🤖 Automated update README: Tue Jan 6 12:43:30 UTC 2026 [skip ci]

Author: STAC CI

README.md

@@ -38,6 +38,7 @@ As such is not part of the stac-api-extensions GitHub organization and may not f
 | [Browseable](https://github.com/stac-api-extensions/browseable) | STAC API - Core | Proposal | 1.0.0-rc.3 | Browseable advertises all Items in a STAC API Catalog can be reached by traversing child and item links. |
 | [Children](https://github.com/stac-api-extensions/children) | STAC API - Core | Proposal | 1.0.0-rc.2 | The purpose of this extension is to add an endpoint that presents a single resource from which clients can retrieve the immediate children of a Catalog. |
 | [Collection Search](https://github.com/stac-api-extensions/collection-search) | STAC API - Core | Candidate | 1.0.0-rc.1 | Collection Search for STAC APIs |
+| [Collection Search Endpoint for Large Payloads](https://github.com/Healy-Hyperspatial/collection-search-large-payloads)* | STAC API - Core | *WIP* | **Unreleased** | This extension defines a dedicated Collection Search Endpoint (/collections-search) that supports both GET and POST methods. |
 | [Collection Transaction](https://github.com/stac-api-extensions/collection-transaction) | STAC API - Collections | Candidate | 1.0.0-beta.1 | The Collection Transaction Extension supports the creation, editing, and deleting of Collections through POST, PUT, PATCH, and DELETE requests.  |
 | [Context](https://github.com/stac-api-extensions/context) | STAC API - Features, STAC API - Item Search | Deprecated | 1.0.0-rc.2 | Context Extension |
 | [Context Collections](https://github.com/cedadev/stac-context-collections)* | STAC - Core | *WIP* | **Unreleased** | This defines a new parameter, collections inside the context response which is a summary of all the collections which are part of the current result context. |
@@ -47,12 +48,13 @@ As such is not part of the stac-api-extensions GitHub organization and may not f
 | [Free-Text Search](https://github.com/stac-api-extensions/freetext-search) | - STAC API - Collection Search | Proposal | 1.0.0-rc.1 | This defines a new parameter, q that allows the user to perform free-text queries against the item properties. |
 | [Language (I18N)](https://github.com/stac-api-extensions/language) | STAC API - Core | Pilot | 1.0.0-rc.2 | Definitions and recommendations around making multi-lingual STAC APIs available |
 | [Query](https://github.com/stac-api-extensions/query) | STAC API - Features, STAC API - Item Search | Stable | 1.0.0 | The Query Extension adds a query parameter that allows additional filtering based on the properties of Item objects. |
+| [SKOS Registry](https://github.com/Healy-Hyperspatial/skos-registry)* | STAC API - Core | *WIP* | **Unreleased** | This extension defines a standard mechanism to expose SKOS (Simple Knowledge Organization System) hierarchies as navigable Virtual Catalogs. |
 | [Sort](https://github.com/stac-api-extensions/sort) | STAC API - Collection Search, STAC API - Features, STAC API - Item Search | Stable | 1.1.0 | The Sort Extension that allows the user to define the fields by which to sort results.  |
 | [Transaction](https://github.com/stac-api-extensions/transaction) | STAC API - Features | Candidate | 1.0.0-rc.3 |  The Transaction Extension supports the creation, editing, and deleting of items through POST, PUT, PATCH, and DELETE requests. |
 | [Version](https://github.com/stac-api-extensions/version) | STAC API - Features | Deprecated | **Unreleased** | Item and Collection Version Extension |
 
-- **Last updated:** Jan 06 2026, 01:07 UTC
-- **Count:** 16
+- **Last updated:** Jan 06 2026, 12:43 UTC
+- **Count:** 18
 
 ### Grouped by maturity
 
@@ -95,10 +97,14 @@ As such is not part of the stac-api-extensions GitHub organization and may not f
 
 #### WIP
 
+- [Collection Search Endpoint for Large Payloads](https://github.com/Healy-Hyperspatial/collection-search-large-payloads)*
+
 - [Context Collections](https://github.com/cedadev/stac-context-collections)*
 
 - [Distribution](https://github.com/stac-api-extensions/distribution)
 
+- [SKOS Registry](https://github.com/Healy-Hyperspatial/skos-registry)*
+
 
 #### Deprecated