In debian/watch no matching files for watch source http://traverso-daw.org/download.html
Among the 3 debian patches available in version 0.49.6-1 of the package, we noticed the following issues:
commit 3a41303080ec6cc9c8a5162b8c1bda71e8a695fe
Author: Olivier Humbert <trebmuh@tuxfamily.org>
Date:   Sun Dec 26 20:57:43 2021 +0000
    Update d/rules: rebuild translation files at build time
commit 540335869074f7068a0bebeece74252fd57a4e88
Author: Olivier Humbert <trebmuh@tuxfamily.org>
Date:   Tue Nov 12 14:51:23 2019 +0000
    Update series (add 1000-FR_translation.patch)
commit 905147654e00de340f53106ec431e96e4cb55ebf
Author: Olivier Humbert <trebmuh@tuxfamily.org>
Date:   Tue Nov 12 14:50:53 2019 +0000
    Add patch (FR translation)
commit 94db1af8d5e8a0dac9ec3a020e7deb35e48e1b16
Author: Olivier Humbert <trebmuh@tuxfamily.org>
Date:   Tue Nov 12 14:47:33 2019 +0000
    Update copyright (http -> https)
commit a0f67837d0265ea06a58ebae051e1b4083ab224d
Author: Ondřej Nový <onovy@debian.org>
Date:   Fri Oct 18 16:50:15 2019 +0200
    Bump Standards-Version to 4.4.1