This message is intended for those who presented papers at GC2025 and wish to submit them for consideration for the follow-up special issue of Computational Statistics. Unfortunately we don't have a list of emails for presenters but I'm hoping this may catch most of you. If you have a colleague who gave a paper but is not on this list, please pass on the following: A document giving instructions and a timetable is available at https://gretl.sourceforge.net/SI.pdf . In addition here's a direct link to the journal's site: https://link.springer.com/collections/djaggbgfhf Allin Cottrell