diff --git a/packages/accounts-base/package.js b/packages/accounts-base/package.js
index d4f7b15290..1172852afa 100644
--- a/packages/accounts-base/package.js
+++ b/packages/accounts-base/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "A user account system",
-  version: "1.2.9-beta.11"
+  version: "1.2.9-beta.12"
 });
 
 Package.onUse(function (api) {
diff --git a/packages/accounts-password/package.js b/packages/accounts-password/package.js
index c5a7989a7a..2ee28693eb 100644
--- a/packages/accounts-password/package.js
+++ b/packages/accounts-password/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Password support for accounts",
-  version: "1.2.12-beta.11"
+  version: "1.2.12-beta.12"
 });
 
 Package.onUse(function(api) {
diff --git a/packages/accounts-twitter/package.js b/packages/accounts-twitter/package.js
index 5795fe7d45..d68f58d526 100644
--- a/packages/accounts-twitter/package.js
+++ b/packages/accounts-twitter/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Login service for Twitter accounts",
-  version: "1.1.11-beta.11"
+  version: "1.1.11-beta.12"
 });
 
 Package.onUse(function(api) {
diff --git a/packages/autoupdate/package.js b/packages/autoupdate/package.js
index a3b65432b1..fd825c4fd8 100644
--- a/packages/autoupdate/package.js
+++ b/packages/autoupdate/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Update the client when new client code is available",
-  version: '1.3.11-beta.11'
+  version: '1.3.11-beta.12'
 });
 
 Package.onUse(function (api) {
diff --git a/packages/babel-compiler/package.js b/packages/babel-compiler/package.js
index 1b95ce1e60..f1735e87ca 100644
--- a/packages/babel-compiler/package.js
+++ b/packages/babel-compiler/package.js
@@ -6,7 +6,7 @@ Package.describe({
   // isn't possible because you can't publish a non-recommended
   // release with package versions that don't have a pre-release
   // identifier at the end (eg, -dev)
-  version: '6.9.0-beta.11'
+  version: '6.9.0-beta.12'
 });
 
 Npm.depends({
diff --git a/packages/babel-runtime/package.js b/packages/babel-runtime/package.js
index d83d56c1a6..2b382e064b 100644
--- a/packages/babel-runtime/package.js
+++ b/packages/babel-runtime/package.js
@@ -1,7 +1,7 @@
 Package.describe({
   name: "babel-runtime",
   summary: "Runtime support for output of Babel transpiler",
-  version: '0.1.10-beta.11',
+  version: '0.1.10-beta.12',
   documentation: 'README.md'
 });
 
diff --git a/packages/caching-compiler/package.js b/packages/caching-compiler/package.js
index 90b8cbcb25..07ad9e34a9 100644
--- a/packages/caching-compiler/package.js
+++ b/packages/caching-compiler/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   name: 'caching-compiler',
-  version: '1.1.6-beta.11',
+  version: '1.1.6-beta.12',
   summary: 'An easy way to make compiler plugins cache',
   documentation: 'README.md'
 });
diff --git a/packages/coffeescript/package.js b/packages/coffeescript/package.js
index 5704d6bcb1..797207e3b3 100644
--- a/packages/coffeescript/package.js
+++ b/packages/coffeescript/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Javascript dialect with fewer braces and semicolons",
-  version: "1.2.3-beta.11"
+  version: "1.2.3-beta.12"
 });
 
 Package.registerBuildPlugin({
diff --git a/packages/constraint-solver/package.js b/packages/constraint-solver/package.js
index c6ce1abe0b..6b2b646136 100644
--- a/packages/constraint-solver/package.js
+++ b/packages/constraint-solver/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Given the set of the constraints, picks a satisfying configuration",
-  version: "1.1.0-beta.11"
+  version: "1.1.0-beta.12"
 });
 
