Dear Colleagues, We are pleased to inform you that the new issue of the Cahiers (Volume LXVII, 2nd quarter 2026) is now freely available for download from the Cahiers website: https://cahierstgdc.com<https://url.au.m.mimecastprotect.com/s/lL9ECjZ12RfnKQrOOUWfPTm6lJ4?domain=cahierstgdc.com/> This special issue is dedicated to the memory of Marek Zawadowski. We would like to thank Pierre-Louis Curien, Silvio Ghilardi, Martin Hyland, Krzysztof Kapulkin, Jaap van Oosten, Karol Szumiło and Clemens Berger for their contributions to the preparation of this special issue. With best regards, Andrée Ehresmann, René Guitart, Isar Stubbe and Marino Gran