When all of these conditions are met:
Project tags include any of Invalid Tracker (Budgie)
Take these actions the first time this rule matches:
Change status to: Locked.
Add comment: This issue has been deemed by the developers to be an issue related to Budgie, our primary desktop environment. As Budgie is a distro-agnostic project, developed by Solus but leveraged by other operating systems and projects, we maintain a dedicated issue tracker for it. This issue tracker can be found at https://github.com/solus-project/budgie-desktop