I’m seeing a new issue now, in both Memrise courses and in one of the courses I’m maintaining, involving a doubling of definitions.
In the garden it looks like an alternative has been added (for some of the words) that is identical to the definition, but with a comma instead of a semicolon. In the database for the course I’m maintaining nothing is visible.
See examples below from the garden (first is from Memrise’s Duits 5). The issue seems to only occur for definitions that contain a semicolon.