diff --git a/packages/accounts-base/package.js b/packages/accounts-base/package.js
index e98721cc9f..ea2b17253f 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: "1.1.3-ipc.0"
+  version: "1.1.3-rc.1"
 });
 
 Package.onUse(function (api) {
diff --git a/packages/accounts-facebook/package.js b/packages/accounts-facebook/package.js
index 6c4708460b..93615339c8 100644
--- a/packages/accounts-facebook/package.js
+++ b/packages/accounts-facebook/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Login service for Facebook accounts",
-  version: "1.0.3-ipc.0"
+  version: "1.0.3-rc.1"
 });
 
 Package.onUse(function(api) {
diff --git a/packages/accounts-github/package.js b/packages/accounts-github/package.js
index 9476fd926d..f0a9086fed 100644
--- a/packages/accounts-github/package.js
+++ b/packages/accounts-github/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Login service for Github accounts",
-  version: "1.0.3-ipc.0"
+  version: "1.0.3-rc.1"
 });
 
 Package.onUse(function(api) {
diff --git a/packages/accounts-google/package.js b/packages/accounts-google/package.js
index 1a993285f9..2b1d600d4d 100644
--- a/packages/accounts-google/package.js
+++ b/packages/accounts-google/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Login service for Google accounts",
-  version: "1.0.3-ipc.0"
+  version: "1.0.3-rc.1"
 });
 
 Package.onUse(function(api) {
diff --git a/packages/accounts-meetup/package.js b/packages/accounts-meetup/package.js
index eff83f5787..178810bce3 100644
--- a/packages/accounts-meetup/package.js
+++ b/packages/accounts-meetup/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Login service for Meetup accounts",
-  version: "1.0.3-ipc.0"
+  version: "1.0.3-rc.1"
 });
 
 Package.onUse(function(api) {
diff --git a/packages/accounts-meteor-developer/package.js b/packages/accounts-meteor-developer/package.js
index 72b60478ab..dc081468dd 100644
--- a/packages/accounts-meteor-developer/package.js
+++ b/packages/accounts-meteor-developer/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Login service for Meteor developer accounts",
-  version: "1.0.3-ipc.0"
+  version: "1.0.3-rc.1"
 });
 
 Package.onUse(function (api) {
diff --git a/packages/accounts-oauth/package.js b/packages/accounts-oauth/package.js
index 9ab11ffea6..dd90b2ee8d 100644
--- a/packages/accounts-oauth/package.js
+++ b/packages/accounts-oauth/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Common code for OAuth-based login services",
-  version: "1.1.3-ipc.0"
+  version: "1.1.3-rc.1"
 });
 
 Package.onUse(function (api) {
diff --git a/packages/accounts-password/package.js b/packages/accounts-password/package.js
index 2eb6c197e9..3ac56dab61 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: "1.0.5-ipc.0"
+  version: "1.0.5-rc.1"
 });
 
 Package.onUse(function(api) {
diff --git a/packages/accounts-twitter/package.js b/packages/accounts-twitter/package.js
index 50e8c2d8f3..2fdda22989 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: "1.0.3-ipc.0"
+  version: "1.0.3-rc.1"
 });
 
 Package.onUse(function(api) {
diff --git a/packages/accounts-ui-unstyled/package.js b/packages/accounts-ui-unstyled/package.js
index b43ebaf431..7cf2c6d5e1 100644
--- a/packages/accounts-ui-unstyled/package.js
+++ b/packages/accounts-ui-unstyled/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Unstyled version of login widgets",
-  version: "1.1.5-ipc.1"
+  version: "1.1.5-rc.1"
 });
 
 Package.onUse(function (api) {
diff --git a/packages/accounts-ui/package.js b/packages/accounts-ui/package.js
index d80b468ca4..e521de834f 100644
--- a/packages/accounts-ui/package.js
+++ b/packages/accounts-ui/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Simple templates to add login widgets to an app",
-  version: "1.1.4-ipc.0"
+  version: "1.1.4-rc.1"
 });
 
 Package.onUse(function (api) {
diff --git a/packages/accounts-weibo/package.js b/packages/accounts-weibo/package.js
index 85443f5839..b6fcf77a9e 100644
--- a/packages/accounts-weibo/package.js
+++ b/packages/accounts-weibo/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Login service for Sina Weibo accounts",
-  version: "1.0.3-ipc.0"
+  version: "1.0.3-rc.1"
 });
 
 Package.onUse(function(api) {
diff --git a/packages/appcache/package.js b/packages/appcache/package.js
index 7066ef4058..4209624739 100644
--- a/packages/appcache/package.js
+++ b/packages/appcache/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Enable the application cache in the browser",
-  version: "1.0.3-ipc.0"
+  version: "1.0.3-rc.1"
 });
 
 Package.onUse(function (api) {
diff --git a/packages/application-configuration/package.js b/packages/application-configuration/package.js
index 5ffaaa10dc..8bfc8579b3 100644
--- a/packages/application-configuration/package.js
+++ b/packages/application-configuration/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Interaction with the configuration sources for your apps",
-  version: '1.0.4-ipc.0'
+  version: '1.0.4-rc.1'
 });
 
 Package.onUse(function (api) {
diff --git a/packages/audit-argument-checks/package.js b/packages/audit-argument-checks/package.js
index 0ec2fae86d..802bf8ed1f 100644
--- a/packages/audit-argument-checks/package.js
+++ b/packages/audit-argument-checks/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Try to detect inadequate input sanitization",
-  version: '1.0.2-ipc.0'
+  version: '1.0.2-rc.1'
 });
 
 // This package is empty; its presence is detected by livedata.
diff --git a/packages/autopublish/package.js b/packages/autopublish/package.js
index b463c867a8..009d79aabe 100644
--- a/packages/autopublish/package.js
+++ b/packages/autopublish/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Publish the entire database to all clients",
-  version: '1.0.2-ipc.0'
+  version: '1.0.2-rc.1'
 });
 
