We see that our customers wants to use more specific planning horizon charts such as Gantt charts.
In order to build those now dynamic it is quick some work (like using widgets). It would be nice to support gantt charts like it is "native" done in excel.
Meaning provide an start and end date and based on that the chart automatic creates the timeframe of the periods and shows the filled period.
And please, consider multiple elements within each Gantt chart row, right from the start.
And maybe markers (e.g. Milestones).
See attached example (not the ugly colours, but the chart options).