This document provides information on development projects in various neighborhoods in downtown San Diego, including East Village, Gaslamp Quarter, Cortez, Marina, Columbia, Core, Little Italy, and Horton Plaza. It lists over 100 specific development projects, developers, and related details. The projects involve new residential and mixed-use buildings, hotels, infrastructure improvements, and expansions to the convention center and Petco Park. Overall, the document outlines extensive development plans across multiple neighborhoods in downtown San Diego.