Comment # 5 on bug 1217118 from Fabian Vogt

(In reply to Franck Bui from comment #4)
> (In reply to Fabian Vogt from comment #3)
> > uaccess would be enough to allow the usual use through logged in users and
> > applications, would however break GPU acceleration through su to another
> > user, ssh or libvirt virtio-gpu OOTB.
> 
> Are these use cases common enough or can we assume that users should rely on
> the "render" group when needed ?

Worth a try. If it breaks too much, it can be changed back again.

IMO it should be documented at least and in the case of TW also announced.