I think Red Bull Powertrains / RBPT should at least be an accepted answer, if not changed to be the correct answer alltogether, even though Honda is "technically" the engine supplier
Red Bull has been using RBPT engines since 2022. Granted, it was a development of an existing Honda unit, but officially Honda has not been the engine provider for Red Bull since 2021. Also, Horner no longer in the paddock and the DRS system is discontinued.
Plus McLaren now holds the fastest pit stop record