Boston 2024, the organization behind the proposal to bring the Olymics to Boston will be releasing its much-anticipated revised proposal on June 30. The following evening, Weds. July 1, the organization will present its plan at a community meeting at Robsham Theater at Boston College (140 Commonwealth Ave.) from 6:30-8:30 p.m. No tickets or advance registration is required. Parking will be available in the Commonwealth Ave. garage. Follow signs from Commonwealth Ave.