From 1fc9e5c209212fd28bbe25e2b6c9dec89eac3bb1 Mon Sep 17 00:00:00 2001 From: Julia Signell Date: Fri, 7 Nov 2025 11:00:00 -0500 Subject: [PATCH 01/13] Group by maturity in the default table --- python/README_TEMPLATE.md.jinja | 15 ++++----------- 1 file changed, 4 insertions(+), 11 deletions(-) diff --git a/python/README_TEMPLATE.md.jinja b/python/README_TEMPLATE.md.jinja index 9a8cce0..494cc84 100644 --- a/python/README_TEMPLATE.md.jinja +++ b/python/README_TEMPLATE.md.jinja @@ -19,28 +19,21 @@ This is meant to be the definitive list of STAC Extensions, but not all of them An asterisk (*) indicates a community extension that is hosted externally. As such is not part of the stac-extensions GitHub organization and may not follow the normal procedure or classification for STAC extensions, e.g. regarding the maturity. -Below you can also find a list of extensions grouped by [maturity](#grouped-by-maturity). +This list of extensions is grouped by [maturity](https://github.com/radiantearth/stac-spec/tree/master/extensions#extension-maturity) -### Alphabetical list +### Grouped by maturity | Title | Field Name Prefix | Scope | [Maturity](https://github.com/radiantearth/stac-spec/tree/master/extensions#extension-maturity) | Version | Release Date | Description | | ----- | ----------------- | ----- | ----------------------------------------------------------------------------------------------- | ------- | ------------ | ----------- | +{%- for level, extensions in maturities.items() %} {%- for e in extensions %} | [{{e.title}}]({{e.url}}){% if e.external %}*{% endif %} | {{e.prefix}} | {{e.scope}} | {{e.maturity}} | {{e.version}} | {{e.releasedate}} | {{e.description}} | {%- endfor %} +{%- endfor %} * **Last updated:** {{updated}} * **Count:** {{count}} -### Grouped by maturity - -{% for level, extensions in maturities.items() %} -#### {{ level }} -{% for e in extensions %} -* [{{e.title}}]({{e.url}}){% if e.external %}*{% endif %} -{% endfor %} -{% endfor %} - ## Adding a new extension The general idea on how to [extend STAC](https://github.com/radiantearth/stac-spec/blob/master/extensions/README.md#extending-stac) From 655cd65a66acd4705a7637d2ac458332e4935dfe Mon Sep 17 00:00:00 2001 From: STAC CI Date: Sat, 8 Nov 2025 00:46:18 +0000 Subject: [PATCH 02/13] :robot: Automated update README: Sat Nov 8 00:46:18 UTC 2025 [skip ci] --- README.md | 284 ++++++++++-------------------------------------------- 1 file changed, 49 insertions(+), 235 deletions(-) diff --git a/README.md b/README.md index 11da87b..d379249 100644 --- a/README.md +++ b/README.md @@ -19,283 +19,97 @@ This is meant to be the definitive list of STAC Extensions, but not all of them An asterisk (*) indicates a community extension that is hosted externally. As such is not part of the stac-extensions GitHub organization and may not follow the normal procedure or classification for STAC extensions, e.g. regarding the maturity. -Below you can also find a list of extensions grouped by [maturity](#grouped-by-maturity). +This list of extensions is grouped by [maturity](https://github.com/radiantearth/stac-spec/tree/master/extensions#extension-maturity) -### Alphabetical list +### Grouped by maturity | Title | Field Name Prefix | Scope | [Maturity](https://github.com/radiantearth/stac-spec/tree/master/extensions#extension-maturity) | Version | Release Date | Description | | ----- | ----------------- | ----- | ----------------------------------------------------------------------------------------------- | ------- | ------------ | ----------- | -| [Accuracy](https://github.com/stac-extensions/accuracy) | accuracy | Collection, Item | Proposal | 1.0.0-beta.1 | 2023-12-18 | Fields to provide estimates of accuracy, both geometric and measurement (e.g., radiometric) accuracy. | -| [Aerial Photography](https://github.com/linz/stac/tree/master/extensions/aerial-photo)* | aerial-photo | Collection, Item | *WIP* | *Unknown* | *Unknown* | Aerial photography related metadata, such as run, sequence number, altitude and scale. | +| [Electro-Optical](https://github.com/stac-extensions/eo) | eo | Collection, Item | Stable | 2.0.0 | 2024-09-09 | Covers electro-optical data that represents a snapshot of the Earth. It could consist of cloud cover and multiple spectral bands, for example visible bands, infrared bands, red edge bands and panchromatic bands. | +| [File Info](https://github.com/stac-extensions/file) | file | Catalog, Collection, Item | Stable | 2.1.0 | 2021-12-11 | Specifies file-related details such as size, data type and checksum for assets and links in STAC. | +| [Landsat](https://github.com/stac-extensions/landsat) | landsat | Item | Stable | 2.0.0 | 2023-11-07 | Landsat data fields | +| [Projection](https://github.com/stac-extensions/projection) | proj | Collection, Item | Stable | 2.0.0 | 2024-07-22 | Provides a way to describe Items whose assets are in a geospatial projection. | +| [SAR](https://github.com/stac-extensions/sar) | sar | Collection, Item | Stable | 1.3.0 | 2025-07-16 | Covers synthetic-aperture radar data that represents a snapshot of the earth for a single date and time. | +| [Scientific Citation](https://github.com/stac-extensions/scientific) | sci | Collection, Item | Stable | 1.0.0 | 2021-07-26 | Metadata that indicate from which publication data originates and how the data itself should be cited or referenced. | +| [View Geometry](https://github.com/stac-extensions/view) | view | Collection, Item | Stable | 1.1.0 | 2025-08-15 | View Geometry adds metadata related to angles of sensors and other radiance angles that affect the view of resulting data. | +| [Datacube](https://github.com/stac-extensions/datacube) | cube | Collection, Item | Candidate | 2.3.0 | 2025-06-18 | Datacube related metadata to describe their dimensions and variables. | +| [Machine Learning Model Extension](https://github.com/stac-extensions/mlm) | mlm | Asset, Collection, Item, Links | Candidate | 1.5.0 | 2025-08-23 | STAC Machine Learning Model (MLM) Extension to describe ML models, their training details, and inference runtime requirements. | +| [Processing](https://github.com/stac-extensions/processing) | processing | Collection, Item | Candidate | 1.2.0 | 2024-05-09 | Indicates from which processing chain