We intend to change the Sec-CH-UA-Platform value from "Mac OS X" to "macOS"


Based on feedback we got from Apple, it seems useful to update the legacy "Mac OS X" platform name to the current "macOS" before we ship to 100% and further cement the legacy value.


Specification link

Specification being incubated in a Community Group

Status in Chromium


In development

Consensus & Standardization

After a feature ships in Chrome, the values listed here are not guaranteed to be up to date.

  • No signal
  • Positive
  • No signals


Last updated on 2022-01-21