Dear Readers, you must have certainly noticed the very important Special Issue, no. 1, 2024, dedicated to the 75th anniversary of Professor Jan Sokołowski. This Special Issue contains original, cutting-edge papers from the domains of interest and work of Jan Sokołowski, notably shape optimization and control theory. The paper are authored by the world-leading specialists in the field, and provide fresh new results in respective problem areas. we are convinced that this issue, and the papers therein, shall gain widespread recognition and popularity.

Note also that the remaining issues for the volume of 2024 (53), have been added. We expect the issues for the year 2025 to appear possibly soon.