diff --git a/vendor/assets/javascripts/squash_javascript.min.js b/vendor/assets/javascripts/squash_javascript.min.js
index 909c07c..43a34bd 100644
--- a/vendor/assets/javascripts/squash_javascript.min.js
+++ b/vendor/assets/javascripts/squash_javascript.min.js
@@ -1,24 +1,24 @@
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+(c={url:g,line:b},c.func=TraceKit.computeStackTrace.guessFunctionName(c.url,c.line),c.context=TraceKit.computeStackTrace.gatherContext(c.url,c.line),c={mode:"onerror",message:l,stack:[c]});m(c,e);return s?s.apply(this,arguments):!1};q.subscribe=function(d){g.push(d)};q.unsubscribe=function(d){for(var f=g.length-1;0<=f;--f)g[f]===d&&g.splice(f,1)};return q}();
+TraceKit.computeStackTrace=function(){function m(b){try{void 0===XMLHttpRequest&&(XMLHttpRequest=function(){try{return new ActiveXObject("Msxml2.XMLHTTP.6.0")}catch(b){}try{return new ActiveXObject("Msxml2.XMLHTTP.3.0")}catch(a){}try{return new ActiveXObject("Msxml2.XMLHTTP")}catch(c){}try{return new ActiveXObject("Microsoft.XMLHTTP")}catch(G){}throw Error("No XHR.");});var a=new XMLHttpRequest;a.open("GET",b,!1);a.send("");return a.responseText}catch(c){return""}}function q(b){if(!C.hasOwnProperty(b)){var a;
+a=b.split("/");a=2<a.length&&a[2]===document.domain?m(b):[];C[b]=a.length?a.split("\n"):[]}return C[b]}function g(b,a){var c=/function ([^(]*)\(([^)]*)\)/,d=/['"]?([0-9A-Za-z$_]+)['"]?\s*[:=]\s*(function|eval|new Function)/,e="",f=q(b),h;if(!f.length)return"?";for(var g=0;10>g;++g)if(e=f[a-g]+e,void 0!==e&&((h=d.exec(e))||(h=c.exec(e))))return h[1];return"?"}function d(b,a){var c=q(b),d=[],e=!1;if(!c.length)return null;a-=1;for(var f=a-2,h=a+2;f<h;++f)d.push(c[f]),void 0!==c[f]&&(e=!0);return e?d:
+null}function f(b){return b.replace(/[\-\[\]{}()*+?.,\\\^$|#]/g,"\\$&")}function s(b){return f(b).replace("<","(?:<|&lt;)").replace(">","(?:>|&gt;)").replace("&","(?:&|&amp;)").replace('"','(?:"|&quot;)').replace(/\s+/g,"\\s+")}function l(b,a){for(var c,d,e=0,f=a.length;e<f;++e)if((c=q(a[e])).length)if(c=c.join("\n"),d=b.exec(c))return{url:a[e],line:c.substring(0,d.index).split("\n").length,column:d.index-c.lastIndexOf("\n",d.index)-1};return null}function A(b,a,c){a=q(a);b=RegExp("\\b"+f(b)+"\\b");
+var d;c-=1;return a&&a.length>c&&(d=b.exec(a[c]))?d.index:null}function b(b){var a=[window.location.href],c=document.getElementsByTagName("script");b=""+b;var d;for(d=0;d<c.length;++d){var e=c[d];e.src&&a.push(e.src)}(c=/^function(?:\s+([\w$]+))?\s*\(([\w\s,]*)\)\s*\{\s*(\S[\s\S]*\S)\s*\}\s*$/.exec(b))?(d=c[1]?"\\s+"+c[1]:"",e=c[2].split(",").join("\\s*,\\s*"),c=f(c[3]).replace(/;$/,";?").replace(/\s+/g,"\\s+"),d=RegExp("function"+d+"\\s*\\(\\s*"+e+"\\s*\\)\\s*{\\s*"+c+"\\s*}")):d=RegExp(f(b).replace(/\s+/g,
+"\\s+"));if(d=l(d,a))return d;if(c=/^function on([\w$]+)\s*\(event\)\s*\{\s*(\S[\s\S]*\S)\s*\}\s*$/.exec(b)){b=c[1];c=s(c[2]);d=RegExp("on"+b+"=[\\'\"]\\s*"+c+"\\s*[\\'\"]","i");if(d=l(d,a[0]))return d;d=RegExp(c);if(d=l(d,a))return d}return null}function c(b,a,c,e){a={url:a,line:c};if(a.url&&a.line){b.incomplete=!1;a.func||(a.func=g(a.url,a.line));a.context||(a.context=d(a.url,a.line));if(e=/ '([^']+)' /.exec(e))a.column=A(e[1],a.url,a.line);if(0<b.stack.length&&b.stack[0].url===a.url){if(b.stack[0].line===
