diff --git a/.travis.yml b/.travis.yml
index 5ec40272b9..d172d1e022 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,7 +6,6 @@ cache:
     - "dev_bundle"
     - ".meteor"
     - ".babel-cache"
-install: ./meteor --get-ready
 script: TEST_PACKAGES_EXCLUDE="less" ./packages/test-in-console/run.sh
 sudo: false
 env:
diff --git a/History.md b/History.md
index 84f0b7520f..9f642f9e67 100644
--- a/History.md
+++ b/History.md
@@ -1,5 +1,11 @@
 ## v.NEXT
 
+## v1.4.0.1
+
+* Fix issue with the 1.4 tool springboarding to older releases (see [Issue #7491](https://github.com/meteor/meteor/issues/7491))
+
+* Fix issue with running in development on Linux 32bit [Issue #7511](https://github.com/meteor/meteor/issues/7511)
+
 ## v1.4
 
 * Node has been upgraded to 4.4.7.
@@ -29,6 +35,10 @@
   2.6 up. Mongo 2.4 has now reached end-of-life
   (https://www.mongodb.com/support-policy), and is no longer supported.
 
+  If you are setting `MONGO_OPLOG_URL`, especially in production, ensure you are
+  passing in the `replicaSet` argument (see [#7450]
+    (https://github.com/meteor/meteor/issues/7450))
+
 * Custom Mongo options can now be specified using the
   `Mongo.setConnectionOptions(options)` API.
   [#7277](https://github.com/meteor/meteor/pull/7277)
diff --git a/packages/meteor-tool/package.js b/packages/meteor-tool/package.js
index dca5e85d20..09098a8829 100644
--- a/packages/meteor-tool/package.js
+++ b/packages/meteor-tool/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "The Meteor command-line tool",
-  version: '1.4.0'
+  version: '1.4.0-1'
 });
 
 Package.includeTool();
diff --git a/scripts/admin/meteor-release-experimental.json b/scripts/admin/meteor-release-experimental.json
index 56fb5520a2..acf7469cac 100644
--- a/scripts/admin/meteor-release-experimental.json
+++ b/scripts/admin/meteor-release-experimental.json
@@ -1,6 +1,6 @@
 {
  "track": "METEOR",
- "version": "1.4-rc.2",
+ "version": "1.4.0.1-rc.3",
  "recommended": false,
  "official": false,
  "description": "Meteor"
diff --git a/scripts/admin/meteor-release-official.json b/scripts/admin/meteor-release-official.json
index 996cb5ecf3..3940331155 100644
--- a/scripts/admin/meteor-release-official.json
+++ b/scripts/admin/meteor-release-official.json
@@ -1,7 +1,8 @@
 {
   "track": "METEOR",
-  "version": "1.4",
+  "version": "1.4.0.1",
   "recommended": false,
   "official": true,
-  "description": "The Official Meteor Distribution"
+  "description": "The Official Meteor Distribution",
+  "patchFrom": ["1.4"]
 }
diff --git a/tools/cli/main.js b/tools/cli/main.js
index b04ad74fe6..e5ab1f1d06 100644
--- a/tools/cli/main.js
+++ b/tools/cli/main.js
@@ -493,6 +493,14 @@ var springboard = function (rel, options) {
     }).await());
   }
 
+  // On OSX, there is a bug in node 4 when launching out to a node 0.10 process
+  // This should be fixed in the next release of node (we should then revert
+  // this change) https://github.com/meteor/meteor/issues/7491
+  if (process.platform === 'darwin') {
+    newArgv.unshift('-q', '/dev/null', executable);
+    executable = 'script';
+  }
+
   // Now exec; we're not coming back.
   require('kexec')(executable, newArgv);
   throw Error('exec failed?');
diff --git a/tools/isobuild/bundler.js b/tools/isobuild/bundler.js
index 5790d0a5b2..59cab96a65 100644
--- a/tools/isobuild/bundler.js
+++ b/tools/isobuild/bundler.js
@@ -2312,7 +2312,7 @@ var writeSiteArchive = Profile("bundler writeSiteArchive", function (
 
       builder.write('README', { data: new Buffer(
 `This is a Meteor application bundle. It has only one external dependency:
-Node.js 0.10.40 or newer. To run the application:
+Node.js 4.4.7 or newer. To run the application:
 
   $ (cd programs/server && npm install)
   $ export MONGO_URL='mongodb://user:password@host:port/databasename'
diff --git a/tools/isobuild/package-source.js b/tools/isobuild/package-source.js
index a32f71ded6..39648e1667 100644
--- a/tools/isobuild/package-source.js
+++ b/tools/isobuild/package-source.js
@@ -1361,21 +1361,16 @@ _.extend(PackageSource.prototype, {
 
