Problem after update, Show Alternative doesn't work

TL;DR: When I click show alternative something nothing happens, most of the time I get a empty window appearing (with no icons) and quickly going back down, sometimes it works I even managed to open two instances of the “show alternative”.

So I last updated the 2nd of July, and today (22/08) of course, while updating dolphin threw me an error along the lines of couldn’t create io something, which according to the internet can happens when you update and can be fixed by restarting which I did (after updating).

First thing I noticed the wallpaper of the login screen was different, took me a little while (after messing my theme up in hope of fixing it) but I ended going to startup and shutdown in the settings then login screen (SDDM) and then change backgrounds.
I don’t think that was either; supposed to happen, or not an oversight.

Anyway after that I discovered that the show alternative menus now doesn’t work when I click on it most of the time a empty window (literally just a “themed” square, no buttons, icons or anything) pops up and goes back down almost instantly, sometimes nothing happens and there is nothing that pop ups, and rarely (I couldn’t establish a pattern) it works one time I even managed to open two instances of it (on two different “ui parts” not the same one), I don’t know if that’s intended behavior or not.

EDIT:I restarted yet again, and I was thinking that night colors used to be active before at login, don’t know if I’m imagining things, anyway so I went and switched the login screen, and switched from breath2 to breeze and back to breath2 and it changed my background again ! Not only that but the breath2 thumbnail and preview doesn’t match how it looks the text and ui elements are dark and it show a gray manjaro background with a green arrows on each side (like it used to be before the update), whereas in reality when I log in it’s that damn mountain background again (which is slight different from the “polygonal” breeze one) and the text ui elements are white just like the breeze one.
EDIT2:Just realized that the preview is not dynamic, not only that but the background I used to have wasn’t the preview one, it was still a grey/green manjaro one so close enough, I ended downgrading the
sddm-breath2-theme package to what I had before, that damn moutain is gone, and I don’t know if I was imagining things for the white text too at this point.
After searching online I found out about the “plasmashell --replace” command, when nothing happens when I try to open the alternative menu, there’s nothing being logged in the terminal, when the window pops up and goes down, there was a TODO about lists being logged (unfortunately I tried restarting a few times, and now when I click show alternative it doesn’t display anything almost exclusively and doesn’t want to do the quick pop up and down thing anymore, so I don’t have the exact log).
I also get a ton of (probably not good) stuff being logged don’t know if that’s normal.

It’s probably best to navigate the following sections with Ctrl+F.

Here’s a (edited down to anything that might be relevant) list of packages updated:

upgraded sddm-kcm (5.21.5-1 -> 5.22.4-1)
upgraded sddm-breath2-theme (1.0.13-1 -> 1.0.18-5)
upgraded qt5-tools (5.15.2+kde+r17-2 -> 5.15.2+kde+r17-3)
upgraded qt5-script (5.15.2-1 -> 5.15.5-2)
upgraded plasma-workspace-wallpapers (5.21.5-1 -> 5.22.4-1)
upgraded plasma-pa (5.21.5-1 -> 5.22.4-1)
upgraded pulseaudio (14.2-3 -> 15.0-1)
upgraded plasma-nm (5.21.5-1 -> 5.22.4-1)
upgraded plasma-desktop (5.21.5-1 -> 5.22.4-1)
upgraded manjaro-settings-manager-knotifier (0.5.6-14 -> 0.5.6-15)
upgraded manjaro-settings-manager-kcm (0.5.6-14 -> 0.5.6-15)
upgraded manjaro-settings-manager (0.5.6-14 -> 0.5.6-15)
upgraded manjaro-release (21.0.7-1 -> 21.1.0-1)
upgraded manjaro-kde-settings (20200804-1 -> 20210813-2)
upgraded plasma5-themes-breath2 (1.0.13-1 -> 1.0.18-5)
upgraded pamac-gtk (10.0.6-2 -> 10.1.3-3)
upgraded libxfont2 (2.0.4-3 -> 2.0.5-1)
upgraded kwayland-integration (5.21.5-1 -> 5.22.4-1)
upgraded kwalletmanager (21.04.1-1 -> 21.08.0-1)
upgraded kwallet-pam (5.21.5-1 -> 5.22.4-1)
upgraded ksystemlog (21.04.1-1 -> 21.08.0-1)
upgraded ksysguard (5.21.5-1 -> 5.22.0-1)
upgraded ksshaskpass (5.21.5-1 -> 5.22.4-1)
upgraded kscreen (5.21.5-1 -> 5.22.4-1)
upgraded kpmcore (21.04.1-1 -> 21.08.0-1)
upgraded konsole (21.04.1-1 -> 21.08.0-2)
upgraded kmenuedit (5.21.5-1 -> 5.22.4-1)
upgraded kinit (5.82.0-1 -> 5.85.0-1)
upgraded kinfocenter (5.21.5-1 -> 5.22.4-1)
upgraded kimageformats (5.82.0-2 -> 5.85.0-1)
upgraded khotkeys (5.21.5-1 -> 5.22.4-1)
upgraded khelpcenter (21.04.1-1 -> 21.08.0-1)
upgraded khtml (5.82.0-1 -> 5.85.0-1)
upgraded kjs (5.82.0-1 -> 5.85.0-1)
upgraded kgamma5 (5.21.5-1 -> 5.22.4-1)
upgraded kdeplasma-addons (5.21.5-1 -> 5.22.4-1)
upgraded plasma-workspace (5.21.5-1 -> 5.22.4-3)
upgraded libkscreen (5.21.5-1 -> 5.22.4-1)
upgraded plasma-integration (5.21.5-1 -> 5.22.4-1)
upgraded kwin (5.21.5-1 -> 5.22.4-1)
upgraded kwayland-server (5.21.5-1 -> 5.22.4-1)
upgraded kscreenlocker (5.21.5-1 -> 5.22.4-1)
installed layer-shell-qt (5.22.4-1)
upgraded kdelibs4support (5.82.0-1 -> 5.85.0-1)
upgraded kemoticons (5.82.0-1 -> 5.85.0-1)
upgraded kunitconversion (5.82.0-1 -> 5.85.0-1)
upgraded kdegraphics-thumbnailers (21.04.1-1 -> 21.08.0-1)
upgraded qqc2-desktop-style (5.82.0-1 -> 5.85.0-1)
upgraded kde-gtk-config (5.21.5-1 -> 5.22.4-1)