data originates and how the data itself has been produced. | +| [Raster](https://github.com/stac-extensions/raster) | raster | Collection, Item | Candidate | 2.0.0 | 2024-09-09 | Describes raster assets at band level (one or multiple) with specific information such as data type, unit, number of bits used, nodata. | +| [Satellite](https://github.com/stac-extensions/sat) | sat | Collection, Item | Candidate | 1.1.0 | 2024-12-18 | Satellite related metadata for data collected from satellites. | +| [Sentinel-2](https://github.com/stac-extensions/sentinel-2) | s2 | Item | Candidate | 1.0.0 | 2023-11-13 | Sentinel-2 STAC Extension | +| [Versioning Indicators](https://github.com/stac-extensions/version) | - | Collection, Item | Candidate | 1.2.0 | 2023-05-03 | Provides fields and link relation types to provide a version and indicate deprecation. | | [Alternate Assets](https://github.com/stac-extensions/alternate-assets) | alternate | Collection, Item | Pilot | 1.2.0 | 2024-07-09 | Describes alternate locations and mirrors of assets | -| [Altimetry](https://github.com/stac-extensions/altimetry) | altm | Item | Proposal | 0.1.0 | 2024-06-10 | Altimetry Extension Specification | | [Anonymized Location](https://github.com/stac-extensions/anonymized-location) | anon | Collection, Item | Pilot | 1.0.0 | 2021-04-30 | Provides a way to anonymize location data | -| [Application](https://github.com/stac-extensions/application) | application | Assets, Item, Links | *WIP* | **Unreleased** | N/A | Describes applications (examples, workflows, ...) and links to them for execution. | -| [Archive](https://github.com/stac-extensions/archive) | archive | Collection, Item | *WIP* | **Unreleased** | N/A | Archive extension that deals with cases when files are not directly accessible on their respective storage, but are part of an archive file, such as ZIP or TAR archives. | +| [CARD4L (Optical and SAR)](https://github.com/stac-extensions/card4l) | card4l | Item | Pilot | 0.1.0 | 2022-01-25 | Describes how to comply to the CEOS CARD4L specifications (SAR and Optical) with STAC | +| [Classification](https://github.com/stac-extensions/classification) | classification | Collection, Item | Pilot | 2.0.0 | 2024-05-18 | Describes categorical values and bitfields to give values in a file a certain meaning (classification). | +| [Grid](https://github.com/stac-extensions/grid) | grid | Item | Pilot | 1.1.0 | 2022-12-02 | Describes gridded data products, especially the grid code. | +| [Label](https://github.com/stac-extensions/label) | label | Collection, Item | Pilot | 1.0.1 | 2022-01-21 | Items that relate labeled AOIs with source imagery. | +| [Military Grid Reference System](https://github.com/stac-extensions/mgrs) | mgrs | Item | Pilot | 1.0.0 | 2021-06-09 | MGRS extension that provides information about the latitude band, grid square and UTM zone. | +| [NOAA Geostationary Operational Environmental Satellite (GOES)](https://github.com/stac-extensions/goes) | goes | Collection, Item | Pilot | 1.0.0 | 2022-09-22 | STAC Extension for NOAA GOES (Geostationary Operational Environmental Satellite) products | +| [NOAA MRMS QPE](https://github.com/stac-extensions/noaa-mrms-qpe) | noaa_mrms_qpe | Collection, Item | Pilot | 1.0.0 | 2022-10-24 | STAC Extension for NOAA MRMS QPE (Multi-Radar Multi-Sensor Quantitative Precipitation Estimation) products | +| [Order](https://github.com/stac-extensions/order) | order | Collection, Item | Pilot | 1.1.0 | 2023-01-05 | Allows assets ordering management within STAC specification. | +| [Point Cloud](https://github.com/stac-extensions/pointcloud) | pc | Collection, Item | Pilot | 2.0.0 | 2024-10-24 | Provides a way to describe point cloud datasets. The point clouds can come from either active or passive sensors, and data is frequently acquired using tools such as LiDAR or coincidence-matched imagery. | +| [Rendering](https://github.com/stac-extensions/render) | renders | Collection, Item | Pilot | 2.0.0 | 2024-11-19 | Provide consumers with the information required to view an asset properly (e.g. on a online map) | +| [Stats](https://github.com/stac-extensions/stats) | stats | Catalog, Collection | Pilot | 0.2.0 | 2022-08-01 | Describes the number of items, extensions and assets that are contained in a STAC catalog. | +| [Storage](https://github.com/stac-extensions/storage) | storage | Catalog, Collection, Item | Pilot | 2.0.0 | 2024-10-18 | Provides additional fields relating to how the asset is stored in the cloud | +| [Table](https://github.com/stac-extensions/table) | table | Collection, Item | Pilot | 1.2.0 | 2021-08-30 | Describes tabular data assets using a list of Column objects. Tables can be specified in Collections. | +| [Timestamps](https://github.com/stac-extensions/timestamps) | - | Catalog, Collection, Item | Pilot | 1.1.0 | 2023-01-05 | Allows to specify numerous additional timestamps for assets and metadata. | +| [Accuracy](https://github.com/stac-extensions/accuracy) | accuracy | Collection, Item | Proposal | 1.0.0-beta.1 | 2023-12-18 | Fields to provide estimates of accuracy, both geometric and measurement (e.g., radiometric) accuracy. | +| [Altimetry](https://github.com/stac-extensions/altimetry) | altm | Item | Proposal | 0.1.0 | 2024-06-10 | Altimetry Extension Specification | | [Attribution](https://github.com/stac-extensions/attribution) | - | Collection, Item | Proposal | 0.1.0 | 2024-08-01 | Allows to provide an attribution, e.g. for maps, compliant with OGC API Collections | | [Authentication](https://github.com/stac-extensions/authentication) | auth | Asset, Catalog, Collection, Item, Links | Proposal | 1.1.0 | 2024-05-27 | Adds fields to define authentication or authorization flows used to access Assets and Links behind security | -| [Camera](https://github.com/linz/stac/tree/master/extensions/camera)* | camera | Collection, Item | *WIP* | *Unknown* | *Unknown* | Camera related metadata, such as focal length and sequence number. Especially useful for aerial imagery surveys. | -| [CARD4L (Optical and SAR)](https://github.com/stac-extensions/card4l) | card4l | Item | Pilot | 0.1.0 | 2022-01-25 | Describes how to comply to the CEOS CARD4L specifications (SAR and Optical) with STAC | | [CEOS-ARD](https://github.com/stac-extensions/ceos-ard) | ceosard | Collection, Item | Proposal | 0.2.0 | 2024-05-07 | Describes how to comply to the CEOS-ARD specifications with STAC. Supersedes the STAC CARD4L extension. | | [CF](https://github.com/stac-extensions/cf) | cf | Collection, Item | Proposal | 0.2.0 | 2023-08-30 | Allows to provide the Standard Name Table based on the CF metadata convention. | -| [Classification](https://github.com/stac-extensions/classification) | classification | Collection, Item | Pilot | 2.0.0 | 2024-05-18 | Describes categorical values and bitfields to give values in a file a certain meaning (classification). | | [CMIP6](https://github.com/stac-extensions/cmip6) | cmip6 | Item | Proposal | 3.0.0 | 2025-09-23 | None | -| [Composite](https://github.com/stac-extensions/composite) | composite | Item | *WIP* | **Unreleased** | N/A | Defines how virtual assets can be composed from existing assets in STAC | | [Contacts](https://github.com/stac-extensions/contacts) | - | Catalog, Collection, Item | Proposal | 1.0.0 | 2025-08-15 | A list of contacts with detailed information such as address, phone numbers, emails etc. | -| [Datacube](https://github.com/stac-extensions/datacube) | cube | Collection, Item | Candidate | 2.3.0 | 2025-06-18 | Datacube related metadata to describe their dimensions and variables. | -| [Deep Learning Model Extension](https://github.com/crim-ca/dlm-extension)* | dlm | Asset, Collection, Item, Links | Deprecated | 1.0.0 | 2024-04-18 | Deep Learning Model STAC Extension (deprecated, see https://github.com/stac-extensions/mlm instead) | | [Disasters Charter](https://github.com/Terradue/stac-extensions-disaster)* | disaster | Collection, Item | Proposal | 1.1.0 | 2024-06-05 | Disaster Charter Extension Specification | | [Earthquake](https://github.com/stac-extensions/earthquake) | eq | Collection, Item | Proposal | 1.0.0 | 2025-01-20 | Earthquake Extension Specification | -| [Electro-Optical](https://github.com/stac-extensions/eo) | eo | Collection, Item | Stable | 2.0.0 | 2024-09-09 | Covers electro-optical data that represents a snapshot of the Earth. It could consist of cloud cover and multiple spectral bands, for example visible bands, infrared bands, red edge bands and panchromatic bands. | | [Example Links](https://github.com/stac-extensions/example-links) | example | Catalog, Collection, Item | Proposal | 0.0.1 | 2023-08-14 | Allows to provide links to examples, e.g. code snippets. | -| [File Info](https://github.com/stac-extensions/file) | file | Catalog, Collection, Item | Stable | 2.1.0 | 2021-12-11 | Specifies file-related details such as size, data type and checksum for assets and links in STAC. | -| [Film](https://github.com/linz/stac/tree/master/extensions/film)* | film | Collection, Item | *WIP* | *Unknown* | *Unknown* | Film related metadata, such as roll, negative sequence and other physical attributes. Especially useful for digitised historic aerial imagery surveys. | | [Forecast](https://github.com/stac-extensions/forecast) | forecast | Collection, Item | Proposal | 0.2.0 | 2025-01-09 | Common fields for (meteorological/weather) forecast data. | -| [Grid](https://github.com/stac-extensions/grid) | grid | Item | Pilot | 1.1.0 | 2022-12-02 | Describes gridded data products, especially the grid code. | -| [Hyperspectral Imagery](https://github.com/stac-extensions/hsi) | hsi | Collection, Item | *WIP* | **Unreleased** | N/A | Extension for Hyperspectral Imagery, to preserve the wavelength information for Items. | | [InSAR](https://github.com/stac-extensions/insar) | insar | Item | Proposal | 1.0.0 | 2024-03-11 | STAC extension for InSAR (Interferometric Synthetic Aperture Radar) | -| [Item Assets Definition](https://github.com/stac-extensions/item-assets) | - | Collection | Deprecated | 1.0.0 | 2021-03-08 | Provides a way to specify details about what assets may be found in Items belonging to a Collection. | -| [Label](https://github.com/stac-extensions/label) | label | Collection, Item | Pilot | 1.0.1 | 2022-01-21 | Items that relate labeled AOIs with source imagery. | -| [Landsat](https://github.com/stac-extensions/landsat) | landsat | Item | Stable | 2.0.0 | 2023-11-07 | Landsat data fields | -| [Landsat](https://landsat.usgs.gov/stac/landsat-extension/v1.1.1/schema.json)* | landsat | *Unknown* | *Unknown* | 1.1.1 | *Unknown* | *JSON Schema only!* | -| [Landsat ARD Tile](https://landsat.usgs.gov/stac/landsat-ard-extension/v1.0.0/schema.json)* | landsat | *Unknown* | *Unknown* | 1.0.0 | *Unknown* | *JSON Schema only!* | | [Language (I18N)](https://github.com/stac-extensions/language) | - | Catalog, Collection, Item | Proposal | 1.0.0 | 2023-03-06 | Fields and recommendations around making multi-lingual STAC catalogs available. | | [Link Templates](https://github.com/stac-extensions/link-templates) | - | Catalog, Collection, Item | Proposal | 1.0.0 | 2025-04-16 | A construct to provide templated links in STAC, as originally defined in OGC APIs. | -| [Machine Learning Model Extension](https://github.com/stac-extensions/mlm) | mlm | Asset, Collection, Item, Links | Candidate | 1.5.0 | 2025-08-23 | STAC Machine Learning Model (MLM) Extension to describe ML models, their training details, and inference runtime requirements. | | [Merkle Tree](https://github.com/stacchain/merkle-tree)* | merkle | Catalog, Collection, Item | Proposal | 1.0.0 | 2024-11-05 | A STAC extension that enhances metadata integrity by encoding items, collections, and catalogs using Merkle hash trees. | -| [Military Grid Reference System](https://github.com/stac-extensions/mgrs) | mgrs | Item | Pilot | 1.0.0 | 2021-06-09 | MGRS extension that provides information about the latitude band, grid square and UTM zone. | | [ML AOI](https://github.com/stac-extensions/ml-aoi) | ml-aoi | Asset, Collection, Item, Links | Proposal | 0.2.0 | 2024-03-28 | An Item and Collection extension to provide labeled training data for machine learning models. | -| [ML Model](https://github.com/stac-extensions/ml-model) | ml-model | Collection, Item | Deprecated | 1.0.0 | 2021-12-14 | An Item and Collection extension to describe machine learning (ML) models that operate on Earth observation data. | | [Monty](https://github.com/IFRCGo/monty-stac-extension)* | monty | Collection, Item | Proposal | 1.1.0 | 2025-11-06 | Provide a set of new fields and data type to build a Montandon, Global Crisis Data Bank | -| [Moving Features](https://github.com/stac-extensions/moving-features) | mf | Item | *WIP* | **Unreleased** | N/A | stac extension for moving features | -| [NOAA Geostationary Operational Environmental Satellite (GOES)](https://github.com/stac-extensions/goes) | goes | Collection, Item | Pilot | 1.0.0 | 2022-09-22 | STAC Extension for NOAA GOES (Geostationary Operational Environmental Satellite) products | -| [NOAA MRMS QPE](https://github.com/stac-extensions/noaa-mrms-qpe) | noaa_mrms_qpe | Collection, Item | Pilot | 1.0.0 | 2022-10-24 | STAC Extension for NOAA MRMS QPE (Multi-Radar Multi-Sensor Quantitative Precipitation Estimation) products | | [Open Science Catalog](https://github.com/stac-extensions/osc) | osc | Catalog, Collection, Item | Proposal | 1.0.0 | 2025-02-19 | STAC Extension for the ESA Open Science Catalog | -| [Order](https://github.com/stac-extensions/order) | order | Collection, Item | Pilot | 1.1.0 | 2023-01-05 | Allows assets ordering management within STAC specification. | | [Perspective Imagery](https://github.com/stac-extensions/perspective-imagery) | pers | Collection, Item | Proposal | 1.0.0 | 2022-06-27 | Describes perspective imagery collected by photogrammetric or non-photogrammetric cameras | -| [Point Cloud](https://github.com/stac-extensions/pointcloud) | pc | Collection, Item | Pilot | 2.0.0 | 2024-10-24 | Provides a way to describe point cloud datasets. The point clouds can come from either active or passive sensors, and data is frequently acquired using tools such as LiDAR or coincidence-matched imagery. | -| [Processing](https://github.com/stac-extensions/processing) | processing | Collection, Item | Candidate | 1.2.0 | 2024-05-09 | Indicates from which processing chain data originates and how the data itself has been produced. | | [Product](https://github.com/stac-extensions/product) | product | Collection, Item | Proposal | 1.0.0 | 2025-06-22 | Generic Product-related properties for STAC | -| [Projection](https://github.com/stac-extensions/projection) | proj | Collection, Item | Stable | 2.0.0 | 2024-07-22 | Provides a way to describe Items whose assets are in a geospatial projection. | | [Quality](https://github.com/linz/stac/tree/master/extensions/quality)* | quality | Collection | Proposal | *Unknown* | *Unknown* | Geospatial quality and accuracy of collections, such as horizontal and vertical accuracy. | -| [Raster](https://github.com/stac-extensions/raster) | raster | Collection, Item | Candidate | 2.0.0 | 2024-09-09 | Describes raster assets at band level (one or multiple) with specific information such as data type, unit, number of bits used, nodata. | | [Region](https://github.com/stac-extensions/region) | region | Collection, Item | Proposal | 0.1.0 | 2025-07-25 | An extension to describe geographical regions | -| [Rendering](https://github.com/stac-extensions/render) | renders | Collection, Item | Pilot | 2.0.0 | 2024-11-19 | Provide consumers with the information required to view an asset properly (e.g. on a online map) | -| [SAR](https://github.com/stac-extensions/sar) | sar | Collection, Item | Stable | 1.3.0 | 2025-07-16 | Covers synthetic-aperture radar data that represents a snapshot of the earth for a single date and time. | -| [Satellite](https://github.com/stac-extensions/sat) | sat | Collection, Item | Candidate | 1.1.0 | 2024-12-18 | Satellite related metadata for data collected from satellites. | -| [Scanning](https://github.com/linz/stac/tree/master/extensions/scanning)* | scan | Collection, Item | *WIP* | *Unknown* | *Unknown* | Scanning related metadata, such as the scan date and time. Especially useful for digitised images. | -| [Scientific Citation](https://github.com/stac-extensions/scientific) | sci | Collection, Item | Stable | 1.0.0 | 2021-07-26 | Metadata that indicate from which publication data originates and how the data itself should be cited or referenced. | | [Sentinel-1](https://github.com/stac-extensions/sentinel-1) | s1 | Item | Proposal | 0.2.0 | 2024-06-10 | Sentinel-1 STAC Extension | -| [Sentinel-2](https://github.com/stac-extensions/sentinel-2) | s2 | Item | Candidate | 1.0.0 | 2023-11-13 | Sentinel-2 STAC Extension | -| [Sentinel-3](https://github.com/stac-extensions/sentinel-3) | s3 | Item | Deprecated | 0.2.0 | 2024-06-10 | Sentinel-3 STAC Extension | | [Sentinel-5P](https://github.com/stac-extensions/sentinel-5p) | s5p | Item | Proposal | 0.2.0 | 2024-06-10 | Sentinel-5P STAC Extension | -| [Single File STAC](https://github.com/stac-extensions/single-file-stac) | - | Collection, Item | Deprecated | **Unreleased** | N/A | An extension to provide a set of Collections and Items within a single file STAC. | | [Solar System](https://github.com/stac-extensions/ssys) | ssys | Catalog, Collection, Item | Proposal | 1.1.0 | 2023-10-19 | SSYS STAC Extension Specification | -| [Stats](https://github.com/stac-extensions/stats) | stats | Catalog, Collection | Pilot | 0.2.0 | 2022-08-01 | Describes the number of items, extensions and assets that are contained in a STAC catalog. | | [Stereo Imagery](https://github.com/stac-extensions/stereo-imagery) | stereo-img | Catalog, Collection, Item | Proposal | 1.0.0 | 2023-08-02 | Describes (tri-)stereo imagery that consists of multiple captures, often for 3D use cases. | -| [Storage](https://github.com/stac-extensions/storage) | storage | Catalog, Collection, Item | Pilot | 2.0.0 | 2024-10-18 | Provides additional fields relating to how the asset is stored in the cloud | -| [Table](https://github.com/stac-extensions/table) | table | Collection, Item | Pilot | 1.2.0 | 2021-08-30 | Describes tabular data assets using a list of Column objects. Tables can be specified in Collections. | | [Themes](https://github.com/stac-extensions/themes) | - | Catalog, Collection, Item | Proposal | 1.0.0 | 2023-05-11 | A knowledge organization system used to classify the resource (controlled vocabularies / keywords) | | [Tiled Assets](https://github.com/stac-extensions/tiled-assets) | tiles | Catalog, Collection, Item | Proposal | 1.0.0 | 2024-08-23 | Allows to specify numerous assets using asset templates via tile matrices