# Changelog

All notable changes to this project will be documented in this file.

The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/), and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).

In particular:
1. Any updates to pre-existing files shall entail a major version bump.
2. The inclusion of a new language, without changes to other pre-existing data, shall only entail a minor version bump.

## [3.0] - 2025-11-07
- Participants to the [WMT25 Shared Task](https://www2.statmt.org/wmt25/open-data.html) contributed multiple imprivements. Many thanks to all the contributors! Please don't forget to cite the relevant papers listed in [bibliography.bib](bibliography.bib).
    - Added `fra_Latn` (see [Marmonier et al, 2025](https://aclanthology.org/2025.wmt-1.80/))
    - Added `kyr_Cyrl`  (see [Jumashev et al, 2025](https://aclanthology.org/2025.wmt-1.84/))
    - Updated about half of `zgh_Tfng` texts (see [Oktem et al, 2025](https://aclanthology.org/2025.wmt-1.82/))

## [2.0] - 2024-11-08

### Added

- Added `ben_Beng`, `ita_Latn` and `spa_Latn` from the [WMT24 Shared Task](https://www2.statmt.org/wmt24/open-data.html). Many thanks to the contributors!
- Added `nqo_Nkoo` from <https://github.com/common-parallel-corpora/common-parallel-corpora>.

### Changed

- Retranslated `ary_Arab` after community feedback and additional quality assessment. Data is now more closely aligned with Moroccan Arabic. Many thanks to @MedAymenF for pointing out the issues with the original NLLB-Seed data.
- Adopted the aligned version of datasets from <https://github.com/common-parallel-corpora/common-parallel-corpora>. Data is now aligned across all languages, i.e. all files use the same ordering of sentences.
- Data was NFC normalised.
- Updated `lij_Latn` after additional quality assessment. Data has undergone minor spelling and syntactic fixes.
- Relabeled `tzm_Tfng` to `zgh_Tfng` after additional quality assessment revealed the data was in Standard Moroccan Tamazight. Many thanks to @MedAymenF for pointing out the issues with the original NLLB-Seed data.
- Relabeled `grn_Latn` macrolanguage code to the correct code `gug_Latn`.

## [1.0] - 2022-07-11

The original release of the dataset – described by [NLLB Team et al. (2022)](https://arxiv.org/abs/2207.04672) and [Maillard et al. (2023)](https://aclanthology.org/2023.acl-long.154/) – can be downloaded from <https://tinyurl.com/NLLBSeed>.