Casting has begun for HBO’s adaptation of Harry Potter. Children between 9 and 11 years old by April of 2025 are being considered for the main cast: Harry Potter, Hermione Granger, and Ron Weasley.
Source: https://app.castittalent.com/hpcasting
A specific release date is not currently available. The dates posted in the casting brief are between 2025-2026, indicating an increased likelihood of achieving the planned 2026 release date for the TV show.