1.139

CesiumGS/cesium1.139Mar 2, 2026by jjhembd

AI Summary

Adds panorama rendering capabilities, enhanced depth testing, and fixes Gaussian splat rendering race conditions.

Key Highlights

Added panorama support via `EquirectangularPanorama` and `CubeMapPanorama` classes.
Added GoogleStreetViewCubeMapPanoramaProvider support.
Added more depth testing options for billboards and labels.
Added support for more metadata types in custom shaders via property textures.

New Features

Panorama rendering classes.
Google Street View cube map provider.
Enhanced depth testing.
Extended metadata support in shaders.
Gaussian splat race condition fixes.

Full Release Notes

1.139 - 2026-03-02

Highlights include:
- Added panorama support via new `EquirectangularPanorama` and `CubeMapPanorama` classes, along with `GoogleStreetViewCubeMapPanoramaProvider` for loading cube map faces from the Google Street View Static API and rendering them in a cube map panorama. [#13153](https://github.com/CesiumGS/cesium/pull/13153/)
- Added more depth testing options for billboards and labels. [#12994](https://github.com/CesiumGS/cesium/pull/12994)
- Added support for more metadata types via property textures in custom shaders. [#13135](https://github.com/CesiumGS/cesium/pull/13135)
- Modified Sandcastle application to use a hybrid text and semantic, embedding based search. [#13090](https://github.com/CesiumGS/cesium/pull/13090)
- Fixed Gaussian splat race conditions in snapshot/sort updates. [#13016](https://github.com/CesiumGS/cesium/issues/13016) [#12965](https://github.com/CesiumGS/cesium/issues/12965)
- Fixed flashing when rendering multiple Gaussian splat primitives. [#12967](https://github.com/CesiumGS/cesium/issues/12967)

See the [changelog](https://github.com/CesiumGS/cesium/blob/1.139/CHANGES.md) for the complete list of changes.