upgraded kaccounts-integration (21.04.1-1 -> 21.08.0-1)
upgraded qt5-webengine (5.15.4-3 -> 5.15.5-1)
upgraded xdg-desktop-portal-kde (5.21.5-1 -> 5.22.4-1)
upgraded plasma-framework (5.82.0-1 -> 5.85.0-2)
upgraded kactivities (5.82.0-1 -> 5.85.0-1)
upgraded kcmutils (5.82.0-1 -> 5.85.0-1)
upgraded kio-extras (21.04.1-2 -> 21.08.0-1)
upgraded kdsoap-ws-discovery-client (git20200927-1 -> git20200927-2)
upgraded kdsoap (1.10.0-1 -> 2.0.0-1)
upgraded breeze (5.21.5-2 -> 5.22.4-1)
upgraded kwayland (5.82.0-1 -> 5.85.0-1)
upgraded breeze-icons (5.82.0-1 -> 5.85.0-1)
upgraded kdecoration (5.21.5-1 -> 5.22.4-1)
upgraded breath2-wallpaper (1.0.13-1 -> 1.0.18-5)
upgraded breath2-icon-themes (1.0.13-1 -> 1.0.18-5)
upgraded kdeclarative (5.82.0-1 -> 5.85.0-1)
upgraded kpackage (5.82.0-1 -> 5.85.0-1)
upgraded bluez-qt (5.82.0-1 -> 5.85.0-1)
upgraded baloo-widgets (21.04.1-1 -> 21.08.0-1)
upgraded kpty (5.82.0-1 -> 5.85.0-1)
upgraded kparts (5.82.0-1 -> 5.85.0-1)
upgraded kio (5.82.0-1 -> 5.85.0-1)
upgraded kded (5.82.0-1 -> 5.85.0-1)
upgraded ktextwidgets (5.82.0-1 -> 5.85.0-1)
upgraded kcompletion (5.82.0-1 -> 5.85.0-1)
upgraded kwallet (5.82.0-1 -> 5.85.0-1)
upgraded kservice (5.82.0-1 -> 5.85.0-1)
upgraded knotifications (5.82.0-1 -> 5.85.0-1)
upgraded kbookmarks (5.82.0-1 -> 5.85.0-1)
upgraded kxmlgui (5.82.0-1 -> 5.85.0-1)
upgraded kiconthemes (5.82.0-1 -> 5.85.0-1)
upgraded karchive (5.82.0-1 -> 5.85.0-1)
upgraded kitemviews (5.82.0-1 -> 5.85.0-1)
upgraded kconfigwidgets (5.82.0-1 -> 5.85.0-1)
upgraded ki18n (5.82.0-1 -> 5.85.0-1)
upgraded kguiaddons (5.82.0-1 -> 5.85.0-1)
upgraded qt5-wayland (5.15.2+kde+r23-1 -> 5.15.2+kde+r29-1)
upgraded qt5-declarative (5.15.2+kde+r28-1 -> 5.15.2+kde+r29-1)
upgraded kcodecs (5.82.0-1 -> 5.85.0-1)
upgraded kauth (5.82.0-1 -> 5.85.0-1)
upgraded polkit-qt5 (0.113.0-2 -> 0.114.0-1)
upgraded kglobalaccel (5.82.0-1 -> 5.85.0-1)
upgraded kcrash (5.82.0-1 -> 5.85.0-1)
upgraded kwindowsystem (5.82.0-1 -> 5.85.0-1)
upgraded kconfig (5.82.0-1 -> 5.85.0-1)
upgraded kdbusaddons (5.82.0-1 -> 5.85.0-1)
upgraded kjobwidgets (5.82.0-1 -> 5.85.0-1)
upgraded kwidgetsaddons (5.82.0-1 -> 5.85.0-1)
upgraded kcoreaddons (5.82.0-1 -> 5.85.0-1)
upgraded qt5-base (5.15.2+kde+r196-1 -> 5.15.2+kde+r215-1)
upgraded fontconfig (2:2.13.93-4 -> 2:2.13.94-1)

