Experimental
These preferences are reserved for features that are currently being worked on and are not yet complete. This category can be enabled by enabling Developer Extras. Most experimental features are only available in Daily Builds.
Blender Preferences Experimental section.
Debugging
Undo Legacy
Use legacy undo (slower than the new default one, but may be more stable in some cases).
Override Auto Resync
Enables library overrides automatic resync detection and process on file load. Disable when dealing with older blend-files that need manual Resync (Enforce) handling.
Cycles Debug
Show the Cycles rendering debug panel.
Asset Debug Info
Enable some extra fields in the Asset Browser to aid debugging.
Asset Indexing
Disabling the asset indexer forces every asset library refresh to completely reread assets from disk.
Viewport Debug
Enable viewport debugging options for developers in the overlays pop-over.
EEVEE Debug
Enable EEVEE debuging options for developers.