Under the hood
Model catalog's 'flag rows' feature removed, replaced by a new servedCatalogOffBeforeAsking field
What
The model catalog's "flag rows" mechanism has been removed entirely: the flagRowsAwaitTrust and flagAliasSpellings state fields and the model_catalog_flag_rows telemetry event are gone. In their place is a new servedCatalogOffBeforeAsking field.
Why
This reflects an internal change to how the model catalog handles trust and alias spellings before presenting model choices; it is not stated what user-visible effect, if any, this has.
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The writer flagged doubt
What the flag-rows feature did for users and what servedCatalogOffBeforeAsking changes in practice are not stated.