OpenSim 4.6 beta has been released! We are pleased to announce the beta release of OpenSim 4.6. The new release includes: * A brand new visualizer with improved visualization quality and media creation tools * Several updates to the OpenSim API and Moco * New Python packaging options We encourage you to download the beta and provide feedback<https://forms.gle/JVgxJAHErqePPspn6>. Learn more<https://opensimconfluence.atlassian.net/wiki/spaces/OpenSim/pages/1274118147/Whats+New+in+OpenSim+4.6> | Download the Beta<https://simtk.org/frs/?group_id=91> Webinar on Using OpenCap for Large Scale Biomechanics Studies June 24, 2026, 9:00 PT We are pleased to announce our upcoming webinar with Parker Ruth from Stanford University entitled “Accelerating Biomarker Discovery through Large-Scale Motion Capture Using OpenCap” Mr. Ruth and colleagues from the Stanford Neuromuscular Biomechanics Lab have used the smartphone video-based tool OpenCap to conduct large-scale human movement data collection events to develop more quantitative and sensitive outcome measures for neuromuscular diseases. The protocols they developed have allowed them to record a battery of nine activities from up to 100 participants in a single weekend. In this two-part webinar, Mr. Ruth will share findings from the studies and present best practices for planning large-scale data collection events with OpenCap like his. This event will be hosted jointly by the Mobilize<http://mobilize.stanford.edu/> and FAIR<http://faircenter.stanford.edu/> Centers on Wednesday, June 24, 2026, at 9:00 AM Pacific Time. Learn more and register<https://faircenter.stanford.edu/2026/05/08/webinar-accelerating-biomarker-discovery-through-large-scale-motion-capture-using-opencap/> | Read the paper<https://ai.nejm.org/doi/abs/10.1056/AIoa2401137> Learn about OpenCap, AddBiomechanics, and AI Models at GCMAS and WCB Conferences The FAIR<http://faircenter.stanford.edu/> and Mobilize<http://mobilize.stanford.edu/> Center team is leading two upcoming conference workshops focused on OpenCap<http://opencap.ai/> (software for measuring human movement using smartphone videos), AddBiomechanics<http://addbiomechanics.org/> (cloud-based software for computing inverse kinematics and dynamics from marker-based motion capture data), and AI tools. Join us to learn how to utilize these tools for your research. OpenCap and AddBiomechanics: Tools for Large-Scale and Accessible Biomechanics Highlighted Tools: OpenCap, AddBiomechanics June 9-13, 2026 Gait and Clinical Movement Analysis Society (GCMAS) Annual Conference<https://na.eventscloud.com/website/87479/home/> Phoenix, Arizona Accelerating the Use of Artificial Intelligence to Analyze Human Motion: Hands-on Tutorial and Discussion Highlighted Tools: OpenCap, AddBiomechanics, AI tools July 11-16, 2026 World Congress of Biomechanics<https://wcb2026.com/> Vancouver, British Columbia, Canada Co-Designing Event for the Future of Health and Athlete Technology Stanford's Co-Design for Health and Technology (CHAT) workshop brought together 80+ students, engineers, clinicians, and individuals with lived experiences to co-design assistive technology solutions in a single day. From smart rowing gloves to prosthetic adaptations, teams built working prototypes alongside the people who would actually use them. Explore the prototypes and read the news release<https://faircenter.stanford.edu/2026/05/11/prototype-in-a-day-co-designing-the-future-of-health-and-athlete-technology/> — OpenSim, OpenCap, AddBiomechanics, and related AI tools are supported by the Mobilize Center<https://mobilize.stanford.edu/>, an NIH Biomedical Technology Resource Center (grant P41 EB027060); the FAIR Center<http://faircenter.stanford.edu/>, an NIH-funded Medical Rehabilitation Research Resource Network Center (grant P50 HD118632); and the Wu Tsai Human Performance Alliance <https://humanperformancealliance.org/> through the Joe and Clara Tsai Foundation. No longer want to receive these emails? Go to the OpenSim mailing list page<https://simtk.org/mail/index.php?group_id=91> and click “unsubscribe” from the opensim-announcement mailing list. You will need to log in, if you haven’t already done so.