Там свежие версии пакетов, флатпаки и рантаймы обновляются регулярно и незавиисмо от дистрибутива.

По версиям, вот что установлено у меня:
Имя             ID Приложения            Версия       Ветка      Тип установки
AnyDesk         com.anydesk.Anydesk      6.1.1        stable     system
ungoogled-chro… …oston.UngoogledChromium 95.0.4638.69 stable     system
Codecs          …ngoogledChromium.Codecs              stable     system
Tor Browser La… …lee.torbrowser-launcher 0.3.5        stable     system
VidCutter       com.ozmartians.VidCutter 6.0.5.1      stable     system
Skype           com.skype.Client         8.77.0.97    stable     system
Transmission    …smissionbt.Transmission 3.00         stable     system
Viber           com.viber.Viber          11.9         stable     system
XnConvert       com.xnview.XnConvert     1.90         stable     system
XnSketch        com.xnview.XnSketch      1.18         stable     system
XnView MP       com.xnview.XnViewMP      0.99.1       stable     system
Shortwave       ….haeckerfelix.Shortwave 2.0.1        stable     system
HandBrake       fr.handbrake.ghb         1.4.2        stable     system
GPU-Viewer      …nsivaramanneo.GPUViewer 1.36         stable     system
Celluloid       …luloid_player.Celluloid 0.21         stable     system
qTox            io.github.qtox.qTox      1.17.3       stable     system
LibreWolf       …lab.librewolf-community 93.0-1       stable     system
Master PDF Edi… …ndustry.MasterPDFEditor 5.8.06       stable     system
MediaInfo       net.mediaarea.MediaInfo  21.09        stable     system
Bluefish        nl.openoffice.bluefish   2.2.10       stable     system
Audacity        …g.audacityteam.Audacity 3.1.0        stable     system
Codecs          …ityteam.Audacity.Codecs              stable     system
Avidemux        org.avidemux.Avidemux    2.7.8        stable     system
Fedora Media W… …doraproject.MediaWriter 4.2.2        stable     system
FileZilla       …ezillaproject.Filezilla 3.56.2       stable     system
SWH             ….LinuxAudio.Plugins.swh 0.4.17       20.08      system
Freedesktop Pl… org.freedesktop.Platform 18.08.39     18.08      system
Freedesktop Pl… org.freedesktop.Platform 20.08.15     20.08      system
Freedesktop Pl… org.freedesktop.Platform 21.08.4      21.08      system
default         …top.Platform.GL.default              19.08      system
Mesa            …top.Platform.GL.default 21.1.7       20.08      system
Mesa            …top.Platform.GL.default 21.2.2       21.08      system
Adwaita icon t… …tform.Icontheme.Adwaita              1.0        system
Intel           …op.Platform.VAAPI.Intel              18.08      system
ffmpeg-full     …op.Platform.ffmpeg-full              20.08      system
ffmpeg-full     …op.Platform.ffmpeg-full              21.08      system
html5-codecs    …p.Platform.html5-codecs              18.08      system
openh264        …sktop.Platform.openh264 2.1.0        2.0        system
GNU Image Mani… org.gimp.GIMP            2.10.28      stable     system
Manual          org.gimp.GIMP.Manual                  2.10       system
Боксы GNOME     org.gnome.Boxes          40.2         stable     system
GNOME Boxes Os… …oxes.Extension.OsinfoDb 20211013     stable     system
Календарь       org.gnome.Calendar       41.0         stable     system
Карты GNOME     org.gnome.Maps           41.1         stable     system
Фотографии      org.gnome.Photos         40.0         stable     system
GNOME Applicat… org.gnome.Platform                    3.34       system
GNOME Applicat… org.gnome.Platform                    3.36       system
GNOME Applicat… org.gnome.Platform                    40         system
GNOME Applicat… org.gnome.Platform                    41         system
Погода          org.gnome.Weather        41.0         stable     system
Часы GNOME      org.gnome.clocks         40.0         stable     system
Inkscape        org.inkscape.Inkscape    1.1.1        stable     system
Adwaita theme   org.kde.KStyle.Adwaita                5.15       system
Adwaita theme   org.kde.KStyle.Adwaita                5.15-21.08 system
KDE Applicatio… org.kde.Platform                      5.15       system
KDE Applicatio… org.kde.Platform                      5.15-21.08 system
KolourPaint     org.kde.kolourpaint      21.08.2      stable     system
LibreOffice     …libreoffice.LibreOffice 7.2.2.2      stable     system
Веб-браузер Mi… …g.midori_browser.Midori 0.5.11       stable     system
Thunderbird     org.mozilla.Thunderbird  91.3.0       stable     system
MyPaint         org.mypaint.MyPaint      2.0.1        stable     system
ONLYOFFICE Des… …lyoffice.desktopeditors 6.3.1        stable     system
OpenShot Video… org.openshot.OpenShot    2.6.1        stable     system
qBittorrent     …qbittorrent.qBittorrent 4.3.9        stable     system
Shotcut         org.shotcut.Shotcut      21.10.31     stable     system
Telegram Deskt… org.telegram.desktop     3.2          stable     system
VLC             org.videolan.VLC         3.0.16       stable     system
Zoom            us.zoom.Zoom             5.8.3.145    stable     system