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 notification drop down. Great features are on the way for CesiumJS, Cesium for Unreal, our tilers, and more - start watching now! (PS If you were already watching New CesiumJS release, you’ll want to watch this thread instead.) [image]

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 to longitude and latitude. Cesium for Unity 1.16.0 adds CesiumUrlTemplateRasterOverlay component, allowing a raster overlay to be added using tiles requested based on a specified URL template. Cesium for Omniverse now targets Kit 106.5. Cesium ion highlights include Design Tiler, Reality Tiler, and Cesium ion for Autodesk Revit Add-In improvements. More highlights and downloads are on our blog: [image] Cesium Releases in May 2025 New Cesium releases: CesiumJS 1.129, Cesium for Unreal 2.16.0, Cesium for Unity 1.16.0, Cesium for Omniverse 0.25.0, and Cesium ion updates. In case you missed them, we published these blog posts in April: Tracks Announced: Discover and Learn at the 2025 Cesium Developer Conference Buendea Supports NASA Advanced Operations Concepts Lab with Cesium Moon Terrain Deep Dive Workshop at the Cesium Developer Conference AEC and Digital Twins Galore at the Cesium Developer Conference Full Agenda and Plenary Highlights for the 2025 Cesium Developer Conference Technology and Knowledge Partners for the Cesium Developer Conference Xuan Huang Joins the Cesium Team as Software Engineer Climate Change, Disaster Resilience, and Technology Converge at the Cesium Developer Conference

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 Tiler updates. More highlights and downloads are on our blog: [image] Cesium Releases in June 2025 New Cesium releases: CesiumJS 1.130, Cesium for Unreal 2.16.1, Cesium for Unity 1.16.1, and Cesium ion updates. In case you missed them, we published these blog posts in May: Introducing 3D Tiles for Godot by Battle Road Getting Started with 3D Tiles for Godot Cesium ion Uses Iron Bank Container Images for Software Security Cesium at GEOINT 2025 Aerospace, Defense, and Open Geospatial Technologies at the Cesium Developer Conference Ansys Uses Cesium ion Self-Hosted for Geospatial Data Cloud Boost Graphics Uses Cesium to Give Premier League’s Global Audience a Geography Lesson Cesium Announces New Cohort of Ecosystem Grantees The Geospatial Revolution Is Open: How Developers Are Transforming the Landscape

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_FAN primitives in tile meshes. Cesium ion highlights include analysis on point clouds, tech preview for mesh reconstruction from photos, tech preview for Gaussian splats, and Reality Tiler updates. More highlights and downloads are on our blog: [image] Cesium Releases in July 2025 New Cesium releases: CesiumJS 1.131, Cesium for Unreal 2.17.0, Cesium for Unity 1.16.2, and Cesium ion updates. In case you missed them, we published these blog posts in June: Reality Capture and Open Data at the Cesium Developer Conference 耐震工学の研究者が歩むCesiumJS活用の軌跡 - デジタルツイン時代の構造ヘルスモニタリング (The Journey of an Earthquake Engineering Researcher Utilizing CesiumJS—Structural Health Monitoring in the Digital Twin Era) Hobu’s Eptium Visualizes Country-Scale Point Clouds with CesiumJS 3D Globe View Now Available in QGIS Cesium Roadmap for Bridging the Built and Natural Environment 日本工営 - Cesium for Unrealで描くインフラ革命 (Nippon Koei Transforms Infrastructure with Cesium for Unreal) HNTB Streamlines Infrastructure Project Visualization with Cesium Draping Imagery over 3D Tiles in CesiumJS

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 using orthographic views. Cesium ion highlights include improved rendering, scaling, and positioning of Gaussian splats. More highlights and downloads are on our blog: [image] Cesium Releases in August 2025 New Cesium releases: CesiumJS 1.132, Cesium for Unreal 2.18.0, Cesium for Unity 1.17.0, and Cesium ion updates. In case you missed them, we published these blog posts in July: Warfighting, Software, and the OTA Applications Now Open: iTwin Activate Cohort Focusing on Cesium and 3D Tiles Introducing Reality Modeling and AI-Powered Analysis Services with Cesium ion 2025 Cesium Developer Conference Session Recordings Now Available

