The radio and telecommunications agency of Brazil, ANATEL published Resolution 708 which repeals various older resolutions. It declares the repeal of Resolutions issued by the National Agency that were implicitly revoked, or those which have not been effective.
This resolution entered into force on March 26th, 2019. The products that are currently being approved will not be affected and there is no expected change in the requirements for certifying products in Brazil.
The list of repealed Resolutions can be found here.