Esri's web development advancements are highlighted, with Julie Powell and her team showcasing web components, visualization, ArcGIS Knowledge, editing, and 3D. Omar Kawach demonstrates rapid WebMap integration and customization using the ArcGIS Maps SDK for JavaScript and Calcite design system. Kristian Ekenes unveils new visualization features like link charts and animated symbols for knowledge graph data. Jose Banuelos showcases enhanced web editing, including geometry operators for efficient feature placement. Hugo Campos explores the JavaScript SDK's 3D capabilities, including model placement, time-enabled scene layers, oriented imagery, and multiple highlights in a practical application.