Malta has published draft law of new amendments to its nationality law following the CJEU ruling, the amendments completely repeal all the investor-based routes from the law and simply revise the language around granting citizenship for exceptional services to be based on merit, with no specifics on whom it applies.
So it appears that Malta intends to keep the possibility of acquiring its citizenship open to people making large donations in its economy in health, education or science and cultural sectors but in a non-codified and completely discretionary process that is also accessible to other individuals such as scientists, athletes and high performers in their field.