Among the 1 debian patch available in version 0.3.3-2 of the package, we noticed the following issues:
commit e5627ed597da50e1dfdc871ea7025f028ddb622d
Author: Dennis Braun <d_braun@kabelmail.de>
Date:   Sat Oct 8 10:27:49 2022 +0200
    Prefer libjack-dev over libjack-jackd2-dev
commit d2dfe0fc8c1507e67ccbf8f0234c21d6b466549d
Author: Dennis Braun <d_braun@kabelmail.de>
Date:   Sat Jun 18 20:40:27 2022 +0200
    Bump Standards Version to 4.6.1
commit d5b625712832cf8786c72577ada464fa7c82242a
Author: Dennis Braun <d_braun@kabelmail.de>
Date:   Sat Jun 18 20:40:04 2022 +0200
    Use libjack-jackd2-dev as preferable B-D and libjack-dev as optional
commit 27b9cd3b2d22cac08ab453706d5e448a0e4d02db
Merge: 5354913 aa71d92
Author: Dennis Braun <d_braun@kabelmail.de>
Date:   Fri Sep 24 11:28:41 2021 +0000
    Merge branch 'scrub-obsolete' into 'master'
    
    Remove unnecessary constraints
    
    See merge request multimedia-team/zita-mu1!1
commit aa71d92dde0486427a0937b1949171784f7f404e
Author: Debian Janitor <janitor@jelmer.uk>
Date:   Sat Sep 18 01:16:44 2021 +0000
    Remove constraints unnecessary since buster
    
    * Build-Depends: Drop versioned constraint on libclthreads-dev and libclxclient-dev.
    
    Changes-By: deb-scrub-obsolete