We have at least 20 settings in an individual category at this point, and I’ve found myself searching for lesser-used settings by reading the entire list.
Should we break these settings up into groups? This makes for easier scanning (if you know you’re not looking for an email setting, skip the email section) and also provides some guideposts (e.g., “Subcategory display settings are in category settings under appearance”).
A quick first pass, for example (these are tall screenshots, click to expand):
Existing settings
Grouped