 // This package is empty; its presence is detected by livedata and
diff --git a/packages/autoupdate/package.js b/packages/autoupdate/package.js
index ded6376e52..5a390dc23b 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: '1.1.4-ipc.0'
+  version: '1.1.4-rc.1'
 });
 
 Cordova.depends({
diff --git a/packages/base64/package.js b/packages/base64/package.js
index 2698821a20..ade0ed050d 100644
--- a/packages/base64/package.js
+++ b/packages/base64/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Base64 encoding and decoding",
-  version: '1.0.2-ipc.0'
+  version: '1.0.2-rc.1'
 });
 
 Package.onUse(function (api) {
diff --git a/packages/binary-heap/package.js b/packages/binary-heap/package.js
index 67eed76830..c535cf2a71 100644
--- a/packages/binary-heap/package.js
+++ b/packages/binary-heap/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Binary Heap datastructure implementation",
-  version: '1.0.2-ipc.0'
+  version: '1.0.2-rc.1'
 });
 
 Package.onUse(function (api) {
diff --git a/packages/blaze-tools/package.js b/packages/blaze-tools/package.js
index d64dfb3380..23ecea137d 100644
--- a/packages/blaze-tools/package.js
+++ b/packages/blaze-tools/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Compile-time tools for Blaze",
-  version: '1.0.2-ipc.0'
+  version: '1.0.2-rc.1'
 });
 
 Package.onUse(function (api) {
diff --git a/packages/blaze/package.js b/packages/blaze/package.js
index 96704cce1f..b520b17397 100644
--- a/packages/blaze/package.js
+++ b/packages/blaze/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Meteor Reactive Templating library",
-  version: '2.0.4-ipc.1'
+  version: '2.0.4-rc.1'
 });
 
 Package.onUse(function (api) {
diff --git a/packages/boilerplate-generator/package.js b/packages/boilerplate-generator/package.js
index b2e0f00632..dfcc2ea56b 100644
--- a/packages/boilerplate-generator/package.js
+++ b/packages/boilerplate-generator/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Generates the boilerplate html from program's manifest",
-  version: '1.0.2-ipc.0'
+  version: '1.0.2-rc.1'
 });
 
 Package.onUse(function (api) {
diff --git a/packages/browser-policy-common/package.js b/packages/browser-policy-common/package.js
index bf434849f5..66294f98f1 100644
--- a/packages/browser-policy-common/package.js
+++ b/packages/browser-policy-common/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Common code for browser-policy packages",
-  version: "1.0.2-ipc.0"
+  version: "1.0.2-rc.1"
 });
 
 Package.onUse(function (api) {
diff --git a/packages/browser-policy-content/package.js b/packages/browser-policy-content/package.js
index 15cde27ad0..195fbbc1ce 100644
--- a/packages/browser-policy-content/package.js
+++ b/packages/browser-policy-content/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Configure content security policies",
-  version: "1.0.3-ipc.0"
+  version: "1.0.3-rc.1"
 });
 
 Package.onUse(function (api) {
diff --git a/packages/browser-policy-framing/package.js b/packages/browser-policy-framing/package.js
index 0d40a9bc3a..816d45f52f 100644
--- a/packages/browser-policy-framing/package.js
+++ b/packages/browser-policy-framing/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Restrict which websites can frame your app",
-  version: "1.0.3-ipc.0"
+  version: "1.0.3-rc.1"
 });
 
 Package.onUse(function (api) {
diff --git a/packages/browser-policy/package.js b/packages/browser-policy/package.js
index adec2ea3f0..f7bfb7bda9 100644
--- a/packages/browser-policy/package.js
+++ b/packages/browser-policy/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Configure security policies enforced by the browser",
-  version: "1.0.3-ipc.0"
+  version: "1.0.3-rc.1"
 });
 
 Package.onUse(function (api) {
diff --git a/packages/callback-hook/package.js b/packages/callback-hook/package.js
index 09ac1f0050..3d9d33863e 100644
--- a/packages/callback-hook/package.js
+++ b/packages/callback-hook/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Register callbacks on a hook",
-  version: '1.0.2-ipc.0'
+  version: '1.0.2-rc.1'
 });
 
 Package.onUse(function (api) {
diff --git a/packages/check/package.js b/packages/check/package.js
index 90c0598afc..f79767edef 100644
--- a/packages/check/package.js
+++ b/packages/check/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Check whether a value matches a pattern",
-  version: '1.0.3-ipc.1'
+  version: '1.0.3-rc.1'
 });
 
 Package.onUse(function (api) {
diff --git a/packages/code-prettify/package.js b/packages/code-prettify/package.js
index 267dd727ef..2aa4f0f2e1 100644
--- a/packages/code-prettify/package.js
+++ b/packages/code-prettify/package.js
@@ -8,7 +8,7 @@ var path = Npm.require('path');
 
 Package.describe({
   summary: "Syntax highlighting of code, from Google",
-  version: "1.0.2-ipc.0"
+  version: "1.0.2-rc.1"
 });
 
 // XXX this code dumps symbols into the global namespace (directly
diff --git a/packages/coffeescript-test-helper/package.js b/packages/coffeescript-test-helper/package.js
index 2390e75e2d..07e6892bd6 100644
--- a/packages/coffeescript-test-helper/package.js
+++ b/packages/coffeescript-test-helper/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Used by the coffeescript package's tests",
-  version: "1.0.2-ipc.0"
+  version: "1.0.2-rc.1"
 });
 
 Package.onUse(function (api) {
diff --git a/packages/coffeescript/package.js b/packages/coffeescript/package.js
index 7ac7355f0a..c4a92ad48c 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: "1.0.5-ipc.0"
+  version: "1.0.5-rc.1"
 });
 