   _inferFileOptions(relPath, {arch, isApp}) {
     const fileOptions = {};
-    const isAnyTest = global.testCommandMetadata &&
-      (global.testCommandMetadata.isTest ||
-       global.testCommandMetadata.isAppTest);
+    const isTest = global.testCommandMetadata
+      && global.testCommandMetadata.isTest;
+    const isAppTest = global.testCommandMetadata
+      && global.testCommandMetadata.isAppTest;
+    const isTestFile = (isTest || isAppTest) && isTestFilePath(relPath);
 
-    if (isAnyTest) {
-      if (isTestFilePath(relPath)) {
-        // When running tests, test files should not be loaded lazily.
-        return fileOptions;
-      }
-
-      // If running in test mode (`meteor test`), all files other than
-      // test files should be loaded lazily.
-      if (global.testCommandMetadata.isTest) {
-        fileOptions.lazy = true;
-      }
+    // If running in test mode (`meteor test`), all files other than
+    // test files should be loaded lazily.
+    if (isTest && !isTestFile) {
+      fileOptions.lazy = true;
     }
 
     const dirs = files.pathDirname(relPath).split(files.pathSep);
@@ -1392,7 +1387,8 @@ _.extend(PackageSource.prototype, {
         return fileOptions;
       }
 
-      if (isApp && dir === "imports") {
+      // Files in `imports/` should be lazily loaded *apart* from tests
+      if (isApp && dir === "imports" && !isTestFile) {
         fileOptions.lazy = true;
       }
 
diff --git a/tools/packaging/tropohouse.js b/tools/packaging/tropohouse.js
index 2dcb096c6d..f5739182ec 100644
--- a/tools/packaging/tropohouse.js
+++ b/tools/packaging/tropohouse.js
@@ -299,6 +299,12 @@ _.extend(exports.Tropohouse.prototype, {
   // XXX: Error handling.
   _downloadBuildToTempDir: function (versionInfo, buildRecord) {
     var url = buildRecord.build.url;
+    
+    // Override the download domain name and protocol if METEOR_WAREHOUSE_URLBASE
+    // provided.
+    if (process.env.METEOR_WAREHOUSE_URLBASE) {
+      url = url.replace(/^[a-zA-Z]+:\/\/[^\/]+/, process.env.METEOR_WAREHOUSE_URLBASE);
+    }
 
     // XXX: We use one progress for download & untar; this isn't ideal:
     // it relies on extractTarGz being fast and not reporting any progress.
diff --git a/tools/runners/run-mongo.js b/tools/runners/run-mongo.js
index d666c17c7a..9f9b692a20 100644
--- a/tools/runners/run-mongo.js
+++ b/tools/runners/run-mongo.js
@@ -55,8 +55,9 @@ function spawnMongod(mongodPath, port, dbPath, replSetName) {
     '--replSet', replSetName
   ];
 
-  // Use mmapv1 on windows, as our binary doesn't support WT
-  if (process.platform === "win32") {
+  // Use mmapv1 on 32bit platforms, as our binary doesn't support WT
+  if (process.platform === "win32"
+      || (process.platform === "linux" && process.arch === "ia32")) {
     args.push('--storageEngine', 'mmapv1', '--smallfiles');
   } else {
     // The WT journal seems to be at least 300MB, which is just too much
diff --git a/tools/tests/apps/modules/.meteor/.finished-upgraders b/tools/tests/apps/modules/.meteor/.finished-upgraders
index 7bd7197893..3e712bc5a9 100644
--- a/tools/tests/apps/modules/.meteor/.finished-upgraders
+++ b/tools/tests/apps/modules/.meteor/.finished-upgraders
@@ -12,3 +12,4 @@ notices-for-facebook-graph-api-2
 1.2.0-breaking-changes
 1.3.0-split-minifiers-package
 1.3.5-remove-old-dev-bundle-link
+1.4.0-remove-old-dev-bundle-link
diff --git a/tools/tests/apps/modules/.meteor/packages b/tools/tests/apps/modules/.meteor/packages
index 6093ce2252..431c7291c4 100644
--- a/tools/tests/apps/modules/.meteor/packages
+++ b/tools/tests/apps/modules/.meteor/packages
@@ -4,21 +4,21 @@
 # 'meteor add' and 'meteor remove' will edit this file for you,
 # but you can also edit it by hand.
 
