In a rapidly evolving world, technological innovation continues to shape economic growth, sustainability, and societal development. The book New Technologies, Development and Application presents selected papers from the International Conference on New Technologies, Development and Application – NT-2026, held from 25 to 27 June 2026. This volume offers a multidisciplinary overview of current research and practical applications of advanced and emerging technologies .The proceedings highlight recent achievements in areas such as Artificial Intelligence, Robotics, Industry 4.0 and 5.0, Intelligent Transportation Systems, Digital Twins, Energy Efficiency, Environmental Engineering, Advanced Materials, Construction Technologies, Healthcare Systems, and Digital Transformation. Through analytical studies, experimental research, case studies, and systematic reviews, the authors address both technological development and its real-world impact.Special emphasis is placed on sustainable and human-centric solutions, smart infrastructure, automation, data-driven decision-making, and the integration of digital technologies across industry, public administration, education, and services. The book also reflects the growing role of interdisciplinary research in solving complex technical, economic, and societal challenges.This publication is intended for researchers, professionals, decision-makers, and students seeking insight into current technological trends and future development pathways. By combining scientific excellence with practical relevance, the NT-2026 proceedings demonstrate how new technologies are shaping modern society and creating opportunities for innovation-driven progress.