+a.line)return!1;if(!b.stack[0].line&&b.stack[0].func===a.func)return b.stack[0].line=a.line,b.stack[0].context=a.context,!1}b.stack.unshift(a);return b.partial=!0}b.incomplete=!0;return!1}function e(d,e){for(var f=/function\s+([_$a-zA-Z\xA0-\uFFFF][_$a-zA-Z0-9\xA0-\uFFFF]*)?\s*\(/i,l=[],q={},k,h,n=arguments.callee.caller;n;n=n.caller)if(!(n===a||n===TraceKit.report)){h={url:null,func:"?",line:null,column:null};if(n.name)h.func=n.name;else if(k=f.exec(n.toString()))h.func=k[1];if(k=b(n)){h.url=k.url;
+h.line=k.line;"?"===h.func&&(h.func=g(h.url,h.line));var s=/ '([^']+)' /.exec(d.message||d.description);s&&(h.column=A(s[1],k.url,k.line))}q[""+n]&&(h.recursion=!0);l.push(h)}e&&l.splice(0,e);f={mode:"callers",name:d.name,message:d.message,stack:l};c(f,d.sourceURL||d.fileName,d.line||d.lineNumber,d.message||d.description);return f}function a(a,b){var c=null;b=void 0===b?0:+b;try{for(var f=/ line (\d+), column (\d+) in (?:<anonymous function: ([^>]+)>|([^\)]+))\((.*)\) in (.*):\s*$/i,m=a.stacktrace.split("\n"),
+k=[],h,n=0,C=m.length;n<C;n+=2)if(h=f.exec(m[n])){var v={line:+h[1],column:+h[2],func:h[3]||h[4],args:h[5]?h[5].split(","):[],url:h[6]};!v.func&&v.line&&(v.func=g(v.url,v.line));if(v.line)try{v.context=d(v.url,v.line)}catch(X){}v.context||(v.context=[m[n+1]]);k.push(v)}c=k.length?{mode:"stacktrace",name:a.name,message:a.message,stack:k}:null;if(c)return c}catch(P){if(x)throw P;}try{if(a.stack){var f=/^\s*at (?:new )?(.+) (?:\[as \S+\] )?\(((?:file|https?):.*?):(\d+)(?::(\d+))?\)\s*$/i,m=/^\s*(\S*)(?:\((.*?)\))?@((?:file|https?).*?):(\d+)(?::(\d+))?\s*$/i,
+D=a.stack.split("\n"),k=[],r,t,B=/^(.*) is undefined$/.exec(a.message);h=0;for(var F=D.length;h<F;++h){if(r=m.exec(D[h]))t={url:r[3],func:r[1],args:r[2]?r[2].split(","):"",line:+r[4],column:r[5]?+r[5]:null};else if(r=f.exec(D[h]))t={url:r[2],func:r[1],line:+r[3],column:r[4]?+r[4]:null};else continue;!t.func&&t.line&&(t.func=g(t.url,t.line));t.line&&(t.context=d(t.url,t.line));k.push(t)}k[0]&&(k[0].line&&!k[0].column&&B)&&(k[0].column=A(B[1],k[0].url,k[0].line));c=k.length?{mode:"stack",name:a.name,
+message:a.message,stack:k}:null}else c=null;if(c)return c}catch(Q){if(x)throw Q;}try{var y=a.message.split("\n");if(4>y.length)c=null;else{D=/^\s*Line (\d+) of linked script ((?:file|https?)\S+)(?:: in function (\S+))?\s*$/i;r=/^\s*Line (\d+) of inline#(\d+) script in ((?:file|https?)\S+)(?:: in function (\S+))?\s*$/i;t=/^\s*Line (\d+) of function script\s*$/i;var B=[],p=document.getElementsByTagName("script"),F=[],w,u,L,z;for(u in p)p.hasOwnProperty(u)&&!p[u].src&&F.push(p[u]);u=2;for(L=y.length;u<
+L;u+=2){p=null;if(w=D.exec(y[u]))p={url:w[2],func:w[3],line:+w[1]};else if(w=r.exec(y[u])){var p={url:w[3],func:w[4]},R=+w[1],M=F[w[2]-1];if(M&&(z=q(p.url))){z=z.join("\n");var N=z.indexOf(M.innerText);0<=N&&(p.line=R+z.substring(0,N).split("\n").length)}}else if(w=t.exec(y[u])){var O=window.location.href.replace(/#.*$/,""),S=w[1],T=RegExp(s(y[u+1]));z=l(T,[O]);p={url:O,line:z?z.line:S,func:""}}if(p){p.func||(p.func=g(p.url,p.line));var E=d(p.url,p.line),U=E?E[Math.floor(E.length/2)]:null;E&&U.replace(/^\s*/,
