The document summarizes new features in Sencha Architect 4.1 and Themer 1.1. Architect 4.1 adds support for Ext JS 6.2.1, drag and drop premium components like D3 charts, calendars and pivot grids. It improves grid functionality and allows extending controller and models. Themer 1.1 allows directly theming applications in inspect mode and includes support for classic and modern toolkits. A theming contest was also announced with a $2500 prize.