The message when auto mode is unavailable has been updated from "Auto mode temporarily unavailable" to the more informative "Auto mode is unavailable for your plan", clarifying that the limitation is plan-based rather than temporary.
Evidence
Plan-gating message (search for "Auto mode is unavailable for your plan")
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 agreeAuto mode now shows "unavailable for your plan" when disabled by plan restrictions (was "temporarily unavailable")
