,I)))),a.active&&(null!=I&&I!==-1||(I=H),k(this,z,"end",v,z,H,I),this.save()))),this._nulling()},_nulling:function(){z=v=w=x=A=y=B=C=L=M=N=I=E=F=K=J=a.active=null},handleEvent:function(a){var b=a.type;"dragover"===b||"dragenter"===b?v&&(this._onDragOver(a),e(a)):"drop"!==b&&"dragend"!==b||this._onDrop(a)},toArray:function(){for(var a,b=[],d=this.el.children,e=0,f=d.length,g=this.options;e<f;e++)a=d[e],c(a,g.draggable,this.el)&&b.push(a.getAttribute(g.dataIdAttr)||p(a));return b},sort:function(a){var b={},d=this.el;this.toArray().forEach(function(a,e){var f=d.children[e];c(f,this.options.draggable,d)&&(b[a]=f)},this),a.forEach(function(a){b[a]&&(d.removeChild(b[a]),d.appendChild(b[a]))})},save:function(){var a=this.options.store;a&&a.set(this)},closest:function(a,b){return c(a,b||this.options.draggable,this.el)},option:function(a,b){var c=this.options;return void 0===b?c[a]:(c[a]=b,void("group"===a&&ba(c)))},destroy:function(){var a=this.el;a[Q]=null,g(a,"mousedown",this._onTapStart),g(a,"touchstart",this._onTapStart),g(a,"pointerdown",this._onTapStart),this.nativeDraggable&&(g(a,"dragover",this),g(a,"dragenter",this)),Array.prototype.forEach.call(a.querySelectorAll("[draggable]"),function(a){a.removeAttribute("draggable")}),_.splice(_.indexOf(this._onDragOver),1),this._onDrop(),this.el=a=null}},a.utils={on:f,off:g,css:i,find:j,is:function(a,b){return!!c(a,b,a)},extend:t,throttle:s,closest:c,toggleClass:h,clone:u,index:q},a.create=function(b,c){return new a(b,c)},a.version="1.5.0-rc1",a});
\ No newline at end of file
diff --git a/component.json b/component.json
index 42aa0a3..8d5829b 100644
--- a/component.json
+++ b/component.json
@@ -1,7 +1,7 @@
 {
   "name": "Sortable",
   "main": "Sortable.js",
-  "version": "1.5.2",
+  "version": "1.5.0-rc1",
   "homepage": "http://rubaxa.github.io/Sortable/",
   "repo": "RubaXa/Sortable",
   "authors": [
diff --git a/knockout-sortable.js b/knockout-sortable.js
deleted file mode 100644
index f46298e..0000000
--- a/knockout-sortable.js
+++ /dev/null
@@ -1,239 +0,0 @@
-/*global ko*/
-
-(function (factory) {
-	"use strict";
-	//get ko ref via global or require
-	var koRef;
-	if (typeof ko !== 'undefined') {
-		//global ref already defined
-		koRef = ko;
-	}
-	else if (typeof require === 'function' && typeof exports === 'object' && typeof module === 'object') {
-		//commonjs / node.js
-		koRef = require('knockout');
-	}
-	//get sortable ref via global or require
-	var sortableRef;
-	if (typeof Sortable !== 'undefined') {
-		//global ref already defined
-		sortableRef = Sortable;
-	}
-	else if (typeof require === 'function' && typeof exports === 'object' && typeof module === 'object') {
-		//commonjs / node.js
-		sortableRef = require('sortablejs');
-	}
-	//use references if we found them
-	if (koRef !== undefined && sortableRef !== undefined) {
-		factory(koRef, sortableRef);
-	}
-	//if both references aren't found yet, get via AMD if available
-	else if (typeof define === 'function' && define.amd) {
-		//we may have a reference to only 1, or none
-		if (koRef !== undefined && sortableRef === undefined) {
-			define(['./Sortable'], function (amdSortableRef) {
-				factory(koRef, amdSortableRef);
-			});
-		}
-		else if (koRef === undefined && sortableRef !== undefined) {
-			define(['knockout'], function (amdKnockout) {
-				factory(amdKnockout, sortableRef);
-			});
-		}
-		else if (koRef === undefined && sortableRef === undefined) {
-			define(['knockout', './Sortable'], factory);
-		}
-	}
-	//no more routes to get references
-	else {
-		//report specific error
-		if (koRef !== undefined && sortableRef === undefined) {
-			throw new Error('knockout-sortable could not get reference to Sortable');
-		}
-		else if (koRef === undefined && sortableRef !== undefined) {
-			throw new Error('knockout-sortable could not get reference to Knockout');
-		}
-		else if (koRef === undefined && sortableRef === undefined) {
-			throw new Error('knockout-sortable could not get reference to Knockout or Sortable');
-		}
-	}
-})(function (ko, Sortable) {
-    "use strict";
-
-    var init = function (element, valueAccessor, allBindings, viewModel, bindingContext, sortableOptions) {
-
-        var options = buildOptions(valueAccessor, sortableOptions);
-
-        // It's seems that we cannot update the eventhandlers after we've created
-        // the sortable, so define them in init instead of update
