mAutoPopup 0.5 and mCatFilter 0.2 have been successfully tested against WordPress 2.7 beta 3 and appeared to be fully functionnal.
WordPress 2.7 features a new install/uninstall functionnality available directly from the admin panels. However, mAutoPopup 0.5 and mCatFilter 0.2, both designed before WordPress 2.7, are not currently supporting this feature and you still have to step through the old-fashioned install/uninstall procedure provided with our plugins. Next releases will support WordPress 2.7.