UPDATE: This error has been fixed in ARCHICAD 18 (build no. 7007) and 19 (build no. 4011).
Affected versions: 19 or older | Severity: workaround applicable for 18
The issue is only present on OS X 10.11 – El Capitan.
When a menu item is selected from a drop-down menu in the dialogs of ARCHICAD, the previous setting remains active. There is no workaround for menus that are only available as drop-down, but if you can find the setting on a different panel, you can use the option from there (for example you can’t set the Renovation status from the default settings panel, but you can apply it from the Renovation Palette).
note: The issue is already fixed and will be included in the next Updates of ARCHICAD 18 and 19.