Updates to the stair tool is among the highest voted ideas, yet it is completely neglected by developers. Please stop neglecting architects in the development of Revit! Stair modeling is cumbersome, especially for custom stair designs, which require sketching the stairs by hand without any automation. Therefore, the stair by sketch tool requires a major update. I would like to see the riser creation being automated through a parametric array along a path, which could either be the boundary lines or the stair path. Furthermore, spline based stairs should be available, which in turn may require new algorithms to further control stair creation as illustrated in the attached pdf.
When I compare Revit's stair tool to Archicad or other competitors, the shortcomings of Revit's stairs become obvious. Please allow this kind of editing of stairs as well (Archicad 21): https://youtu.be/MrYI1Mwjxd4?t=1310