WHAT DOES DJI AIRSPACE FREEDOM NO MORE GEOFENCING MEAN?

Hey! Does anyone know the place should really i hunt for Formal (authentic) no drone fly zones map of British isles (London)? I come across a great deal of maps online, applications, and many others. But all of them are diverse and all say that you should check for Formal map as This can be just theit have just one and the real zones may very well