Building the Utils component in OS X TBBs is broken with the new cross-compiler
At least in order to ship 64bit OS X bundles we need to switch the compiler on OS X to our new cross-compiler. Moreover, as we do not ship the old one users can't build the OS X bundles themselves out-of-the-box anymore currently.
To upload designs, you'll need to enable LFS and have an admin enable hashed storage. More information