not all applications, but some of them like Slack, Steam and Fondo
well, done
but still the same
output you asked:
user@coloured-pushpins:~$ flatpak info --show-permissions com.valvesoftware.Steam
[Context]
shared=network;ipc;
sockets=x11;wayland;pulseaudio;
devices=all;
features=devel;multiarch;bluetooth;
filesystems=xdg-run/app/com.discordapp.Discord:create;xdg-pictures:ro;xdg-music:ro;
persistent=.;
[Session Bus Policy]
org.kde.StatusNotifierWatcher=talk
org.freedesktop.Notifications=talk
org.gnome.SettingsDaemon.MediaKeys=talk
org.freedesktop.ScreenSaver=talk
org.freedesktop.PowerManagement=talk
[System Bus Policy]
org.freedesktop.NetworkManager=talk
org.freedesktop.UPower=talk
[Environment]
PYTHONPATH=/app/utils/lib/python3.8/site-packages
TZ=
ALSA_CONFIG_PATH=
LC_NUMERIC=C
PROTON_DEBUG_DIR=/var/tmp
STEAM_RUNTIME_PREFER_HOST_LIBRARIES=
DBUS_FATAL_WARNINGS=0
LC_MONETARY=C
STEAM_EXTRA_COMPAT_TOOLS_PATHS=/app/share/steam/compatibilitytools.d
XDG_CONFIG_DIRS=/etc/xdg:/usr/lib/x86_64-linux-gnu/GL:/usr/lib/i386-linux-gnu/GL
LC_TELEPHONE=C
STEAM_RUNTIME=
LC_MEASUREMENT=C
LC_COLLATE=C
LC_NAME=C
SSL_CERT_DIR=/etc/ssl/certs
SDL_VIDEODRIVER=
GST_PLUGIN_SYSTEM_PATH=/app/lib/gstreamer-1.0:/app/lib32/gstreamer-1.0:/usr/lib/extensions/gstreamer-1.0:/usr/lib/x86_64-linux-gnu/gstreamer-1.0:/usr/lib/i386-linux-gnu/gstreamer-1.0
MESA_GLSL_CACHE_DIR=
LC_ADDRESS=C
PATH=/app/bin:/app/utils/bin:/usr/bin