> you may not impose any further restrictions on the recipients' exercise of the rights granted herein. Further restrictions probably aren't introduced if they

> you may not impose any further restrictions on the recipients' exercise of the rights granted herein. Further restrictions probably aren't introduced if they packaged this the right way i.e. not bind the GPL license with whatever agreement they will come up with. Sponsors will still have the same rights they are now used to, but GPL never speaks obligations on the distributor having to provide updated versions.