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 lighting on tilesets. Cesium ion highlights include updates to the reality tiler and design tiler … and a new 3D Tileset coming soon. More highlights and downloads are on our blog: [image] Cesium Releases in September 2025 New Cesium releases: CesiumJS 1.133, Cesium for Unreal 2.19.1, Cesium for Unity 1.18.0, and Cesium ion updates. In case you missed them, we published these blog posts in August: Cesium at SIGGRAPH 2025 Parametrix Engages Communities and Wins Bids with Cesium 人工環境と自然環境の統合に向けたCesiumの技術ロードマップ Introducing iTwin Platform to Cesium Developers Relaunching the YouthMappers Academy: A Global Hub for Open Mapping Education

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 and downloads are on our blog: [image] Cesium Releases in October 2025 New Cesium releases: CesiumJS 1.134, Cesium for Unreal 2.20.0, and Cesium ion updates. In case you missed them, we published these blog posts in September: Lift Off to Cesium Mars MicroStation Advances Infrastructure Design with 3D Tiles Participants Announced for iTwin Activate Cohort Focusing on Cesium and 3D Tiles Propeller Streaming Complex IFC Files for Construction with 3D Tiles

New Cesium releases are available: CesiumJS 1.135 adds experimental support for loading 3D Tiles as terrain, via Cesium3DTilesTerrainProvider. Cesium for Unreal 2.21.0 adds CesiumAzureMapsRasterOverlay. Cesium for Unity 1.19.0 adds CesiumGoogleMapTilesRasterOverlay and CesiumAzureMapsRasterOverlay. Cesium ion highlights include Google Maps 2D imagery, Cesium Stories, Cesium ion Self-Hosted 1.8.0, and reality tiler updates. More highlights and downloads are on our blog: [image] Cesium Releases in November 2025 New Cesium releases: CesiumJS 1.135, Cesium for Unreal 2.21.0, Cesium for Unity 1.19.0, and Cesium ion updates. In case you missed them, we published these blog posts in October: Introducing Google Maps 2D Tiles in Cesium ion Terradepth Processes Seafloor Data at the Edge with Cesium ion Self-Hosted Glider Sim Players Fly the World with Cesium

New Cesium releases are available: CesiumJS 1.136 has improvements to picking and billboards Cesium for Unity 1.19.1 added much-requested experimental support for web builds Cesium for Unreal 2.21.1 includes bug fixes Cesium ion has now added Azure Maps 2D imagery assets as a Technology Preview Find more details and downloads in the blog post: Cesium Releases in December 2025 – Cesium Also, in case you missed it, we’ve published these blog posts in November: Advancing 3D Tiles and glTF in an Open Ecosystem, a conversation between Sean Lilley and Don McCurdy–who just joined the Cesium team–moderated by Amanda Morgan Forensic Rock Accelerates Accident Reconstruction with Google Photorealistic 3D Tiles, describing how Forensic Rock uses Cesium for Unreal VRAI Delivers Virtual All-Domain Environment with Cesium for Unreal, showing how VRAI is using Cesium for Unreal Cesium at I/ITSEC 2025, an overview of our plans for the I/ITSEC conference … we’re there right now!

Happy New Year! New Cesium releases are available: CesiumJS 1.137 adds fixes for texture coordinates in large billboard collections. Cesium for Unreal 2.22.0 replaces the “Auto Fill” button on UCesiumFeaturesMetadataComponent with “Add Properties”. Cesium for Unity 1.21.0 adds support for refreshing Cesium ion login tokens after they expire and the refresh token is still valid. Cesium for Omniverse 0.26.0 fixed loading KTX2 textures with mipmaps. Cesium ion highlights include updates to the Design Tiler and Reality Tiler. More highlights and downloads are on our blog: [image] Cesium Releases in January 2026 New Cesium releases: CesiumJS 1.137, Cesium for Unreal 2.22.0, Cesium for Unity 1.21.0, Cesium for Omniverse 0.26.0, and Cesium ion updates. In case you missed them, we published these blog posts in December: Virtual City Systems Advocates Open Source for Urban Digital Twins WSB Transforms Constructability Reviews with Cesium and 3D Tiles in Bentley Infrastructure Cloud Connect NORAD Tracks Santa: A Cesium-Powered Christmas Tradition

Cesium Release Roundup

General

Monica December 10, 2025, 3:49pm 55

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

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Cesium Release Roundup

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