WordPress 3.5.1 Update Bug "Destination directory for file streaming does not exist or is not writable"
WordPress 3.5.1 has been released and you can update your blog to the latest
version. During update process, a bug saying "Destination directory for
file streaming does not exist or is not writable" may occur if your blog
is hosted on a IIS Windows server. To fix this error, simply add the
below code line to your wp-config.php file and then run the update
process. After update of WordPress 3.5.1 completes, delete the code from wp-config.php file again. Here is the code:
define( 'WP_TEMP_DIR', ABSPATH . 'wp-content/' );
What is New in WordPress 3.5.1
Some bugs are fixed in the latest stable release of WordPress 3.5.1. Bugs including Editor issues, Scheduled posts issues, Media related issues and other 37 other bugs have been fixed in this release of WordPress. Additionally, some security issues including Server-side request forgery (SSRF) and remote port scanning via pingbacks, Cross-site scripting (XSS) via shortcodes and post content and Cross-site scripting (XSS) in the external library Plupload have been fixed. The following files in WordPress 3.5.1 have been looked up.
wp-includes/default-filters.php
wp-includes/class-http.php
wp-includes/post.php
wp-includes/version.php
wp-includes/js/tinymce/tiny_mce.js
wp-includes/js/tinymce/wp-tinymce-schema.js
wp-includes/js/tinymce/wp-tinymce.js.gz
wp-includes/js/media-editor.js
wp-includes/js/plupload/plupload.silverlight.xap
wp-includes/js/plupload/plupload.html5.js
wp-includes/js/plupload/changelog.txt
wp-includes/js/plupload/plupload.silverlight.js
wp-includes/js/plupload/plupload.flash.swf
wp-includes/js/plupload/plupload.js
wp-includes/js/media-views.js
wp-includes/js/media-editor.min.js
wp-includes/js/media-views.min.js
wp-includes/comment.php
wp-includes/class-wp-embed.php
wp-includes/functions.php
wp-includes/template.php
wp-includes/user.php
wp-includes/media.php
wp-includes/class-wp-xmlrpc-server.php
wp-includes/wp-db.php
wp-includes/media-template.php
wp-includes/class-wp.php
wp-includes/css/editor.min.css
wp-includes/css/editor.css
wp-includes/script-loader.php
readme.html
wp-admin/network.php
wp-admin/includes/image-edit.php
wp-admin/includes/update-core.php
wp-admin/includes/media.php
wp-admin/js/post.min.js
wp-admin/js/post.js
wp-admin/images/sort-2x.gif
wp-admin/css/wp-admin.min.css
wp-admin/css/wp-admin.css
wp-admin/about.php