diff --git a/gulpfile.js b/gulpfile.js
index 4556e71bc..865f033db 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -116,12 +116,12 @@ const pipelineJavascript = lazypipe()
             ]
         });
     })
-    .pipe(function () {
-        return terser({
-            keep_fnames: true,
-            mangle: false
-        });
-    })
+//    .pipe(function () {
+//        return terser({
+//            keep_fnames: true,
+//            mangle: false
+//        });
+//    })
     .pipe(function () {
         return mode.development(sourcemaps.write('.'));
     });
diff --git a/src/scripts/settings/webSettings.js b/src/scripts/settings/webSettings.js
index 4b1b658e9..8279c162f 100644
--- a/src/scripts/settings/webSettings.js
+++ b/src/scripts/settings/webSettings.js
@@ -11,5 +11,8 @@ function getConfig() {
 export function enableMultiServer() {
     return getConfig().then(config => {
         return config.multiserver;
+    }).catch(error => {
+        console.log("cannot get web config:", error);
+        return false;
     });
 }
diff --git a/src/scripts/site.js b/src/scripts/site.js
index df9bd4495..fb9043aa2 100644
--- a/src/scripts/site.js
+++ b/src/scripts/site.js
@@ -709,6 +709,10 @@ var AppInfo = {};
             onError: onRequireJsError
         });
 
+        require(["fetch"], function (fetch) {
+            console.debug("fetch is here", fetch);
+        });
+
         require(["polyfill"]);
         require(["fast-text-encoding"]);
         require(["intersection-observer"]);
diff --git a/webpack.dev.js b/webpack.dev.js
index beca8ea4f..687e3d6b7 100644
--- a/webpack.dev.js
+++ b/webpack.dev.js
@@ -14,7 +14,7 @@ module.exports = merge(common, {
         rules: [
             {
                 test: /\.js$/,
-                exclude: /node_modules[\\/](?!query-string)/,
+                exclude: /node_modules[\\/](?!query-string|split-on-first|strict-uri-encode)/,
                 loader: "babel-loader"
             },
             {
diff --git a/webpack.prod.js b/webpack.prod.js
index 80d40f345..59d988fa9 100644
--- a/webpack.prod.js
+++ b/webpack.prod.js
@@ -7,7 +7,7 @@ module.exports = merge(common, {
         rules: [
             {
                 test: /\.js$/,
-                exclude: /node_modules[\\/](?!query-string)/,
+                exclude: /node_modules[\\/](?!query-string|split-on-first|strict-uri-encode)/,
                 loader: "babel-loader"
             },
             {