Furthermore, this special issue would not have been possible without the excellent work of all the peer reviewers. Finally, thanks to our fellow researchers within Applied Robotics for their continued support, and the Division of Learning, Communication and IT at the Department of Applied IT, University of Gothenburg for investing in open access fees for this editorial.Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long 8 https:// eng. irl. sys. es. osaka-u. ac. jp/.