Cesium Release Roundup blog posts are monthly summaries of recent releases for all Cesium products. Click here to see previous posts: Cesium Release Roundup – Cesium If you want to be notified when a new roundup is available, scroll to the bottom of this thread and choose “Watching” from the notifi…

Happy New Year! New Cesium releases are available: CesiumJS 1.125 expands the integration with the iTwin Platform to load GeoJSON and KML data from the Reality Management API. Cesium for Unreal 2.12.0 removes support for Unreal Engine 5.2. Unreal Engine 5.3 or later is now required. Cesium for Uni…

New Cesium releases are available: CesiumJS 1.126 adds ITwinData.loadGeospatialFeatures(iTwinId, collectionId) function to load data from the Geospatial Features API. Cesium for Unreal 2.13.1 adds CesiumUrlTemplateRasterOverlay, allowing a raster overlay to be added using tiles requested based on …

New Cesium releases are available: CesiumJS 1.127 updates Cesium3DTilesVoxelProvider to load glTF tiles using the new EXT_primitive_voxels extension to more closely align with the rest of the 3D Tiles ecosystem. Cesium for Unreal 2.14.0 adds support for drawing 3D Tilesets to Runtime Virtual Textu…

New Cesium releases are available: CesiumJS 1.128 adds support for loading iTwin data using share keys as an alternative to user-based OAuth. When using a share key, set ITwinPlatform.defaultShareKey. In Cesium for Unreal 2.15.0, actors spawned through the Cesium editor panel, such as tilesets and…

New Cesium releases are available: In CesiumJS 1.129, VoxelProvider.minimumBounds and .maximumBounds are now specified as physical values, rather than shape space values. Cesium for Unreal 2.16.0 adds the ability to query the Cesium ion geocoder from Blueprints to resolve place names and addresses…

New Cesium releases are available: CesiumJS 1.130 adds basic support for draping imagery on 3D Tiles. Cesium for Unreal 2.16.1 adds support for TRIANGLE_FAN primitives in tile meshes. Cesium for Unity 1.16.1 incorporates Cesium Native v0.48.0. Cesium ion highlights include Design Tiler and Reality…

New Cesium releases are available: CesiumJS 1.131 adds experimental support for loading 3D Tiles with Gaussian splats encoded with SPZ compression using the draft glTF extension. Cesium for Unreal 2.17.0 adds support for Unreal Engine 5.6. Cesium for Unity 1.16.2 fixes broken support for TRIANGLE_…

New Cesium releases are available: CesiumJS 1.132 fixes incorrect polygon culling in 2D scene mode. Cesium for Unreal 2.18.0 adds the ability to load GeoJSON and render its lines and polygons draped over terrain or 3D Tiles. Cesium for Unity 1.17.0 adds support for Cesium3DTileset tile selection u…

New Cesium releases are available: CesiumJS 1.133 adds Ellipsoid.MARS for use with Mars terrain and imagery. Cesium for Unreal 2.19.1 adds assets for the IAU2015 Moon and Mars ellipsoids under Content. Cesium for Unity 1.18.0 adds option to ignore the KHR_material_unlit extension to force default …

New Cesium releases are available: CesiumJS 1.134 adds Google2DImageryProvider to load imagery from Google Maps. Cesium for Unreal 2.20.0 adds support for rendering glTFs with line primitives. Cesium ion highlights include Google Maps attribution, Mars data, and tilers updates. More highlights an…

Cesium Release Roundup

General

Monica December 10, 2025, 3:49pm 55

Hello, community! Our next set of releases will come Monday, January 5, 2026.

Topic		Replies	Views
Cesium in 2021 - What would you like to see? General cesium-js , features	19	2945	April 14, 2021
New CesiumJS release General announcement	14	2693	June 25, 2021
What would you like to see in CesiumJS in 2025? CesiumJS	24	1324	July 22, 2025
What would you like to see in CesiumJS? CesiumJS	35	2993	February 22, 2024
Cesium in 2018 - what do you want to see? CesiumJS	105	2161	December 5, 2018

Cesium Release Roundup

Related topics