diff --git a/dist/hanzi-writer-lib.js b/dist/hanzi-writer-lib.js
index d7c6ae53..b4ddf31c 100644
--- a/dist/hanzi-writer-lib.js
+++ b/dist/hanzi-writer-lib.js
@@ -1,5 +1,5 @@
 /*!
- * Hanzi Writer v1.4.0
+ * Hanzi Writer v1.4.1
  * https://chanind.github.io/hanzi-writer
  */
 module.exports =
diff --git a/dist/hanzi-writer-lib.min.js b/dist/hanzi-writer-lib.min.js
index 2d498680..5eed223c 100644
--- a/dist/hanzi-writer-lib.min.js
+++ b/dist/hanzi-writer-lib.min.js
@@ -1,2 +1,2 @@
-/*! Hanzi Writer v1.4.0 | https://chanind.github.io/hanzi-writer */
+/*! Hanzi Writer v1.4.1 | https://chanind.github.io/hanzi-writer */
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t=this.lt(),i=0<this.P.state.character.outline.opacity;r(this.vt,this.W,this.ht,{isOutlineVisible:i,leniency:this.I.leniency})?this.dt(t):(this.pt(),this.at>=this.I.showHintAfterMisses&&this.P.run(h.highlightStroke(t,this.I.highlightColor,this.I.strokeHighlightSpeed))),this.vt=null}else this.vt=null},v.prototype.cancel=function(){this.tt=!1,this.vt&&this.P.run(h.removeUserStroke(this.vt.id,this.I.drawingFadeDuration))},v.prototype.dt=function(t){e(this.I.onCorrectStroke,{character:this.W.symbol,strokeNum:this.ht,mistakesOnStroke:this.at,totalMistakes:this.ct,strokesRemaining:this.W.strokes.length-this.ht-1,drawnPath:f(this.vt)});var 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r=n(19),e=n(21),u=n(0).assign,o=n(3);function s(t,i){this.W=t,this._=i,this.yt=new r(t),this.wt=new r(t),this.gt=new r(t),this.kt={}}s.prototype.mount=function(t){var i=t.createSubRenderTarget(),n=i.svg;o.attr(n,"transform","\n    translate("+this._.xOffset+", "+(this._.height-this._.yOffset)+")\n    scale("+this._.scale+", "+-1*this._.scale+")\n  "),this.wt.mount(i),this.yt.mount(i),this.gt.mount(i),this.mt=i},s.prototype.render=function(r){var o=this;this.wt.render({opacity:r.character.outline.opacity,strokes:r.character.outline.strokes,strokeColor:r.options.outlineColor}),this.yt.render({opacity:r.character.main.opacity,strokes:r.character.main.strokes,strokeColor:r.options.strokeColor,radicalColor:r.options.radicalColor}),this.gt.render({opacity:r.character.highlight.opacity,strokes:r.character.highlight.strokes,strokeColor:r.options.highlightColor});var s=r.userStrokes||{};Object.keys(this.kt).forEach(function(t){s[t]||(o.kt[t].destroy(),delete 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n=0;n<this.Ct.length;n++)!i&&this.bt.strokes&&t.strokes[n]===this.bt.strokes[n]||this.Ct[n].render({strokeColor:t.strokeColor,radicalColor:t.radicalColor,opacity:t.strokes[n].opacity,displayPortion:t.strokes[n].displayPortion});this.bt=t}},t.exports=o},function(t,i,n){"use strict";var r=n(0).counter,e=n(3),o=n(2),s=o.extendStart,u=o.getPathString;function h(t){this.bt={},this.Mt=t,this.Pt=t.getLength()+100}h.prototype.mount=function(t){this.Ft=e.createElm("path"),this.jt=e.createElm("clipPath"),this.xt=e.createElm("path");var i="mask-"+r();e.attr(this.jt,"id",i),e.attr(this.xt,"d",this.Mt.path),this.Ft.style.opacity=0,e.attr(this.Ft,"clip-path",e.urlIdRef(i));var n=s(this.Mt.points,100);return 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r(){this.bt={}}r.prototype.mount=function(t){this.At=e.createElm("path"),t.svg.appendChild(this.At)},r.prototype.render=function(t){if(t!==this.bt){if(t.strokeColor!==this.bt.strokeColor||t.strokeWidth!==this.bt.strokeWidth){var i=t.strokeColor,n=i.r,r=i.g,o=i.b,s=i.a;e.attrs(this.At,{fill:"none",stroke:"rgba("+n+","+r+","+o+","+s+")","stroke-width":t.strokeWidth,"stroke-linecap":"round","stroke-linejoin":"round"})}t.opacity!