Cylc Development For discussing Cylc development: bugs, features, directions, performance, testing etc. Cylc Announce Cylc Announcements and News from the development team. Others can read and reply to posts, but not create new topics. Cylc 8 Migration This category is for the migration from Cylc 7 (and Rose 2019) to Cylc 8. Tips A category for posting hints, tips and details of new Cylc features. Cylc Support For all questions and comments on Cylc functionality, use, troubleshooting, etc.