-        ['onStart', 'onEnd', 'onRemove', 'onAdd', 'onUpdate', 'onSort', 'onFilter', 'onMove', 'onClone'].forEach(function (e) {
-            if (options[e] || eventHandlers[e])
-                options[e] = function (eventType, parentVM, parentBindings, handler, e) {
-                    var itemVM = ko.dataFor(e.item),
-                        // All of the bindings on the parent element
-                        bindings = ko.utils.peekObservable(parentBindings()),
-                        // The binding options for the draggable/sortable binding of the parent element
-                        bindingHandlerBinding = bindings.sortable || bindings.draggable,
-                        // The collection that we should modify
-                        collection = bindingHandlerBinding.collection || bindingHandlerBinding.foreach;
-                    if (handler)
-                        handler(e, itemVM, parentVM, collection, bindings);
-                    if (eventHandlers[eventType])
-                        eventHandlers[eventType](e, itemVM, parentVM, collection, bindings);
-                }.bind(undefined, e, viewModel, allBindings, options[e]);
-        });
-
-        var sortableElement = Sortable.create(element, options);
-
-        // Destroy the sortable if knockout disposes the element it's connected to
-        ko.utils.domNodeDisposal.addDisposeCallback(element, function () {
-            sortableElement.destroy();
-        });
-        return ko.bindingHandlers.template.init(element, valueAccessor);
-    },
-    update = function (element, valueAccessor, allBindings, viewModel, bindingContext, sortableOptions) {
-
-        // There seems to be some problems with updating the options of a sortable
-        // Tested to change eventhandlers and the group options without any luck
-
-        return ko.bindingHandlers.template.update(element, valueAccessor, allBindings, viewModel, bindingContext);
-    },
-    eventHandlers = (function (handlers) {
-
-        var moveOperations = [],
-            tryMoveOperation = function (e, itemVM, parentVM, collection, parentBindings) {
-                // A move operation is the combination of a add and remove event,
-                // this is to make sure that we have both the target and origin collections
-                var currentOperation = { event: e, itemVM: itemVM, parentVM: parentVM, collection: collection, parentBindings: parentBindings },
-                    existingOperation = moveOperations.filter(function (op) {
-                        return op.itemVM === currentOperation.itemVM;
-                    })[0];
-
-                if (!existingOperation) {
-                    moveOperations.push(currentOperation);
-                }
-                else {
-                    // We're finishing the operation and already have a handle on
-                    // the operation item meaning that it's safe to remove it
-                    moveOperations.splice(moveOperations.indexOf(existingOperation), 1);
-
-                    var removeOperation = currentOperation.event.type === 'remove' ? currentOperation : existingOperation,
-                        addOperation = currentOperation.event.type === 'add' ? currentOperation : existingOperation;
-
-                    moveItem(itemVM, removeOperation.collection, addOperation.collection, addOperation.event.clone, addOperation.event);
-                }
-            },
-            // Moves an item from the "from" collection to the "to" collection, these
-            // can be references to the same collection which means it's a sort.
-            // clone indicates if we should move or copy the item into the new collection
-            moveItem = function (itemVM, from, to, clone, e) {
-                // Unwrapping this allows us to manipulate the actual array
-                var fromArray = from(),
-                    // It's not certain that the items actual index is the same
-                    // as the index reported by sortable due to filtering etc.
-                    originalIndex = fromArray.indexOf(itemVM),
-                    newIndex = e.newIndex;
-
-                // We have to find out the actual desired index of the to array,
-                // as this might be a computed array. We could otherwise potentially
-                // drop an item above the 3rd visible item, but the 2nd visible item
-                // has an actual index of 5.
