Comment 84 for bug 39376

(In reply to Martin M from comment #72)
> (In reply to Méven from comment #70)
> > Are people still interested in this feature ?
> >
> > There a mimetype x-trash that seems to cover most extensions you are
> > referring to.
> > And this is editable using `keditfiletype5 application/x-trash`
> >
> > It might only come with Dolphin with KF6 though.
>
> Yes, but how to specify that that mimetype should be hidden by Dolphin?

It wasn't clear.
I was suggesting it could be built-in (as suggested x-trash), like having a checkbox "[x] also hide application/x-trash files when hiding files".

A built-in mime-type has the advantage of being easier to implement and less complexity exposed to the user.
Since the mimetype extension association is editable by users, power users will be able to leverage it, although less easily than if it was in the config UI directly.