[Bug 2011380] [NEW] [REGRESSION] Unable to view detailed app info on Lubuntu Lunar

[Aaron Rainbolt]

Public bug reported:

Steps to reproduce:

1. Boot the latest Lubuntu Lunar ISO in a virtual machine.
2. Open Discover.
3. Click any application section in the left sidebar (the "Office" section is the one I'm using).
4. Click on any app.

Expected result: Detailed information about the app should be shown,
such as pictures, a description, and reviews.

Actual result: Nothing happens.

Additional information: Here's the output I got from running Discover in
a terminal and then clicking on apps:

-------------------------
org.kde.plasma.libdiscover: Couldn't find the backend:  "kns-backend" among ("fwupd-backend", "kns-backend", "packagekit-backend", "snap-backend")
fetch ratings! false
adding empty sources model QStandardItemModel(0x561d756d77a0)
kf.kirigami: Failed to find a Kirigami platform plugin
qrc:/qml/Feedback.qml:2:1: module "org.kde.userfeedback" is not installed
no component found for "com.ubuntu.ubuntu"
file:///usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/kirigami.2/ScrollablePage.qml:200:9: QML MouseArea: Binding loop detected for property "implicitHeight"
file:///usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/kirigami.2/ScrollablePage.qml:200:9: QML MouseArea: Binding loop detected for property "implicitHeight"
file:///usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/kirigami.2/ScrollablePage.qml:200:9: QML MouseArea: Binding loop detected for property "implicitHeight"
file:///usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/kirigami.2/ScrollablePage.qml:200:9: QML MouseArea: Binding loop detected for property "implicitHeight"
file:///usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/kirigami.2/ScrollablePage.qml:200:9: QML MouseArea: Binding loop detected for property "implicitHeight"
QQmlComponent: Component is not ready
file:///usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/kirigami.2/PageRow.qml:916: Error: Error while loading page: qrc:/qml/ApplicationPage.qml:15 module "org.kde.purpose" is not installed

Qt Quick Layouts: Detected recursive rearrange. Aborting after two iterations.
Qt Quick Layouts: Detected recursive rearrange. Aborting after two iterations.
QQmlComponent: Component is not ready
file:///usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/kirigami.2/PageRow.qml:916: Error: Error while loading page: qrc:/qml/ApplicationPage.qml:15 module "org.kde.purpose" is not installed

QQmlComponent: Component is not ready
file:///usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/kirigami.2/PageRow.qml:916: Error: Error while loading page: qrc:/qml/ApplicationPage.qml:15 module "org.kde.purpose" is not installed

QQmlComponent: Component is not ready
file:///usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/kirigami.2/PageRow.qml:916: Error: Error while loading page: qrc:/qml/ApplicationPage.qml:15 module "org.kde.purpose" is not installed

QQmlComponent: Component is not ready
file:///usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/kirigami.2/PageRow.qml:916: Error: Error while loading page: qrc:/qml/ApplicationPage.qml:15 module "org.kde.purpose" is not installed

QQmlComponent: Component is not ready
file:///usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/kirigami.2/PageRow.qml:916: Error: Error while loading page: qrc:/qml/ApplicationPage.qml:15 module "org.kde.purpose" is not installed

QQmlComponent: Component is not ready
file:///usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/kirigami.2/PageRow.qml:916: Error: Error while loading page: qrc:/qml/ApplicationPage.qml:15 module "org.kde.purpose" is not installed
-------------------------

The "QQmlComponent: Component is not ready" errors are the result of
clicking on apps - each time I click on an app, one of those errors is
printed to the terminal.

ProblemType: Bug
DistroRelease: Ubuntu 23.04
Package: discover (not installed)
ProcVersionSignature: Ubuntu 6.1.0-16.16-generic 6.1.6
Uname: Linux 6.1.0-16-generic x86_64
ApportVersion: 2.26.0-0ubuntu2
Architecture: amd64
CasperMD5CheckResult: pass
CasperVersion: 1.480
CurrentDesktop: LXQt
Date: Mon Mar 13 04:49:26 2023
LiveMediaBuild: Lubuntu 23.04 "Lunar Lobster" - Alpha amd64 (20230312)
SourcePackage: discover
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: plasma-discover (Ubuntu)
     Importance: Critical
         Status: New


** Tags: amd64 apport-bug lunar

** Package changed: discover (Ubuntu) => plasma-discover (Ubuntu)

** Changed in: plasma-discover (Ubuntu)
   Importance: Undecided => Critical

** Summary changed:

- Unable to view detailed app info on Lubuntu Lunar
+ [REGRESSION] Unable to view detailed app info on Lubuntu Lunar

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https://bugs.launchpad.net/bugs/2011380

Title:
  [REGRESSION] Unable to view detailed app info on Lubuntu Lunar

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