All papers published in this volume of Journal of Physics: Conference Series have been peer reviewed through processes administered by the Editors. Reviews were conducted by expert referees to the professional and scientific standards expected of a proceedings journal published by IOP Publishing. • Type of peer review: Single-blind Conference submission management system: https://hervicon.sumdu.edu.ua/en/ • Number of submissions received: 70 • Number of submissions sent for review: 58 • Number of submissions accepted: 51 • Acceptance Rate (Number of Submissions Accepted / Number of Submissions Received X 100): 73% • Average number of reviews per paper: 2 • Total number of reviewers involved: 28 Any additional info on review process: Short description of review criteria: 1. Technical criteria (accuracy and correctness, readability and discussion of concepts, suitable references). 2. Quality criteria (novelty, scientific and practical interest of the results). 3. Presentation criteria (title - appropriate for the content; abstract - essential information; diagrams, figures, tables and captions-essential and clear; text and mathematics-brief and clear; conclusion - key points stand out). Contact person for queries: Andriy Zahorulko, Sumy State University, a.zagorulko@omdm.sumdu.edu.ua