Here’s the plasmashell --replace log, edited so no lines repeat:

kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/kcm_kwintabbox.so" does not have a valid 'MetaData' object
kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/libkcm_device_automounter.so" does not have a valid 'MetaData' object
kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/kcm_netpref.so" does not have a valid 'MetaData' object
kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/kcm_proxy.so" does not have a valid 'MetaData' object
kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/kcm_devinfo.so" does not have a valid 'MetaData' object
kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/kcm_fontinst.so" does not have a valid 'MetaData' object
kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/okularpart.so" does not have a valid 'MetaData' object
kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/kcm_usb.so" does not have a valid 'MetaData' object
kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/kcm_krunner_charrunner.so" does not have a valid 'MetaData' object
kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/kfontviewpart.so" does not have a valid 'MetaData' object
kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/kcm_kdeconnect.so" does not have a valid 'MetaData' object
kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/kcm_about_distro.so" does not have a valid 'MetaData' object
kf.coreaddons: no metadata found in "/usr/lib/qt/plugins/blenderthumbnail.so" "Failed to extract plugin meta data from '/usr/lib/qt/plugins/blenderthumbnail.so'"
kf.coreaddons: no metadata found in "/usr/lib/qt/plugins/audiothumbnail.so" "Failed to extract plugin meta data from '/usr/lib/qt/plugins/audiothumbnail.so'"
kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/kcm_trash.so" does not have a valid 'MetaData' object
kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/kdeconnect_runcommand_config.so" does not have a valid 'MetaData' object
kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/libplasmanetworkmanagement_openconnectui.so" does not have a valid 'MetaData' object
kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/kcm_krunner_kill.so" does not have a valid 'MetaData' object
kf.coreaddons: no metadata found in "/usr/lib/qt/plugins/djvuthumbnail.so" "Failed to extract plugin meta data from '/usr/lib/qt/plugins/djvuthumbnail.so'"
kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/kcm_activities.so" does not have a valid 'MetaData' object
kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/kcm_hotkeys.so" does not have a valid 'MetaData' object
kf.coreaddons: no metadata found in "/usr/lib/qt/plugins/textthumbnail.so" "Failed to extract plugin meta data from '/usr/lib/qt/plugins/textthumbnail.so'"
kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/attica_kde.so" does not have a valid 'MetaData' object
kf.coreaddons: no metadata found in "/usr/lib/qt/plugins/ffmpegthumbs.so" "Failed to extract plugin meta data from '/usr/lib/qt/plugins/ffmpegthumbs.so'"
kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/plasma-geolocation-gps.so" does not have a valid 'MetaData' object
kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/kcm_kwinscreenedges.so" does not have a valid 'MetaData' object
kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/kcm_printer_manager.so" does not have a valid 'MetaData' object
kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/kcm_keyboard.so" does not have a valid 'MetaData' object
kf.coreaddons: no metadata found in "/usr/lib/qt/plugins/cursorthumbnail.so" "Failed to extract plugin meta data from '/usr/lib/qt/plugins/cursorthumbnail.so'"
kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/kcm_info.so" does not have a valid 'MetaData' object
kf.coreaddons: no metadata found in "/usr/lib/qt/plugins/kio_fonts.so" "Failed to extract plugin meta data from '/usr/lib/qt/plugins/kio_fonts.so'"
kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/kcm_kgamma.so" does not have a valid 'MetaData' object
kf.coreaddons: no metadata found in "/usr/lib/qt/plugins/fontthumbnail.so" "Failed to extract plugin meta data from '/usr/lib/qt/plugins/fontthumbnail.so'"
kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/msm_timedate.so" does not have a valid 'MetaData' object
kf.coreaddons: no metadata found in "/usr/lib/qt/plugins/kio_bluetooth.so" "Failed to extract plugin meta data from '/usr/lib/qt/plugins/kio_bluetooth.so'"
kf.coreaddons: no metadata found in "/usr/lib/qt/plugins/gsthumbnail.so" "Failed to extract plugin meta data from '/usr/lib/qt/plugins/gsthumbnail.so'"
kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/kfileaudiopreview.so" does not have a valid 'MetaData' object
kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/msm_locale.so" does not have a valid 'MetaData' object
kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/baloofilepropertiesplugin.so" does not have a valid 'MetaData' object
kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/kcm_dolphingeneral.so" does not have a valid 'MetaData' object
kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/kcm_krunner_dictionary.so" does not have a valid 'MetaData' object
kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/kcm_systemd.so" does not have a valid 'MetaData' object
kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/powerdevilhandlebuttoneventsaction_config.so" does not have a valid 'MetaData' object
kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/kcm_view1394.so" does not have a valid 'MetaData' object
kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/kdeconnect_pausemusic_config.so" does not have a valid 'MetaData' object
kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/kcm_powerdevilactivitiesconfig.so" does not have a valid 'MetaData' object
kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/powerdevilrunscriptaction_config.so" does not have a valid 'MetaData' object
kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/kcm_joystick.so" does not have a valid 'MetaData' object
kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/kstyle_oxygen_config.so" does not have a valid 'MetaData' object
kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/kcm_pci.so" does not have a valid 'MetaData' object
kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/kcm_memory.so" does not have a valid 'MetaData' object
kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/kcm_plasmasearch.so" does not have a valid 'MetaData' object
kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/kcm_powerdevilglobalconfig.so" does not have a valid 'MetaData' object
kf.coreaddons: no metadata found in "/usr/lib/qt/plugins/rawthumbnail.so" "Failed to extract plugin meta data from '/usr/lib/qt/plugins/rawthumbnail.so'"
kf.coreaddons: no metadata found in "/usr/lib/qt/plugins/comicbookthumbnail.so" "Failed to extract plugin meta data from '/usr/lib/qt/plugins/comicbookthumbnail.so'"
kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/kdeconnect_sendnotifications_config.so" does not have a valid 'MetaData' object
kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/msm_language_packages.so" does not have a valid 'MetaData' object
kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/kcm_opengl.so" does not have a valid 'MetaData' object
kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/kcm_kamera.so" does not have a valid 'MetaData' object
kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/kcm_webshortcuts.so" does not have a valid 'MetaData' object
kf.coreaddons: no metadata found in "/usr/lib/qt/plugins/kritathumbnail.so" "Failed to extract plugin meta data from '/usr/lib/qt/plugins/kritathumbnail.so'"
kf.coreaddons: no metadata found in "/usr/lib/qt/plugins/ebookthumbnail.so" "Failed to extract plugin meta data from '/usr/lib/qt/plugins/ebookthumbnail.so'"
kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/msm_users.so" does not have a valid 'MetaData' object
kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/kcm_cookies.so" does not have a valid 'MetaData' object
kf.coreaddons: no metadata found in "/usr/lib/qt/plugins/windowsimagethumbnail.so" "Failed to extract plugin meta data from '/usr/lib/qt/plugins/windowsimagethumbnail.so'"
kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/kcm_dolphinnavigation.so" does not have a valid 'MetaData' object
kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/msm_mhwd.so" does not have a valid 'MetaData' object
kf.coreaddons: no metadata found in "/usr/lib/qt/plugins/jpegthumbnail.so" "Failed to extract plugin meta data from '/usr/lib/qt/plugins/jpegthumbnail.so'"
kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/kcm_clock.so" does not have a valid 'MetaData' object
kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/kcm_dolphinviewmodes.so" does not have a valid 'MetaData' object
kf.coreaddons: no metadata found in "/usr/lib/qt/plugins/exrthumbnail.so" "Failed to extract plugin meta data from '/usr/lib/qt/plugins/exrthumbnail.so'"
kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/kcm_kwintouchscreen.so" does not have a valid 'MetaData' object
kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/kcm_networkmanagement.so" does not have a valid 'MetaData' object
kf.coreaddons: no metadata found in "/usr/lib/qt/plugins/imagethumbnail.so" "Failed to extract plugin meta data from '/usr/lib/qt/plugins/imagethumbnail.so'"
kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/powerdevildimdisplayaction_config.so" does not have a valid 'MetaData' object
kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/plasma-geolocation-ip.so" does not have a valid 'MetaData' object
kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/kcm_solid_actions.so" does not have a valid 'MetaData' object
kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/msm_kernel.so" does not have a valid 'MetaData' object
kf.coreaddons: no metadata found in "/usr/lib/qt/plugins/svgthumbnail.so" "Failed to extract plugin meta data from '/usr/lib/qt/plugins/svgthumbnail.so'"
kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/kwincompositing.so" does not have a valid 'MetaData' object
kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/kcm_kwallet5.so" does not have a valid 'MetaData' object
kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/kstyle_breeze_config.so" does not have a valid 'MetaData' object
kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/kcm_krunner_spellcheck.so" does not have a valid 'MetaData' object
kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/powerdevilwirelesspowersavingaction_config.so" does not have a valid 'MetaData' object
kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/msm_keyboard.so" does not have a valid 'MetaData' object
kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/powerdevildpmsaction_config.so" does not have a valid 'MetaData' object
kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/kcm_filetypes.so" does not have a valid 'MetaData' object
kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/kded_touchpad.so" does not have a valid 'MetaData' object
kf.coreaddons: no metadata found in "/usr/lib/qt/plugins/kio_obexftp.so" "Failed to extract plugin meta data from '/usr/lib/qt/plugins/kio_obexftp.so'"
kf.coreaddons: no metadata found in "/usr/lib/qt/plugins/windowsexethumbnail.so" "Failed to extract plugin meta data from '/usr/lib/qt/plugins/windowsexethumbnail.so'"
kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/kcm_kwinoptions.so" does not have a valid 'MetaData' object
kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/powerdevilbrightnesscontrolaction_config.so" does not have a valid 'MetaData' object
kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/kdeconnect_findthisdevice_config.so" does not have a valid 'MetaData' object
kf.coreaddons: no metadata found in "/usr/lib/qt/plugins/opendocumentthumbnail.so" "Failed to extract plugin meta data from '/usr/lib/qt/plugins/opendocumentthumbnail.so'"
kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/miloutextplugin.so" does not have a valid 'MetaData' object
kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/kcm_desktoppaths.so" does not have a valid 'MetaData' object
kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/kcm_kwin_scripts.so" does not have a valid 'MetaData' object
kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/powerdevilkeyboardbrightnesscontrolaction_config.so" does not have a valid 'MetaData' object
kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/kcmspellchecking.so" does not have a valid 'MetaData' object
kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/kcm_powerdevilprofilesconfig.so" does not have a valid 'MetaData' object
kf.coreaddons: no metadata found in "/usr/lib/qt/plugins/appimagethumbnail.so" "Failed to extract plugin meta data from '/usr/lib/qt/plugins/appimagethumbnail.so'"
kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/libkcm_qtquicksettings.so" does not have a valid 'MetaData' object
kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/powerdevilsuspendsessionaction_config.so" does not have a valid 'MetaData' object
kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/kcm_mouse.so" does not have a valid 'MetaData' object
kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/kcm_ssl.so" does not have a valid 'MetaData' object
kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/kdeconnect_share_config.so" does not have a valid 'MetaData' object
kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/kcm_smb.so" does not have a valid 'MetaData' object
kf.plasma.quick: Applet preload policy set to 1
kf.coreaddons: no metadata found in "/usr/lib/qt/plugins/kf5/kio/applications.so" "Failed to extract plugin meta data from '/usr/lib/qt/plugins/kf5/kio/applications.so'"
kf.coreaddons: no metadata found in "/usr/lib/qt/plugins/kf5/kio/desktop.so" "Failed to extract plugin meta data from '/usr/lib/qt/plugins/kf5/kio/desktop.so'"
file:///usr/share/plasma/packages/org.kde.desktoptoolbox/contents/ui/ToolBoxButton.qml:223: TypeError: Cannot read property 'text' of null
trying to show an empty dialog
file:///usr/share/plasma/shells/org.kde.plasma.desktop/contents/views/Desktop.qml:146:19: QML Loader: Binding loop detected for property "height"
qt.svg: <input>:406:376: Could not add child element to parent element because the types are incorrect.
qt.svg: <input>:407:130: Could not add child element to parent element because the types are incorrect.
qt.svg: <input>:408:130: Could not add child element to parent element because the types are incorrect.
qt.svg: <input>:408:393: Could not add child element to parent element because the types are incorrect.
qt.svg: <input>:409:130: Could not add child element to parent element because the types are incorrect.
qt.svg: <input>:410:129: Could not add child element to parent element because the types are incorrect.
qt.svg: <input>:411:129: Could not add child element to parent element because the types are incorrect.
qt.svg: <input>:412:129: Could not add child element to parent element because the types are incorrect.
qt.svg: <input>:413:129: Could not add child element to parent element because the types are incorrect.
qt.svg: <input>:413:379: Could not add child element to parent element because the types are incorrect.
qt.svg: <input>:413:631: Could not add child element to parent element because the types are incorrect.
file:///usr/share/plasma/plasmoids/org.kde.plasma.digitalclock/contents/ui/DigitalClock.qml:531:9: QML Label: Binding loop detected for property "height"
file:///usr/share/plasma/plasmoids/org.kde.plasma.digitalclock/contents/ui/DigitalClock.qml:486:13: QML Label: Binding loop detected for property "height"
Entry is not valid "applications:org.kde.konversation.desktop" QSharedPointer(0x5561841fa490)
Entry is not valid "applications:org.kde.konversation.desktop" QSharedPointer(0x556184461460)
file:///usr/share/plasma/plasmoids/org.kde.panel/contents/ui/main.qml:30:1: QML DropArea (parent or ancestor of QQuickLayoutAttached): Binding loop detected for property "minimumWidth"
file:///usr/share/plasma/plasmoids/org.kde.plasma.digitalclock/contents/ui/DigitalClock.qml:553:5: QML Label: Binding loop detected for property "height"
file:///usr/share/plasma/shells/org.kde.plasma.desktop/contents/views/Panel.qml:213: Error: Invalid write to global property "prefix"
file:///usr/share/plasma/shells/org.kde.plasma.desktop/contents/views/Panel.qml:27:1: QML Panel: Binding loop detected for property "state"
Plasma Shell startup completed
libkcups: CUPS-Get-Printers last error: 1282 Bad file descriptor
libkcups: Create-Printer-Subscriptions last error: 1282 Bad file descriptor
libkcups: Request failed 1282 -1
libkcups: Get-Jobs last error: 1282 Bad file descriptor
Cyclic dependency detected between "file:///usr/share/plasma/plasmoids/org.kde.plasma.notifications/contents/ui/global/Globals.qml" and "file:///usr/share/plasma/plasmoids/org.kde.plasma.notifications/contents/ui/NotificationHeader.qml"
file:///usr/share/plasma/plasmoids/org.kde.plasma.battery/contents/ui/CompactRepresentation.qml:75:17: Unable to assign [undefined] to int
QFont::setPointSizeF: Point size <= 0 (0.000000), must be greater than 0
kf.coreaddons: Expected JSON property "NoDisplay" to be a single string. but it is a bool

