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ATLAS-5387 : Add WhatsNew-2.6 release notes #741

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ATLAS-5387 : Add WhatsNew-2.6 release notes #741

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4f10793
Add WhatsNew-2.6 release notes for atlas-2.6 website.
Aug 20, 2026
085868a
Note header auth property key rename in WhatsNew-2.6 Security section.
Aug 20, 2026
5056386
Expand WhatsNew-2.6 header auth note with usage and config details.
Aug 20, 2026
771056a
Use generic username in WhatsNew-2.6 header auth curl example.
Aug 20, 2026
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2 changes: 1 addition & 1 deletion docs/docz-lib/config/menu.js
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Original file line number Diff line number Diff line change
Expand Up @@ -87,7 +87,7 @@ export default [
"Download",
{
name: "Whats New",
menu: ["WhatsNew-2.5", "WhatsNew-2.4", "WhatsNew-2.3", "WhatsNew-2.2", "WhatsNew-2.1", "WhatsNew-2.0", "WhatsNew-1.0"]
menu: ["WhatsNew-2.6", "WhatsNew-2.5", "WhatsNew-2.4", "WhatsNew-2.3", "WhatsNew-2.2", "WhatsNew-2.1", "WhatsNew-2.0", "WhatsNew-1.0"]
},
"Migration"
]
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2 changes: 1 addition & 1 deletion docs/src/documents/Overview.md
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Expand Up @@ -48,7 +48,7 @@ capabilities around these data assets for data scientists, analysts and the data

## Getting Started

* [What's new in Apache Atlas 2.5?](#/WhatsNew-2.5)
* [What's new in Apache Atlas 2.6?](#/WhatsNew-2.6)
* [Build & Install](#/Installation)
* [Quick Start](#/QuickStart)

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43 changes: 43 additions & 0 deletions docs/src/documents/Whats-New/WhatsNew-2.6.md
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@@ -0,0 +1,43 @@
---
name: WhatsNew-2.6
route: /WhatsNew-2.6
menu: Downloads
submenu: Whats New
---

# What's new in Apache Atlas 2.6?

## Features
* **React UI**: Dashboard Overview; Vite-based build optimizations and lazy route loading; broad React UI coverage for search, glossary, lineage, audit, and administration
* **Authentication**: JWT authentication support; header-based authentication for trusted proxy / gateway deployments
* **Notifications**: Distributed notification processing
* **Export / Import**: Concurrent ingest; export/import improvements for tag attributes and relationship types
* **Propagation**: Rename and delete propagation support
* **Graph / persistence**: RDBMS backend and audit repository support (with follow-on fixes)
* **Admin / Purge**: Authorization on Admin REST endpoints; Auto Purge UI improvements
* **Docker**: Immutable container setup updates

## Enhancements
* **Platform**
* Upgrade to Hadoop 3.4.2 and HBase 2.6.x
* Upgrade JanusGraph to 1.1.0
* Migrate from commons-configuration1 to commons-configuration2
* Replace HBase dependencies with hbase-shaded-*-hadoop3 variants
* **Dependencies**
* Netty, dompurify, handlebars, and frontend npm dependency upgrades
* **Search**
* CONTAINS query handling with JanusGraph indexing improvements
* **Hooks**
* Impala lineage fix for self-referencing INSERT OVERWRITE
* Ignore/rename pattern fixes
* **Export / Import**
* Incremental export fixes; import script and Kafka import improvements
* **UI**
* Classic/React UI coexistence fixes; relationship tab UX; glossary and business metadata fixes
* **Security**
* XSS fix in sanitize-html; Swagger apidocs static asset access adjustment
* **Header-based authentication** (trusted proxy): when `atlas.authentication.method.header.enabled=true`, Atlas reads configured HTTP headers for username, comma-separated roles, and optional request ID from a trusted gateway and authenticates REST calls without Basic auth (e.g. `curl -H "username: alice" -H "roles: dev" -H "requestid: test-1" http://localhost:21000/api/atlas/admin/version`).
* Header auth settings use `atlas.authentication.method.header.*` keys in `atlas-application.properties`—map each logical field (`username`, `roles`, `request-id`) to the HTTP header name your proxy sends (renamed from `atlas.authn.header.*`).
* **Release / build**
* Release artifact checksums; WAR size and build stabilization for atlas-2.6
* [List of JIRAs resolved in Apache Atlas 2.6.0 release](https://issues.apache.org/jira/issues/?jql=project%20%3D%20ATLAS%20AND%20fixVersion%20%3D%202.6.0%20ORDER%20BY%20key%20DESC)