"Projects (classic)", which we are now using for the kanban boards, will deprecate by end of August. See here.
There is a button to migrate it over. Might not be worthwhile for the current board, but at least the SSP board should be migrated.
From here it seems that if we don't do it it's done automatically. If that's the case I'd just wait for the automatic migration and in case edit that one @DaniBodor
"Projects (classic)", which we are now using for the kanban boards, will deprecate by end of August. See here. There is a button to migrate it over. Might not be worthwhile for the current board, but at least the SSP board should be migrated.