# Follow The Money 4.8.0

**URL:** <https://discuss.opensanctions.org/t/follow-the-money-4-8-0/271>\
**Category:** Research & Development\
**Tags:** announcements, opensource\
**Created:** [April 16, 2026, 6:38am UTC](https://discuss.opensanctions.org/t/follow-the-money-4-8-0/271 "2026-04-16T06:38:20Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![pudo](https://dub1.discourse-cdn.com/flex014/user_avatar/discuss.opensanctions.org/pudo/32/1_2.png) [@pudo](https://discuss.opensanctions.org/u/pudo)\
**Post date:** [April 16, 2026, 6:38am UTC](https://discuss.opensanctions.org/t/follow-the-money-4-8-0/271/1 "2026-04-16T06:38:20Z")

</div>

## Dataset query DSL

New query language for filtering datasets by name, collection, or tag. Supports both a dict-based AST and a compact string syntax with `|` (or), `&` (and), `-` (not) operators and parentheses:

`(#issuer.west | #list.sanction) - lt_fiu`

The DSL is exposed via `evaluate_query()`, `parse_query()`, and `match_datasets()` from `followthemoney.dataset`. The `sieve` CLI command gains `-d/--datasets` to filter entity streams using this syntax.

## Schema changes

- **`Person.biography`** — new text property for biographical descriptions.
- **`Vehicle` is now matchable** — vehicles can be used in entity matching/deduplication (fixes [`Vehicle` not matchable? · Issue #1066 · opensanctions/yente · GitHub](https://github.com/opensanctions/yente/issues/1066)).
- **`Thing.wikipediaUrl`** excluded from matching — Wikipedia URLs are no longer considered when comparing entities, reducing false positives.

## CLI: migrate from EntityProxy to ValueEntity

All CLI commands that read JSONL entity streams (`aggregate`, `sorted-aggregate`, `sieve`, `map`, `map-csv`) now deserialize as `ValueEntity` instead of `EntityProxy`. This fixes incorrect merging of temporal metadata and dataset/referent fields during aggregation.

- `map` / `map-csv` accept `-d/--dataset` to set dataset metadata on emitted entities.
- **Breaking:** the legacy `import-vis` command has been removed.

## Other changes

- Code style aligned with explicit emptiness checks (`len(x) == 0` instead of `if not x`) in `compare.py`.
- Significant new test coverage for CLI commands, `ValueEntity`, dataset queries, address types, and mapping.
- Python 3.11 compatibility fix.
- Dependency updates: banal, CI actions, Jackson (Java), npm packages. Node.js 24 adopted for JS builds.

Downloads: [Release v4.8.0 · opensanctions/followthemoney · GitHub](https://github.com/opensanctions/followthemoney/releases/tag/v4.8.0)