+"")===y[u+1].replace(/^\s*/,"")?p.context=E:p.context=[y[u+1]];B.push(p)}}c=B.length?{mode:"multiline",name:a.name,message:y[0],stack:B}:null}if(c)return c}catch(V){if(x)throw V;}try{if(c=e(a,b+1))return c}catch(W){if(x)throw W;}return{mode:"failed"}}var x=!1,C={};a.augmentStackTraceWithInitialElement=c;a.guessFunctionName=g;a.gatherContext=d;a.ofCaller=function(b){b=(void 0===b?0:+b)+1;try{0()}catch(c){return a(c,b+1)}return null};return a}();
+(function(m){var q=Array.prototype.slice,g=m.setTimeout;m.setTimeout=function(){var d=q.call(arguments,0),m=d[0];d[0]=function(){try{m.apply(this,arguments)}catch(d){throw TraceKit.report(d),d;}};return g.apply(this,d)};var d=m.setInterval;m.setInterval=function(){var f=q.call(arguments,0),g=f[0];f[0]=function(){try{g.apply(this,arguments)}catch(d){throw TraceKit.report(d),d;}};return d.apply(this,f)}})(window);
diff --git a/vendor/assets/javascripts/squash_javascript.orig.js b/vendor/assets/javascripts/squash_javascript.orig.js
index 2609fcf..f6a6bee 100644
--- a/vendor/assets/javascripts/squash_javascript.orig.js
+++ b/vendor/assets/javascripts/squash_javascript.orig.js
@@ -85,6 +85,9 @@
         } else {
           fields.message = info.message;
         }
+        if (fields.message) {
+          fields.message = fields.message.substring(0, 1000);
+        }
         if ((_ref6 = fields.class_name) == null) {
           fields.class_name = 'Error';
         }
@@ -96,10 +99,10 @@
         if (window.location.port.length > 0) {
           fields.port = window.location.port;
         }
-        fields.path = window.location.pathname;
-        fields.query = window.location.search;
+        fields.path = window.location.pathname.substring(0, 500);
+        fields.query = window.location.search.substring(0, 255);
         if (window.location.hash !== '') {
-          fields.fragment = window.location.hash;
+          fields.fragment = window.location.hash.substring(0, 255);
         }
         fields.user_agent = navigator.userAgent;
         fields.screen_width = screen.width;
@@ -214,14 +217,22 @@
           context = null;
         }
         backtraces.push({
-          url: line.url,
-          line: line.line,
+          url: line.url || "unknown",
+          line: line.line || 1,
           column: line.column,
           symbol: line.func,
           context: context,
           type: 'minified'
         });
       }
+      if (backtraces.length === 0) {
+        backtraces.push({
+          url: "fake",
+          line: 1,
+          symbol: "",
+          type: 'minified'
+        });
+      }
       return [
         {
           name: "Active Thread",
diff --git a/vendor/assets/javascripts/squash_javascript/client.coffee b/vendor/assets/javascripts/squash_javascript/client.coffee
index da6a5f5..35712af 100644
--- a/vendor/assets/javascripts/squash_javascript/client.coffee
+++ b/vendor/assets/javascripts/squash_javascript/client.coffee
@@ -91,6 +91,7 @@ class _SquashJavascript
         fields.message = matches[3]
