Bug#1095577: Thin Line Gap at Bottom in Fullscreen Mode

[Lucy]

Package: plasma-discover
Version: 5.27.5-2
Severity: minor
X-Debbugs-Cc: luc...@diplomats.com

Dear Maintainer,

What led up to the situation?

behavior. The issue persists regardless of resolution or scaling settings.

What exactly did you do (or not do) that was effective (or ineffective)?
Restarted KWin (kwin_x11 --replace &) → Issue persists
Tried different scaling settings (100%, 125%, 150%) → No change
Tested both proprietary and open-source GPU drivers → Issue remains

No relevant error messages

What was the outcome of this action?


drivers or display scaling.
The thin line is visible only in Discover, not in other KDE applications.

What outcome did you expect instead?


without any visible line or gap at the bottom.

System Information

Operating System: Debian GNU/Linux 12
KDE Plasma Version: 5.27.5
KDE Frameworks Version: 5.103.0
Qt Version: 5.15.8
Kernel Version: 6.1.0-30-amd64 (64-bit)
Graphics Platform: X11
Processors: 4 × Intel® Xeon® E-2224G CPU @ 3.50GHz
Memory: 62.5 GiB of RAM
Graphics Processor: AMD Radeon RX 550 / 550 Series
Manufacturer: Dell Inc.
Product Name: PowerEdge T40
Scaling Settings Tested: 100%, 125%, 150% (Issue persists in all cases)

Steps to Reproduce

Open Plasma Discover
Switch to fullscreen mode (F11 or maximize the window)
A visible thin line or gap appears at the bottom of the screen

Expected Behavior


without any visual anomalies at the bottom.

Screenshot for Reference

[Attach your screenshot or provide a link to the image]

Thank you for your support! 😊


-- System Information:
Debian Release: 12.9
APT prefers stable-updates

Architecture: amd64 (x86_64)

Kernel: Linux 6.1.0-30-amd64 (SMP w/4 CPU threads; PREEMPT)

Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages plasma-discover depends on:
ii appstream 0.16.1-2
ii apt-config-icons 0.16.1-2
ii kio 5.103.0-1+deb12u1
ii libappstreamqt2 0.16.1-2
ii libc6 2.36-9+deb12u9
ii libkf5attica5 5.103.0-1
ii libkf5configcore5 5.103.0-2
ii libkf5configgui5 5.103.0-2
ii libkf5coreaddons5 5.103.0-1
ii libkf5crash5 5.103.0-1
ii libkf5dbusaddons5 5.103.0-1
ii libkf5i18n5 5.103.0-1
ii libkf5idletime5 5.103.0-2
ii libkf5jobwidgets5 5.103.0-1
ii libkf5kiocore5 5.103.0-1+deb12u1
ii libkf5kiogui5 5.103.0-1+deb12u1
ii libkf5newstuffcore5 5.103.0-1
ii libkf5notifications5 5.103.0-1
ii libkf5service-bin 5.103.0-1
ii libkf5service5 5.103.0-1
ii libkf5widgetsaddons5 5.103.0-1
ii libkf5windowsystem5 5.103.0-1
ii libmarkdown2 2.2.7-2
ii libpackagekitqt5-1 1.1.1-1
ii libqt5core5a 5.15.8+dfsg-11+deb12u2
ii libqt5dbus5 5.15.8+dfsg-11+deb12u2
ii libqt5gui5 5.15.8+dfsg-11+deb12u2
ii libqt5network5 5.15.8+dfsg-11+deb12u2
ii libqt5qml5 5.15.8+dfsg-3
ii libqt5quick5 5.15.8+dfsg-3
ii libqt5webview5 5.15.8-2+b1
ii libqt5widgets5 5.15.8+dfsg-11+deb12u2
ii libstdc++6 12.2.0-14
ii packagekit 1.2.6-5
ii plasma-discover-common 5.27.5-2
ii qml-module-org-kde-kcoreaddons 5.103.0-1
ii qml-module-org-kde-kirigami2 5.103.0-1
ii qml-module-org-kde-kquickcontrols 5.103.0-1
ii qml-module-org-kde-kquickcontrolsaddons 5.103.0-1
ii qml-module-org-kde-qqc2desktopstyle 5.103.0-1
ii qml-module-qtquick-dialogs 5.15.8-2

Versions of packages plasma-discover recommends:
ii apt-config-icons-hidpi 0.16.1-2
ii apt-config-icons-large 0.16.1-2
ii apt-config-icons-large-hidpi 0.16.1-2
ii kde-config-updates 5.27.5-2
ii plasma-discover-backend-fwupd 5.27.5-2
ii software-properties-qt 0.99.30-4.1~deb12u1

Versions of packages plasma-discover suggests:
pn plasma-discover-backend-flatpak <none>

-- no debconf information

When launching Plasma Discover and switching to fullscreen mode, a thin line or gap appears at the bottom of the screen. This issue occurs only in Discover – other KDE applications like Dolphin, Firefox, and Konsole do not exhibit this Ran Discover with debug logging (QT_LOGGING_RULES="*=true" plasma-discover) → The issue remained in all tests, indicating that it is not related to graphics Plasma Discover should behave like other KDE applications in fullscreen mode, Plasma Discover should function like other KDE applications in fullscreen mode, APT policy: (500, 'stable-updates'), (500, 'stable-security'), (500, 'proposed-updates'), (500, 'stable') Locale: LANG=de_DE.UTF-8, LC_CTYPE=de_DE.UTF-8 (charmap=UTF-8), LANGUAGE not set

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