and dimensions. | -| [Time Series](https://github.com/stac-extensions/timeseries) | ts | Collection, Item | Deprecated | **Unreleased** | N/A | Time Series STAC Extension Specification | -| [Timestamps](https://github.com/stac-extensions/timestamps) | - | Catalog, Collection, Item | Pilot | 1.1.0 | 2023-01-05 | Allows to specify numerous additional timestamps for assets and metadata. | | [TrainingDML-AI](https://github.com/openrsgis/trainingdml-ai-extension)* | tdml | Collection, Item | Proposal | 1.0.0 | 2023-05-24 | Detailed metadata for formalizing the information model of geospatial EO machine learning training data. | | [U.S. Fish & Wildlife Service (FWS) National Wetlands Inventory (NWI)](https://github.com/stac-extensions/usfws-nwi) | fws_nwi | Collection, Item | Proposal | 1.0.0 | 2022-10-24 | Describes the U.S. Fish & Wildlife Service (FWS) National Wetlands Inventory (NWI) products | -| [Versioning Indicators](https://github.com/stac-extensions/version) | - | Collection, Item | Candidate | 1.2.0 | 2023-05-03 | Provides fields and link relation types to provide a version and indicate deprecation. | | [Video](https://github.com/stac-extensions/video) | video | Collection, Item | Proposal | 1.0.0 | 2022-03-15 | Provides a way to describe video assets. | -| [View Geometry](https://github.com/stac-extensions/view) | view | Collection, Item | Stable | 1.1.0 | 2025-08-15 | View Geometry adds metadata related to angles of sensors and other radiance angles that affect the view of resulting data. | | [Virtual Assets](https://github.com/stac-extensions/virtual-assets) | vrt | Collection, Item | Proposal | 1.0.0 | 2023-11-09 | Allows the description of virtual assets composed from 2 or more assets with cross references and repositioning. | | [Web Map Links](https://github.com/stac-extensions/web-map-links) | none, | Catalog, Collection, Item | Proposal | 1.2.0 | 2023-08-28 | Allows to provide links to web maps for visualization purposes | -| [xarray Assets](https://github.com/stac-extensions/xarray-assets) | xarray | Asset | Deprecated | 1.0.0 | 2021-06-30 | This extension helps users open STAC Assets with xarray. It gives a place for catalog maintainers to specify various required or recommended options. | | [Zarr Extension Specification](https://github.com/stac-extensions/zarr) | zarr | Asset | Proposal | 1.1.0 | 2025-09-04 | This extension helps users open Zarr assets. It includes core fields from Zarr attributes especially those required when opening Zarr stores. | +| [Aerial Photography](https://github.com/linz/stac/tree/master/extensions/aerial-photo)* | aerial-photo | Collection, Item | *WIP* | *Unknown* | *Unknown* | Aerial photography related metadata, such as run, sequence number, altitude and scale. | +| [Application](https://github.com/stac-extensions/application) | application | Assets, Item, Links | *WIP* | **Unreleased** | N/A | Describes applications (examples, workflows, ...) and links to them for execution. | +| [Archive](https://github.com/stac-extensions/archive) | archive | Collection, Item | *WIP* | **Unreleased** | N/A | Archive extension that deals with cases when files are not directly accessible on their respective storage, but are part of an archive file, such as ZIP or TAR archives. | +| [Camera](https://github.com/linz/stac/tree/master/extensions/camera)* | camera | Collection, Item | *WIP* | *Unknown* | *Unknown* | Camera related metadata, such as focal length and sequence number. Especially useful for aerial imagery surveys. | +| [Composite](https://github.com/stac-extensions/composite) | composite | Item | *WIP* | **Unreleased** | N/A | Defines how virtual assets can be composed from existing assets in STAC | +| [Film](https://github.com/linz/stac/tree/master/extensions/film)* | film | Collection, Item | *WIP* | *Unknown* | *Unknown* | Film related metadata, such as roll, negative sequence and other physical attributes. Especially useful for digitised historic aerial imagery surveys. | +| [Hyperspectral Imagery](https://github.com/stac-extensions/hsi) | hsi | Collection, Item | *WIP* | **Unreleased** | N/A | Extension for Hyperspectral Imagery, to preserve the wavelength information for Items. | +| [Moving Features](https://github.com/stac-extensions/moving-features) | mf | Item | *WIP* | **Unreleased** | N/A | stac extension for moving features | +| [Scanning](https://github.com/linz/stac/tree/master/extensions/scanning)* | scan | Collection, Item | *WIP* | *Unknown* | *Unknown* | Scanning related metadata, such as the scan date and time. Especially useful for digitised images. | +| [Deep Learning Model Extension](https://github.com/crim-ca/dlm-extension)* | dlm | Asset, Collection, Item, Links | Deprecated | 1.0.0 | 2024-04-18 | Deep Learning Model STAC Extension (deprecated, see https://github.com/stac-extensions/mlm instead) | +| [Item Assets Definition](https://github.com/stac-extensions/item-assets) | - | Collection | Deprecated | 1.0.0 | 2021-03-08 | Provides a way to specify details about what assets may be found in Items belonging to a Collection. | +| [ML Model](https://github.com/stac-extensions/ml-model) | ml-model | Collection, Item | Deprecated | 1.0.0 | 2021-12-14 | An Item and Collection extension to describe machine learning (ML) models that operate on Earth observation data. | +| [Sentinel-3](https://github.com/stac-extensions/sentinel-3) | s3 | Item | Deprecated | 0.2.0 | 2024-06-10 | Sentinel-3 STAC Extension | +| [Single File STAC](https://github.com/stac-extensions/single-file-stac) | - | Collection, Item | Deprecated | **Unreleased** | N/A | An extension to provide a set of Collections and Items within a single file STAC. | +| [Time Series](https://github.com/stac-extensions/timeseries) | ts | Collection, Item | Deprecated | **Unreleased** | N/A | Time Series STAC Extension Specification | +| [xarray Assets](https://github.com/stac-extensions/xarray-assets) | xarray | Asset | Deprecated | 1.0.0 | 2021-06-30 | This extension helps users open STAC Assets with xarray. It gives a place for catalog maintainers to specify various required or recommended options. | -* **Last updated:** Nov 07 2025, 01:40 UTC +* **Last updated:** Nov 08 2025, 00:46 UTC * **Count:** 83 -### Grouped by maturity - - -#### Stable - -* [Electro-Optical](https://github.com/stac-extensions/eo) - -* [File Info](https://github.com/stac-extensions/file) - -* [Landsat](https://github.com/stac-extensions/landsat) - -* [Projection](https://github.com/stac-extensions/projection) - -* [SAR](https://github.com/stac-extensions/sar) - -* [Scientific Citation](https://github.com/stac-extensions/scientific) - -* [View Geometry](https://github.com/stac-extensions/view) - - -#### Candidate - -* [Datacube](https://github.com/stac-extensions/datacube) - -* [Machine Learning Model Extension](https://github.com/stac-extensions/mlm) - -* [Processing](https://github.com/stac-extensions/processing) - -* [Raster](https://github.com/stac-extensions/raster) - -* [Satellite](https://github.com/stac-extensions/sat) - -* [Sentinel-2](https://github.com/stac-extensions/sentinel-2) - -* [Versioning Indicators](https://github.com/stac-extensions/version) - - -#### Pilot - -* [Alternate Assets](https://github.com/stac-extensions/alternate-assets) - -* [Anonymized Location](https://github.com/stac-extensions/anonymized-location) - -* [CARD4L (Optical and SAR)](https://github.com/stac-extensions/card4l) - -* [Classification](https://github.com/stac-extensions/classification) - -* [Grid](https://github.com/stac-extensions/grid) - -* [Label](https://github.com/stac-extensions/label) - -* [Military Grid Reference System](https://github.com/stac-extensions/mgrs) - -* [NOAA Geostationary Operational Environmental Satellite (GOES)](https://github.com/stac-extensions/goes) - -* [NOAA MRMS QPE](https://github.com/stac-extensions/noaa-mrms-qpe) - -* [Order](https://github.com/stac-extensions/order) - -* [Point Cloud](https://github.com/stac-extensions/pointcloud) - -* [Rendering](https://github.com/stac-extensions/render) - -* [Stats](https://github.com/stac-extensions/stats) - -* [Storage](https://github.com/stac-extensions/storage) - -* [Table](https://github.com/stac-extensions/table) - -* [Timestamps](https://github.com/stac-extensions/timestamps) - - -#### Proposal - -* [Accuracy](https://github.com/stac-extensions/accuracy) - -* [Altimetry](https://github.com/stac-extensions/altimetry) - -* [Attribution](https://github.com/stac-extensions/attribution) - -* [Authentication](https://github.com/stac-extensions/authentication) - -* [CEOS-ARD](https://github.com/stac-extensions/ceos-ard) - -* [CF](https://github.com/stac-extensions/cf) - -* [CMIP6](https://github.com/stac-extensions/cmip6) - -* [Contacts](https://github.com/stac-extensions/contacts) - -* [Disasters Charter](https://github.com/Terradue/stac-extensions-disaster)* - -* [Earthquake](https://github.com/stac-extensions/earthquake) - -* [Example Links](https://github.com/stac-extensions/example-links) - -* [Forecast](https://github.com/stac-extensions/forecast) - -* [InSAR](https://github.com/stac-extensions/insar) - -* [Language (I18N)](https://github.com/stac-extensions/language) - -* [Link Templates](https://github.com/stac-extensions/link-templates) - -* [Merkle Tree](https://github.com/stacchain/merkle-tree)* - -* [ML AOI](https://github.com/stac-extensions/ml-aoi) - -* [Monty](https://github.com/IFRCGo/monty-stac-extension)* - -* [Open Science Catalog](https://github.com/stac-extensions/osc) - -* [Perspective Imagery](https://github.com/stac-extensions/perspective-imagery) - -* [Product](https://github.com/stac-extensions/product) - -* [Quality](https://github.com/linz/stac/tree/master/extensions/quality)* - -* [Region](https://github.com/stac-extensions/region) - -* [Sentinel-1](https://github.com/stac-extensions/sentinel-1) - -* [Sentinel-5P](https://github.com/stac-extensions/sentinel-5p) - -* [Solar System](https://github.com/stac-extensions/ssys) - -* [Stereo Imagery](https://github.com/stac-extensions/stereo-imagery) - -* [Themes](https://github.com/stac-extensions/themes) - -* [Tiled Assets](https://github.com/stac-extensions/tiled-assets) - -* [TrainingDML-AI](https://github.com/openrsgis/trainingdml-ai-extension)* - -* [U.S. Fish & Wildlife Service (FWS) National Wetlands Inventory (NWI)](https://github.com/stac-extensions/usfws-nwi) - -* [Video](https://github.com/stac-extensions/video) - -* [Virtual Assets](https://github.com/stac-extensions/virtual-assets) - -* [Web Map Links](https://github.com/stac-extensions/web-map-links) - -* [Zarr Extension Specification](https://github.com/stac-extensions/zarr) - - -#### WIP - -* [Aerial Photography](https://github.com/linz/stac/tree/master/extensions/aerial-photo)* - -* [Application](https://github.com/stac-extensions/application) - -* [Archive](https://github.com/stac-extensions/archive) - -* [Camera](https://github.com/linz/stac/tree/master/extensions/camera)* - -* [Composite](https://github.com/stac-extensions/composite) - -* [Film](https://github.com/linz/stac/tree/master/extensions/film)* - -* [Hyperspectral Imagery](https://github.com/stac-extensions/hsi) - -* [Moving Features](https://github.com/stac-extensions/moving-features) - -* [Scanning](https://github.com/linz/stac/tree/master/extensions/scanning)* - - -#### Deprecated - -* [Deep Learning Model Extension](https://github.com/crim-ca/dlm-extension)* - -* [Item Assets Definition](https://github.com/stac-extensions/item-assets) - -* [ML Model](https://github.com/stac-extensions/ml-model) - -* [Sentinel-3](https://github.com/stac-extensions/sentinel-3) - -* [Single File STAC](https://github.com/stac-extensions/single-file-stac) - -* [Time Series](https://github.com/stac-extensions/timeseries) - -* [xarray Assets](https://github.com/stac-extensions/xarray-assets) - - - ## Adding a new extension The general idea on how to [extend STAC](https://github.com/radiantearth/stac-spec/blob/master/extensions/README.md#extending-stac) From bbeb341b31bdbddf85d9e12e4b55cb2eda04d9d4 Mon Sep 17 00:00:00 2001 From: STAC CI Date: Sun, 9 Nov 2025 00:53:31 +0000 Subject: [PATCH 03/13] :robot: Automated update README: Sun Nov 9 00:53:31 UTC 2025 [skip ci] --- README.