Computability in Europe 2026 invites submissions for informal presentations of ongoing work, recent results, and emerging ideas. Continuing the tradition of past CiE conferences, these contributions will not be published in the LNCS conference proceedings. Work presented in this format may also appear, or have already appeared, in conferences with formal proceedings and/or in journals. Deadline for submission of informal presentations: May 15th, 2026 Notification on informal presentations: June 1st, 2026 For more information, see http://www.cie-2026.uni-trier.de/