Following a meeting today between the clubs via online links the following changes where announced

Return of the Copa do Brasil with 64 teams running between May 14 and November 19. Audax/Corinthians won the last edition in 2016.
Serie A1 will continue with 16 teams but with 2 relegated teams and 4 will be promoted from A2
Serie A2 continues with 16 teams this season (19/04 to 30/08)
Serie A3 has 32 teams starting in a group format (26/04 to 05/07)
The season will commence with the Super Cup on March 2
Serie A1 will commence on March 16
Also the Brazilian Under-17, Under-20 and the Women’s Development League in the Under-16 and Under-14 categories.
The state championships to be played between August 3 and December 14.
2025 Calendar – Women’s Football
Women’s Super Cup: 2/3 to 9/3
Under-16 and Under-14 Development League: 28/3 to 3/4
Women’s Brazilian A1: 16/3 to 14/9
Under-20 Brazilian: 5/6 to 21/8
Under-17 Brazilian: 7/6 to 16/8
Women’s Brazilian Cup: 14/5 to 19/11
SUPERCOPA DO BRASIL
Participants
3B da Amazônia (AM)
Bahia (BA)
Cruzeiro (MG)
Grêmio (RS)
Flamengo (RJ)
Real Brasília (DF)
Sport (PE)
Corinthians (SP)