Improves existing code (performance, stability, documentation, ...)

New feature.

Fix for a bug that occurs on a released version of the framework. Such a fix should thus be integrated directly on master or on a stable branch.

Refactors existing code.

Label to be used for tickets that go in the Research Kanban board.

[DEPRECATED: use Epics instead] Meta-ticket that references multiple tickets, used to track a big feature, a user story or even a work package.