Editors’ choice for the thematic issue “Physics of Ferroelastics” is the paper entitled “Multiorder and the Structural Mechanism of the LiRh2O4 Tetragonal Phase Formation” by M. V. Talanov, V. B. Shirokov, V. M. Talanov, and M. S. Aulov (Bulletin of the Russian Academy of Sciences: Physics, 2023, Volume 87, Issue 9, P. 1263-1269) and for the thematic issue “Relaxation Phenomena in Solids” is the paper entitled “Structure and electrical properties of multilayer nanostructures (Mg/ZrO2)52” by O. V. Stogney, A. N. Smirnov, A. V. Sitnikov, and M. N. Volochaev (Bulletin of the Russian Academy of Sciences: Physics, 2023, Volume 87, Issue 9, P. 1377-1382).