Changelog

This page tracks changes to the Atlas Asset Organization specification.

v0.1.4 — July 23, 2026 — HTML · GitHub

Added an optional spec-compliance validator (atlas-assets-validate) that checks a local or cloud-stored asset tree and reports errors and warnings. See Validator.

Added the required manifest.json file to the terminology specification.

Added the optional annotations_compressed_{resolution}.nii.gz file to the annotation set specification.

Added the optional legacy_files/ directory to the terminology specification.

Clarified that naming conventions are recommended guidelines, not requirements.

Generalized storage wording from “S3 bucket” to “folder or cloud object storage”.

Linked each changelog release to its rendered documentation and GitHub tag.

v0.1.3 — July 21, 2026 — HTML · GitHub

Reconciled the File Organization layout with the per-asset pages: corrected the annotation set file list, added the required manifest.json to templates and annotation sets, and added the coordinate spaces directory.

Copy-edited the specification for clarity, grammar, and tone.

v0.1.2 — June 22, 2026 — HTML · GitHub

Added an optional <label> token to the atlas naming convention.

Required a manifest.json file for the template component.

Specified OME-Zarr 0.5 as the minimum version and recommended compression for annotation OME-Zarr files.

Codified the annotation_values array name in the annotation set specification.

v0.1.1 — June 15, 2026 — HTML · GitHub

Updated the specification status from DRAFT to Released.

Surfaced the project version in the documentation sidebar.

v0.1.0 — June 15, 2026 — GitHub

First tagged release of the specification.

Clarified that an atlas groups one or more annotation sets and templates, all anchored to a single coordinate space, with each annotation set carrying its own unique terminology.

Amplified the AtOM model framing with explicit citations and named the BICAN Anatomical Structure schema.

Renamed “coordinate transforms” to “coordinate transformations”.

August 29, 2025

Adopted AtOM model with simplified terms

August 12, 2025

Renamed “2p” -> “stpt” to be consistent with historical documents

Added support for ANTs transforms

August 6, 2025

Adding definition clarification based on feedback

General cleanup

July 25, 2025

Proposed names at the bottom of doc for review

An atlas can only have one space and one annotation

July 22, 2025

Added Anatomical Template concept

Removed Anatomical Space from file organization, replaced with Anatomical Template

Relaxed requirement that versioning be semantic