This JOM topic is sponsored by the High-Temperature Alloys Committee of TMS and addresses advances in the manufacturing and processing of high-temperature alloys. Each year, the High-Temperature Alloys Committee organizes symposia at the TMS and Materials Science and Technology annual meetings, as well as specialty conferences such The International Symposium on Superalloys, European Symposium on Superalloys, and The World Congress on HEA. In 2022, a symposium was organized for the TMS annual meeting on February 27-March 3 in Anaheim, CA: ''Deformation and Damage Mechanisms of High-Temperature Alloys''. Later the same year, members of the HTA committee will co-organize the 4th European Symposium on Superalloys and Their Applications in Bamberg, Germany on September 18-22. Finally, in 2022, a symposium will be organized for the Materials Science and Technology Conference in Pittsburgh, PA on October 9-13: ''Alloy Phase transformations at elevated temperature alloys''. The TMS High-Temperature Alloys Committee meets at both the TMS Annual Meeting and Exhibition and the annual Materials Science and Technology conference. The meetings are open to anyone interested in high-temperature alloys.This special topic on High-Temperature Alloys: Manufacturing, Processing, and Repair included a range of topics including advanced processing methodologies, novel manufacturing techniques, process-microstructure-property relationships, and surface modification, repair, welding, and joining techniques. It attracted manuscripts from academic institutions and national laboratories to industry, showing the breadth of groups performing Publisher's Note Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.