I’ve lost quite a few hours to this, and it’s starting to get on my nerves so any help is appreciated.

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I have a lot of these logs without even touching anything plasma-related (not clicking any menu, toolbar, nothing, just firefox opened).

Since several days ago - my plasmashell process hangs each 20 minutes. Graphics updates stop as well as responsiveness for mouse clicking and KDE shortcuts. (Can still toggle programs with Ctrl+Tab and retract yakuake window). I can tell at what moment it frezes, because system tray’s clock stops there, but cannot find any logs in dmesg nor journalctl.

I have hundreds of these logs per each hour:

sie 24 21:56:52 kjr plasmashell[1226]: kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/kcm_keyboard.so" does not have a valid 'MetaData' object
sie 24 21:56:52 kjr plasmashell[1226]: kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/kcm_systemd.so" does not have a valid 'MetaData' object
sie 24 21:56:52 kjr plasmashell[1226]: kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/kwincompositing.so" does not have a valid 'MetaData' object
sie 24 21:56:52 kjr plasmashell[1226]: kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/kcm_kwintabbox.so" does not have a valid 'MetaData' object
sie 24 21:56:52 kjr plasmashell[1226]: kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/okularpart.so" does not have a valid 'MetaData' object
sie 24 21:56:52 kjr plasmashell[1226]: kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/kstyle_oxygen_config.so" does not have a valid 'MetaData' object
sie 24 21:56:52 kjr plasmashell[1226]: kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/kcm_krunner_spellcheck.so" does not have a valid 'MetaData' object
sie 24 21:56:52 kjr plasmashell[1226]: kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/kcm_webshortcuts.so" does not have a valid 'MetaData' object
sie 24 21:56:52 kjr plasmashell[1226]: kf.coreaddons: plugin metadata in "/usr/lib/qt/plugins/kcm_joystick.so" does not have a valid 'MetaData' object
(...)
sie 24 21:45:07 kjr plasmashell[1226]: Cyclic dependency detected between "file:///usr/share/plasma/plasmoids/org.kde.plasma.notifications/contents/ui/global/Globals.qml" and "file:///usr/share/plasma/plasmoids/org.kde.plasma.notifications/contents/ui/NotificationHeader.qml"
(...)
sie 24 17:53:29 kjr plasmashell[1224]: file:///usr/share/plasma/shells/org.kde.plasma.desktop/contents/views/Panel.qml:103: TypeError: Cannot read property 'enabledBorders' of null
sie 24 17:53:29 kjr plasmashell[1224]: file:///usr/share/plasma/shells/org.kde.plasma.desktop/contents/views/Desktop.qml:146:19: QML Loader: Binding loop detected for property "height"
sie 24 17:53:29 kjr plasmashell[1224]: file:///usr/share/plasma/shells/org.kde.plasma.desktop/contents/views/Desktop.qml:146:19: QML Loader: Binding loop detected for property "height"
sie 24 17:53:29 kjr plasmashell[1224]: trying to show an empty dialog
sie 24 17:53:29 kjr plasmashell[1224]: file:///usr/share/plasma/packages/org.kde.paneltoolbox/contents/ui/main.qml:37: TypeError: Cannot read property 'editMode' of null
sie 24 17:53:29 kjr plasmashell[1224]: file:///usr/share/plasma/packages/org.kde.paneltoolbox/contents/ui/main.qml:48: TypeError: Cannot read property 'editMode' of null
sie 24 17:53:29 kjr plasmashell[1224]: file:///usr/share/plasma/packages/org.kde.paneltoolbox/contents/ui/main.qml:103: TypeError: Cannot read property 'editMode' of null