When several reservations are in the timeline, they seem to be presented top to bottom in their creation order, as shown in the example below:

However they are related by the end time, so that would be desirable to present them in that order (here manually created on a specific order, that we can't guarantee during automatic processing) :

Furthermore, it could be great to have a way to sort/group them (e.g. by a property). We are running with SRM 1.2.12