The mini-symposia are a traditional special feature of the JETC series, which aim to address the most emergent questions in the field of thermodynamics and to set up promising future research directions. A mini-symposium is organized as a plenary panel discussion with short talks by experts on a given topic followed by a longer public discussion between the panelists and the audience. The mini-symposia to be held as a part of the JETC 2025 are listed below.