 Package.registerBuildPlugin({
diff --git a/packages/constraint-solver/package.js b/packages/constraint-solver/package.js
index ecb2031fc7..c1e8b2768e 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: "1.0.16-ipc.2"
+  version: "1.0.16-rc.1"
 });
 
 Npm.depends({
diff --git a/packages/ctl-helper/package.js b/packages/ctl-helper/package.js
index 9dc45fe17f..9b8fb43a5b 100644
--- a/packages/ctl-helper/package.js
+++ b/packages/ctl-helper/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Helpers for control programs",
-  version: "1.0.5-ipc.0"
+  version: "1.0.5-rc.1"
 });
 
 Npm.depends({optimist: '0.6.0'});
diff --git a/packages/ctl/package.js b/packages/ctl/package.js
index 2eac87f9b1..9452c24899 100644
--- a/packages/ctl/package.js
+++ b/packages/ctl/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Default control program for an application",
-  version: "1.0.3-ipc.0"
+  version: "1.0.3-rc.1"
 });
 
 Package.onUse(function (api) {
diff --git a/packages/ddp/package.js b/packages/ddp/package.js
index 23bd6c93fc..98d4a2ca7c 100644
--- a/packages/ddp/package.js
+++ b/packages/ddp/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Meteor's latency-compensated distributed data framework",
-  version: '1.0.13-ipc.0'
+  version: '1.0.13-rc.1'
 });
 
 // We use 'faye-websocket' for connections in server-to-server DDP, mostly
diff --git a/packages/deps/package.js b/packages/deps/package.js
index e857dab622..0ec755bfaf 100644
--- a/packages/deps/package.js
+++ b/packages/deps/package.js
@@ -2,7 +2,7 @@
 
 Package.describe({
   summary: "Deprecated: Use the 'tracker' package instead.",
-  version: '1.0.6-ipc.0'
+  version: '1.0.6-rc.1'
 });
 
 Package.onUse(function (api) {
diff --git a/packages/dev-bundle-fetcher/package.js b/packages/dev-bundle-fetcher/package.js
index ef54633649..f4b0bcc8e4 100644
--- a/packages/dev-bundle-fetcher/package.js
+++ b/packages/dev-bundle-fetcher/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "A shell script for downloading the Meteor dev bundle",
-  version: "1.0.2-ipc.0"
+  version: "1.0.2-rc.1"
 });
 
 Package.onUse(function (api) {
diff --git a/packages/disable-oplog/package.js b/packages/disable-oplog/package.js
index 3efbeaa778..6714c56060 100644
--- a/packages/disable-oplog/package.js
+++ b/packages/disable-oplog/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Disables oplog tailing",
-  version: '1.0.2-ipc.0'
+  version: '1.0.2-rc.1'
 });
 
 // This package is empty; its presence is detected by mongo-livedata.
diff --git a/packages/ejson/package.js b/packages/ejson/package.js
index 30aa6a933f..e0886eeae7 100644
--- a/packages/ejson/package.js
+++ b/packages/ejson/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Extended and Extensible JSON library",
-  version: '1.0.5-ipc.0'
+  version: '1.0.5-rc.1'
 });
 
 Package.onUse(function (api) {
diff --git a/packages/email/package.js b/packages/email/package.js
index 0294fa91ef..02593ddc9e 100644
--- a/packages/email/package.js
+++ b/packages/email/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Send email messages",
-  version: "1.0.5-ipc.0"
+  version: "1.0.5-rc.1"
 });
 
 Npm.depends({
diff --git a/packages/facebook/package.js b/packages/facebook/package.js
index 514d7d631c..7f4d65fb9b 100644
--- a/packages/facebook/package.js
+++ b/packages/facebook/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Facebook OAuth flow",
-  version: "1.1.3-ipc.0"
+  version: "1.1.3-rc.1"
 });
 
 Package.onUse(function(api) {
diff --git a/packages/facts/package.js b/packages/facts/package.js
index 3f49191b8a..f4cea1900d 100644
--- a/packages/facts/package.js
+++ b/packages/facts/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Publish internal app statistics",
-  version: '1.0.3-ipc.0'
+  version: '1.0.3-rc.1'
 });
 
 Package.onUse(function (api) {
diff --git a/packages/fastclick/package.js b/packages/fastclick/package.js
index 8677f23791..a7ab3f5009 100644
--- a/packages/fastclick/package.js
+++ b/packages/fastclick/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Faster touch events on mobile",
-  version: '1.0.2-ipc.0'
+  version: '1.0.2-rc.1'
 });
 
 Package.onUse(function (api) {
diff --git a/packages/follower-livedata/package.js b/packages/follower-livedata/package.js
index 7d0d39e3d1..8a07fda896 100644
--- a/packages/follower-livedata/package.js
+++ b/packages/follower-livedata/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Maintain a connection to the leader of an election set",
-  version: '1.0.3-ipc.0'
+  version: '1.0.3-rc.1'
 });
 
 Package.onUse(function (api) {
diff --git a/packages/force-ssl/package.js b/packages/force-ssl/package.js
index 3a52469d2d..9b1f0d2537 100644
--- a/packages/force-ssl/package.js
+++ b/packages/force-ssl/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Require this application to use HTTPS",
-  version: "1.0.3-ipc.0"
+  version: "1.0.3-rc.1"
 });
 
 Package.onUse(function (api) {
diff --git a/packages/geojson-utils/package.js b/packages/geojson-utils/package.js
index ef21f3e6eb..80ac0cd995 100644
--- a/packages/geojson-utils/package.js
+++ b/packages/geojson-utils/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: 'GeoJSON utility functions (from https://github.com/maxogden/geojson-js-utils)',
-  version: '1.0.2-ipc.0'
+  version: '1.0.2-rc.1'
 });
 
