# Releases

What changed in this documentation, when, and why, with the machine readable feed alongside.

Page ID: releases/index
Applicability: editorial
Authority: none
Networks: mainnet
Verified: 2026-08-31
Locale: en
URL: https://bitcoinuniverseio.github.io/atomicals-and-arc-20/releases/

---
Documentation version **2026.08**. The machine readable form of this page is the
[changelog feed](/changelog.xml).

## What is versioned separately

| Axis | Where it appears | Current |
| --- | --- | --- |
| Protocol reference baseline | The pinned validator revision | Atomicals ElectrumX v1.5.2.0 |
| Universe API surface | The `/v1/` segment and the service revision | v1 |
| Marketplace contract | The Marketplace v1 route and signing contract | v1 |
| Generated schemas | A version field in each schema | 1.0.0 |
| Documentation | The version on every page | 2026.08 |

Never assume two of them move together.
See [versioning and deprecation](/develop/versioning-and-deprecation/).

## Related

| Page | Contains |
| --- | --- |
| [Versions and compatibility](/releases/versions/) | Every pinned source revision and what it applies to |
| [Deprecations](/releases/deprecations/) | What is scheduled for removal, and what replaces it |
| [Migrations](/releases/migrations/) | Step by step moves between versions |