https://gbatemp.net/threads/the-nintendo-switch-2-has-been-delayed-to-2025-according-to-reports.648812/

If this is accurate then estimated release of Animal Crossing New Gen(Hope it won't have "new" in the title again).

Teaser video
2026

Estimated release window
Summer 2027 (likely not)
Summer 2028
March/April 2029