Can you share a screenshot to see how it looks on your 4K screen
I am also on windows 10 with 125% scaling by default. Windows 10 handles it as a zoom (DPIrate=1.0) and the display is good here, I don't get that blur!
What do you really mean by anchoring a button to sides of the form or other control?
To have the possibility of docking them at the bottom and/or right of the window when resizing. They are by default docked at the top and left.
This would be for the code generation only with a "ResizeGadgetsWindow" procedure.
At Design time, you can possibly use the Lock property of each Gadget or use the Group button to group multiple gadgets and thus have them anchored to each other.