Donncha has merged the Wordpress 2.9 into WordpressMU. Please download the latest trunk for test.

Here are a little brief of Wordpress 2.9

1. Image Editor
2. Post Trash Can
3. Restoring Deleted Posts
4. Disabling Trash Can Feature in WP 2.9
5. Embedding Videos and Images with oEmbed
6. Tackling Duplicate Content With rel=”canonical”
7. Automatic Database Repairing

See here WordPress 2.9 Packs in Loads of Features: Hands-on Review

This plugin is simple and designed to automatically add a “Digg This” badge or Facebook Share badge to your articles. This is very simple plugin and optionless plugin for WordpressMU. Just install and enable it on Discussion Menu.

Facebook Share Badge

Share Badge Disccussion Option

<?php
/*
* Plugin Name: WPMU Facebook Share Badge
* Version: 2.0
* Plugin URI: http://patrick.bloggles.info/
* Author: Patrick
* Author URI: http://patrickchia.com/
* Description: This plugin is simple and designed to automatically add a "Digg This" badge or Facebook Share badge to your articles.
*/

add_filter('the_content', 'button_share');

function button_share( $content ){
if ( !get_option('digg_on') &amp;&amp; !get_option('fb_on') )
return $content;

global $wp_query;
$post = $wp_query->post;
$id = $post->ID;
$postlink = get_permalink($id);

$title = urlencode($post->post_title);

$digglink = split('#',$postlink);

if( is_home() || is_single() ) {
$button = "<div style='float:right;padding-left:10px;padding-bottom:10;'><table border='0' bgcolor='#ffffff'>";

if( get_option('digg_on') == '1' ) {
$button .= "<tr><td><iframe src='http://digg.com/api/diggthis.php?w=new&amp;amp;u=" .urlencode($digglink[0]) . "&amp;amp;t=" . $title . "&amp;amp;s=normal' height='80' width='52' frameborder='0' scrolling='no'></iframe></td></tr>";
}

if( get_option('fb_on') == '1' ) {
$button .= "<tr><td><script type=\"text/javascript\"> var fbShare = {url: '" . $digglink[0] . "',size:'large'}</script>";
$button .= "<script type=\"text/javascript\" src=\"http://widgets.fbshare.me/files/fbshare.js\"></script></td></tr>";
}

$button .= "</table></div>";
$content = $button . $content;
}

return $content;
}

function admin_share_button() {
?>
<label><input name="fb_on" type="checkbox" id="fb_on" value="1" <?php checked('1', get_option('fb_on')); ?> /> Enable Facebook Share Button</label><br />
<label><input name="digg_on" type="checkbox" id="digg_on" value="1" <?php checked('1', get_option('digg_on')); ?> /> Enable Digg Share Button</label>
<?php
}

function share_conf(){
add_settings_field('fb_on', 'Share Button', 'admin_share_button', 'discussion', 'default');
register_setting('discussion', 'fb_on', 'sanitize_title');
register_setting('discussion', 'digg_on');
}
add_action('admin_init','share_conf');

?>

Try these two useful widgets for your wordpress MU.

Multiple Twitter Widgets
Allows for multiple twitter widgets to be displayed on wordpress MU blog.

Dashboard Blog Widgets
Showing all blog for the current user on the Right Now widgets.

Both of the plugin can be download from Patrick blog.

If you looking wordpress MU plugin for MU site, now it’s has many plugin directory includes plugin for Wordpress MU. Here are some plugin directory your reference.

http://wordpress.org/extend/plugins/tags/wordpressmu

http://wordpress.org/extend/plugins/tags/wpmu

http://wpmudev.org/

Wordpress just released 2.7 few month ago. Now you may enjoy Wordpress MU 2.7 with same features, function and user interface.

Click here to download. WordpressMU 2.7

WordpressMU 2.6.3 has just been released and is available for download(or download from subvision), upgrade your version now.

This is another great plugin for WordpressMU user from Donncha. I think a lot of WordpressMU waiting for this plugin. The plugin is allowed the user to map their blog to their own domain or other domain name.

Try the plugin now. Download from official wordpress plugin.

Sitewide Tags Blog
This plugin created by Donncha it’s creates a new blog on your WordPress MU for all the posts on your site, much like http://wordpress.com/tags/

For performance reasons the number of posts is limited to a user configurable amount, and the blog itself can be made indexable by search engines or not. need more  info? checkout Donncha’s blog.

Download here: WordPress MU Sitewide Tags Pages

Standard XML Sitemap
This plugin is generate a standard XML sitemap for WordpressMU’s blog and add sitemap url into robots.txt. It’s function like feed.

Download here: Standard XML Sitemap

This is great news for WPMU user that facing splog signup’s problem. Donncha has modified WP Hashcash plugin for WPMU user to stop splog signup. This is first releases and need to testing whether it’s work for WPMU. So please donwload and copy file with name wp-hashcash.php(just a file only) into your mu-plugins directory. The option may set up on Site Admin option page.

Donwload here (Only version 4.2).

Sendback your feedback to Donncha to improve it. Enjoy.

Wordpress MU has released few month ago. Now you may download the latest language file for your MU blog site:

1. WordPress MU v1.5.1. Simplified Chinese (rename file to zh.mo)
2. WPMU Catalan translation for 1.5.1 (rename file to ca.mo)
3. Dutch translation Wordpress MU 1.5.1 (rename file to nl.mo)
4. Norwegian Language for WPMU 1.5.1 (rename file to no.mo)
5. Finnish – Suomi MU1.5 (rename file to fi.mo)
6. Wordpress MU 1.5 Russian (rename file to ru.mo)
7. French for Wordpress MU 1.5.1 (rename file to fr.mo)

You must rename the file to the mo code and upload into your language folder in wp-content directory. Or you can download the WPMU 1.5 language pack at here(renamed file and ready to use). Thanks to all the translator!

If you found any language that not listed here, please leave your comment with link to share other. Thanks.