Firefox 24 ESR needs at least Python 2.7 and libgstreamer dev packages on the 10.04 VM
Ubuntu 10.04, which we use to build the TBB3.0 for Linux, does not ship with Python 2.7, yet Firefox ESR 24 needs it in order to get built.
To upload designs, you'll need to enable LFS and have an admin enable hashed storage. More information