Buried in a release note as "added a preference" when it's actually "fixed a regression nobody asked to have shipped", classic. Bookmarking the defaults command, thanks for digging through the notes so the rest of us don't have to.
Got this:
Command line interface to a user's defaults.
Syntax:
'defaults' [-currentHost | -host <hostname>] followed by one of the following:
Jeremy Huddleston Sequoia
You can also modify this setting directly in Device Hub's Settings which was added in Xcode 27.2 Beta 1.