In the Work Environment > Command Layout Schemes > Menus: it is called Show/Hide Renovation Palette. Should be part of the standard 15 WE, or need to be added for an imported scheme from an ealier version of ArchiCAD.
David
David Maudlin / Architect www.davidmaudlin.com Digital Architecture AC27 USA • iMac 27" 4.0GHz Quad-core i7 OSX11 | 24 gb ram • MacBook Pro M3 Pro | 36 gb ram OSX14