# Unconference Topics (Immersive Web F2F) * Creating WebXR OSS examples and developer tutorials for creating XR apps that follow best practices, using Unity, three.js, A-Frame, Wonderland Engine, etc. It'd also be cool to show acccessibility best practices. Contributing to [a portal](https://tinyurl.com/xrdevportal) that is open source, built using WebXR for WebXR, and is open to community contributors. Aiming to have it published by AWE and able to be demonstrated on devices on the show floor on multiple XR devices including mobile, VR headsets and AR headsets. - Jared * DOM Layers: * How do they work? * What is the status of this spec? (last issue raised in June 2021 https://github.com/immersive-web/webxr/issues/1209) * (Show 2D browser in XR) * More Model Element stuff?
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Kelsey Gilbert
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