diff --git a/.DS_Store b/.DS_Store
new file mode 100644
index 00000000..5008ddfc
Binary files /dev/null and b/.DS_Store differ
diff --git a/cloud.js b/cloud.js
index 42e7790a..3bfb1734 100644
--- a/cloud.js
+++ b/cloud.js
@@ -29,7 +29,7 @@
 
 /*global modules, IDE_Morph, SnapSerializer, hex_sha512, alert, nop*/
 
-modules.cloud = '2013-February-27';
+modules.cloud = '2013-March-21';
 
 // Global stuff
 
@@ -82,6 +82,7 @@ Cloud.prototype.signup = function (
                 + email,
             true
         );
+        request.withCredentials = true;
         request.onreadystatechange = function () {
             if (request.readyState === 4) {
                 if (request.responseText) {
@@ -126,6 +127,7 @@ Cloud.prototype.connect = function (
             (this.hasProtocol() ? '' : 'http://') + this.url,
             true
         );
+        request.withCredentials = true;
         request.onreadystatechange = function () {
             if (request.readyState === 4) {
                 if (request.responseText) {
diff --git a/history.txt b/history.txt
index 581df240..e7fc9c99 100755
--- a/history.txt
+++ b/history.txt
@@ -1545,4 +1545,8 @@ ______
 * GUI: deactivated motd and cloudmsg mechanism for now (has some issues)
 * Updated Portuguese translation, thanks, Manuel!
 * Updated all translations for %keyHat and %msgHat specs
-* YPR: fixed turnLeft / turnRight swap bug
\ No newline at end of file
+* YPR: fixed turnLeft / turnRight swap bug
+
+130321
+------
+* Cloud: allow every XMLHttpRequest to transport cookies (withCredentials = true)
\ No newline at end of file