> I agree with Jim, something is wrong, I see our developers community isn't growing and getting older.
> There is no formal problem to start contribute, but steep learning curve and
> lack of mentoring practice scare people.
The "Debian Med" Debian Blend has quite successfully used a
semi-structured mentoring effort to attract new package maintainers:
https://wiki.debian.org/DebianMed/MoM
For what it is worth...
Karsten Hilbert