The default model option label changed from "Sonnet (default)" to "Inherit (default)".
Details
Better reflects that subagents inherit the parent model by default
More accurate terminology for model selection in agent configuration
Evidence
Line 158543 ("Inherit (default)")
Strings lifted out of the shipped bundle, so the claim above can be checked against them.
How sure we are
One source agreesOne thing we can check says the same as this entry.
Anthropic's release notes agreeFixed agent list displaying "Sonnet (default)" instead of "Inherit (default)" for agents without an explicit model setting
