Comment # 18 on bug 1230296 from Michael Andres

(In the testcase I don't see inappropriate multiversion installs anymore.
That's good.)

Trying a dup shows a bunch of conflicts, which may lead to the deletion of
packages.

Some e.g. around QT and krita:
> krita-5.2.3-1.1.x86_64                (99)openSUSE:repo-oss  b1719582053  openSUSE
>                                       req: libQt5Gui.so.5(Qt_5.15.14_PRIVATE_API)(64bit)
> krita-5.2.3-1.1.x86_64                (99)@System            i1719915453  openSUSE
>                                       req: libQt5Gui.so.5(Qt_5.15.14_PRIVATE_API)(64bit)
The installed krita  (@System but also available in openSUSE:repo-oss) requires
"libQt5Gui.so.5(Qt_5.15.14_PRIVATE_API)(64bit)".

> libQt5Gui5-5.15.15+kde127-1.1.x86_64  (99)openSUSE:repo-oss  b1725480115  openSUSE
>                                       nam: libQt5Gui5
> libQt5Gui5-5.15.14+kde143-1.2.x86_64  (99)@System            i1722924671  openSUSE
>                                       nam: libQt5Gui5
>                                       pro: libQt5Gui.so.5(Qt_5.15.14_PRIVATE_API)(64bit)
This requirement is provided by the installed libQt5Gui5-5.15.14+kde143,
however not by the libQt5Gui5-5.15.15+kde127 in openSUSE:repo-oss.

Dup has to update libQt5Gui5 but at the same time this will break krita.


To me it appears to be an issue in Tumbleweed itself!

If I try to install krita in my TW VM is see the same issue:
> 88063469fb98:/ # zypper in krita
> Problem: 1: nothing provides 'libQt5Gui.so.5(Qt_5.15.14_PRIVATE_API)(64bit)' 
>             needed by the to be installed krita-5.2.3-1.1.x86_64
>  Solution 1: do not install krita-5.2.3-1.1.x86_64
>  Solution 2: break krita-5.2.3-1.1.x86_64 by ignoring some of its dependencies

The package is not installable in TW 20240910. 

I'd suggest not to update until this is resolved in TW. 
I'll forward the bug to the KDE maintainers (bugowner of krita)
(But in general TW should try to make sure all shipped packages are
installable)