1.139

ByteDance-Seed/SeedVR1.139Mar 2, 2026by jjhembd

AI Summary

This release introduces major visualization enhancements including panorama support, improved depth testing for labels and billboards, and expanded metadata handling in custom shaders.

Key Highlights

Added panorama support via new EquirectangularPanorama and CubeMapPanorama classes.
Added more depth testing options for billboards and labels.
Added support for more metadata types via property textures in custom shaders.
Fixed Gaussian splat race conditions and rendering flashing issues.

New Features

EquirectangularPanorama and CubeMapPanorama classes
GoogleStreetViewCubeMapPanoramaProvider for loading Street View cube maps
Enhanced depth testing options for billboards and labels
Metadata type support in custom shaders
Hybrid text and semantic search in Sandcastle application

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.