diff --git a/common/app/flux/Store.js b/common/app/flux/Store.js
index c745e16ac0751b..30ee4e7ff324eb 100644
--- a/common/app/flux/Store.js
+++ b/common/app/flux/Store.js
@@ -8,13 +8,17 @@ const initValue = {
   points: 0
 };
 
-export default Store(initValue)
-  .refs({ displayName: 'AppStore' })
-  .init(({ instance: appStore, args: [cat] }) => {
+export default Store({
+  refs: {
+    displayName: 'AppStore',
+    value: initValue
+  },
+  init({ instance: appStore, args: [cat] }) {
     const { setUser, setTitle } = cat.getActions('appActions');
     const register = createRegistrar(appStore);
 
     register(setter(fromMany(setUser, setTitle)));
 
     return appStore;
-  });
+  }
+});
diff --git a/common/app/routes/Hikes/components/Lecture.jsx b/common/app/routes/Hikes/components/Lecture.jsx
index ea3c85191da5ab..e47dc0fc982776 100644
--- a/common/app/routes/Hikes/components/Lecture.jsx
+++ b/common/app/routes/Hikes/components/Lecture.jsx
@@ -1,6 +1,6 @@
 import React, { PropTypes } from 'react';
 import { Button, Col, Row, Panel } from 'react-bootstrap';
-import { Navigation } from 'react-router';
+import { History } from 'react-router';
 import Vimeo from 'react-vimeo';
 import debugFactory from 'debug';
 
@@ -8,7 +8,7 @@ const debug = debugFactory('freecc:hikes');
 
 export default React.createClass({
   displayName: 'Lecture',
-  mixins: [Navigation],
+  mixins: [History],
 
   propTypes: {
     currentHike: PropTypes.object,
@@ -20,7 +20,7 @@ export default React.createClass({
   handleFinish() {
     debug('loading questions');
     const { dashedName } = this.props.params;
-    this.transitionTo(`/hikes/${dashedName}/questions/1`);
+    this.history.pushState(null, `/hikes/${dashedName}/questions/1`);
   },
 
   renderTranscript(transcript, dashedName) {
diff --git a/common/app/routes/Hikes/components/Question.jsx b/common/app/routes/Hikes/components/Question.jsx
index e7fe7662d9be40..4f7e97f1492da6 100644
--- a/common/app/routes/Hikes/components/Question.jsx
+++ b/common/app/routes/Hikes/components/Question.jsx
@@ -1,6 +1,6 @@
 import React, { PropTypes } from 'react';
 import { Spring } from 'react-motion';
-import { Navigation, TransitionHook } from 'react-router';
+import { History, Lifecycle } from 'react-router';
 import debugFactory from 'debug';
 import {
   Button,
@@ -19,8 +19,8 @@ export default React.createClass({
   displayName: 'Question',
 
   mixins: [
-    Navigation,
-    TransitionHook
+    History,
+    Lifecycle
   ],
 
   propTypes: {
@@ -150,7 +150,8 @@ export default React.createClass({
 
     postJSON$('/completed-challenge', { id, name }).subscribeOnCompleted(() => {
       if (tests[nextQuestionIndex]) {
-        return this.transitionTo(
+        return this.history.pushState(
+          null,
           `/hikes/${ dashedName }/questions/${ nextQuestionIndex + 1 }`
         );
       }
@@ -168,13 +169,13 @@ export default React.createClass({
         }, null);
 
       if (nextHike) {
-        return this.transitionTo(`/hikes/${ nextHike.dashedName }`);
+        return this.history.pushState(null, `/hikes/${ nextHike.dashedName }`);
       }
       debug(
         'next Hike was not found, currentHike %s',
         currentHike.dashedName
       );
-      this.transitionTo('/hikes');
+      this.history.pushState(null, '/hikes');
     });
   },
 
diff --git a/common/app/routes/Hikes/flux/Actions.js b/common/app/routes/Hikes/flux/Actions.js
index 2d9d44a4fd29c9..f6ed407fae9dfe 100644
--- a/common/app/routes/Hikes/flux/Actions.js
+++ b/common/app/routes/Hikes/flux/Actions.js
@@ -3,7 +3,7 @@ import debugFactory from 'debug';
 
 const debug = debugFactory('freecc:hikes:actions');
 
