Settings
Color Science Lab ▸ Settings… (⌘,).
General
Language (English, Türkçe, Español, Français, Deutsch, Italiano; takes effect after a restart), reopening the last session, the browser's default sort, and scrub keys with their sensitivity.
Viewer
Whether the scroll wheel zooms, the background grey around the image, and a high-precision (32-bit) preview that matches exports exactly.
Image
Defaults for new images: output colour space, DNG decoder, demosaic method and highlight reconstruction.
Warnings
Thresholds for the exposure warning: highlights at or above a level show red, shadows at or below a level show blue.
Advanced
The manual's address (until the website is online, point it at a local copy), clearing the session's thumbnail caches, and restoring default settings.