> Hi Marc,
>    Well, today is the proposal deadline, how would I attach the patches I submit later before 10 April to my proposal?
> Best Regards,,

Hi Ahmed,

As far as I know, even after the deadline applicant and the mentors of organization can comment about the proposal.
So all you have to do is put a comment once you have done submitting a patch.

 -
Regards,
Darshana