Ray Summit, a free online event, has concluded its fourth iteration, Ray Summit Connect, which took place on August 12, 2020. The event featured talks and presentations by experts in the field of machine learning, including Simon Mo discussing Ray Serve, a scalable and programmable ML serving framework, and Qingqing Mao explaining how to build scalable natural language processing pipelines with Ray. Additionally, Ding Ding presented Project Zouwu, a scalable AutoML solution for telco time series analysis using Ray and Analytics Zoo. A Q&A session was also held, followed by a panel discussion moderated by Dean Wampler. The event is now available in video format for those who missed it, and the organizers invite attendees to join them at their next event, Ray Summit, scheduled to take place soon.