Most Plasma widgets broken, something about Qt?

I’m getting the error `libQt6Core5Compat.so.6: undefined symbol: _ZN14QUnicodeTables10propertiesEDs, version Qt_6` no matter what I do. I’ve tried reinstalling everything I can think of, from Plasma itself to Qt and its dependencies. Nothing’s worked.

Report to your distro. Packaging error forgot to rebuild some packages after udpating Qt.

My distro is KDE Neon. How do I report this?

Maybe you are hitting this bug?
512669 – KDE neon cannot upgrade to Plasma 6.5.3 due to mismatched Qt6/qt6-webengine versions causing KWin and Plasma packages to be held back or removed

I have no idea. I tried what was suggested, but no dice. Still broken.

hi, i can’t reproduce in a vm. though i think you may need to reinstall kdeplasma-addons, it looks like kicker dash is not installed. kdecontrolstation is a 3rd party applet but it looks like it cannot find the correct library from plasma-nm. please try and reinstall
plasma-nm

Nope, still no dice. I dunno what it is, I tried making a new user just in case my config was the issue, but nope, that user had the issues too. So it’s something deeper than that, but what??

Here’s the error as text:
```
qrc:/qt/qml/plasma/applet/org/kde/plasma/networkmanagement/main.qml:11:1: Cannot load library /usr/lib/x86_64-linux-gnu/qt6/qml/org/kde/plasma/networkmanagement/libplasmanm_internalplugin.so: /lib/x86_64-linux-gnu/libQt6Core5Compat.so.6: undefined symbol: _ZN14QUnicodeTables10propertiesEDs, version Qt_6
```

Maybe you’ll get something from this?

New info: it’s not just Plasma stuff broken, and I can’t install whatever this dependency is.

self built apps/plasmoids etc will need to be rebuilt against each new qt release

I fixed it! Turns out the entire time I had libQt6Core5Compat.so.6.11.0 instead of libQt6Core5Compat.so.6.10.1 and I had to manually remove the library myself to get apt to install the correct version. That was really annoying and weird.