diff --git a/README.md b/README.md
index 20b7f573..d543e3d0 100644
--- a/README.md
+++ b/README.md
@@ -18,7 +18,7 @@ mithril.js [![NPM Version](https://img.shields.io/npm/v/mithril.svg)](https://ww
 
 ## What is Mithril?
 
-A modern client-side Javascript framework for building Single Page Applications. It's small (<!-- size -->8.91 KB<!-- /size --> gzipped), fast and provides routing and XHR utilities out of the box.
+A modern client-side Javascript framework for building Single Page Applications. It's small (<!-- size -->8.92 KB<!-- /size --> gzipped), fast and provides routing and XHR utilities out of the box.
 
 Mithril is used by companies like Vimeo and Nike, and open source platforms like Lichess 👍.
 
diff --git a/mithril.js b/mithril.js
index 797783b3..0b46c1ac 100644
--- a/mithril.js
+++ b/mithril.js
@@ -314,6 +314,8 @@ var _9 = function($window, Promise) {
 			}
 			if (args.withCredentials) xhr.withCredentials = args.withCredentials
 			if (args.timeout) xhr.timeout = args.timeout
+			
+			if (args.responseType) xhr.responseType = args.responseType
 			for (var key in args.headers) if ({}.hasOwnProperty.call(args.headers, key)) {
 				xhr.setRequestHeader(key, args.headers[key])
 			}
diff --git a/mithril.min.js b/mithril.min.js
index a571c177..070304ac 100644
--- a/mithril.min.js
+++ b/mithril.min.js
@@ -11,13 +11,13 @@ g){if(Array.isArray(g))for(var k=0;k<g.length;k++)d(a+"["+k+"]",g[k]);else if("[
 function(){a++;var g=e.apply(d,arguments);g.then(c,function(d){c();if(0===a)throw d;});return F(g)};return d}}function g(c,a){if("string"===typeof c){var d=c;c=a||{};null==c.url&&(c.url=d)}return c}function q(c,a){if(null==a)return c;for(var d=c.match(/:[^\/]+/gi)||[],e=0;e<d.length;e++){var g=d[e].slice(1);null!=a[g]&&(c=c.replace(d[e],a[g]))}return c}function h(c,a){var d=I(a);if(""!==d){var e=0>c.indexOf("?")?"?":"&";c+=e+d}return c}function k(c){try{return""!==c?JSON.parse(c):null}catch(x){throw Error("Invalid JSON: "+
 c);}}function n(c){return c.responseText}function m(c,a){if("function"===typeof c)if(Array.isArray(a))for(var d=0;d<a.length;d++)a[d]=new c(a[d]);else return new c(a);return a}var l=0,C;return{request:function(c,l){var E=e();c=g(c,l);var x=new d(function(d,e){null==c.method&&(c.method="GET");c.method=c.method.toUpperCase();var g="GET"===c.method||"TRACE"===c.method?!1:"boolean"===typeof c.useBody?c.useBody:!0;"function"!==typeof c.serialize&&(c.serialize="undefined"!==typeof FormData&&c.data instanceof
 FormData?function(c){return c}:JSON.stringify);"function"!==typeof c.deserialize&&(c.deserialize=k);"function"!==typeof c.extract&&(c.extract=n);c.url=q(c.url,c.data);g?c.data=c.serialize(c.data):c.url=h(c.url,c.data);var l=new a.XMLHttpRequest,E=!1,x=l.abort;l.abort=function(){E=!0;x.call(l)};l.open(c.method,c.url,"boolean"===typeof c.async?c.async:!0,"string"===typeof c.user?c.user:void 0,"string"===typeof c.password?c.password:void 0);c.serialize!==JSON.stringify||!g||c.headers&&c.headers.hasOwnProperty("Content-Type")||
