1.125

CesiumGS/cesium1.125Jan 2, 2025by ggetz

AI Summary

This release enhances iTwin integration and optimizes performance for environment maps while fixing date formatting and rendering artifacts like z-fighting.

Key Highlights

Expanded iTwin Platform integration to load GeoJSON/KML via Reality Management API.
Added environmentMapOptions to ModelGraphics to control performance updates.
Reduced memory usage and performance bottlenecks for environment maps.
Fixed JulianDate to generate valid ISO strings with fractional milliseconds.

New Features

Loading GeoJSON and KML data from the Reality Management API.
Model graphics environment map control options.

Full Release Notes

1.125 - 2025-01-02

Highlights include:

- Expanded integration with the [iTwin Platform](https://developer.bentley.com/) to load GeoJSON and KML data from the Reality Management API. Use `ITwinData.createDataSourceForRealityDataId` to load data as either GeoJSON or KML. [#12344](https://github.com/CesiumGS/cesium/pull/12344)
- Added `environmentMapOptions` to `ModelGraphics`. For performance reasons by default, the environment map will not update if the entity position change. If environment map updates based on entity position are desired, provide an appropriate `environmentMapOptions.maximumPositionEpsilon` value. [#12358](https://github.com/CesiumGS/cesium/pull/12358)
- Reduced memory usage and performance bottlenecks when using environment maps with models. [#12356](https://github.com/CesiumGS/cesium/issues/12356)
- Fixed `JulianDate` to always generate valid ISO strings for fractional milliseconds. [#12345](https://github.com/CesiumGS/cesium/pull/12345)
- Fixed intermittent z-fighting issue. [#12337](https://github.com/CesiumGS/cesium/issues/12337)

See the [changelog](https://github.com/CesiumGS/cesium/blob/1.125/CHANGES.md) for the complete list of changes.