The policy settings merge now correctly propagates availableModels from the first (highest-priority) policy tier into the merged view used by the allowlist checker. In the previous version this field was not forwarded through the merge, so the new enforcement system could not see it.
Evidence
Policy merge update (search for "availableModels: w[0]?.availableModels")
Strings lifted out of the shipped bundle, so the claim above can be checked against them.
One source agreesOne thing we can check says the same as this entry.
Anthropic's release notes agree
Added enforceAvailableModels managed setting — when enabled, the availableModels allowlist also constrains the Default model (a Default that…