diff --git a/packages/ecmascript-runtime-client/package.js b/packages/ecmascript-runtime-client/package.js
index ff55208430..d70ddb9cce 100644
--- a/packages/ecmascript-runtime-client/package.js
+++ b/packages/ecmascript-runtime-client/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   name: "ecmascript-runtime-client",
-  version: "0.7.0",
+  version: "0.7.1",
   summary: "Polyfills for new ECMAScript 2015 APIs like Map and Set",
   git: "https://github.com/meteor/meteor/tree/devel/packages/ecmascript-runtime-client",
   documentation: "README.md"
diff --git a/packages/ecmascript-runtime-client/versions.js b/packages/ecmascript-runtime-client/versions.js
index 22fd092ba6..1bced38a73 100644
--- a/packages/ecmascript-runtime-client/versions.js
+++ b/packages/ecmascript-runtime-client/versions.js
@@ -9,7 +9,7 @@ setMinimumBrowserVersions({
   // (pre-Edge) from the modern classification. #9818 #9839
   ie: 12,
   firefox: 45,
-  mobile_safari: 10,
+  mobileSafari: 10,
   opera: 38,
   safari: 10,
   // Electron 1.6.0+ matches Chromium 55, per
diff --git a/packages/modern-browsers/modern.js b/packages/modern-browsers/modern.js
index 7b49293ca2..a051dbe096 100644
--- a/packages/modern-browsers/modern.js
+++ b/packages/modern-browsers/modern.js
@@ -17,6 +17,10 @@ const browserAliases = {
   // be classified as modern. This edge:["ie"] alias effectively enforces
   // that logic, because there is no IE12. #9818 #9839
   edge: ["ie"],
+
+  // The webapp package converts browser names to camel case, so
+  // mobile_safari and mobileSafari should be synonymous.
+  mobile_safari: ["mobileSafari"],
 };
 
 // Expand the given minimum versions by reusing chrome versions for
@@ -140,7 +144,7 @@ setMinimumBrowserVersions({
   chrome: 49,
   edge: 12,
   firefox: 45,
-  mobile_safari: [9, 2],
+  mobileSafari: [9, 2],
   opera: 36,
   safari: 9,
   // Electron 1.0.0+ matches Chromium 49, per
@@ -152,7 +156,7 @@ setMinimumBrowserVersions({
   chrome: 39,
   edge: 13,
   firefox: 26,
-  mobile_safari: 10,
+  mobileSafari: 10,
   opera: 26,
   safari: 10,
   // Disallow any version of PhantomJS.
@@ -164,7 +168,7 @@ setMinimumBrowserVersions({
   chrome: 41,
   edge: 13,
   firefox: 34,
-  mobile_safari: [9, 2],
+  mobileSafari: [9, 2],
   opera: 29,
   safari: [9, 1],
   electron: [0, 24],
@@ -174,7 +178,7 @@ setMinimumBrowserVersions({
   chrome: 38,
   edge: 12,
   firefox: 36,
-  mobile_safari: 9,
+  mobileSafari: 9,
   opera: 25,
   safari: 9,
   electron: [0, 20],
diff --git a/packages/modern-browsers/package.js b/packages/modern-browsers/package.js
index 102b1429ac..4ea7eed7fc 100644
--- a/packages/modern-browsers/package.js
+++ b/packages/modern-browsers/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   name: "modern-browsers",
-  version: "0.1.0",
+  version: "0.1.1",
   summary: "API for defining the boundary between modern and legacy " +
     "JavaScript clients",
   documentation: "README.md"
diff --git a/packages/promise/package.js b/packages/promise/package.js
index a98e3426e8..b7c2cac64c 100644
--- a/packages/promise/package.js
+++ b/packages/promise/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   name: "promise",
-  version: "0.11.0",
+  version: "0.11.1",
   summary: "ECMAScript 2015 Promise polyfill with Fiber support",
   git: "https://github.com/meteor/promise",
   documentation: "README.md"
diff --git a/packages/promise/server.js b/packages/promise/server.js
index d92e6a76b3..0e81c6e8d4 100644
--- a/packages/promise/server.js
+++ b/packages/promise/server.js
@@ -15,7 +15,7 @@ require("meteor/modern-browsers").setMinimumBrowserVersions({
   // (pre-Edge) from the modern classification. #9818 #9839
   ie: 12,
   firefox: 29,
-  mobile_safari: 8,
+  mobileSafari: 8,
   opera: 20,
   safari: [7, 1],
   // https://github.com/Kilian/electron-to-chromium/blob/master/full-versions.js
diff --git a/packages/socket-stream-client/package.js b/packages/socket-stream-client/package.js
index d0c9a6aa6f..791bddc65a 100644
--- a/packages/socket-stream-client/package.js
+++ b/packages/socket-stream-client/package.js
@@ -1,6 +1,6 @@
 Package.describe({
   name: "socket-stream-client",
-  version: "0.2.0",
+  version: "0.2.1",
   summary: "Provides the ClientStream abstraction used by ddp-client",
   documentation: "README.md"
 });
diff --git a/packages/socket-stream-client/server.js b/packages/socket-stream-client/server.js
index 3b4869e4d0..aa28e7d750 100644
--- a/packages/socket-stream-client/server.js
+++ b/packages/socket-stream-client/server.js
@@ -7,7 +7,7 @@ setMinimumBrowserVersions({
   edge: 12,
   firefox: 11,
   ie: 10,
-  mobile_safari: [6, 1],
+  mobileSafari: [6, 1],
   phantomjs: 2,
   safari: 7,
   electron: [0, 20],