==this.bt.opacity&&e.attr(this.At,"opacity",t.opacity),t.points!==this.bt.points&&e.attr(this.At,"d",u(t.points)),this.bt=t}},r.prototype.destroy=function(){e.removeElm(this.At)},t.exports=r},function(i,t,n){"use strict";(function(u){var t=n(3),h=t.createElm,a=t.attrs;function c(t,i){this.svg=t,this.defs=i,this.node=t}c.prototype.createSubRenderTarget=function(){var t=h("g");return this.svg.appendChild(t),new c(t,this.defs)},c.init=function(t){var i=1<arguments.length&&void 0!==arguments[1]?arguments[1]:"100%",n=2<arguments.length&&void 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t=this;this.Ut(function(n){t.wt.render(n,{opacity:o.character.outline.opacity,strokes:o.character.outline.strokes,strokeColor:o.options.outlineColor}),t.yt.render(n,{opacity:o.character.main.opacity,strokes:o.character.main.strokes,strokeColor:o.options.strokeColor,radicalColor:o.options.radicalColor}),t.gt.render(n,{opacity:o.character.highlight.opacity,strokes:o.character.highlight.strokes,strokeColor:o.options.highlightColor});var r=o.userStrokes||{};Object.keys(r).forEach(function(t){if(r[t]){var i=e({strokeWidth:o.options.drawingWidth,strokeColor:o.options.drawingColor},r[t]);s(n,i)}})})},o.prototype.destroy=function(){},t.exports=o},function(t,i,n){"use strict";var r=n(26);function o(t){this.Ct=t.strokes.map(function(t){return new r(t)})}o.prototype.render=function(t,i){if(!(i.opacity<.05))for(var 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diff --git a/dist/hanzi-writer.js b/dist/hanzi-writer.js
index d7790b46..7678df50 100644
--- a/dist/hanzi-writer.js
+++ b/dist/hanzi-writer.js
@@ -1,5 +1,5 @@
 /*!
- * Hanzi Writer v1.4.0
+ * Hanzi Writer v1.4.1
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 /******/ (function(modules) { // webpackBootstrap
diff --git a/dist/hanzi-writer.min.js b/dist/hanzi-writer.min.js
index 9c7fc0f9..b3517a89 100644
--- a/dist/hanzi-writer.min.js
+++ b/dist/hanzi-writer.min.js
@@ -1,2 +1,2 @@
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n=arguments.length,r=Array(1<n?n-1:0),o=1;o<n;o++)r[o-1]=arguments[o];(i=this.R)[t].apply(i,r)}},y.prototype.Z=function(t){if(this.$){this.$.x=t.clientX,this.$.y=t.clientY;var i=this.$.matrixTransform(this.V.node.getScreenCTM().inverse());return{x:i.x,y:i.y}}var n=this.V.node.getBoundingClientRect();return{x:t.clientX-n.left,y:t.clientY-n.top}},y.prototype.K=function(t){if(this.$){this.$.x=t.touches[0].clientX,this.$.y=t.touches[0].clientY;var i=this.$.matrixTransform(this.V.node.getScreenCTM().inverse());return{x:i.x,y:i.y}}var n=this.V.node.getBoundingClientRect();return{x:t.touches[0].clientX-n.left,y:t.touches[0].clientY-n.top}},y.create=function(t,i){var n=new y(t,2<arguments.length&&void 0!==arguments[2]?arguments[2]:{});return n.setCharacter(i),n};var w=null,g=null;if(y.loadCharacterData=function(t){var i=1<arguments.length&&void 0!==arguments[1]?arguments[1]:{},n=void 0;return n=w&&g===i?w:new h(f({},p,i)),g=i,(w=n).loadCharData(t)},y.getScalingTransform=function(t,i){var n=2<arguments.length&&void 0!==arguments[2]?arguments[2]:0,r=new e({width:t,height:i,padding:n});return{x:r.xOffset,y:r.yOffset,scale:r.scale,transform:l("\n      translate("+r.xOffset+", "+(r.height-r.yOffset)+")\n      scale("+r.scale+", "+-1*r.scale+")\n    ").replace(/\s+/g," ")}},void 0!