Dear colleagues, RIDE 21: Special issue on /Crowd Editions/, has now been published: https://ride.i-d-e.de/issues/issue-21/ <https://ride.i-d-e.de/issues/issue-21/> This special issue explores participatory approaches in digital scholarly editing and cultural heritage research, focusing on the relationships between crowdsourcing, citizen science, expertise, and editorial workflows. The issue examines how collaborative editorial practices are transforming scholarly editing, archival work, and digital knowledge production. The volume includes reviews and discussions of a broad range of projects and infrastructures: * Christian Erlinger reviews /crowdsourcing.wien/and its participatory approaches to historical source material: https://ride.i-d-e.de/issues/issue-21/crowdsourcingwien/ * Sarah Lang examines /The Making and Knowing Project/and the role of collective and tacit knowledge in digital scholarship: https://ride.i-d-e.de/issues/issue-21/makingandknowing/ <https://ride.i-d-e.de/issues/issue-21/makingandknowing/> * Janosch Förster discusses /What’s on the Menu/, including its significance as a crowdsourcing project and its recent discontinuation: https://ride.i-d-e.de/issues/issue-21/whatsonthemenu/ * Lavinia Ferretti and Elisa Nury review the /Papyrological Editor/as a platform-based infrastructure for distributed scholarly expertise: https://ride.i-d-e.de/issues/issue-21/papyrieditor/ * Daniel Burckhardt discusses /#everynamecounts/and its transformation from expert platform to citizen science initiative: https://ride.i-d-e.de/issues/issue-21/everynamecounts/ The editorial further reflects on the historical development of crowd editing, the role of “accidental editors,” and the changing relationship between human collaboration and automated methods such as OCR, HTR, and generative AI: https://ride.i-d-e.de/issues/issue-21/editorial/ All contributions are individually citable via DOI, as is the issue as a whole: https://doi.org/10.18716/ride.a.21 <https://doi.org/10.18716/ride.a.21> With best wishes, Torsten Roeder Martin Prell Anna Busch -- Dr. phil. Torsten Roeder @[email protected] Universität Würzburg Zentrum für Philologie und Digitalität (ZPD) Emil-Hilb-Weg 23 97074 Würzburg The Sound of Change: Musikinstrumente im Wandel von Umwelt, Gesellschaft und Digitalität. Melusina Press, 2026. https://doi.org/10.26298/1981-5722-tsoc Pixels & Paper. Hybridität in Computer-Rollenspielen der 1980er Jahre. PAIDIA, 2025. https://paidia.de/pixels-and-paper-hybriditaet-in-computer-rollenspielen-der... Materialität (in) der Digitalität: Digitale Editionen als Hybrid aus Daten und Interface. V&R unipress, 2024. https://www.vr-elibrary.de/doi/10.14220/9783737015936.53 D64: Scientific Explorations of Computer Game History. Poly Play, 2024 https://www.polyplay.xyz/D64-Scientific-Explorations-of-Computer-Game-Histor...