FIM's Grand Prix Commission is set to approve a freeze to engine development in MotoGP until the new regulations come into force in 2027.
However, the two Japanese manufacturers, Honda and Yamaha - which currently benefit from the concession rules - will be exempt from the freeze, provided they do not achieve stronger results that might lead to a change in that exemption.
https://www.motorsport.com/motogp/news/fim-set-to-enforce-motogp-engine-freeze-until-2027/10653014/#:~:text=FIM's%20Grand%20Prix%20Commission%20is,of%20the%20season%20in%20Misano.