-l.setRequestHeader("Content-Type","application/json; charset=utf-8");c.deserialize!==k||c.headers&&c.headers.hasOwnProperty("Accept")||l.setRequestHeader("Accept","application/json, text/*");c.withCredentials&&(l.withCredentials=c.withCredentials);c.timeout&&(l.timeout=c.timeout);for(var C in c.headers)({}).hasOwnProperty.call(c.headers,C)&&l.setRequestHeader(C,c.headers[C]);"function"===typeof c.config&&(l=c.config(l,c)||l);l.onreadystatechange=function(){if(!E&&4===l.readyState)try{var a=c.extract!==
-n?c.extract(l,c):c.deserialize(c.extract(l,c));if(c.extract!==n||200<=l.status&&300>l.status||304===l.status||Z.test(c.url))d(m(c.type,a));else{var g=Error(l.responseText);g.code=l.status;g.response=a;e(g)}}catch(aa){e(aa)}};g&&null!=c.data?l.send(c.data):l.send()});return!0===c.background?x:E(x)},jsonp:function(c,n){var k=e();c=g(c,n);var x=new d(function(d,e){var g=c.callbackName||"_mithril_"+Math.round(1E16*Math.random())+"_"+l++,n=a.document.createElement("script");a[g]=function(e){n.parentNode.removeChild(n);
-d(m(c.type,e));delete a[g]};n.onerror=function(){n.parentNode.removeChild(n);e(Error("JSONP request failed"));delete a[g]};null==c.data&&(c.data={});c.url=q(c.url,c.data);c.data[c.callbackKey||"callback"]=g;n.src=h(c.url,c.data);a.document.documentElement.appendChild(n)});return!0===c.background?x:k(x)},setCompletionCallback:function(c){C=c}}}(window,p),V=function(a){function d(t,b){if(t.state!==b)throw Error("`vnode.state` must not be modified");}function e(t){var b=t.state;try{return this.apply(b,
-arguments)}finally{d(t,b)}}function g(t,b,f,c,a,d,e){for(;f<c;f++){var g=b[f];null!=g&&q(t,g,a,e,d)}}function q(t,b,f,a,d){var m=b.tag;if("string"===typeof m)switch(b.state={},null!=b.attrs&&N(b.attrs,b,f),m){case "#":b.dom=D.createTextNode(b.children);C(t,b.dom,d);break;case "<":h(t,b,a,d);break;case "[":m=D.createDocumentFragment();if(null!=b.children){var l=b.children;g(m,l,0,l.length,f,null,a)}b.dom=m.firstChild;b.domSize=m.childNodes.length;C(t,m,d);break;default:var n=b.tag,v=(m=b.attrs)&&m.is;
-n=(a=b.attrs&&b.attrs.xmlns||H[b.tag]||a)?v?D.createElementNS(a,n,{is:v}):D.createElementNS(a,n):v?D.createElement(n,{is:v}):D.createElement(n);b.dom=n;if(null!=m)for(l in v=a,m)F(b,l,null,m[l],v);C(t,n,d);if(null!=m&&null!=m.contenteditable)c(b);else if(null!=b.text&&(""!==b.text?n.textContent=b.text:b.children=[z("#",void 0,void 0,b.text,void 0,void 0)]),null!=b.children&&(t=b.children,g(n,t,0,t.length,f,null,a),"select"===b.tag&&null!=m)){if("value"in m)if(null===m.value)-1!==b.dom.selectedIndex&&
-(b.dom.value=null);else if(f=""+m.value,b.dom.value!==f||-1===b.dom.selectedIndex)b.dom.value=f;"selectedIndex"in m&&F(b,"selectedIndex",null,m.selectedIndex,void 0)}}else{a:{if("function"===typeof b.tag.view){b.state=Object.create(b.tag);m=b.state.view;if(null!=m.$$reentrantLock$$)break a;m.$$reentrantLock$$=!0}else{b.state=void 0;m=b.tag;if(null!=m.$$reentrantLock$$)break a;m.$$reentrantLock$$=!0;b.state=null!=b.tag.prototype&&"function"===typeof b.tag.prototype.view?new b.tag(b):b.tag(b)}null!=
