Thanks to Rainer, there is now a query, where you can see the “blocker” bugs, according to the component:
I hope it will help you….
BTW: You can download LibreOffice here
EDIT (11.04.2012 17:03) (See the reason):
LibreOffice 3.5.x is a very stable build. This should just help you to find known (blocker) bugs. There might exist a workaround! Again: LibreOffice 3.5.x is very stable.