For those that have not already been sent the update please see below details of the govt. updated ‘jobs that qualify for travel exemptions’.  The main change is for Pilot and Crew arriving from red list countries no longer needing to hotel quarantine.

https://www.gov.uk/government/publications/coronavirus-covid-19-travellers-exempt-from-uk-border-rules/coronavirus-covid-19-travellers-exempt-from-uk-border-rules