You'll noticeTier: how much it should matter to you
2Useful: my rating, 1 to 5
0Signal: worth watching, 1 to 5
ElsewhereArea: what it touches
ImprovementsKind: in v2.1.219,
ImprovementsSection of the release
What
The advisor-tool docs warn that advisor_tool_result.content differs by advisor model, so code that reads .text unconditionally can silently get nothing.
Details
Plaintext advisors return advisor_result with text and stop_reason.
The newest advisors return advisor_redacted_result with encrypted_content and no text.
The executor-to-advisor compatibility table is expanded with the new Opus, Fable and Mythos IDs.
Evidence
advisor_redacted_result
Strings lifted out of the shipped bundle, so the claim above can be checked against them.