Premier League updated their tv selection date section as soon as they released the fixtures last week:
https://www.premierleague.com/news/4324684
Hopefully EFL do it as well, showing this still:
https://www.efl.com/how-to-watch/tv-game-selection-process/
This is what it was last season, article from July 6th 2024:
TV Change Dates for EFL Championship
Games August 9 to September 29: Already done.
Games October 1 to January 11: Prior to the start of the 2024-25 season, which is August 9. This is the really big change in EFL tv dates for the 2024-25 season.
For the rest of the season, they don’t guarantee these dates, but they are subject to a minimum notice — usually four weeks until the last two weeks of the season.
Games January 18 to January 25: December 18, 2024.
Games February 1 to 12: January 1, 2025.
Games February 22: January 22, 2025.
Games March 1: February 1, 2o25.
Games of March 8: February 8, 2025.
Games of March 11-15: February 11, 2025.
Games from March 29: March 1, 2025.
Games from April 5-9: March 5, 2025.
Games of April 12: March 12, 2025.
Games of April 18-21: March 18, 2025.
Games of April 26: March 26, 2025.
Games of May 3: April 3, 2025. This is the last day of the season, so all games will be at the same time. The announcement is simply which ones will be broadcast.
https://groundhopperguides.com/tv-change-dates-efl-championship/