Editors: Per Helander, Bill Dorland
JPP will publish articles based on contributions to the 23rd International Stellarator-Heliotron Workshop (ISHW), which took place 20-24 June 2022 in Warsaw, Poland. All ISHW participants (with both invited and contributed talks as well posters) are invited to submit manuscripts until 31 October 2022, which will be assessed according to the usual quality criteria of the Journal and published in a special issue.