-b.attrs&&N(b.attrs,b,f);N(b.state,b,f);b.instance=z.normalize(e.call(b.state.view,b));if(b.instance===b)throw Error("A view cannot return the vnode it received as argument");m.$$reentrantLock$$=null}null!=b.instance?(q(t,b.instance,f,a,d),b.dom=b.instance.dom,b.domSize=null!=b.dom?b.instance.domSize:0):b.domSize=0}}function h(t,b,f,c){var a=b.children.match(/^\s*?<(\w+)/im)||[];a=D.createElement(J[a[1]]||"div");"http://www.w3.org/2000/svg"===f?(a.innerHTML='<svg xmlns="http://www.w3.org/2000/svg">'+
+l.setRequestHeader("Content-Type","application/json; charset=utf-8");c.deserialize!==k||c.headers&&c.headers.hasOwnProperty("Accept")||l.setRequestHeader("Accept","application/json, text/*");c.withCredentials&&(l.withCredentials=c.withCredentials);c.timeout&&(l.timeout=c.timeout);c.responseType&&(l.responseType=c.responseType);for(var C in c.headers)({}).hasOwnProperty.call(c.headers,C)&&l.setRequestHeader(C,c.headers[C]);"function"===typeof c.config&&(l=c.config(l,c)||l);l.onreadystatechange=function(){if(!E&&
+4===l.readyState)try{var a=c.extract!==n?c.extract(l,c):c.deserialize(c.extract(l,c));if(c.extract!==n||200<=l.status&&300>l.status||304===l.status||Z.test(c.url))d(m(c.type,a));else{var g=Error(l.responseText);g.code=l.status;g.response=a;e(g)}}catch(aa){e(aa)}};g&&null!=c.data?l.send(c.data):l.send()});return!0===c.background?x:E(x)},jsonp:function(c,n){var k=e();c=g(c,n);var x=new d(function(d,e){var g=c.callbackName||"_mithril_"+Math.round(1E16*Math.random())+"_"+l++,n=a.document.createElement("script");
+a[g]=function(e){n.parentNode.removeChild(n);d(m(c.type,e));delete a[g]};n.onerror=function(){n.parentNode.removeChild(n);e(Error("JSONP request failed"));delete a[g]};null==c.data&&(c.data={});c.url=q(c.url,c.data);c.data[c.callbackKey||"callback"]=g;n.src=h(c.url,c.data);a.document.documentElement.appendChild(n)});return!0===c.background?x:k(x)},setCompletionCallback:function(c){C=c}}}(window,p),V=function(a){function d(t,b){if(t.state!==b)throw Error("`vnode.state` must not be modified");}function e(t){var b=
+t.state;try{return this.apply(b,arguments)}finally{d(t,b)}}function g(t,b,f,c,a,d,e){for(;f<c;f++){var g=b[f];null!=g&&q(t,g,a,e,d)}}function q(t,b,f,a,d){var m=b.tag;if("string"===typeof m)switch(b.state={},null!=b.attrs&&N(b.attrs,b,f),m){case "#":b.dom=D.createTextNode(b.children);C(t,b.dom,d);break;case "<":h(t,b,a,d);break;case "[":m=D.createDocumentFragment();if(null!=b.children){var l=b.children;g(m,l,0,l.length,f,null,a)}b.dom=m.firstChild;b.domSize=m.childNodes.length;C(t,m,d);break;default:var n=
