Just curious on this one and it's not a specific case, so maybe tempting fate

Knowing that the 4.4 SDV8 engine is no longer available what happens to those of us with LR extended warranties if there is a major engine failure?

Ordinarily, the warranty would pay for replacement but if they cannot source the parts what happens? Do they just walk away or maybe offer an equivalent cash payment in place of the repair?. The warranty info doesn't seem to mention lack of parts. 2017 4.4 SDV8 Autobiography
2012 4.4 TDV8 Westminster - Gone, but not forgotten

Dealer buy back at market value, there's a field full of 4.4's they've bought back. Apparently LR have commissioned Ford to build a limited run of engines to service these and future failures. L405 SV Autobiography LWB SDV8, finished in Aston Martin China Grey by ETO division.