Overview of STAC Extensions, with advice on creating new extensions

Items that relate labeled AOIs with source imagery.

An Item and Collection extension to describe machine learning (ML) models that operate on Earth observation data.

STAC Machine Learning Model (MLM) Extension to describe ML models, their training details, and inference runtime requirements.

Provides a way to describe Items whose assets are in a geospatial projection.

Generic Product-related properties for STAC

View Geometry adds metadata related to angles of sensors and other radiance angles that affect the view of resulting data.

Datacube related metadata to describe their dimensions and variables.

Adds fields to define authentication or authorization flows used to access Assets and Links behind security