Created attachment 169874 [details] Screenshot of the problem STEPS TO REPRODUCE 1. Vertical monitor 1200x1980 2. Make taskbar thick enough for two row program buttons (80px) OBSERVED RESULT Huge program buttons on the taskbar. EXPECTED RESULT Make the taskbar a 2-row when thickness XXpx is reached. Windows allows to resize the taskbar by "program buttons" grade only.
This is supported: go in taskbar settings (with the right mouse button menu) in the first page there is the option multi row: "Always when the panel is tick enough"