Hi,

On Fri, 25 Oct 2019 11:17:26 +0200
Leo Prikler <leo.prikler@student.tugraz.at> wrote:

> Caveat: Running `guix build meld` followed by `/gnu/store/.../bin/meld`
> will lead to a crash -- it seems GSettings is having some trouble.
> `guix environment --ad-hoc meld` should work, though.

Thanks!  I've pushed this fix since it's already improving things a lot!

It might make sense to investigate the other problem as well.
Could you open a bug about that by E-Mailing to bug-guix@gnu.org ?