Apple has regularly stated what languages its Apple Intelligence will support over the course of 2025, but it has now confirmed which ones are coming in April.
Apple originally introduced Apple Intelligence only for US English
Right at its launch, Apple said that Apple Intelligence would initially require US English, but then would expand to many other languages. While it later listed a selection of those, Apple has now stated which ones are coming next.
Specifically, in a note on its iPhone 16e launch press release, Apple says that: