Isn't the issue because Truecrypt is using the native open dialog which basically leaks the information in the first place to the desktop environment? If they

Isn't the issue because Truecrypt is using the native open dialog which basically leaks the information in the first place to the desktop environment? If they wanted to prevent this, they could implement a custom open dialog. While not TrueCrypt's issue, it is something that can be worked around. It's certainly not the issue of the desktop environment.