Migrate from ARCHICAD 10-13.
There is no Automatic Home Story setting in ARCHICAD 23. Elements from older projects (older than AC13) whose Home Story was set to Automatic will now be assigned Home Stories that correspond to the story they were placed on.
In ARCHICAD 23, during editing operations that affect the elements’ elevation (e.g. elevate, multiply with vertical displacement), you have the option to automatically re-assign those elements’ home stories accordingly.
Relevant topics
How to change the Home Story of an element in ARCHICAD
If you drag an element in a section or in 3D to a different story, the Home Story of the element won't be adjusted. Use the command, Relink Home Story...
Home Story
A new element placed in a 2D model window is at the level of its Home Story (plus or minus any optionally defined offset).
Each construction ...