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We have begun a two-step migration in the /match API response format that affects users relying on the features and matcher fields.

1. The matcher field in /match responses will be removed after February 27, 2026. Equivalent information is available via the /algorithms route (free to use).

2. A new explanations field has been added that is a strict superset of features. In addition to the partial scores produced by each component of the matching system, it includes textual descriptions of the matching decisions from each of these subsystems. These descriptions are designed for display in analyst workbenches or can be passed to generative AI tools to help interpret screening alerts. The features field will be removed after February 27, 2026. Users should update their applications to consume explanations before this date.

We will officially end support for yente 3.x at the end of March 2025. This means we will be unable to provide support for this version, and will not guarantee that new versions of the data will be correctly and completely loadable by the old application release.

To ensure continued compatibility and access to the latest features, we strongly encourage all users to upgrade to the latest version. For detailed instructions on upgrading, visit our documentation page on upgrading yente.

This release updates various dependencies, introducing new fields in the followthemoney schema and bringing in security patches for the web stack dependencies.

We're also implementing the Reconciliation API's Data Extension protocol for the first time, allowing users to enrich OpenRefine tables with new columns using the API.

See more: https://github.com/opensanctions/yente/releases/tag/v4.2.0

yente 4.1.0 (release page) is a minor patch release. It introduces clearer error reporting during index runs, and fixes the number of matches reported in the total section of the /match API. Various dependencies have been updated to their latest version, including followthemoney.