 Package.onUse(function (api) {
diff --git a/packages/github/package.js b/packages/github/package.js
index ec073014f5..584ab5665e 100644
--- a/packages/github/package.js
+++ b/packages/github/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Github OAuth flow",
-  version: "1.1.2-ipc.0"
+  version: "1.1.2-rc.1"
 });
 
 Package.onUse(function(api) {
diff --git a/packages/google/package.js b/packages/google/package.js
index f3d28e6daa..80ec0838bf 100644
--- a/packages/google/package.js
+++ b/packages/google/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Google OAuth flow",
-  version: "1.1.3-ipc.0"
+  version: "1.1.3-rc.1"
 });
 
 Package.onUse(function(api) {
diff --git a/packages/handlebars/package.js b/packages/handlebars/package.js
index b80aa30317..62ac88a913 100644
--- a/packages/handlebars/package.js
+++ b/packages/handlebars/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Deprecated",
-  version: '1.0.2-ipc.0'
+  version: '1.0.2-rc.1'
 });
 
 Package.onUse(function (api) {
diff --git a/packages/html-tools/package.js b/packages/html-tools/package.js
index c1b6459c38..23ace8dcd8 100644
--- a/packages/html-tools/package.js
+++ b/packages/html-tools/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Standards-compliant HTML tools",
-  version: '1.0.3-ipc.0'
+  version: '1.0.3-rc.1'
 });
 
 Package.onUse(function (api) {
diff --git a/packages/htmljs/package.js b/packages/htmljs/package.js
index 64addcbec5..f8b0e9f46b 100644
--- a/packages/htmljs/package.js
+++ b/packages/htmljs/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Small library for expressing HTML trees",
-  version: '1.0.3-ipc.0'
+  version: '1.0.3-rc.1'
 });
 
 Package.onUse(function (api) {
diff --git a/packages/http/package.js b/packages/http/package.js
index cd144da4b0..4c44dd1a9b 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: '1.0.9-ipc.0'
+  version: '1.0.9-rc.1'
 });
 
 Npm.depends({request: "2.47.0"});
diff --git a/packages/id-map/package.js b/packages/id-map/package.js
index 66381b061f..8c95abda1c 100644
--- a/packages/id-map/package.js
+++ b/packages/id-map/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Dictionary data structure allowing non-string keys",
-  version: '1.0.2-ipc.0'
+  version: '1.0.2-rc.1'
 });
 
 Package.onUse(function (api) {
diff --git a/packages/insecure/package.js b/packages/insecure/package.js
index 751a24b5e9..231180819f 100644
--- a/packages/insecure/package.js
+++ b/packages/insecure/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Allow all database writes by default",
-  version: '1.0.2-ipc.0'
+  version: '1.0.2-rc.1'
 });
 
 // This package is empty; its presence is detected by mongo-livedata.
diff --git a/packages/jquery-waypoints/package.js b/packages/jquery-waypoints/package.js
index a858f50d28..d9bb6e9b6f 100644
--- a/packages/jquery-waypoints/package.js
+++ b/packages/jquery-waypoints/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Run a function when the user scrolls past an element",
-  version: "1.0.2-ipc.0"
+  version: "1.0.2-rc.1"
 });
 
 Package.onUse(function (api) {
diff --git a/packages/jquery/package.js b/packages/jquery/package.js
index b24fb8a3e6..cf0b451f58 100644
--- a/packages/jquery/package.js
+++ b/packages/jquery/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Manipulate the DOM using CSS selectors",
-  version: '1.0.2-ipc.0'
+  version: '1.0.2-rc.1'
 });
 
 Package.onUse(function (api) {
diff --git a/packages/js-analyze-tests/package.js b/packages/js-analyze-tests/package.js
index b8c424922e..b992a16a70 100644
--- a/packages/js-analyze-tests/package.js
+++ b/packages/js-analyze-tests/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Tests for JavaScript code analysis for Meteor",
-  version: "1.0.2-ipc.0"
+  version: "1.0.2-rc.1"
 });
 
 // The tests are in a separate package so that it is possible to compile
diff --git a/packages/js-analyze/package.js b/packages/js-analyze/package.js
index a9176d1fc0..66e71bad43 100644
--- a/packages/js-analyze/package.js
+++ b/packages/js-analyze/package.js
@@ -4,7 +4,7 @@
 
 Package.describe({
   summary: "JavaScript code analysis for Meteor",
-  version: '1.0.4-ipc.0'
+  version: '1.0.4-rc.1'
 });
 
 // Use some packages from the Esprima project.  If it turns out we need these on
diff --git a/packages/json/package.js b/packages/json/package.js
index 57d1048e88..05814a7f2a 100644
--- a/packages/json/package.js
+++ b/packages/json/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Provides JSON.stringify and JSON.parse for older browsers",
-  version: '1.0.2-ipc.0'
+  version: '1.0.2-rc.1'
 });
 
 // We need to figure out how to serve this file only to browsers that don't have
diff --git a/packages/jsparse/package.js b/packages/jsparse/package.js
index eb53a6d656..f7046ad117 100644
--- a/packages/jsparse/package.js
+++ b/packages/jsparse/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Full-featured JavaScript parser",
-  version: "1.0.2-ipc.0"
+  version: "1.0.2-rc.1"
 });
 
 Package.onUse(function (api) {
diff --git a/packages/launch-screen/package.js b/packages/launch-screen/package.js
index b11f4514f9..83d5c7ab7f 100644
--- a/packages/launch-screen/package.js
+++ b/packages/launch-screen/package.js
@@ -6,7 +6,7 @@ Package.describe({
   // between such packages and the build tool.
   name: 'launch-screen',
   summary: 'Default and customizable launch screen on mobile.',
-  version: '1.0.1-ipc.0'
+  version: '1.0.1-rc.1'
 });
 
