We currently: String osVersion = systemMarketingVersionForUserAgentString(); if (!osVersion.startsWith("10"_s)) osVersion = "10_15_7"_s; This branch is always taken, as we dropped support for macOS 10.15 and earlier several years ago. Similar to iOS, we can simply hard code this value in the UA string at this point.
Pull request: https://github.com/WebKit/WebKit/pull/30907
<rdar://problem/132409584>
Committed 281530@main (49a2b0400d3f): <https://commits.webkit.org/281530@main> Reviewed commits have been landed. Closing PR #30907 and removing active labels.