To report a bug or request a new feature or enhancement, you can use this form in KDE’s bug tracker.
Kirogi has a group chat for both users and developers to communicate in. You can join the discussion via Matrix or IRC.
For Matrix, you can use KDE’s official web chat to join
#kde-kirogi:kde.org, or any other Matrix client. More information on KDE’s Matrix instance is available here.
For IRC, see
#kde-kirogi on freenode (you can join via freenode’s official web chat as well).