I'm not sure if my problem was exactly the same bug (Brasero was producing coasters without any errors, but I was burning ISOs, not data CDs), but the patched version in the PPA fixed the problem for me nonetheless.
I'm not sure if my problem was exactly the same bug (Brasero was producing coasters without any errors, but I was burning ISOs, not data CDs), but the patched version in the PPA fixed the problem for me nonetheless.