No updates in about:downloads
Using Tor Browser 4.0.3, one can see on-going downloads in the Downloads tab (about:downloads). But the content is still when it's updated something like once a second on a regular Firefox.
It's not super bad as closing and opening Downloads will allow to monitor the transfers, but it sure is annoying.
To upload designs, you'll need to enable LFS and have admin enable hashed storage. More information