Testers, start your engines
The bulk of the merge has been done in WordPress core. At least with regards to moving over the files. Now the fun part begins: bug gardening, testing and tweaking. Here’s what you can do to help not only the dev team and others, but also yourself: - set up a local install of WPMU - import some...
2.9.1 released, last before merge
It’s officially out: WPMU 2.9.1. As Donncha says, this will likely be the last release before 3.0 and the merge. PLEASE see the info about adding the new commentsmeta table. (Wow, what a crazy ride. )  
Should you use WPMU?
With news of the merge of the Wordpress & WordPressMU codebase becoming more widespread, one of the questions I get asked with increasing frequency is should someone start a new site based on MU or should they wait for the merge. My answer? It depends. Is it time-critical? Do you need it up and...
Merge News
If you are interested in keeping up with how the merge of WordPress & WordPress MU is progressing here is a list of resources that you can follow: WordPress Contributors Twitter list Andrea on Twitter The WordPress merge trac ticket Patches submitted to trunk related to the merge Latest changes...
The merge begins
Ryan has posted a short notice in the developer blog that the merge of the WPMU codebase will be starting in WordPress trunk very soon. It’s likely to be a bit rocky, so fasten your seatbelts, put your tray in the upright position and secure all valuables. If you are playing along with the home...
Merge news and Buddypress awesomeness
Hope you guys all had a wonderful holiday. We took some much needed time off. Onward to the good stuff! Now that WordPress 2.9 is out the door, the dev team (Donncha, plus the regular WordPress team) can start working on 3.0, where the merge of wpmu will be rolled in. In case you missed it, Jane has...