 Package.onUse(function (api) {
diff --git a/packages/ddp-client/package.js b/packages/ddp-client/package.js
index 20d9e78cfd..36114a2f3b 100644
--- a/packages/ddp-client/package.js
+++ b/packages/ddp-client/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Meteor's latency-compensated distributed data client",
-  version: '1.3.0-beta.11',
+  version: '1.3.0-beta.12',
   documentation: null
 });
 
diff --git a/packages/ddp-server/package.js b/packages/ddp-server/package.js
index df9ff5d9a1..029bcf2baa 100644
--- a/packages/ddp-server/package.js
+++ b/packages/ddp-server/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Meteor's latency-compensated distributed data server",
-  version: '1.3.9-beta.11',
+  version: '1.3.9-beta.12',
   documentation: null
 });
 
diff --git a/packages/ecmascript-runtime/package.js b/packages/ecmascript-runtime/package.js
index 81ce7ee88f..8532892afc 100644
--- a/packages/ecmascript-runtime/package.js
+++ b/packages/ecmascript-runtime/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   name: "ecmascript-runtime",
-  version: "0.3.12-beta.11",
+  version: "0.3.12-beta.12",
   summary: "Polyfills for new ECMAScript 2015 APIs like Map and Set",
   git: "https://github.com/meteor/ecmascript-runtime",
   documentation: "README.md"
diff --git a/packages/ecmascript/package.js b/packages/ecmascript/package.js
index f2d881bab9..2b56943b4f 100644
--- a/packages/ecmascript/package.js
+++ b/packages/ecmascript/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   name: 'ecmascript',
-  version: '0.5.7-beta.11',
+  version: '0.5.7-beta.12',
   summary: 'Compiler plugin that supports ES2015+ in all .js files',
   documentation: 'README.md'
 });
diff --git a/packages/email/package.js b/packages/email/package.js
index 81a21cf451..179b639075 100644
--- a/packages/email/package.js
+++ b/packages/email/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Send email messages",
-  version: "1.1.16-beta.11"
+  version: "1.1.16-beta.12"
 });
 
 Npm.depends({
diff --git a/packages/es5-shim/package.js b/packages/es5-shim/package.js
index e5e24d82a5..7f1d07a5c4 100644
--- a/packages/es5-shim/package.js
+++ b/packages/es5-shim/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   name: "es5-shim",
-  version: "4.6.13-beta.11",
+  version: "4.6.13-beta.12",
   summary: "Shims and polyfills to improve ECMAScript 5 support",
   documentation: "README.md"
 });
diff --git a/packages/http/package.js b/packages/http/package.js
index ffc96f177f..01898ba7fa 100644
--- a/packages/http/package.js
+++ b/packages/http/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Make HTTP calls to remote servers",
-  version: '1.2.8-beta.11'
+  version: '1.2.8-beta.12'
 });
 
 Npm.depends({
diff --git a/packages/jshint/package.js b/packages/jshint/package.js
index 23e5e4952b..9d58a7ea3a 100644
--- a/packages/jshint/package.js
+++ b/packages/jshint/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   name: 'jshint',
-  version: '1.1.5-beta.11',
+  version: '1.1.5-beta.12',
   summary: 'Lint all your JavaScript files with JSHint.',
   documentation: 'README.md'
 });
diff --git a/packages/less/package.js b/packages/less/package.js
index a95ce85468..04d3c69f7f 100644
--- a/packages/less/package.js
+++ b/packages/less/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   name: 'less',
-  version: '2.7.4-beta.11',
+  version: '2.7.4-beta.12',
   summary: 'Leaner CSS language',
   documentation: 'README.md'
 });
diff --git a/packages/logging/package.js b/packages/logging/package.js
index 1a6f5f9479..ae9baf5aa7 100644
--- a/packages/logging/package.js
+++ b/packages/logging/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Logging facility.",
-  version: '1.1.14-beta.11'
+  version: '1.1.14-beta.12'
 });
 
 Npm.depends({
diff --git a/packages/meteor-tool/package.js b/packages/meteor-tool/package.js
index 7daa8751e3..8fc5c80308 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-beta.11'
+  version: '1.4.0-beta.12'
 });
 