==t.window){var k=t.window.HanziWriter;y.noConflict=function(){return t.window.HanziWriter=k,y},t.window.HanziWriter=y}m.exports=y}).call(t,b(1))},function(t,i,n){"use strict";var r=n(0),o=r.copyAndMergeDeep,s=r.colorStringToVals;function e(t,i,n){this.X=n,this.Y=[],this.state={options:{drawingFadeDuration:i.drawingFadeDuration,drawingWidth:i.drawingWidth,drawingColor:s(i.drawingColor),strokeColor:s(i.strokeColor),outlineColor:s(i.outlineColor),radicalColor:s(i.radicalColor||i.strokeColor),highlightColor:s(i.highlightColor)},character:{main:{opacity:i.showCharacter?1:0,strokes:{}},outline:{opacity:i.showOutline?1:0,strokes:{}},highlight:{opacity:1,strokes:{}}},userStrokes:null};for(var r=0;r<t.strokes.length;r++)this.state.character.main.strokes[r]={opacity:1,displayPortion:1},this.state.character.outline.strokes[r]={opacity:1,displayPortion:1},this.state.character.highlight.strokes[r]={opacity:0,displayPortion:1}}e.prototype.updateState=function(t){var i=o(this.state,t);this.X(i,this.state),this.state=i},e.prototype.run=function(n){var r=this,o=1<arguments.length&&void 0!==arguments[1]?arguments[1]:{},s=n.map(function(t){return t.scope}).filter(function(t){return t});return this.cancelMutations(s),new Promise(function(t){var i={tt:!0,it:0,D:t,nt:n,rt:o.loop,ot:s};r.Y.push(i),r.st(i)})},e.prototype.st=function(i){var t=this;if(i.tt){var n=i.nt;if(i.it>=n.length){if(!i.rt)return i.tt=!1,this.Y=this.Y.filter(function(t){return t!==i}),void i.D({canceled:!1});i.it=0}i.nt[i.it].run(this).then(function(){i.tt&&(i.it++,t.st(i))})}},e.prototype.cancelMutations=function(t){var r=this;this.Y.forEach(function(n){n.ot.forEach(function(i){t.forEach(function(t){(0<=i.indexOf(t)||0<=t.indexOf(i))&&r.et(n)})})})},e.prototype.cancelAll=function(){this.cancelMutations([""])},e.prototype.et=function(i){i.tt=!1;for(var t=i.it;t<i.nt.length;t++)i.nt[t].cancel(this);i.D&&i.D({canceled:!0}),this.Y=this.Y.filter(function(t){return t!==i})},t.exports=e},function(t,i,n){"use strict";var s=function(t,i){if(Array.isArray(t))return t;if(Symbol.iterator in Object(t))return function(t,i){var n=[],r=!0,o=!1,s=void 0;try{for(var e,u=t[Symbol.iterator]();!(r=(e=u.next()).done)&&(n.push(e.value),!i||n.length!==i);r=!0);}catch(t){o=!0,s=t}finally{try{!r&&u.return&&u.return()}finally{if(o)throw s}}return n}(t,i);throw new TypeError("Invalid attempt to destructure non-iterable instance")},e=n(10),r=n(11),o=function(o){return o.strokes.map(function(t,i){var n,r=o.medians[i].map(function(t){var i=s(t,2);return{x:i[0],y:i[1]}});return new 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v(t,i,n){this.W=t,this.P=i,this.tt=!1,this._=n}v.prototype.startQuiz=function(t){this.tt=!0,this.I=t,this.ht=0,this.at=0,this.ct=0,this.ft=[],this.P.run(h.startQuiz(this.W,t.strokeFadeDuration))},v.prototype.startUserStroke=function(t){var i=this._.convertExternalPoint(t);if(!this.tt)return null;if(this.vt)return this.endUserStroke();var n=u();this.vt=new o(n,i,t),this.P.run(h.startUserStroke(n,i))},v.prototype.continueUserStroke=function(t){if(this.vt){var i=this._.convertExternalPoint(t);this.vt.appendPoint(i,t);var n=this.vt.points.slice(0);this.P.run(h.updateUserStroke(this.vt.id,n))}},v.prototype.endUserStroke=function(){if(this.vt)if(this.P.run(h.removeUserStroke(this.vt.id,this.I.drawingFadeDuration)),1!==this.vt.points.length){var t=this.lt(),i=0<this.P.state.character.outline.opacity;r(this.vt,this.W,this.ht,{isOutlineVisible:i,leniency:this.I.leniency})?this.dt(t):(this.pt(),this.at>=this.I.showHintAfterMisses&&this.P.run(h.highlightStroke(t,this.I.highlightColor,this.I.strokeHighlightSpeed))),this.vt=null}else this.vt=null},v.prototype.cancel=function(){this.tt=!1,this.vt&&this.P.run(h.removeUserStroke(this.vt.id,this.I.drawingFadeDuration))},v.prototype.dt=function(t){e(this.I.onCorrectStroke,{character:this.W.symbol,strokeNum:this.ht,mistakesOnStroke:this.at,totalMistakes:this.ct,strokesRemaining:this.W.strokes.length-this.ht-1,drawnPath:f(this.vt)});var