This review paper is written to summarize the scientific efforts made to enhance hybrid manufacturing (HM) technology. The HM technology has gained significant attention both in industry and academia. Additive manufacturing (AM) technology has played a decisive role in this scenario that provides numerous advantages over conventional methods of manufacturing. In general, with the advent of new technologies in the system of manufacturing, there has been an increase in the demand of customers and markets as competition has increased. The paper starts with the advantages and disadvantages of HM and AM, with a focus on the metal additive manufacturing (MAM) and wire arc additive manufacturing (WAAM) systems and their work. From onwards, scientific and engineering efforts to evaluate the surface quality of the part and the heat affected zone effect on the microstructure and mechanical properties during the WAAM process have been discussed. How this technology has evolved over time has been described comprehensively.

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