 Cordova.depends({
diff --git a/packages/less/package.js b/packages/less/package.js
index 287a4ae223..72922f5f24 100644
--- a/packages/less/package.js
+++ b/packages/less/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "The dynamic stylesheet language",
-  version: "1.0.12-ipc.0"
+  version: "1.0.12-rc.1"
 });
 
 Package.registerBuildPlugin({
diff --git a/packages/livedata/package.js b/packages/livedata/package.js
index 96ad8bf8cd..4813aa3022 100644
--- a/packages/livedata/package.js
+++ b/packages/livedata/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Moved to the 'ddp' package",
-  version: '1.0.12-ipc.0'
+  version: '1.0.12-rc.1'
 });
 
 Package.onUse(function (api) {
diff --git a/packages/localstorage/package.js b/packages/localstorage/package.js
index 2f59edaa95..b9ef0be798 100644
--- a/packages/localstorage/package.js
+++ b/packages/localstorage/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Simulates local storage on IE 6,7 using userData",
-  version: "1.0.2-ipc.0"
+  version: "1.0.2-rc.1"
 });
 
 Package.onUse(function (api) {
diff --git a/packages/logging/package.js b/packages/logging/package.js
index d8b376778e..49f823d9a9 100644
--- a/packages/logging/package.js
+++ b/packages/logging/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Logging facility.",
-  version: '1.0.6-ipc.0'
+  version: '1.0.6-rc.1'
 });
 
 Npm.depends({
diff --git a/packages/markdown/package.js b/packages/markdown/package.js
index 183c4d9248..eec4674e17 100644
--- a/packages/markdown/package.js
+++ b/packages/markdown/package.js
@@ -2,7 +2,7 @@
 
 Package.describe({
   summary: "Markdown-to-HTML processor",
-  version: "1.0.3-ipc.0"
+  version: "1.0.3-rc.1"
 });
 
 Package.onUse(function (api) {
diff --git a/packages/meetup/package.js b/packages/meetup/package.js
index be2f3e2848..ca517d6d3d 100644
--- a/packages/meetup/package.js
+++ b/packages/meetup/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Meetup OAuth flow",
-  version: "1.1.2-ipc.0"
+  version: "1.1.2-rc.1"
 });
 
 Package.onUse(function(api) {
diff --git a/packages/meteor-developer/package.js b/packages/meteor-developer/package.js
index 12c03c730b..11c2a014bc 100644
--- a/packages/meteor-developer/package.js
+++ b/packages/meteor-developer/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Meteor developer accounts OAuth flow",
-  version: "1.1.2-ipc.0"
+  version: "1.1.2-rc.1"
 });
 
 Package.onUse(function (api) {
diff --git a/packages/meteor-platform/package.js b/packages/meteor-platform/package.js
index 653e69fa2a..962642c01d 100644
--- a/packages/meteor-platform/package.js
+++ b/packages/meteor-platform/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Include a standard set of Meteor packages in your app",
-  version: '1.2.1-ipc.0'
+  version: '1.2.1-rc.1'
 });
 
 Package.onUse(function(api) {
diff --git a/packages/meteor-tool/package.js b/packages/meteor-tool/package.js
index bec4a36e53..b35bddc911 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: '1.0.37-ipc.0'
+  version: '1.0.37-rc.1'
 });
 
 Package.includeTool();
diff --git a/packages/meteor/package.js b/packages/meteor/package.js
index 3f69ffddb6..04f542f596 100644
--- a/packages/meteor/package.js
+++ b/packages/meteor/package.js
@@ -2,7 +2,7 @@
 
 Package.describe({
   summary: "Core Meteor environment",
-  version: '1.1.4-ipc.0'
+  version: '1.1.4-rc.1'
 });
 
 Package.registerBuildPlugin({
diff --git a/packages/meyerweb-reset/package.js b/packages/meyerweb-reset/package.js
index 11800857bd..e14b4fa1dc 100644
--- a/packages/meyerweb-reset/package.js
+++ b/packages/meyerweb-reset/package.js
@@ -3,7 +3,7 @@
 // encourage this pattern. Maybe another solution would be better.
 Package.describe({
   summary: "reset.css v2.0 from http://meyerweb.com/eric/tools/css/reset/",
-  version: "1.0.2-ipc.0"
+  version: "1.0.2-rc.1"
 });
 
 Package.onUse(function (api) {
diff --git a/packages/minifiers/package.js b/packages/minifiers/package.js
index 148a92d51a..1515f7bb78 100644
--- a/packages/minifiers/package.js
+++ b/packages/minifiers/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "JavaScript and CSS minifiers",
-  version: "1.1.3-ipc.0"
+  version: "1.1.3-rc.1"
 });
 
 Npm.depends({
diff --git a/packages/minimongo/package.js b/packages/minimongo/package.js
index 09a45d5de8..31210e8f12 100644
--- a/packages/minimongo/package.js
+++ b/packages/minimongo/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Meteor's client-side datastore: a port of MongoDB to Javascript",
-  version: '1.0.6-ipc.1'
+  version: '1.0.6-rc.1'
 });
 
 Package.onUse(function (api) {
diff --git a/packages/mobile-status-bar/package.js b/packages/mobile-status-bar/package.js
index 6f858db69d..e8187fd42a 100644
--- a/packages/mobile-status-bar/package.js
+++ b/packages/mobile-status-bar/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Good defaults for the mobile status bar",
-  version: "1.0.2-ipc.0"
+  version: "1.0.2-rc.1"
 });
 
 Package.onUse(function(api) {
diff --git a/packages/mongo-livedata/package.js b/packages/mongo-livedata/package.js
index 41c151dd54..6a83b3c63f 100644
--- a/packages/mongo-livedata/package.js
+++ b/packages/mongo-livedata/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Moved to the 'mongo' package",
-  version: '1.0.7-ipc.0'
+  version: '1.0.7-rc.1'
 });
 