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/README.md b/README.md index d379249..3c1246a 100644 --- a/README.md +++ b/README.md @@ -107,7 +107,7 @@ This list of extensions is grouped by [maturity](https://github.com/radiantearth | [Time Series](https://github.com/stac-extensions/timeseries) | ts | Collection, Item | Deprecated | **Unreleased** | N/A | Time Series STAC Extension Specification | | [xarray Assets](https://github.com/stac-extensions/xarray-assets) | xarray | Asset | Deprecated | 1.0.0 | 2021-06-30 | This extension helps users open STAC Assets with xarray. It gives a place for catalog maintainers to specify various required or recommended options. | -* **Last updated:** Nov 08 2025, 00:46 UTC +* **Last updated:** Nov 09 2025, 00:53 UTC * **Count:** 83 ## Adding a new extension From 1d3b3dc0f1f9657a718fcf3a6a4be933e82bce50 Mon Sep 17 00:00:00 2001 From: STAC CI Date: Mon, 10 Nov 2025 00:53:38 +0000 Subject: [PATCH 04/13] :robot: Automated update README: Mon Nov 10 00:53:38 UTC 2025 [skip ci] --- README.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/README.md b/README.md index 3c1246a..397aa9c 100644 --- a/README.md +++ b/README.md @@ -107,7 +107,7 @@ This list of extensions is grouped by [maturity](https://github.com/radiantearth | [Time Series](https://github.com/stac-extensions/timeseries) | ts | Collection, Item | Deprecated | **Unreleased** | N/A | Time Series STAC Extension Specification | | [xarray Assets](https://github.com/stac-extensions/xarray-assets) | xarray | Asset | Deprecated | 1.0.0 | 2021-06-30 | This extension helps users open STAC Assets with xarray. It gives a place for catalog maintainers to specify various required or recommended options. | -* **Last updated:** Nov 09 2025, 00:53 UTC +* **Last updated:** Nov 10 2025, 00:53 UTC * **Count:** 83 ## Adding a new extension From 50f575ab4e008f65f92ac19c9882e960453678e7 Mon Sep 17 00:00:00 2001 From: STAC CI Date: Tue, 11 Nov 2025 00:51:51 +0000 Subject: [PATCH 05/13] :robot: Automated update README: Tue Nov 11 00:51:51 UTC 2025 [skip ci] --- README.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/README.md b/README.md index 397aa9c..305c252 100644 --- a/README.md +++ b/README.md @@ -107,7 +107,7 @@ This list of extensions is grouped by [maturity](https://github.com/radiantearth | [Time Series](https://github.com/stac-extensions/timeseries) | ts | Collection, Item | Deprecated | **Unreleased** | N/A | Time Series STAC Extension Specification | | [xarray Assets](https://github.com/stac-extensions/xarray-assets) | xarray | Asset | Deprecated | 1.0.0 | 2021-06-30 | This extension helps users open STAC Assets with xarray. It gives a place for catalog maintainers to specify various required or recommended options. | -* **Last updated:** Nov 10 2025, 00:53 UTC +* **Last updated:** Nov 11 2025, 00:51 UTC * **Count:** 83 ## Adding a new extension From 174c65d213982854bb4f9db69799821e45a19833 Mon Sep 17 00:00:00 2001 From: STAC CI Date: Wed, 12 Nov 2025 00:51:41 +0000 Subject: [PATCH 06/13] :robot: Automated update README: Wed Nov 12 00:51:41 UTC 2025 [skip ci] --- README.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/README.md b/README.md index 305c252..bb29667 100644 --- a/README.md +++ b/README.md @@ -107,7 +107,7 @@ This list of extensions is grouped by [maturity](https://github.com/radiantearth | [Time Series](https://github.com/stac-extensions/timeseries) | ts | Collection, Item | Deprecated | **Unreleased** | N/A | Time Series STAC Extension Specification | | [xarray Assets](https://github.com/stac-extensions/xarray-assets) | xarray | Asset | Deprecated | 1.0.0 | 2021-06-30 | This extension helps users open STAC Assets with xarray. It gives a place for catalog maintainers to specify various required or recommended options. | -* **Last updated:** Nov 11 2025, 00:51 UTC +* **Last updated:** Nov 12 2025, 00:51 UTC * **Count:** 83 ## Adding a new extension From 9c9e4df2efeb00d71c34418d6c8f9e1510109ef1 Mon Sep 17 00:00:00 2001 From: STAC CI Date: Thu, 13 Nov 2025 00:51:46 +0000 Subject: [PATCH 07/13] :robot: Automated update README: Thu Nov 13 00:51:46 UTC 2025 [skip ci] --- README.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/README.md b/README.md index bb29667..7aef162 100644 --- a/README.md +++ b/README.md @@ -107,7 +107,7 @@ This list of extensions is grouped by [maturity](https://github.com/radiantearth | [Time Series](https://github.com/stac-extensions/timeseries) | ts | Collection, Item | Deprecated | **Unreleased** | N/A | Time Series STAC Extension Specification | | [xarray Assets](https://github.com/stac-extensions/xarray-assets) | xarray | Asset | Deprecated | 1.0.0 | 2021-06-30 | This extension helps users open STAC Assets with xarray. It gives a place for catalog maintainers to specify various required or recommended options. | -* **Last updated:** Nov 12 2025, 00:51 UTC +* **Last updated:** Nov 13 2025, 00:51 UTC * **Count:** 83 ## Adding a new extension From 5cda08ebba7ce822ebc7e72333ffc93cc7cc7b82 Mon Sep 17 00:00:00 2001 From: STAC CI Date: Fri, 14 Nov 2025 00:51:42 +0000 Subject: [PATCH 08/13] :robot: Automated update README: Fri Nov 14 00:51:42 UTC 2025 [skip ci] --- README.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/README.md b/README.md index 7aef162..ef32b3d 100644 --- a/README.md +++ b/README.md @@ -107,7 +107,7 @@ This list of extensions is grouped by [maturity](https://github.com/radiantearth | [Time Series](https://github.com/stac-extensions/timeseries) | ts | Collection, Item | Deprecated | **Unreleased** | N/A | Time Series STAC Extension Specification | | [xarray Assets](https://github.com/stac-extensions/xarray-assets) | xarray | Asset | Deprecated | 1.0.0 | 2021-06-30 | This extension helps users open STAC Assets with xarray. It gives a place for catalog maintainers to specify various required or recommended options. | -* **Last updated:** Nov 13 2025, 00:51 UTC +* **Last updated:** Nov 14 2025, 00:51 UTC * **Count:** 83 ## Adding a new extension From 7b38d0b7a9e76084f031ae2158976da48c8188a7 Mon Sep 17 00:00:00 2001 From: STAC CI Date: Sat, 15 Nov 2025 00:49:37 +0000 Subject: [PATCH 09/13] :robot: Automated update README: Sat Nov 15 00:49:37 UTC 2025 [skip ci] --- README.