This is a regression from pre-1.6 bzrs, which would never fail to push a new rich-root standalone branch, which is really what should happen here (although a warning that stacking was suggested and not usable would be appropriate too). So I'm marking this as Critical.
This is a regression from pre-1.6 bzrs, which would never fail to push a new rich-root standalone branch, which is really what should happen here (although a warning that stacking was suggested and not usable would be appropriate too). So I'm marking this as Critical.