diff --git a/changelog.md b/changelog.md
index 6f78879bac..da561fa9ae 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,5 +1,13 @@
 # Change Log
 
+## [v3.0.0](https://github.com/feathersjs/feathers/tree/v3.0.0) (2017-11-01)
+[Full Changelog](https://github.com/feathersjs/feathers/compare/v3.0.0-pre.3...v3.0.0)
+
+**Merged pull requests:**
+
+- Update dependencies to enable Greenkeeper 🌴 [\#708](https://github.com/feathersjs/feathers/pull/708) ([greenkeeper[bot]](https://github.com/apps/greenkeeper))
+- Feathers v3 core \(Buzzard\) [\#697](https://github.com/feathersjs/feathers/pull/697) ([daffl](https://github.com/daffl))
+
 ## [v3.0.0-pre.3](https://github.com/feathersjs/feathers/tree/v3.0.0-pre.3) (2017-10-25)
 [Full Changelog](https://github.com/feathersjs/feathers/compare/v3.0.0-pre.2...v3.0.0-pre.3)
 
diff --git a/lib/application.js b/lib/application.js
index e9053c376c..b35a0897cd 100644
--- a/lib/application.js
+++ b/lib/application.js
@@ -78,6 +78,10 @@ const application = {
   },
 
   use (path, service, options = {}) {
+    if (typeof path !== 'string' || stripSlashes(path) === '') {
+      throw new Error(`'${path}' is not a valid service path.`);
+    }
+
     const location = stripSlashes(path);
     const isSubApp = typeof service.service === 'function' && service.services;
     const isService = this.methods.concat('setup').some(name =>
diff --git a/lib/index.js b/lib/index.js
index 4b4719a16f..17897f8ee7 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -16,3 +16,6 @@ function createApplication () {
 createApplication.version = version;
 
 module.exports = createApplication;
+
+// For better ES module (TypeScript) compatibility
+module.exports.default = createApplication;
diff --git a/lib/version.js b/lib/version.js
index 07b0385836..0bc0991071 100644
--- a/lib/version.js
+++ b/lib/version.js
@@ -1 +1 @@
-module.exports = '3.0.0';
+module.exports = '3.0.1';
diff --git a/package-lock.json b/package-lock.json
index 257269dbaf..1b9c514216 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "@feathersjs/feathers",
-  "version": "3.0.0",
+  "version": "3.0.1",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index bf253943cf..4f35fc7afb 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@feathersjs/feathers",
   "description": "A REST and realtime API layer for modern applications.",
-  "version": "3.0.0",
+  "version": "3.0.1",
   "homepage": "http://feathersjs.com",
   "repository": {
     "type": "git",
@@ -13,7 +13,7 @@
     "socket.io",
     "realtime"
   ],
-  "main": "lib/index",
+  "main": "lib/index.js",
   "author": {
     "name": "Feathers contributor",
     "email": "hello@feathersjs.com",
@@ -59,7 +59,7 @@
     "istanbul": "^1.1.0-alpha.1",
     "jshint": "^2.9.4",
     "mocha": "^4.0.0",
-    "nsp": "^2.6.2",
+    "nsp": "^3.0.0",
     "semistandard": "^11.0.0"
   }
 }
diff --git a/readme.md b/readme.md
index c4a6785ff1..b7ecbbba50 100644
--- a/readme.md
+++ b/readme.md
@@ -34,7 +34,7 @@ Here is all the code you need to create a RESTful, real-time message API that us
 ```js
 // app.js
 const feathers = require('@feathersjs/feathers');
-const expressify = require('@feathersjs/express')
+const express = require('@feathersjs/express')
 const socketio = require('@feathersjs/socketio');
 const handler = require('@feathersjs/errors/handler');
 
@@ -42,14 +42,14 @@ const memory = require('feathers-memory');
 
 // Create a Feathers application that is also fully compatible
 // with an Express app
-const app = expressify(feathers());
+const app = express(feathers());
 
 // Parse HTTP JSON bodies
-app.use(expressify.json());
+app.use(express.json());
 // Parse URL-encoded params
-app.use(expressify.urlencoded({ extended: true }));
+app.use(express.urlencoded({ extended: true }));
 // Add REST API support
-app.configure(expressify.rest());
+app.configure(express.rest());
 // Configure Socket.io real-time APIs
 app.configure(socketio());
 // Register our memory "messages" service
@@ -72,7 +72,7 @@ npm install @feathersjs/feathers @feathersjs/express @feathersjs/socketio @feath
 node app
 ```
 
-and go to [http://localhost:3000/messages](http://localhost:3000/messages). That's it! There's a lot more you can do with Feathers including; using a real database, authentication, authorization, clustering and more! Head on over to [the Feathers docs](http://docs.feathersjs.com) to see just how easy it is to build scalable real-time apps.
+and go to [http://localhost:3030/messages](http://localhost:3030/messages). That's it! There's a lot more you can do with Feathers including; using a real database, authentication, authorization, clustering and more! Head on over to [the Feathers docs](http://docs.feathersjs.com) to see just how easy it is to build scalable real-time apps.
 
 ## Documentation
 
diff --git a/test/application.test.js b/test/application.test.js
index 15c8c8891e..5a9cf66dc5 100644
--- a/test/application.test.js
+++ b/test/application.test.js
@@ -3,6 +3,10 @@ const Proto = require('uberproto');
 const feathers = require('../lib');
 
 describe('Feathers application', () => {
+  it('adds an ES module `default` export', () => {
+    assert.equal(feathers, feathers.default);
+  });
+
   it('initializes', () => {
     const app = feathers();
 
@@ -73,6 +77,28 @@ describe('Feathers application', () => {
   });
 
   describe('Services', () => {
+    it('calling .use with invalid path throws', () => {
+      const app = feathers();
+
+      try {
+        app.use('/', {});
+      } catch (e) {
+        assert.equal(e.message, `'/' is not a valid service path.`);
+      }
+
+      try {
+        app.use('', {});
+      } catch (e) {
+        assert.equal(e.message, `'' is not a valid service path.`);
+      }
+
+      try {
+        app.use({}, {});
+      } catch (e) {
+        assert.equal(e.message, `'[object Object]' is not a valid service path.`);
+      }
+    });
+
     it('calling .use with a non service object throws', () => {
       const app = feathers();