In Mate desktop, after mute/unmute, the volume cannot be raised with mouse wheel over the sound applet.
Futhermore, the levels between alsamixer and sound applet don't match (see attached screenshot).
~$ cat /etc/os-release
PRETTY_NAME="Devuan GNU/Linux 5 (daedalus)"
NAME="Devuan GNU/Linux"
VERSION_ID="5"
VERSION="5 (daedalus)"
VERSION_CODENAME="daedalus"
ID=devuan
ID_LIKE=debian
HOME_URL="https://www.devuan.org/"
SUPPORT_URL="https://devuan.org/os/community"
BUG_REPORT_URL="https://bugs.devuan.org/"
$ uname -a
Linux pc-xxx 6.1.0-30-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.1.124-1 (2025-01-12) x86_64 GNU/Linux
$ dpkg -l "*mate*"|grep ii
ii compiz-mate 2:0.8.18-5 amd64 OpenGL window and compositing manager - MATE window decorator
ii debian-mate-default-settings 1.26.0-1+deb12u1 all Default settings for MATE on Debian
ii gir1.2-matemenu-2.0:amd64 1.26.0-3 amd64 GObject introspection data for the MATE menu specification
ii libmate-desktop-2-17:amd64 1.26.0-2 amd64 Library with common API for various MATE modules (library)
ii libmate-menu2:amd64 1.26.0-3 amd64 implementation of the freedesktop menu specification for MATE (library)
ii libmate-panel-applet-4-1:amd64 1.27.0-1 amd64 library for MATE Panel applets
ii libmate-slab0:amd64 1.26.0-2+deb12u1 amd64 beautification app library
ii libmate-window-settings1:amd64 1.26.0-2+deb12u1 amd64 utilities to configure the MATE desktop (window settings library)
ii libmatedict6 1.26.0-1+deb12u1 amd64 MATE desktop utilities (matedict library)
ii libmatekbd-common 1.26.0-1+deb12u1 all MATE library to manage keyboard configuration (common files)
ii libmatekbd4:amd64 1.26.0-1+deb12u1 amd64 MATE library to manage keyboard configuration
ii libmatemixer-common 1.26.0-2+deb12u1 all Mixer library for MATE Desktop (common files)
ii libmatemixer0:amd64 1.26.0-2+deb12u1 amd64 Mixer library for MATE Desktop
ii libmateweather-common 1.26.0-1.1+deb12u2 all MateWeather shared library (common files)
ii libmateweather1:amd64 1.26.0-1.1+deb12u2 amd64 MateWeather shared library
ii mate-applet-brisk-menu 0.6.2-2 amd64 Solus Project's Brisk Menu MATE Panel Applet
ii mate-applets 1.26.1-1 amd64 Various applets for the MATE panel
ii mate-applets-common 1.26.1-1 all Various applets for the MATE panel (common files)
ii mate-backgrounds 1.26.0-1 all Set of backgrounds packaged with the MATE Desktop Environment
ii mate-calc 1.26.0-1 amd64 MATE desktop calculator
ii mate-calc-common 1.26.0-1 all MATE desktop calculator (common files)
ii mate-control-center 1.26.0-2+deb12u1 amd64 utilities to configure the MATE desktop
ii mate-control-center-common 1.26.0-2+deb12u1 all utilities to configure the MATE desktop (common files)
ii mate-desktop 1.26.0-2 amd64 Library with common API for various MATE modules
ii mate-desktop-common 1.26.0-2 all Library with common API for various MATE modules (common files)
ii mate-desktop-environment 1.26.0+1 all MATE Desktop Environment (metapackage)
ii mate-desktop-environment-core 1.26.0+1 all MATE Desktop Environment (essential components, metapackage)
ii mate-icon-theme 1.26.0-1 all MATE Desktop icon theme
ii mate-indicator-applet 1.26.0-1 amd64 MATE panel indicator applet
ii mate-indicator-applet-common 1.26.0-1 all MATE panel indicator applet (common files)
ii mate-media 1.26.0-2 amd64 MATE media utilities
ii mate-media-common 1.26.0-2 all MATE media utilities (common files)
ii mate-menus 1.26.0-3 all implementation of the freedesktop menu specification for MATE
ii mate-notification-daemon 1.26.0-1+deb12u1 amd64 daemon to display passive popup notifications
ii mate-notification-daemon-common 1.26.0-1+deb12u1 all daemon to display passive popup notifications (common files)
ii mate-panel 1.27.0-1 amd64 launcher and docking facility for MATE
ii mate-panel-common 1.27.0-1 all launcher and docking facility for MATE (common files)
ii mate-polkit 1.26.1-3 amd64 MATE authentication agent for PolicyKit-1
ii mate-polkit-common 1.26.1-3 all MATE authentication agent for PolicyKit-1 (common files)
ii mate-power-manager 1.26.0-2+deb12u1 amd64 power management tool for the MATE desktop
ii mate-power-manager-common 1.26.0-2+deb12u1 all power management tool for the MATE desktop (common files)
ii mate-screensaver 1.26.1-1+deb12u1 amd64 MATE screen saver and locker
ii mate-screensaver-common 1.26.1-1+deb12u1 all MATE screen saver and locker (common files)
ii mate-session-manager 1.26.0-1+deb12u1 amd64 Session manager of the MATE desktop environment
ii mate-settings-daemon 1.26.0-1+deb12u1 amd64 daemon handling the MATE session settings
ii mate-settings-daemon-common 1.26.0-1+deb12u1 all daemon handling the MATE session settings (common files)
ii mate-system-monitor 1.26.0-1 amd64 Process viewer and system resource monitor for MATE
ii mate-system-monitor-common 1.26.0-1 all Process viewer and system resource monitor for MATE (common files)
ii mate-terminal 1.26.0-2 amd64 MATE terminal emulator application
ii mate-terminal-common 1.26.0-2 all MATE terminal emulator application (common files)
ii mate-themes 3.22.23-1 all Official themes for the MATE desktop
ii mate-tweak 22.10.0-2 all MATE desktop tweak tool
ii mate-user-guide 1.26.0-1 all User documentation for MATE Desktop Environment
ii mate-utils 1.26.0-1+deb12u1 amd64 MATE desktop utilities
ii mate-utils-common 1.26.0-1+deb12u1 all MATE desktop utilities (common files)
ii task-mate-desktop 3.73devuan1 all MATE
No pulse/systemd installed/active.

Thank you.
In Mate desktop, after mute/unmute, the volume cannot be raised with mouse wheel over the sound applet.
Futhermore, the levels between alsamixer and sound applet don't match (see attached screenshot).
No pulse/systemd installed/active.
Thank you.