Dear Maintainer,

The jack_mixer binary fails to start if these packages are not installed.

I've reported this against the version currently in bookworm (stable),
but I believe it applies to testing and unstable as well.

Without python3-gi, the following trace appears:

Without gir1.2-gtk-3.0, the trace is:
Without python3-cairo, the trace is:

(See also bug #995784 about adding python3-cairo as a Recommends for
python3-gi)

Philip Chung