Vision 7.1, released on October 24, 2013, introduces new features including enhanced invoice approvals, security updates, and advanced Work Breakdown Structure (WBS) search capabilities. The invoice approval process is streamlined with notifications, electronic comments, and flexibility for project managers and billers to manage invoices effectively. Additionally, improvements such as transaction auto numbering and transactional document management are included, enabling users to attach documents to transactions for better organization and accessibility.