update latest news

Author: jonhealy1

README.md

@@ -28,7 +28,7 @@ The following organizations have contributed time and/or funding to support the
 
 ## Latest News
 
-- **12/09/2025:** Catalogs extension merged to main! The `/catalogs` endpoint is now available (optional via `ENABLE_CATALOGS_EXTENSION` environment variable) to enable federated hierarchical catalog browsing and navigation. Collections can belong to multiple catalogs for flexible hierarchical organization.
+- **12/09/2025:** **Feature Merge: Federated Catalogs.** The [`Catalogs Endpoint`](https://github.com/Healy-Hyperspatial/stac-api-extensions-catalogs-endpoint) extension is now in main! This enables a registry of catalogs and supports **poly-hierarchy** (collections belonging to multiple catalogs simultaneously). Enable it via `ENABLE_CATALOGS_EXTENSION`. _Coming next: Support for nested sub-catalogs._
 - **11/07/2025:** 🌍 The SFEOS STAC Viewer is now available at: https://healy-hyperspatial.github.io/sfeos-web. Use this site to examine your data and test your STAC API!
 - **10/24/2025:** Added `previous_token` pagination using Redis for efficient navigation. This feature allows users to navigate backwards through large result sets by storing pagination state in Redis. To use this feature, ensure Redis is configured (see [Redis for navigation](#redis-for-navigation)) and set `REDIS_ENABLE=true` in your environment.
 - **10/23/2025:** The `EXCLUDED_FROM_QUERYABLES` environment variable was added to exclude fields from the `queryables` endpoint. See [docs](#excluding-fields-from-queryables).