A week ago, the company engaged in the development of third-party firmware for Asics Braiins OS announced that all Asic miners on BM1387 chips from Bitmain (Antminer S9, S9i, S9j, T9, T9 +, R4) are able to support the publicly available Overt AsicBoost function, with which Asic miners consume less electricity by 13%. Yesterday, the Bitman company itself issued a press release with the statement that all new firmware for their miners will also officially support this technology. You can read this statement at this link. To date, new firmware for ANTminer S9 has not yet appeared