Re: downgrade qt version from 5 to 4

[Christian Britz]

On 10.11.21 at 09:37 lina wrote:
> I intend to downgrade qt5 to qt4. 

Don't do it. You will probably ruin your system. Many packages depend on
qt5.
As others suggested, you migh try running an older version of Debian
inside a virtual machine.