-                if (e.item.previousElementSibling) {
-                    newIndex = to().indexOf(ko.dataFor(e.item.previousElementSibling)) + 1;
-                }
-
-                // Remove sortables "unbound" element
-                e.item.parentNode.removeChild(e.item);
-
-                // This splice is necessary for both clone and move/sort
-                // In sort/move since it shouldn't be at this index/in this array anymore
-                // In clone since we have to work around knockouts valuHasMutated
-                // when manipulating arrays and avoid a "unbound" item added by sortable
-                fromArray.splice(originalIndex, 1);
-                // Update the array, this will also remove sortables "unbound" clone
-                from.valueHasMutated();
-                if (clone && from !== to) {
-                    // Read the item
-                    fromArray.splice(originalIndex, 0, itemVM);
-                    // Force knockout to update
-                    from.valueHasMutated();
-                }
-                // Force deferred tasks to run now, registering the removal
-                ko.tasks.runEarly();
-                // Insert the item on its new position
-                to().splice(newIndex, 0, itemVM);
-                // Make sure to tell knockout that we've modified the actual array.
-                to.valueHasMutated();
-            };
-
-        handlers.onRemove = tryMoveOperation;
-        handlers.onAdd = tryMoveOperation;
-        handlers.onUpdate = function (e, itemVM, parentVM, collection, parentBindings) {
-            // This will be performed as a sort since the to/from collections
-            // reference the same collection and clone is set to false
-            moveItem(itemVM, collection, collection, false, e);
-        };
-
-        return handlers;
-    })({}),
-    // bindingOptions are the options set in the "data-bind" attribute in the ui.
-    // options are custom options, for instance draggable/sortable specific options
-    buildOptions = function (bindingOptions, options) {
-        // deep clone/copy of properties from the "from" argument onto
-        // the "into" argument and returns the modified "into"
-        var merge = function (into, from) {
-            for (var prop in from) {
-                if (Object.prototype.toString.call(from[prop]) === '[object Object]') {
-                    if (Object.prototype.toString.call(into[prop]) !== '[object Object]') {
-                        into[prop] = {};
-                    }
-                    into[prop] = merge(into[prop], from[prop]);
-                }
-                else
-                    into[prop] = from[prop];
-            }
-
-            return into;
-        },
-        // unwrap the supplied options
-        unwrappedOptions = ko.utils.peekObservable(bindingOptions()).options || {};
-
-        // Make sure that we don't modify the provided settings object
-        options = merge({}, options);
-
-        // group is handled differently since we should both allow to change
-        // a draggable to a sortable (and vice versa), but still be able to set
-        // a name on a draggable without it becoming a drop target.
-        if (unwrappedOptions.group && Object.prototype.toString.call(unwrappedOptions.group) !== '[object Object]') {
-            // group property is a name string declaration, convert to object.
-            unwrappedOptions.group = { name: unwrappedOptions.group };
-        }
-
-        return merge(options, unwrappedOptions);
-    };
-
-    ko.bindingHandlers.draggable = {
-        sortableOptions: {
-            group: { pull: 'clone', put: false },
-            sort: false
-        },
-        init: function (element, valueAccessor, allBindings, viewModel, bindingContext) {
-            return init(element, valueAccessor, allBindings, viewModel, bindingContext, ko.bindingHandlers.draggable.sortableOptions);
-        },
-        update: function (element, valueAccessor, allBindings, viewModel, bindingContext) {
-            return update(element, valueAccessor, allBindings, viewModel, bindingContext, ko.bindingHandlers.draggable.sortableOptions);
-        }
-    };
-
-    ko.bindingHandlers.sortable = {
-        sortableOptions: {
-            group: { pull: true, put: true }
-        },
-        init: function (element, valueAccessor, allBindings, viewModel, bindingContext) {
-            return init(element, valueAccessor, allBindings, viewModel, bindingContext, ko.bindingHandlers.sortable.sortableOptions);
-        },
-        update: function (element, valueAccessor, allBindings, viewModel, bindingContext) {
-            return update(element, valueAccessor, allBindings, viewModel, bindingContext, ko.bindingHandlers.sortable.sortableOptions);
-        }
-    };
-
-});
diff --git a/package.json b/package.json
index 2413fee..d1aa33f 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "sortablejs",
   "exportName": "Sortable",
-  "version": "1.5.2",
+  "version": "1.5.0-rc1",
   "devDependencies": {
     "grunt": "*",
     "grunt-version": "*",
@@ -17,6 +17,10 @@
     "type": "git",
     "url": "git://github.com/rubaxa/Sortable.git"
   },
+  "files": [
+    "Sortable.js",
+    "Sortable.min.js"
+  ],
   "keywords": [
     "sortable",
     "reorder",