not according to the Mirror report.
From next season, in the Championship, League One and League Two, teams will be able to name seven substitutes but only use a maximum of three.
There will also be concussion changes granted, if required in games.
https://www.mirror.co.uk/sport/football/news/efl-temporary-covid-rule-scrapped-24574101
interestingly, the 5 subs rule will be implemented in other countries as International Football Association Board has extended the 5 subs rule until the end of the 2021-22 season.