SUMMARY

Crash on start:

[~]$ plasma-discover

** (process:27020): WARNING **: 22:37:13.800: Not changing AppStream cache location: No longer supported.
QDir::mkpath: Empty or null file name
kf.newstuff.core: The CustomName property is deprecated and will be removed in KF6
kf.newstuff.core: The CustomName property is deprecated and will be removed in KF6
kf.newstuff.core: The CustomName property is deprecated and will be removed in KF6
kf.newstuff.core: The CustomName property is deprecated and will be removed in KF6
kf.newstuff.core: The CustomName property is deprecated and will be removed in KF6
kf.newstuff.core: The CustomName property is deprecated and will be removed in KF6
kf.newstuff.core: The CustomName property is deprecated and will be removed in KF6
kf.newstuff.core: The CustomName property is deprecated and will be removed in KF6
kf.newstuff.core: The CustomName property is deprecated and will be removed in KF6
kf.newstuff.core: The CustomName property is deprecated and will be removed in KF6
adding empty sources model QStandardItemModel(0x55db5651a0d0)
org.kde.plasma.libdiscover: Couldn't find a category for  "fwupd-backend"
file:///usr/lib/qt/qml/org/kde/kirigami.2/private/PrivateActionToolButton.qml:74:5: QML Binding: Binding loop detected for property "value"
file:///usr/lib/qt/qml/org/kde/kirigami.2/private/globaltoolbar/ToolBarPageHeader.qml:14:1: QML ToolBarPageHeader: Binding loop detected for property "implicitWidth"

(process:27020): Fwupd-CRITICAL **: 22:37:14.215: fwupd_client_download_bytes_async: assertion 'url != NULL' failed
kf.newstuff.core: "Error transferring https://distribute.kde.org/khotnewstuff/fonts-providers.xml - server replied: Not Found"
KNS error in "Fonts" : KNSCore::ProviderError "Loading of providers from file: https://distribute.kde.org/khotnewstuff/fonts-providers.xml failed" QVariant(QString, "https://distribute.kde.org/khotnewstuff/fonts-providers.xml")
invalid kns backend! "/usr/share/knsrcfiles/kfontinst.knsrc" because: "Invalid Fonts backend, contact your distributor."
org.kde.plasma.libdiscover: Discarding invalid backend "kfontinst.knsrc"
kns error "/usr/share/knsrcfiles/kfontinst.knsrc" "Invalid Fonts backend, contact your distributor."
org.kde.plasma.libdiscover: Couldn't find a category for  "fwupd-backend"
QOpenGLFunctions created with non-current context
29 -- exe=/usr/bin/plasma-discover
17 -- platform=wayland
24 -- appname=plasma-discover
17 -- apppath=/usr/bin
10 -- signal=11
10 -- pid=27020
18 -- appversion=5.23.5
21 -- programname=Discover
63 -- bugaddress=https://bugs.kde.org/enter_bug.cgi?product=Discover
30 -- productname=discover/discover
12 -- startupid=0
KCrash: crashing... crashRecursionCounter = 2
KCrash: Application Name = plasma-discover path = /usr/bin pid = 27020
KCrash: Arguments: /usr/bin/plasma-discover 
The Wayland connection experienced a fatal error: Bad file descriptor
kf.kio.slaves.file: readData() returned -1



STEPS TO REPRODUCE
1. Launch plasma-discover
2. 
3. 

OBSERVED RESULT
Crashes

EXPECTED RESULT
Running

SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Arch
(available in About System)
KDE Plasma Version: 5.23.5
KDE Frameworks Version: 5.90.0
Qt Version: 5.15.2

ADDITIONAL INFORMATION
Also seen on 5.23.90