
support recording into specific lanes or new lanes. add many theme elements for fixed lane and comp area display. add mouse modifier contexts for fixed lane header buttons, fixed lane comp areas (including click/double-click contexts). add many actions to support editing, manipulating, playing back, comping, and coloring items in fixed lanes. support targeting a specific lane or free item position when pasting media items and razor edits. support reordering fixed lanes by dragging lane buttons up/down. support naming individual lanes, resizing lane name area. support adding lanes by dragging media to a hashed 'parking area', automatically removing empty lanes. support minimizing, maximizing, or collapsing track lanes. v6 option for overlapping recording to create new media items is replaced by option to add lanes playback behavior is identical to v6. support automatically recording overlapping media to separate lanes, either layered (multiple lanes play back at once) or not (only the last recorded lane plays back). support setting individual lanes to play back or not play back.
support fixed-lane tracks, to arrange media items in fixed lanes.