Acknowledgements
This work is a collaboration across multiple teams at Google. Key contributors to this project include Ruofei Du, Benjamin Hersh, David Li, Xun Qian, Nels Numan, Zhongyi Zhou, Yanhe Chen, Xingyue Chen, Jiahao Ren, Robert Timothy Bettridge, Faraz Faruqi, Xiang ‘Anthony’ Chen, Steve Toh, and David Kim. The following researchers and engineers contributed to the XR Blocks framework: David Li and Ruofei Du (equal primary contributions), Nels Numan, Xun Qian, Yanhe Chen, and Zhongyi Zhou, (equal secondary contributions, sorted alphabetically), as well as Evgenii Alekseev, Geonsun Lee, Alex Cooper, Brandon Jones, Min Xia, Scott Chung, Jeremy Nelson, Xiuxiu Yuan, Jolica Dias, Tim Bettridge, Benjamin Hersh, Michelle Huynh, Konrad Piascik, Ricardo Cabello, and David Kim. We further thank the Gemini Canvas and AI Studio teams for their support including, but not limited to: Tim Bettridge, Yan Li, Daniel Marques, Deven Tokuno, Levent Yilmaz, Saravana Rathinam, Samuel Petit, Mike Taylor-Cai, Ammaar Reshi, and Robert Berry, We would like to thank Mahdi Tayarani, Max Dzitsiuk, Jim Ratcliffe, Patrick Hackett, Seeyam Qiu, Coco Fatus, Alon Hetzroni, Aaron Kim, Yinghua Yang, Brian Collins, Eric Gonzalez, Nicolás Peña Moreno, Yidang Zhang, Jamie Pepper, Yuhao He, Yi-Fei Li, Ziyi Liu, Jing Jin for their feedback and discussion on our early-stage proposal and WebXR experiments. We appreciate Tim Herrmann and Andrew Helton’s thoughtful reviews. We thank Maryam Sanglaji, Max Spear, Adarsh Kowdle, and Guru Somadder, Shahram Izadi for the directional feedback and contribution.

