This forum is dedicated to testing early releases and cauldron : Howtos, tips, tricks and user global feedback and thoughts...
Helpful tip : For bugs tracking we use : https://bugs.mageia.org = The Mageia Bug Tracker In this bug tracker you'll find already reported bugs and you'll be able to report those you have found....
Yeah it's build to cauldron but you need to manualy write grub2 to your hdd mbr (master boot record),there is /usr/share/doc/grub2 document file to read how to use it,it can be unstable and you can't configure it from control center yet,i hope this will help you to get started.