System is rendered useless after Plasma 5.4.3 update KDEInit couldn't launch

[Kevin Kofler]

Sudhir Khanger wrote:
> Yep, that makes dnf undo or rollback useless but dnf devs think missing
> packages is not their problem in spite of the fact that it is a
> requirement for dnf rollback or undo to work. I don't know how that logic
> works for them.

A big part of the problem is the totally insane keepcache=0 default in 
Fedora. This is a CRITICAL DATA LOSS bug by design! keepcache MUST default 
to 1!

        Kevin Kofler