GitHub - Philipp-Seifried/Blender-Massive-Boolean: Blender add-on that can combine tons of objects, by running clean up steps after each Boolean operation.
Boolean Improvements - User Feedback - Blender Developer Talk
Boolean modifier can keep materials — Right-Click Select
Artifacts when using Boolean - Modeling - Blender Artists Community
2.8 Having trouble with Boolean Modifier - Blender Stack Exchange