Apple Intelligence on Vision Pro in visionOS 2.4, via @markgurman — confirmed
Reported on Feb 15, 2025 for April; Apple shipped Apple Intelligence on Vision Pro on March 31, 2025.
Leaked on 15 February 2025

On Feb 15, 2025, @markgurman posted that Apple planned to bring Apple Intelligence, a new spatial content app and a revamped guest mode to the Vision Pro in visionOS 2.4, due in April with a beta that week. (source: Bloomberg)
Apple announced on March 31, 2025 that Apple Intelligence was available on Vision Pro that day with visionOS 2.4. TechCrunch covered the release the same day.
Confirmed. The release landed on March 31, a day before the April window in the post.