In Code Geas: Lelouch of the Re;surrection (2019), Lelouch is revealed to be alive and the next C.C. This is because every spinoff failed and they decided to just make “the crane means immortality” b.s. (a line fans parroted about a random paper crane shown at the ending) actually true.
They even let him keep his Geass despite the fact that you're supposed to lose it when becoming a Witch! ...