ArcGIS REST JS is released according to semantic versioning. The version numbers can be thought of as MAJOR.MINOR.PATCH.
- Major versions indicate breaking changes.
- Minor versions indicate new features.
- Patch versions indicate bug fixes.
Each package in ArcGIS REST JS is released individually when it changes. This means that different packages may have different versions but all major versions are compatable with each other. Refer to the CHANGELOG.md file in each package on GitHub for a detailed list of changes in each package:
@esri/arcgis-rest-request@esri/arcgis-rest-feature-service@esri/arcgis-rest-geocoding@esri/arcgis-rest-routing@esri/arcgis-rest-demographics@esri/arcgis-rest-portal
For major versions, go to the upgrade sections in addition to the changelog.