-function getCurrentHike(hikes =[{}], dashedName, currentHike) {
+function getCurrentHike(hikes = [{}], dashedName, currentHike) {
   if (!dashedName) {
     debug('no dashedName');
     return hikes[0];
diff --git a/common/app/routes/Hikes/flux/Store.js b/common/app/routes/Hikes/flux/Store.js
index 4c7080b1c24f35..9755ed679ad8a2 100644
--- a/common/app/routes/Hikes/flux/Store.js
+++ b/common/app/routes/Hikes/flux/Store.js
@@ -5,12 +5,16 @@ const initialValue = {
   currentHike: {}
 };
 
-export default Store(initialValue)
-  .refs({ displayName: 'HikesStore'})
-  .init(({ instance: hikeStore, args: [cat] }) => {
+export default Store({
+  refs: {
+    displayName: 'HikesStore',
+    value: initialValue
+  },
+  init({ instance: hikeStore, args: [cat] }) {
 
     let { setHikes } = cat.getActions('hikesActions');
     hikeStore.register(setHikes);
 
     return hikeStore;
-  });
+  }
+});
diff --git a/common/app/routes/Jobs/flux/Store.js b/common/app/routes/Jobs/flux/Store.js
index b2f51320132496..8f3acd29497aef 100644
--- a/common/app/routes/Jobs/flux/Store.js
+++ b/common/app/routes/Jobs/flux/Store.js
@@ -6,9 +6,12 @@ const {
   transformer
 } = Store;
 
-export default Store({ showModal: false })
-  .refs({ displayName: 'JobsStore' })
-  .init(({ instance: jobsStore, args: [cat] }) => {
+export default Store({
+  refs: {
+    displayName: 'JobsStore',
+    value: { showModal: false }
+  },
+  init({ instance: jobsStore, args: [cat] }) {
     const {
       setJobs,
       findJob,
@@ -27,4 +30,5 @@ export default Store({ showModal: false })
 
     register(transformer(findJob));
     register(handleForm);
-  });
+  }
+});
diff --git a/package.json b/package.json
index c3f7c0bebbd271..06d6a933ce0479 100644
--- a/package.json
+++ b/package.json
@@ -63,8 +63,8 @@
     "json-loader": "^0.5.2",
     "less": "~2.5.1",
     "lodash": "^3.9.3",
-    "loopback": "https://github.com/FreeCodeCamp/loopback.git#fix/no-password",
-    "loopback-boot": "2.8.2",
+    "loopback": "^2.22.0",
+    "loopback-boot": "^2.13.0",
     "loopback-component-passport": "https://github.com/FreeCodeCamp/loopback-component-passport.git#feature/flashfailure",
     "loopback-connector-mongodb": "^1.10.0",
     "lusca": "~1.0.2",
@@ -89,17 +89,17 @@
     "react": "^0.13.3",
     "react-bootstrap": "~0.23.7",
     "react-motion": "~0.1.0",
-    "react-router": "^1.0.0-rc1",
+    "react-router": "https://github.com/BerkeleyTrue/react-router.git#freecodecamp",
     "react-vimeo": "^0.0.3",
     "request": "~2.53.0",
     "rev-del": "^1.0.5",
-    "rx": "^2.5.3",
+    "rx": "^4.0.0",
     "sanitize-html": "~1.6.1",
     "sort-keys": "^1.1.1",
     "source-map-support": "^0.3.2",
     "store": "https://github.com/berkeleytrue/store.js.git#feature/noop-server",
-    "thundercats": "^2.1.0",
-    "thundercats-react": "^0.1.0",
+    "thundercats": "^3.0.0",
+    "thundercats-react": "^0.3.0",
     "twit": "~1.1.20",
     "uglify-js": "~2.4.15",
     "validator": "^3.22.1",
diff --git a/server/boot/challenge.js b/server/boot/challenge.js
index 3b973cc0ac7ed2..400c32db33c5d3 100644
--- a/server/boot/challenge.js
+++ b/server/boot/challenge.js
@@ -186,7 +186,7 @@ module.exports = function(app) {
               );
             }
             const firstChallengeOfNextBlock$ = blocks$
-              .elementAtOrDefault(blockIndex + 1, {})
+              .elementAt(blockIndex + 1, {})
               .map(({ challenges = [] }) => challenges[0]);
 
             return blocks$
@@ -259,7 +259,7 @@ module.exports = function(app) {
       .filter((challenge) => {
         return testChallengeName.test(challenge.name);
       })
-      .lastOrDefault(null)
+      .last({ defaultValue: null })
       .flatMap(challenge => {
 
         // Handle not found