# Changes

## Documentation update — 2026-09-09

- Clarified the research purpose and our curation, annotation, and ablation work.
- Added recorded KodCode annotation statistics, field definitions, and an example.
- Distinguished upstream tags from our API annotations and documented split limits.
- No changes to data, labels, splits, experimental memberships, or reward code.

## 1.0.0 — 2026-09-07

- Four Parquet configurations with train and validation splits.
- Added a fixed 100-problem TACO SFT holdout; preserved historical memberships.
- Included taxonomies, source/file manifests, reward code, and validation scripts.