Cesium DevCon 2026 talks are up, including a keynote from SQLite's creator
🌐 Cesium DevCon 2026: Session Archives Now Available
The 2026 Cesium Developer Conference has officially concluded, bringing together a global community of innovators for a series of high-impact technical sessions, visionary keynotes, expert panels, and a comprehensive pre-conference workshop.
The event focused on how open 3D geospatial technologies are revolutionizing critical industries, including:
- AECO (Architecture, Engineering, Construction, and Operations)
- Aerospace and Defense
- Gaming and Simulation
- Urban Planning and Infrastructure
🛠️ Conference Structure & Taxonomy
To help navigate the wealth of content, the sessions were organized into specific tracks and formats.
📺 Session Catalog
Below is the comprehensive list of recordings available from the event.
| Speaker(s) | Organization | Topic & Key Takeaways | Format |
|---|---|---|---|
| Hajime Wakabayashi | Earthbrain | Smart Construction Dashboard: Utilizing CesiumJS to create digital twins of earthwork sites via 3D Gaussian Splatting from drone imagery. | Breakout |
| Liz Dailey | CreateAccess | Empowering Youth: Using 3D geospatial tools to create economic opportunities in under-resourced communities. | Breakout |
| Adam Morris, Sean Lilley | Bentley Systems | 3D Tiles 2.0: An introduction to the next evolution of the open standard for streaming massive 3D geospatial datasets. | Breakout |
| Greg Beatty | Synopsys | Interplanetary Analysis: Applying 3DTiles to space-scale data, focusing on performance and precision. | Breakout |
| Technical Session | Cesium | Point Cloud Optimization: Strategies for rendering huge point clouds in CesiumJS using adaptive performance. | Deep Dive |
| Lucas Gigodot, Jeroen Vermeulen | Bentley | Photogrammetry Workflows: Best practices for 3D reconstruction using iTwin Capture and Cesium ion. | Breakout |
| Renaud Keriven, Michael Rubloff | Bentley / Radiance Fields | Reality Modeling: The latest updates and advancements in the field of reality capture. | Breakout |
| Jesse Fleri | Sandtable | Mentat Platform: Integrating AI and simulation to optimize autonomy and mission planning in complex terrains. | Breakout |
| Xuan Huang, Don McCurdy | Bentley Systems | 3D Vector Tiles: Bringing native 3D support to vector data and discussing upcoming use cases. | Breakout |
| Taiki Miyagawa | Nippon Koei | WebXR Integration: Creating multi-platform VR experiences directly in the browser | Breakout |
| Margarita Kartaviciute | Bentley Systems | AI + 3D: A workshop on merging LLM-powered chat interfaces with Cesium 3D visualizations. | Workshop |
| CalTa | CalTa | TRANCITY Nebula: A new digital twin service (launching March 2026) for Japanese infrastructure. | Breakout |
| Wayne Sullivan, Justin Gould | Parametrix | UE5 Transportation: Demos featuring Vissim importers, LA streetscapes, and Alaska cruise terminals. | Breakout |
| Luke McKinstry | Bentley Systems | Modern JS Setup: A deep dive into building interactive apps by streaming 3D Tiles from Cesium ion. | Workshop |
| Josh Rouzer, Justin Dehorty | Bentley Systems | Sandcastle Copilot: How agentic workflows and a UI overhaul are simplifying the CesiumJS learning curve. | Breakout |
| R. Fernandez Hergueta, S. Contreras | Arup | Madrid's Digital Twin: Transforming a city into software using open standards and real-time data fusion. | Breakout |
| Chengxuan Li | Cornell University | EnergyAtlas: Using city-scale digital twins in Ithaca, NY to plan electrification and retrofits. | Breakout |
| Olivier Lange | Uzufly Ltd | Web Components: Wrapping the Cesium API into custom elements like <cesium-viewer>. | Breakout |
| K. Click, N. Alameh, E. Lewis, et al. | Panel | Industry Pioneers: A cross-generational discussion on the future of geospatial leadership and talent. | Panel |
| Jason Newmoyer | NGS | CoreSpatial Portal: Integrating GeoServer OGC services with Cesium for hybrid 2D/3D workflows. | Breakout |
| Liz Dailey | CreateAccess | Geospatial Education: Hands-on experience with Cesium Stories for research and industry. | Breakout |
| Jack Strongitharm | Unity | Tiling Methodology: Comparing how Unity and Cesium deliver large-scale content. | Breakout |
🌟 Keynote Highlights
The conference concluded with a powerhouse lineup of visionaries.
Closing Keynote Feature: The finale featured Richard Hipp, the creator of SQLite, alongside Danny Williams, Bryan Beal, Patrick Cozzi, and Shehzan Mohammed. They discussed the intersection of lightweight data management and massive geospatial visualization.
🔬 Technical Deep Dives
1. Precision at Scale
For interplanetary analysis, the challenge is maintaining precision across astronomical distances. This can be conceptualized as: By utilizing 3D Tiles 2.0, developers can mitigate these precision errors.
2. Web Component Implementation
Olivier Lange demonstrated a way to simplify Cesium integration using a custom HTML tag. Instead of complex JS initialization, one can simply use:
<!-- Example of the proposed Web Components system -->
<cesium-viewer
terrain="cesiumWorldTerrain"
basemap="satellite"
layers="city-buildings-3d">
<cesium-model src="building_model.glb" position="123, 456, 789" />
</cesium-viewer>
🖼️ Visual Gallery
| Gaussian Splatting | AI for Beginners | 3D Tiles 2.0 |
|---|---|---|
 |  |  |
| Smart Construction | CesiumJS AI | glTF 2.1 Integration |
| Massive Scale Analysis | Adaptive Rendering | Reality Modeling |
|---|---|---|
 |  |  |
| 3DTile Analysis | Point Cloud Strategies | Reconstruction Results |
✅ Viewer's Checklist
If you are catching up on the recordings, we recommend this order:
- The Keynotes (For high-level vision)
- 3D Tiles 2.0 Session (For the latest standards)
- The WebXR & Web Components talks (For implementation tips)
- The Digital Twin Case Studies (Madrid & Ithaca)