 Package.onUse(function (api) {
diff --git a/packages/mongo/package.js b/packages/mongo/package.js
index 7d720c31a6..01d88b3e59 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: '1.0.10-ipc.0'
+  version: '1.0.10-rc.1'
 });
 
 Npm.depends({
diff --git a/packages/oauth-encryption/package.js b/packages/oauth-encryption/package.js
index 6b4a805109..5d6f112bf4 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: '1.0.2-ipc.0'
+  version: '1.0.2-rc.1'
 });
 
 Package.onUse(function (api) {
diff --git a/packages/oauth/package.js b/packages/oauth/package.js
index 1f994b9dd1..2bad38d8e9 100644
--- a/packages/oauth/package.js
+++ b/packages/oauth/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Common code for OAuth-based services",
-  version: "1.1.3-ipc.0"
+  version: "1.1.3-rc.1"
 });
 
 Package.onUse(function (api) {
diff --git a/packages/oauth1/package.js b/packages/oauth1/package.js
index 703a2fc8f9..62072870f1 100644
--- a/packages/oauth1/package.js
+++ b/packages/oauth1/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Common code for OAuth1-based login services",
-  version: "1.1.3-ipc.0"
+  version: "1.1.3-rc.1"
 });
 
 Package.onUse(function (api) {
diff --git a/packages/oauth2/package.js b/packages/oauth2/package.js
index 5f480aa260..f967f293de 100644
--- a/packages/oauth2/package.js
+++ b/packages/oauth2/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Common code for OAuth2-based login services",
-  version: "1.1.2-ipc.0"
+  version: "1.1.2-rc.1"
 });
 
 Package.onUse(function (api) {
diff --git a/packages/observe-sequence/package.js b/packages/observe-sequence/package.js
index ab1794ebb4..e973bf6980 100644
--- a/packages/observe-sequence/package.js
+++ b/packages/observe-sequence/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Observe changes to various sequence types such as arrays, cursors and objects",
-  version: "1.0.4-ipc.0"
+  version: "1.0.4-rc.1"
 });
 
 Package.onUse(function (api) {
diff --git a/packages/ordered-dict/package.js b/packages/ordered-dict/package.js
index b3a7ee5d73..d0d7cfaf83 100644
--- a/packages/ordered-dict/package.js
+++ b/packages/ordered-dict/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Ordered traversable dictionary with a mutable ordering",
-  version: '1.0.2-ipc.0'
+  version: '1.0.2-rc.1'
 });
 
 Package.onUse(function (api) {
diff --git a/packages/package-stats-opt-out/package.js b/packages/package-stats-opt-out/package.js
index c24813df66..05b45fb40d 100644
--- a/packages/package-stats-opt-out/package.js
+++ b/packages/package-stats-opt-out/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Opt out of sending package stats",
-  version: '1.0.2-ipc.0'
+  version: '1.0.2-rc.1'
 });
 
 Package.onUse(function (api) {
diff --git a/packages/package-version-parser/package.js b/packages/package-version-parser/package.js
index eb7c2941bf..0ba5c2d48e 100644
--- a/packages/package-version-parser/package.js
+++ b/packages/package-version-parser/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Parses Meteor Smart Package version string",
-  version: "2.0.3-ipc.1"
+  version: "2.0.3-rc.1"
 });
 
 Npm.depends({
diff --git a/packages/preserve-inputs/package.js b/packages/preserve-inputs/package.js
index e24a5a9579..0ce98575fc 100644
--- a/packages/preserve-inputs/package.js
+++ b/packages/preserve-inputs/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Deprecated package (now empty)",
-  version: "1.0.2-ipc.0"
+  version: "1.0.2-rc.1"
 });
 
 Package.onUse(function (api) {
diff --git a/packages/random/package.js b/packages/random/package.js
index 23112e604e..feb4cecf31 100644
--- a/packages/random/package.js
+++ b/packages/random/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Random number generator and utilities",
-  version: '1.0.2-ipc.0'
+  version: '1.0.2-rc.1'
 });
 
 Package.onUse(function (api) {
diff --git a/packages/reactive-dict/package.js b/packages/reactive-dict/package.js
index 9514bf7e71..7374494b62 100644
--- a/packages/reactive-dict/package.js
+++ b/packages/reactive-dict/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Reactive dictionary",
-  version: '1.0.5-ipc.0'
+  version: '1.0.5-rc.1'
 });
 
 Package.onUse(function (api) {
diff --git a/packages/reactive-var/package.js b/packages/reactive-var/package.js
index 3c442ffde4..a12f5de74c 100644
--- a/packages/reactive-var/package.js
+++ b/packages/reactive-var/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Reactive variable",
-  version: '1.0.4-ipc.0'
+  version: '1.0.4-rc.1'
 });
 
 Package.onUse(function (api) {
diff --git a/packages/reload-safetybelt/package.js b/packages/reload-safetybelt/package.js
index b556519f51..e129981a36 100644
--- a/packages/reload-safetybelt/package.js
+++ b/packages/reload-safetybelt/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Reload safety belt for multi-server deployments",
-  version: '1.0.2-ipc.0'
+  version: '1.0.2-rc.1'
 });
 
 Package.onUse(function (api) {
diff --git a/packages/reload/package.js b/packages/reload/package.js
index 1da87ded6b..57ca2bd11d 100644
--- a/packages/reload/package.js
+++ b/packages/reload/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Reload the page while preserving application state.",
-  version: '1.1.2-ipc.0'
+  version: '1.1.2-rc.1'
 });
 
 Package.onUse(function (api) {
diff --git a/packages/retry/package.js b/packages/retry/package.js
index dfa51e974c..781bc9d6b0 100644
--- a/packages/retry/package.js
+++ b/packages/retry/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Retry logic with exponential backoff",
-  version: '1.0.2-ipc.0'
+  version: '1.0.2-rc.1'
 });
 
