Digikam 8.0.0 in Ubuntu Lunar (in Docker container) segfaults in QObject::removeEventFilter when closing modal dialogs

[Tobias Langner]

> This problem is known and already fixed in 8.1.0. Switch immediately
> to the last stable to solve the problem
Thanks, this indeed fixed the problem. I believe I had observed several 
issues with version 7.x so I presumed that something was wrong with my 
setup, hence I never tried out a newer version. Sorry about that.