i=c.showStroke("main",this.ht,this.I.strokeFadeDuration);this.ht+=1,this.at=0,this.ht===this.W.strokes.length&&(this.tt=!1,e(this.I.onComplete,{character:this.W.symbol,totalMistakes:this.ct}),this.I.highlightOnComplete&&(i=i.concat(h.highlightCompleteChar(this.W,this.I.highlightCompleteColor,2*this.I.strokeHighlightDuration)))),this.P.run(i)},v.prototype.pt=function(){this.at+=1,this.ct+=1,e(this.I.onMistake,{character:this.W.symbol,strokeNum:this.ht,mistakesOnStroke:this.at,totalMistakes:this.ct,strokesRemaining:this.W.strokes.length-this.ht,drawnPath:f(this.vt)})},v.prototype.lt=function(){return this.W.strokes[this.ht]},t.exports=v},function(t,i,n){"use strict";var r=n(0),h=r.average,l=r.assign,o=n(2),a=o.cosineSimilarity,d=o.equals,P=o.frechetDist,F=o.distance,c=o.subtract,j=o.normalizeCurve,x=o.rotate,O=o.length,D=function(t,i){var n,r,o,s=(r=[],o=(n=t)[0],n.slice(1).forEach(function(t){r.push(c(t,o)),o=t}),r),e=i.getVectors(),u=s.map(function(i){var t=e.map(function(t){return 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a=p(o,e[h],r);a.isMatch&&a.avgDist<u&&(u=a.avgDist)}if(u<s.avgDist){var c=.6*(u+s.avgDist)/(2*s.avgDist),f=(r.leniency||1)*c,v=l({},r,{leniency:f});return p(o,i.strokes[n],v).isMatch}return!0}},function(t,i,n){"use strict";function r(t,i,n){this.id=t,this.points=[i],this.externalPoints=[n]}r.prototype.appendPoint=function(t,i){this.points.push(t),this.externalPoints.push(i)},t.exports=r},function(t,i,n){"use strict";var h=n(5),r=n(4),o=n(0).objRepeat;t.exports={highlightCompleteChar:function(t,i,n){return[new h("character.highlight.strokeColor",i)].concat(r.hideCharacter("highlight",t)).concat(r.showCharacter("highlight",t,n/2)).concat(r.hideCharacter("highlight",t,n/2))},highlightStroke:function(t,i,n){var r,o,s,e=t.strokeNum,u=(t.getLength()+600)/(3*n);return[new h("character.highlight.strokeColor",i),new h("character.highlight",{opacity:1,strokes:(r={},o=e,s={displayPortion:0,opacity:0},o in 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r=n(19),e=n(21),u=n(0).assign,o=n(3);function s(t,i){this.W=t,this._=i,this.yt=new r(t),this.wt=new r(t),this.gt=new r(t),this.kt={}}s.prototype.mount=function(t){var i=t.createSubRenderTarget(),n=i.svg;o.attr(n,"transform","\n    translate("+this._.xOffset+", "+(this._.height-this._.yOffset)+")\n    scale("+this._.scale+", "+-1*this._.scale+")\n  "),this.wt.mount(i),this.yt.mount(i),this.gt.mount(i),this.mt=i},s.prototype.render=function(r){var o=this;this.wt.render({opacity:r.character.outline.opacity,strokes:r.character.outline.strokes,strokeColor:r.options.outlineColor}),this.yt.render({opacity:r.character.main.opacity,strokes:r.character.main.strokes,strokeColor:r.options.strokeColor,radicalColor:r.options.radicalColor}),this.gt.render({opacity:r.character.highlight.opacity,strokes:r.character.highlight.strokes,strokeColor:r.options.highlightColor});var s=r.userStrokes||{};Object.keys(this.kt).forEach(function(t){s[t]||(o.kt[t].destroy(),delete 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\ No newline at end of file
diff --git a/package.json b/package.json
index e8ee4594..cd540eff 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "hanzi-writer",
-  "version": "1.4.0",
+  "version": "1.4.1",
   "author": "David Chanin <chanindav@gmail.com> (http://chanind.github.io/hanzi-writer/)",
   "description": "Hanzi Writer is a free and open-source javascript library for both animating simplified Chinese characters and quizzing users on character stroke order.",
   "repository": "chanind/hanzi-writer",