>>64195242
Isn't that basically a custom EJ200 for the UK's combat air demonstrator?
https://aviationweek.com/defense/aircraft-propulsion/uk-advances-tempest-demonstrator-toward-2027-first-flight

From what I understand, in the trilateral program, a new engine demonstrator is being built
https://www.janes.com/osint-insights/defence-news/defence/gcap-engine-demonstrator-progresses-in-design

which is based on the UK-Japan joint engine demonstrator (pic related)