I can't find anything obvious on the H&I website. They basically give you a link to a "Where To Watch" page that points you to local OTR and cable channels.
RAF Tempesthttps://www.businessinsider.com/british-ministry-of-defense-updates-on-tempest-6th-generation-fighter-2020-12
These new engines are expected to be more efficient and powerful that past iterations, creating the significant power spurless Tempest will need to leverage directed energy weapons that are likely to come.