You'll noticeTier: how much it should matter to you
2Useful: my rating, 1 to 5
2Signal: worth watching, 1 to 5
ElsewhereArea: what it touches
New FeaturesKind: in v2.1.224,
New FeaturesSection of the release
What
Calling the prototype skill yourself now marks prototype mode as started, as invoking it any other way already did. This does not happen when the skill is only being preloaded or when the model scheduled the invocation itself.
Evidence
prototype_started
Strings lifted out of the shipped bundle, so the claim above can be checked against them.