Bug#672523: please include "preserve /home" functionality
Downstream, I have found the possibility to do a clean re-install "over" an exitising
installation very useful, and I think it may also be useful with debian.
For example, if you need to upgrade laptops that have rather small (thus
only a swap+root partition setup) and full harddisks to the next release.
(Especially if you will also need to change the desktop environment,
to maintain the uability. Then you can get rid of the old DE by only installing
the new one.)
The "preserve /home" functionallity has been used with ubuntu for
quite some time now.
The spec can be found here:
And this even seems to suggest there might already exist debian-installer patches: