is there a way to end a task on a specific date?
[TASK] ends on 2018-10-25
With last beta http://beta.plantuml.net/plantuml.jar you can have :
Project starts the 20th of september 2018
[Release of new album] starts the 21th of September 2018
[Release of new album] ends the 30th of September 2018
Is this what you are expecting ?