In the first issue of 2025, Jian Zhang et al. review applications of hard and soft acid base theory to construct heterometallic materials with metal-oxo clusters. Zhigang Geng et al. discuss ligand modification in heterogeneous electrocatalysis, and Tengfei Yan and Junqiu Liu summarize transmembrane ion channels, also in Reviews. The Minireviews deal with polymer mechanochemistry in confined spaces (Yuanchao Li et al.), the chlorine evolution reaction (Sang Hoon Joo et al.) as well as the actuation performance and versatility of photothermally driven organic crystals (Hideko Koshima et al.). Christoph Kießling contributes a Viewpoint Article on the early career of Karl Ziegler, in the Nazi era.

In their Editorial, Editors-in-Chief Nathalie Weickgenannt and Frank Maass introduce themselves as new team leads, look back on a year of record submissions, and into the new year, in which the print edition of the journal is discontinued.

In the original research section, Peter W. Roesky et al. describe the dye-induced luminescence properties of gold(I) complexes with near unity quantum efficiency (see picture). Laura De Laporte et al. demonstrate the use of thermally assisted microfluidics to produce chemically equivalent microgels with tunable network morphologies. Lydia Sosa Vargas, Jutta Rieger et al. report on the spontaneous formation of polymeric nanoribbons in water thanks to π–π interactions. Dong Wang et al. succeeded in the direct C3–H alkylation and alkenylation of quinolines with enones.

The publishing teams and the German Chemical Society (GDCh) would like to thank all authors, referees, readers, librarians, and advertisers for their loyalty and support in 2024 and wish everyone a healthy, peaceful, and inspiring year 2025.

• Angewandte Chemie 1/2025: New Year, Many Faces,
  Angew. Chem. Int. Ed. 2025, 64 (1).

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