 Package.includeTool();
diff --git a/packages/meteor/package.js b/packages/meteor/package.js
index 81d4120ca9..b8b9ebe8a5 100644
--- a/packages/meteor/package.js
+++ b/packages/meteor/package.js
@@ -2,7 +2,7 @@
 
 Package.describe({
   summary: "Core Meteor environment",
-  version: '1.2.16-beta.11'
+  version: '1.2.16-beta.12'
 });
 
 Package.registerBuildPlugin({
diff --git a/packages/minifier-css/package.js b/packages/minifier-css/package.js
index a91c2a9f5d..5d6ee2ceaa 100644
--- a/packages/minifier-css/package.js
+++ b/packages/minifier-css/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "CSS minifier",
-  version: "1.2.13-beta.11"
+  version: "1.2.13-beta.12"
 });
 
 Npm.depends({
diff --git a/packages/minifier-js/package.js b/packages/minifier-js/package.js
index 821680355c..c4373a5985 100644
--- a/packages/minifier-js/package.js
+++ b/packages/minifier-js/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "JavaScript minifier",
-  version: "1.2.13-beta.11"
+  version: "1.2.13-beta.12"
 });
 
 Npm.depends({
diff --git a/packages/modules-runtime/package.js b/packages/modules-runtime/package.js
index 89dc416a6e..e95608b101 100644
--- a/packages/modules-runtime/package.js
+++ b/packages/modules-runtime/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   name: "modules-runtime",
-  version: "0.7.5-beta.11",
+  version: "0.7.5-beta.12",
   summary: "CommonJS module system",
   git: "https://github.com/benjamn/install",
   documentation: "README.md"
diff --git a/packages/modules/package.js b/packages/modules/package.js
index ad2d91309b..f1dfcc1f0b 100644
--- a/packages/modules/package.js
+++ b/packages/modules/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   name: "modules",
-  version: "0.7.5-beta.11",
+  version: "0.7.5-beta.12",
   summary: "CommonJS module system",
   documentation: "README.md"
 });
diff --git a/packages/mongo/package.js b/packages/mongo/package.js
index e0463a04e5..f85d913136 100644
--- a/packages/mongo/package.js
+++ b/packages/mongo/package.js
@@ -9,7 +9,7 @@
 
 Package.describe({
   summary: "Adaptor for using MongoDB and Minimongo over DDP",
-  version: '1.1.10-beta.11'
+  version: '1.1.10-beta.12'
 });
 
 Npm.depends({
diff --git a/packages/npm-mongo/package.js b/packages/npm-mongo/package.js
index b7f5422e51..43ede3aaff 100644
--- a/packages/npm-mongo/package.js
+++ b/packages/npm-mongo/package.js
@@ -3,7 +3,7 @@
 
 Package.describe({
   summary: "Wrapper around the mongo npm package",
-  version: '1.5.45-beta.11',
+  version: '1.5.45-beta.12',
   documentation: null
 });
 
diff --git a/packages/oauth-encryption/package.js b/packages/oauth-encryption/package.js
index 74c0fb952f..59d3b02b5e 100644
--- a/packages/oauth-encryption/package.js
+++ b/packages/oauth-encryption/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Encrypt account secrets stored in the database",
-  version: '1.1.13-beta.11'
+  version: '1.1.13-beta.12'
 });
 