       else
         fields.message = info.message
+      fields.message = fields.message.substring(0,1000) if fields.message
       fields.class_name ?= 'Error' # when all else fails
 
       fields.backtraces = buildBacktrace(info.stack)
@@ -100,9 +101,9 @@ class _SquashJavascript
       fields.schema = window.location.protocol.replace(/:$/, '')
       fields.host = window.location.hostname
       fields.port = window.location.port if window.location.port.length > 0
-      fields.path = window.location.pathname
-      fields.query = window.location.search
-      fields.fragment = window.location.hash if window.location.hash != ''
+      fields.path = window.location.pathname.substring(0,500)
+      fields.query = window.location.search.substring(0,255)
+      fields.fragment = window.location.hash.substring(0,255) if window.location.hash != ''
 
       fields.user_agent = navigator.userAgent
 
@@ -203,7 +204,12 @@ class _SquashJavascript
     for line in stack
       context = line.context
       context = null if context && any(context, (cline) -> cline && cline.length > 200)
-      backtraces.push {url: line.url, line: line.line, column: line.column, symbol: line.func, context: context, type: 'minified'}
+      backtraces.push {url: line.url || "unknown", line: line.line || 1, column: line.column, symbol: line.func, context: context, type: 'minified'}
+    # The server doesn't allow empty backtraces. We fake one to
+    # make sure the error arrives anyway.
+    if backtraces.length == 0
+      backtraces.push {url: "fake", line: 1, symbol: "", type: 'minified'}
+
     return [ {name: "Active Thread", faulted: true, backtrace: backtraces} ]
 
   ISODateString = (d) ->
diff --git a/vendor/assets/javascripts/squash_javascript/tracekit.js b/vendor/assets/javascripts/squash_javascript/tracekit.js
index 7206bd6..941b57c 100644
--- a/vendor/assets/javascripts/squash_javascript/tracekit.js
+++ b/vendor/assets/javascripts/squash_javascript/tracekit.js
@@ -548,8 +548,8 @@ TraceKit.computeStackTrace = (function () {
 			return null;
 		}
 
-		var chrome = /^\s*at (?:new )?(.+) (?:\[as \S+\] )?\(((?:file|http):.*?):(\d+)(?::(\d+))?\)\s*$/i,
-			gecko = /^\s*(\S*)(?:\((.*?)\))?@((?:file|http).*?):(\d+)(?::(\d+))?\s*$/i,
+		var chrome = /^\s*at (?:new )?(.+) (?:\[as \S+\] )?\(((?:file|https?):.*?):(\d+)(?::(\d+))?\)\s*$/i,
+			gecko = /^\s*(\S*)(?:\((.*?)\))?@((?:file|https?).*?):(\d+)(?::(\d+))?\s*$/i,
 			lines = ex.stack.split("\n"),
 			stack = [],
 			parts,
@@ -674,8 +674,8 @@ TraceKit.computeStackTrace = (function () {
 			return null;
 		}
 
-		var lineRE1 = /^\s*Line (\d+) of linked script ((?:file|http)\S+)(?:: in function (\S+))?\s*$/i,
-			lineRE2 = /^\s*Line (\d+) of inline#(\d+) script in ((?:file|http)\S+)(?:: in function (\S+))?\s*$/i,
+		var lineRE1 = /^\s*Line (\d+) of linked script ((?:file|https?)\S+)(?:: in function (\S+))?\s*$/i,
+			lineRE2 = /^\s*Line (\d+) of inline#(\d+) script in ((?:file|https?)\S+)(?:: in function (\S+))?\s*$/i,
 			lineRE3 = /^\s*Line (\d+) of function script\s*$/i,
 			stack = [],
 			scripts = document.getElementsByTagName('script'),