Rosetta for PPC apps was supported from the first Intel Macs released in January 2006 until 10.7 Lion was released in July 2011.
Rosetta for PPC apps was supported from the first Intel Macs released in January 2006 until 10.7 Lion was released in July 2011.
So just over five years? If Apple phase out Rosetta 2 in macOS 28, then it will have been supported for seven years.