Good to know

Results are cached while only non-shape settings change; very high resolutions will lag on slow machines.

Biome colors are stored as vertex colors. To see them in the viewport, set the viewport shading color to Attribute, or use a material that reads the color attribute.

Use Ctrl+Z to undo. Saving your .blend file keeps everything the add-on created; the add-on does not need to be installed to open the file, although you will need it to keep editing live.

15. Support

When you report a problem, please include your Blender version, the add-on name and version, the steps you took, and the full text of any error shown in the Info editor or the system console. With that information the problem can be reproduced and fixed quickly.