With the latest update, it no longer starts (The previous version started normally).
Here is the error:
[emanu@desktop ~]$ flatpak run org.mixxx.Mixxx
bwrap: Can't mkdir parents for /app/extensions/Plugins: Read-only file system
error: ldconfig failed, exit status 256
[emanu@desktop ~]$ flatpak info org.mixxx.Mixxx
Mixxx DJ Software - Everything you need to perform live DJ mixes
ID: org.mixxx.Mixxx
Ref: app/org.mixxx.Mixxx/x86_64/stable
Arch: x86_64
Branch: stable
Version: 2.3.0
License: GPL-2.0-or-later
Origin: flathub
Collection: org.flathub.Stable
Installation: system
Installed: 61,4 MB
Runtime: org.kde.Platform/x86_64/5.15
Sdk: org.kde.Sdk/x86_64/5.15
Commit: 8bb077c09e39b88e8f437d3bb47c264a86227162acb165ec03ec18ae55d8e9fa
Parent: af3f5768998a2284e7d95123bc90b7977b0c71b0bc40adf1bdebd05b35b7fd2b
Subject: update Mixxx to 2.3.0 (b4235f1c)
Date: 2021-08-15 14:43:13 +0000
With the latest update, it no longer starts (The previous version started normally). Here is the error:
Hope it helps