 Package.onUse(function (api) {
diff --git a/packages/promise/package.js b/packages/promise/package.js
index 227a5fdd63..2bdc12c1cf 100644
--- a/packages/promise/package.js
+++ b/packages/promise/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   name: "promise",
-  version: "0.8.3-beta.11",
+  version: "0.8.3-beta.12",
   summary: "ECMAScript 2015 Promise polyfill with Fiber support",
   git: "https://github.com/meteor/promise",
   documentation: "README.md"
diff --git a/packages/standard-minifier-css/package.js b/packages/standard-minifier-css/package.js
index adcb65cc2e..84f6c6f7ae 100644
--- a/packages/standard-minifier-css/package.js
+++ b/packages/standard-minifier-css/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   name: 'standard-minifier-css',
-  version: '1.1.8-beta.11',
+  version: '1.1.8-beta.12',
   summary: 'Standard css minifier used with Meteor apps by default.',
   documentation: 'README.md'
 });
diff --git a/packages/standard-minifier-js/package.js b/packages/standard-minifier-js/package.js
index a2b5d5dd7f..c4659683f0 100644
--- a/packages/standard-minifier-js/package.js
+++ b/packages/standard-minifier-js/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   name: 'standard-minifier-js',
-  version: '1.1.8-beta.11',
+  version: '1.1.8-beta.12',
   summary: 'Standard javascript minifiers used with Meteor apps by default.',
   documentation: 'README.md'
 });
diff --git a/packages/static-html/package.js b/packages/static-html/package.js
index d38073eaa7..3ef8798ff7 100644
--- a/packages/static-html/package.js
+++ b/packages/static-html/package.js
@@ -1,5 +1,5 @@
 Package.describe({
-  version: '1.1.11-beta.11',
+  version: '1.1.11-beta.12',
   // Brief, one-line summary of the package.
   summary: 'Define static page content in .html files',
   git: 'https://github.com/meteor/meteor',
diff --git a/packages/stylus/package.js b/packages/stylus/package.js
index 9be3f4f6c0..986ef278f5 100644
--- a/packages/stylus/package.js
+++ b/packages/stylus/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: 'Expressive, dynamic, robust CSS',
-  version: "2.513.4-beta.11"
+  version: "2.513.4-beta.12"
 });
 
 Package.registerBuildPlugin({
diff --git a/packages/templating/package.js b/packages/templating/package.js
index daa707feef..57ecfccd83 100644
--- a/packages/templating/package.js
+++ b/packages/templating/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Allows templates to be defined in .html files",
-  version: '1.2.13-beta.11'
+  version: '1.2.13-beta.12'
 });
 
 // Today, this package is closely intertwined with Handlebars, meaning
diff --git a/packages/tracker/package.js b/packages/tracker/package.js
index 5f79e06a30..dd8befaa63 100644
--- a/packages/tracker/package.js
+++ b/packages/tracker/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Dependency tracker to allow reactive callbacks",
-  version: '1.0.14'
+  version: '1.1.0-beta.12'
 });
 
 Package.onUse(function (api) {
diff --git a/packages/twitter/package.js b/packages/twitter/package.js
index 7cffb1e925..686fe92a23 100644
--- a/packages/twitter/package.js
+++ b/packages/twitter/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Twitter OAuth flow",
-  version: '1.1.12-beta.11'
+  version: '1.1.12-beta.12'
 });
 
 Package.onUse(function(api) {
diff --git a/packages/webapp/package.js b/packages/webapp/package.js
index 796b9097d7..b8e5b374aa 100644
--- a/packages/webapp/package.js
+++ b/packages/webapp/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Serves a Meteor app over HTTP",
-  version: '1.3.10-beta.11'
+  version: '1.3.10-beta.12'
 });
 
 Npm.depends({connect: "2.30.2",
diff --git a/packages/xmlbuilder/package.js b/packages/xmlbuilder/package.js
index 781102d520..4dbb1b5c1d 100644
--- a/packages/xmlbuilder/package.js
+++ b/packages/xmlbuilder/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "An XML builder for node.js similar to java-xmlbuilder.",
-  version: '2.5.13-beta.11'
+  version: '2.5.13-beta.12'
 });
 
 Npm.depends({
diff --git a/scripts/admin/meteor-release-experimental.json b/scripts/admin/meteor-release-experimental.json
index 2ab147cdb0..fab0d43e86 100644
--- a/scripts/admin/meteor-release-experimental.json
+++ b/scripts/admin/meteor-release-experimental.json
@@ -1,6 +1,6 @@
 {
  "track": "METEOR",
- "version": "1.4-beta.11",
+ "version": "1.4-beta.12",
  "recommended": false,
  "official": false,
  "description": "Meteor"