## What changes

## Spec items touched

<!-- for example CLI-021, OUT-031; update the spec in the same pull request if behaviour changes -->

## How it was validated

<!-- unit tests, oracle tests you ran, datasets, numbers -->

## Checklist

* [ ] `ruff`, `mypy` and `pytest tests/unit` pass
* [ ] `CHANGELOG.md` updated (Unreleased) if users would notice
* [ ] differences from reference tools recorded in `docs/known_unknowns.md`
* [ ] no vendor data, no genetic data of real people, no credentials