Just got this via email: "To support all our registrars in outreach to their rights holders in the final weeks before the 25th June deadline, we will run a final Right of Registration promotion, supported by our broader awareness raising campaign.This will be a one-year free registration promotion which will be live from 3rd June until 14th June and open to all registrars. There will be no sign up required to participate in this promotion. Further information is available on Registrar Resources. " Looks like the number of domains up for grabs in the July release will drop significantly then. And July 2020 will be .uk heaven when everyone lets them expire!