Comment by pjmlp

Kind of, with the difference that it has been in production since 2015 on Solaris SPARC systems, granted they aren't as widespread as they once were.

Sometimes the perfect is enemy from good, none of the memory tagging solutions has achieved mainstream widespread adoption outside iDevices.

Google apparently doesn't want to anger Android OEMs demanding it to be required by Android, thus it remains a Pixel only feature.

CHERI and OMA are going to still take years for mainstream adoption if ever comes to it.

I had hopes for whatever Microsoft was doing in CHERIoT to eventually come to Windows in some fashion, but best it has happened seems to be the adoption of Pluton in CoPilot+ PC, which anyway serves a different purpose.