 Package.onUse(function (api) {
diff --git a/packages/routepolicy/package.js b/packages/routepolicy/package.js
index e8e539c627..818c69be14 100644
--- a/packages/routepolicy/package.js
+++ b/packages/routepolicy/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "route policy declarations",
-  version: '1.0.3-ipc.0'
+  version: '1.0.3-rc.1'
 });
 
 Package.onUse(function (api) {
diff --git a/packages/service-configuration/package.js b/packages/service-configuration/package.js
index 29692806bf..2e688c23fd 100644
--- a/packages/service-configuration/package.js
+++ b/packages/service-configuration/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Manage the configuration for third-party services",
-  version: "1.0.3-ipc.0"
+  version: "1.0.3-rc.1"
 });
 
 Package.onUse(function(api) {
diff --git a/packages/session/package.js b/packages/session/package.js
index 3114fc2071..36a32b5dec 100644
--- a/packages/session/package.js
+++ b/packages/session/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Session variable",
-  version: '1.0.5-ipc.0'
+  version: '1.0.5-rc.1'
 });
 
 Package.onUse(function (api) {
diff --git a/packages/sha/package.js b/packages/sha/package.js
index 2b76239e80..918e32f815 100644
--- a/packages/sha/package.js
+++ b/packages/sha/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "SHA256 implementation",
-  version: "1.0.2-ipc.0"
+  version: "1.0.2-rc.1"
 });
 
 Package.onUse(function (api) {
diff --git a/packages/showdown/package.js b/packages/showdown/package.js
index f88fff71cd..86e9fafa58 100644
--- a/packages/showdown/package.js
+++ b/packages/showdown/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Moved to the 'markdown' package",
-  version: '1.0.3-ipc.0'
+  version: '1.0.3-rc.1'
 });
 
 Package.onUse(function (api) {
diff --git a/packages/spacebars-compiler/package.js b/packages/spacebars-compiler/package.js
index 78782e040e..da77ba5a0e 100644
--- a/packages/spacebars-compiler/package.js
+++ b/packages/spacebars-compiler/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Compiler for Spacebars template language",
-  version: '1.0.4-ipc.0'
+  version: '1.0.4-rc.1'
 });
 
 Package.onUse(function (api) {
diff --git a/packages/spacebars-tests/package.js b/packages/spacebars-tests/package.js
index 4b1cc66340..eb5063dead 100644
--- a/packages/spacebars-tests/package.js
+++ b/packages/spacebars-tests/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Additional tests for Spacebars",
-  version: '1.0.2-ipc.0'
+  version: '1.0.2-rc.1'
 });
 
 // These tests are in a separate package to avoid a circular dependency
diff --git a/packages/spacebars/package.js b/packages/spacebars/package.js
index a4fd7715d7..255ed5e96e 100644
--- a/packages/spacebars/package.js
+++ b/packages/spacebars/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Handlebars-like template language for Meteor",
-  version: '1.0.4-ipc.0'
+  version: '1.0.4-rc.1'
 });
 
 // For more, see package `spacebars-compiler`, which is used by
diff --git a/packages/spiderable/package.js b/packages/spiderable/package.js
index fa755e0b5a..214968c87c 100644
--- a/packages/spiderable/package.js
+++ b/packages/spiderable/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Makes the application crawlable to web spiders",
-  version: "1.0.6-ipc.0"
+  version: "1.0.6-rc.1"
 });
 
 Package.onUse(function (api) {
diff --git a/packages/srp/package.js b/packages/srp/package.js
index 32b462f654..cd7e8df7ab 100644
--- a/packages/srp/package.js
+++ b/packages/srp/package.js
@@ -5,7 +5,7 @@
 
 Package.describe({
   summary: "Library for Secure Remote Password (SRP) exchanges",
-  version: "1.0.2-ipc.0"
+  version: "1.0.2-rc.1"
 });
 
 Package.onUse(function (api) {
diff --git a/packages/standard-app-packages/package.js b/packages/standard-app-packages/package.js
index 7675fea507..5596a8dc14 100644
--- a/packages/standard-app-packages/package.js
+++ b/packages/standard-app-packages/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Moved to meteor-platform",
-  version: '1.0.4-ipc.0'
+  version: '1.0.4-rc.1'
 });
 
 Package.onUse(function (api) {
diff --git a/packages/star-translate/package.js b/packages/star-translate/package.js
index 4100f6b073..bc8cdbfcff 100644
--- a/packages/star-translate/package.js
+++ b/packages/star-translate/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "A package for translating old bundles into stars",
-  version: "1.0.5-ipc.0"
+  version: "1.0.5-rc.1"
 });
 
 Package.onUse(function (api) {
diff --git a/packages/startup/package.js b/packages/startup/package.js
index 5d63b90c73..da6aba428b 100644
--- a/packages/startup/package.js
+++ b/packages/startup/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Deprecated package (now empty)",
-  version: "1.0.2-ipc.0"
+  version: "1.0.2-rc.1"
 });
 
 Package.onUse(function (api) {
diff --git a/packages/stylus/package.js b/packages/stylus/package.js
index f0022de6c4..f092355129 100644
--- a/packages/stylus/package.js
+++ b/packages/stylus/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: 'Expressive, dynamic, robust CSS',
-  version: "1.0.6-ipc.0"
+  version: "1.0.6-rc.1"
 });
 
 Package.registerBuildPlugin({
diff --git a/packages/templating/package.js b/packages/templating/package.js
index ee4f9129af..ccb22e2521 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: '1.0.10-ipc.0'
+  version: '1.0.10-rc.1'
 });
 
 // Today, this package is closely intertwined with Handlebars, meaning
diff --git a/packages/test-helpers/package.js b/packages/test-helpers/package.js
index f0d709a142..6e3aef014f 100644
--- a/packages/test-helpers/package.js
+++ b/packages/test-helpers/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Utility functions for tests",
-  version: '1.0.3-ipc.0'
+  version: '1.0.3-rc.1'
 });
 
