Hi Luigi,
> The source code now is almost frozen, so it's unlikely (but not impossible)
> that we can apply the patches
Similar patches were included in pdftex and and xetex (via the shared
code), as well as xdvipdfmx and dvips in the last 3 days or so in the
TeX Live repository.
There is no urgent need, though. If it is not in this release, I will
include the respective patches in the Debian builds, only.