-meteor-base             # Packages every Meteor app needs to have
-mobile-experience       # Packages for a great mobile UX
-mongo                   # The database Meteor supports right now
-blaze-html-templates    # Compile .html files into Meteor Blaze views
-session                 # Client-side reactive dictionary for your app
-jquery                  # Helpful client-side library
-tracker                 # Meteor's client-side reactive programming library
+meteor-base@1.0.4             # Packages every Meteor app needs to have
+mobile-experience@1.0.4       # Packages for a great mobile UX
+mongo@1.1.10                   # The database Meteor supports right now
+blaze-html-templates@1.0.4    # Compile .html files into Meteor Blaze views
+session@1.1.6                 # Client-side reactive dictionary for your app
+jquery@1.11.9                  # Helpful client-side library
+tracker@1.1.0                 # Meteor's client-side reactive programming library
 
-es5-shim                # ECMAScript 5 compatibility for older browsers.
-ecmascript              # Enable ECMAScript2015+ syntax in app code
+es5-shim@4.6.13                # ECMAScript 5 compatibility for older browsers.
+ecmascript@0.5.7              # Enable ECMAScript2015+ syntax in app code
 
-coffeescript
+coffeescript@1.2.3
 modules-test-package
 avital:mocha
-standard-minifier-css
-standard-minifier-js
+standard-minifier-css@1.1.8
+standard-minifier-js@1.1.8
 client-only-ecmascript
 modules-test-plugin
diff --git a/tools/tests/apps/modules/.meteor/release b/tools/tests/apps/modules/.meteor/release
index fcf9d2d773..810628dc6d 100644
--- a/tools/tests/apps/modules/.meteor/release
+++ b/tools/tests/apps/modules/.meteor/release
@@ -1 +1 @@
-METEOR@1.3.5.1
+METEOR@1.4
diff --git a/tools/tests/apps/modules/.meteor/versions b/tools/tests/apps/modules/.meteor/versions
index c7993884d1..7b73993d9a 100644
--- a/tools/tests/apps/modules/.meteor/versions
+++ b/tools/tests/apps/modules/.meteor/versions
@@ -1,30 +1,30 @@
 allow-deny@1.0.5
 autoupdate@1.2.11
 avital:mocha@2.1.0_10
-babel-compiler@6.8.5
-babel-runtime@0.1.9_1
+babel-compiler@6.9.0
+babel-runtime@0.1.10
 base64@1.0.9
 binary-heap@1.0.9
 blaze@2.1.8
 blaze-html-templates@1.0.4
 blaze-tools@1.0.9
 boilerplate-generator@1.0.9
-caching-compiler@1.0.6
+caching-compiler@1.1.6
 caching-html-compiler@1.0.6
 callback-hook@1.0.9
 check@1.2.3
 client-only-ecmascript@0.0.1
-coffeescript@1.1.4
+coffeescript@1.2.3
 ddp@1.2.5
 ddp-client@1.2.9
 ddp-common@1.2.6
 ddp-server@1.2.10
 deps@1.0.12
 diff-sequence@1.0.6
-ecmascript@0.4.8
-ecmascript-runtime@0.2.12
+ecmascript@0.5.7
+ecmascript-runtime@0.3.12
 ejson@1.0.12
-es5-shim@4.5.13
+es5-shim@4.6.13
 fastclick@1.0.12
 geojson-utils@1.0.9
 hot-code-push@1.0.4
@@ -35,28 +35,28 @@ id-map@1.0.8
 jquery@1.11.9
 launch-screen@1.0.12
 livedata@1.0.18
-logging@1.0.14
-meteor@1.1.16
+logging@1.1.14
+meteor@1.2.16
 meteor-base@1.0.4
-minifier-css@1.1.13
-minifier-js@1.1.13
+minifier-css@1.2.13
+minifier-js@1.2.13
 minimongo@1.0.17
 mobile-experience@1.0.4
 mobile-status-bar@1.0.12
-modules@0.6.5
-modules-runtime@0.6.5
+modules@0.7.5
+modules-runtime@0.7.5
 modules-test-package@0.0.1
 modules-test-plugin@0.0.1
-mongo@1.1.9_1
+mongo@1.1.10
 mongo-id@1.0.5
-npm-mongo@1.4.45
+npm-mongo@1.5.45
 observe-sequence@1.0.12
 ordered-dict@1.0.8
 practicalmeteor:chai@2.1.0_1
 practicalmeteor:loglevel@1.2.0_2
 practicalmeteor:mocha-core@0.1.4
 practicalmeteor:sinon@1.14.1_2
-promise@0.7.3
+promise@0.8.3
 random@1.0.10
 reactive-dict@1.1.8
 reactive-var@1.0.10
@@ -66,14 +66,14 @@ routepolicy@1.0.11
 session@1.1.6
 spacebars@1.0.12
 spacebars-compiler@1.0.12
-standard-minifier-css@1.0.8
-standard-minifier-js@1.0.8
+standard-minifier-css@1.1.8
+standard-minifier-js@1.1.8
 templating@1.1.14
 templating-tools@1.0.4
 tmeasday:test-reporter-helpers@0.2.1
-tracker@1.0.15
+tracker@1.1.0
 ui@1.0.11
 underscore@1.0.9
 url@1.0.10
-webapp@1.2.11
+webapp@1.3.10
 webapp-hashing@1.0.9