 Package.onUse(function (api) {
diff --git a/packages/test-in-browser/package.js b/packages/test-in-browser/package.js
index bdd8d74186..b5d637c1cd 100644
--- a/packages/test-in-browser/package.js
+++ b/packages/test-in-browser/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Run tests interactively in the browser",
-  version: '1.0.6-ipc.0'
+  version: '1.0.6-rc.1'
 });
 
 Package.onUse(function (api) {
diff --git a/packages/test-in-console/package.js b/packages/test-in-console/package.js
index 2c65d1bd7f..b2401f5827 100644
--- a/packages/test-in-console/package.js
+++ b/packages/test-in-console/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Run tests noninteractively, with results going to the console.",
-  version: '1.0.4-ipc.0'
+  version: '1.0.4-rc.1'
 });
 
 Package.onUse(function (api) {
diff --git a/packages/test-server-tests-in-console-once/package.js b/packages/test-server-tests-in-console-once/package.js
index 703116714f..e0da25f9c1 100644
--- a/packages/test-server-tests-in-console-once/package.js
+++ b/packages/test-server-tests-in-console-once/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Run server tests noninteractively, with results going to the console.",
-  version: '1.0.2-ipc.0'
+  version: '1.0.2-rc.1'
 });
 
 Package.onUse(function (api) {
diff --git a/packages/tinytest/package.js b/packages/tinytest/package.js
index 1d3d12df1f..06bf1a48e9 100644
--- a/packages/tinytest/package.js
+++ b/packages/tinytest/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Tiny testing framework",
-  version: '1.0.4-ipc.0'
+  version: '1.0.4-rc.1'
 });
 
 Package.onUse(function (api) {
diff --git a/packages/tracker/package.js b/packages/tracker/package.js
index bb6d69a84a..d19f67fd7e 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: '1.0.4-ipc.0'
+  version: '1.0.4-rc.1'
 });
 
 Package.onUse(function (api) {
diff --git a/packages/twitter/package.js b/packages/twitter/package.js
index 5d9d64752b..2839a3b0f9 100644
--- a/packages/twitter/package.js
+++ b/packages/twitter/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Twitter OAuth flow",
-  version: '1.1.3-ipc.0'
+  version: '1.1.3-rc.1'
 });
 
 Package.onUse(function(api) {
diff --git a/packages/ui/package.js b/packages/ui/package.js
index 34d963ace3..7e620f056e 100644
--- a/packages/ui/package.js
+++ b/packages/ui/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Deprecated: Use the 'blaze' package",
-  version: '1.0.5-ipc.0'
+  version: '1.0.5-rc.1'
 });
 
 Package.onUse(function (api) {
diff --git a/packages/underscore-tests/package.js b/packages/underscore-tests/package.js
index 576f2ceb30..1d6791d355 100644
--- a/packages/underscore-tests/package.js
+++ b/packages/underscore-tests/package.js
@@ -2,7 +2,7 @@ Package.describe({
   // These tests can't be directly in the underscore packages since
   // Tinytest depends on underscore
   summary: "Tests for the underscore package",
-  version: '1.0.2-ipc.0'
+  version: '1.0.2-rc.1'
 });
 
 Package.onTest(function (api) {
diff --git a/packages/underscore/package.js b/packages/underscore/package.js
index a550d23186..4138d221b8 100644
--- a/packages/underscore/package.js
+++ b/packages/underscore/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Collection of small helpers: _.map, _.each, ...",
-  version: '1.0.2-ipc.0'
+  version: '1.0.2-rc.1'
 });
 
 Package.onUse(function (api) {
diff --git a/packages/url/package.js b/packages/url/package.js
index afdc2e2d84..abdf6dba0a 100644
--- a/packages/url/package.js
+++ b/packages/url/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Utility code for constructing URLs",
-  version: "1.0.3-ipc.0"
+  version: "1.0.3-rc.1"
 });
 
 Package.onUse(function(api) {
diff --git a/packages/webapp-hashing/package.js b/packages/webapp-hashing/package.js
index 7e702d07d2..7cebcd0694 100644
--- a/packages/webapp-hashing/package.js
+++ b/packages/webapp-hashing/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Used internally by WebApp. Knows how to hash programs from manifests.",
-  version: "1.0.2-ipc.0"
+  version: "1.0.2-rc.1"
 });
 
 Package.onUse(function(api) {
diff --git a/packages/webapp/package.js b/packages/webapp/package.js
index 650bcfce0e..e65ade35f9 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: '1.1.5-ipc.1'
+  version: '1.1.5-rc.1'
 });
 
 Npm.depends({connect: "2.9.0",
diff --git a/packages/weibo/package.js b/packages/weibo/package.js
index 443485e054..a27093d6e1 100644
--- a/packages/weibo/package.js
+++ b/packages/weibo/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   summary: "Weibo OAuth flow",
-  version: '1.1.2-ipc.0'
+  version: '1.1.2-rc.1'
 });
 
 Package.onUse(function(api) {
diff --git a/packages/xmlbuilder/package.js b/packages/xmlbuilder/package.js
index e6b78a2d3f..5c5db8d77a 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: '2.4.5-ipc.0'
+  version: '2.4.5-rc.1'
 });
 
 Npm.depends({
diff --git a/scripts/admin/meteor-release-experimental.json b/scripts/admin/meteor-release-experimental.json
index 4e5e57b5bd..83615b7281 100644
--- a/scripts/admin/meteor-release-experimental.json
+++ b/scripts/admin/meteor-release-experimental.json
@@ -1,6 +1,6 @@
 {
  "track": "METEOR",
- "version": "1.0.2-test-spring",
+ "version": "1.0.2-rc.1",
  "recommended": false,
  "official": false,
  "description": "An RC of Meteor 1.0."