In N12, the creating markers from selected events seems to be limited to a single track. Meaning if you have multiple layers (almost always for SFX) that you want to be included in a single Cycle Marker, this will not work. Below demonstrates selecting multiple events using “Locators to Selection” and then trying to achieve the same with Creating Markers from Selected Events.
Additionally, it does not appear possible to create a compound Name for the Description, i.e. Free Text + Separator (i.e. underscore) + Counter . Once selecting Description once, it becomes greyed out and more complex names cannot be created for the Marker.