As all of you know, MODX has a lot of problems. There are two methods of fixing them: continuous development and creation of new format. We (Xtreeme.org Group - me and faw) have selected the second option.
We are very pleased to announce XPKG 0.1 - an innovative XML-based format used for describing software packages, designed with simplicity in mind. It solves a lot of problems: having to update version numbers in all xml files, bad support for package dependencies, bad support for linking to update instructions, no support for chmodding files, running installers, deleting found code and more! You can find more information and technical specifications on http://xtreeme.org/xpkg/
XPKG is not related in any way to phpBB.com