+b.tag,v=(m=b.attrs)&&m.is;n=(a=b.attrs&&b.attrs.xmlns||H[b.tag]||a)?v?D.createElementNS(a,n,{is:v}):D.createElementNS(a,n):v?D.createElement(n,{is:v}):D.createElement(n);b.dom=n;if(null!=m)for(l in v=a,m)F(b,l,null,m[l],v);C(t,n,d);if(null!=m&&null!=m.contenteditable)c(b);else if(null!=b.text&&(""!==b.text?n.textContent=b.text:b.children=[z("#",void 0,void 0,b.text,void 0,void 0)]),null!=b.children&&(t=b.children,g(n,t,0,t.length,f,null,a),"select"===b.tag&&null!=m)){if("value"in m)if(null===m.value)-1!==
+b.dom.selectedIndex&&(b.dom.value=null);else if(f=""+m.value,b.dom.value!==f||-1===b.dom.selectedIndex)b.dom.value=f;"selectedIndex"in m&&F(b,"selectedIndex",null,m.selectedIndex,void 0)}}else{a:{if("function"===typeof b.tag.view){b.state=Object.create(b.tag);m=b.state.view;if(null!=m.$$reentrantLock$$)break a;m.$$reentrantLock$$=!0}else{b.state=void 0;m=b.tag;if(null!=m.$$reentrantLock$$)break a;m.$$reentrantLock$$=!0;b.state=null!=b.tag.prototype&&"function"===typeof b.tag.prototype.view?new b.tag(b):
+b.tag(b)}null!=b.attrs&&N(b.attrs,b,f);N(b.state,b,f);b.instance=z.normalize(e.call(b.state.view,b));if(b.instance===b)throw Error("A view cannot return the vnode it received as argument");m.$$reentrantLock$$=null}null!=b.instance?(q(t,b.instance,f,a,d),b.dom=b.instance.dom,b.domSize=null!=b.dom?b.instance.domSize:0):b.domSize=0}}function h(t,b,f,c){var a=b.children.match(/^\s*?<(\w+)/im)||[];a=D.createElement(J[a[1]]||"div");"http://www.w3.org/2000/svg"===f?(a.innerHTML='<svg xmlns="http://www.w3.org/2000/svg">'+
 b.children+"</svg>",a=a.firstChild):a.innerHTML=b.children;b.dom=a.firstChild;b.domSize=a.childNodes.length;for(b=D.createDocumentFragment();f=a.firstChild;)b.appendChild(f);C(t,b,c)}function k(t,b,f,c,a,d){if(b!==f&&(null!=b||null!=f))if(null==b||0===b.length)g(t,f,0,f.length,c,a,d);else if(null==f||0===f.length)x(b,0,b.length);else{for(var e=0,k=0,v=null,h=null;k<b.length;k++)if(null!=b[k]){v=null!=b[k].key;break}for(;e<f.length;e++)if(null!=f[e]){h=null!=f[e].key;break}if(null!==h||null!=v)if(v!==
 h)x(b,k,b.length),g(t,f,e,f.length,c,a,d);else if(h){h=b.length-1;v=f.length-1;for(var p,r,u,A,y,B;h>=k&&v>=e;)if(A=b[h],y=f[v],null==A)h--;else if(null==y)v--;else if(A.key===y.key)A!==y&&n(t,A,y,c,a,d),null!=y.dom&&(a=y.dom),h--,v--;else break;for(;h>=k&&v>=e;)if(r=b[k],u=f[e],null==r)k++;else if(null==u)e++;else if(r.key===u.key)k++,e++,r!==u&&n(t,r,u,c,l(b,k,a),d);else break;for(;h>=k&&v>=e;){if(null==r)k++;else if(null==u)e++;else if(null==A)h--;else if(null==y)v--;else if(e===v)break;else{if(r.key!==
 y.key||A.key!==u.key)break;B=l(b,k,a);C(t,m(A),B);A!==u&&n(t,A,u,c,B,d);++e<=--v&&C(t,m(r),a);r!==y&&n(t,r,y,c,a,d);null!=y.dom&&(a=y.dom);k++;h--}A=b[h];y=f[v];r=b[k];u=f[e]}for(;h>=k&&v>=e;){if(null==A)h--;else if(null==y)v--;else if(A.key===y.key)A!==y&&n(t,A,y,c,a,d),null!=y.dom&&(a=y.dom),h--,v--;else break;A=b[h];y=f[v]}if(e>v)x(b,k,h+1);else if(k>h)g(t,f,e,v+1,c,a,d);else{u=a;A=v-e+1;r=Array(A);var G=2147483647,z=0;for(B=0;B<A;B++)r[B]=-1;for(B=v;B>=e;B--){if(null==p){p=b;A=k;y=h+1;for(var w=