Reply button text and text editing Dingbats in Trac are not visible on Gnu+Linux TBB
Strangely, the text on the reply button in our bug tracker is not visible with Tor Browser based on ESR45. I have no such issues with 6.0a4. The security slider setting does not matter. This is on a Linux box.
To upload designs, you'll need to enable LFS and have an admin enable hashed storage. More information