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/README.md b/README.md index ef32b3d..310288f 100644 --- a/README.md +++ b/README.md @@ -107,7 +107,7 @@ This list of extensions is grouped by [maturity](https://github.com/radiantearth | [Time Series](https://github.com/stac-extensions/timeseries) | ts | Collection, Item | Deprecated | **Unreleased** | N/A | Time Series STAC Extension Specification | | [xarray Assets](https://github.com/stac-extensions/xarray-assets) | xarray | Asset | Deprecated | 1.0.0 | 2021-06-30 | This extension helps users open STAC Assets with xarray. It gives a place for catalog maintainers to specify various required or recommended options. | -* **Last updated:** Nov 14 2025, 00:51 UTC +* **Last updated:** Nov 15 2025, 00:49 UTC * **Count:** 83 ## Adding a new extension From f54e0e7f92fa95f8d0e5874e060d5912ccf96063 Mon Sep 17 00:00:00 2001 From: STAC CI Date: Sun, 16 Nov 2025 00:54:53 +0000 Subject: [PATCH 10/13] :robot: Automated update README: Sun Nov 16 00:54:53 UTC 2025 [skip ci] --- README.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/README.md b/README.md index 310288f..42baf2a 100644 --- a/README.md +++ b/README.md @@ -107,7 +107,7 @@ This list of extensions is grouped by [maturity](https://github.com/radiantearth | [Time Series](https://github.com/stac-extensions/timeseries) | ts | Collection, Item | Deprecated | **Unreleased** | N/A | Time Series STAC Extension Specification | | [xarray Assets](https://github.com/stac-extensions/xarray-assets) | xarray | Asset | Deprecated | 1.0.0 | 2021-06-30 | This extension helps users open STAC Assets with xarray. It gives a place for catalog maintainers to specify various required or recommended options. | -* **Last updated:** Nov 15 2025, 00:49 UTC +* **Last updated:** Nov 16 2025, 00:54 UTC * **Count:** 83 ## Adding a new extension From f6925edbfdbdbd8508cc28085a95ae866accab55 Mon Sep 17 00:00:00 2001 From: STAC CI Date: Mon, 17 Nov 2025 00:52:36 +0000 Subject: [PATCH 11/13] :robot: Automated update README: Mon Nov 17 00:52:36 UTC 2025 [skip ci] --- README.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/README.md b/README.md index 42baf2a..fe61402 100644 --- a/README.md +++ b/README.md @@ -107,7 +107,7 @@ This list of extensions is grouped by [maturity](https://github.com/radiantearth | [Time Series](https://github.com/stac-extensions/timeseries) | ts | Collection, Item | Deprecated | **Unreleased** | N/A | Time Series STAC Extension Specification | | [xarray Assets](https://github.com/stac-extensions/xarray-assets) | xarray | Asset | Deprecated | 1.0.0 | 2021-06-30 | This extension helps users open STAC Assets with xarray. It gives a place for catalog maintainers to specify various required or recommended options. | -* **Last updated:** Nov 16 2025, 00:54 UTC +* **Last updated:** Nov 17 2025, 00:52 UTC * **Count:** 83 ## Adding a new extension From 6c95b02be303139776cabf632517da3952d03541 Mon Sep 17 00:00:00 2001 From: STAC CI Date: Tue, 18 Nov 2025 00:50:49 +0000 Subject: [PATCH 12/13] :robot: Automated update README: Tue Nov 18 00:50:49 UTC 2025 [skip ci] --- README.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/README.md b/README.md index fe61402..8a2cd4d 100644 --- a/README.md +++ b/README.md @@ -107,7 +107,7 @@ This list of extensions is grouped by [maturity](https://github.com/radiantearth | [Time Series](https://github.com/stac-extensions/timeseries) | ts | Collection, Item | Deprecated | **Unreleased** | N/A | Time Series STAC Extension Specification | | [xarray Assets](https://github.com/stac-extensions/xarray-assets) | xarray | Asset | Deprecated | 1.0.0 | 2021-06-30 | This extension helps users open STAC Assets with xarray. It gives a place for catalog maintainers to specify various required or recommended options. | -* **Last updated:** Nov 17 2025, 00:52 UTC +* **Last updated:** Nov 18 2025, 00:50 UTC * **Count:** 83 ## Adding a new extension From 41b4b59986151b2b8c004a8e60cddb077c83e0d5 Mon Sep 17 00:00:00 2001 From: STAC CI Date: Wed, 19 Nov 2025 00:50:57 +0000 Subject: [PATCH 13/13] :robot: Automated update README: Wed Nov 19 00:50:57 UTC 2025 [skip ci] --- README.md | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/README.md b/README.md index 8a2cd4d..3007804 100644 --- a/README.md +++ b/README.md @@ -56,6 +56,7 @@ This list of extensions is grouped by [maturity](https://github.com/radiantearth | [Table](https://github.com/stac-extensions/table) | table | Collection, Item | Pilot | 1.2.0 | 2021-08-30 | Describes tabular data assets using a list of Column objects. Tables can be specified in Collections. | | [Timestamps](https://github.com/stac-extensions/timestamps) | - | Catalog, Collection, Item | Pilot | 1.1.0 | 2023-01-05 | Allows to specify numerous additional timestamps for assets and metadata. | | [Accuracy](https://github.com/stac-extensions/accuracy) | accuracy | Collection, Item | Proposal | 1.0.0-beta.1 | 2023-12-18 | Fields to provide estimates of accuracy, both geometric and measurement (e.g., radiometric) accuracy. | +| [Additional Identifiers](https://github.com/stac-extensions/external-ids) | - | Catalog, Collection, Item | Proposal | 1.0.0 | 2025-11-18 | A construct to provide additional identifiers in STAC, as originally defined in OGC APIs. | | [Altimetry](https://github.com/stac-extensions/altimetry) | altm | Item | Proposal | 0.1.0 | 2024-06-10 | Altimetry Extension Specification | | [Attribution](https://github.com/stac-extensions/attribution) | - | Collection, Item | Proposal | 0.1.0 | 2024-08-01 | Allows to provide an attribution, e.g. for maps, compliant with OGC API Collections | | [Authentication](https://github.com/stac-extensions/authentication) | auth | Asset, Catalog, Collection, Item, Links | Proposal | 1.1.0 | 2024-05-27 | Adds fields to define authentication or authorization flows used to access Assets and Links behind security | @@ -107,8 +108,8 @@ This list of extensions is grouped by [maturity](https://github.com/radiantearth | [Time Series](https://github.com/stac-extensions/timeseries) | ts | Collection, Item | Deprecated | **Unreleased** | N/A | Time Series STAC Extension Specification | | [xarray Assets](https://github.com/stac-extensions/xarray-assets) | xarray | Asset | Deprecated | 1.0.0 | 2021-06-30 | This extension helps users open STAC Assets with xarray. It gives a place for catalog maintainers to specify various required or recommended options. | -* **Last updated:** Nov 18 2025, 00:50 UTC -* **Count:** 83 +* **Last updated:** Nov 19 2025, 00:50 UTC +* **Count:** 84 ## Adding a new extension