Disable Additional CSS
Removes the Additional CSS panel from the Customizer and the custom CSS option in the Site Editor, so styles are only changed in code.
Snippet Library
Snippets that switch off WordPress features you do not use: comments, the block editor, RSS feeds, automatic updates, attachment pages and more. One snippet per feature, so you turn off exactly what you want and nothing else.
Removes the Additional CSS panel from the Customizer and the custom CSS option in the Site Editor, so styles are only changed in code.
Removes categories from posts: the Categories menu, the editor panel and the column in the posts list.
Removes the Post Format option (aside, gallery, quote and so on) from the editor when your theme supports formats you do not use.
Removes the Tags taxonomy from posts: the Tags menu, the tag box in the editor and the tag column disappear.
Removes the Font Library from the Site Editor, so fonts cannot be installed or uploaded from the editor.
Removes the custom color picker, default palettes and custom font sizes from the block editor, so editors can only use your theme's brand styles.
Hides block styles you do not want editors to use, such as the outline button or rounded image, from the block editor.
Makes the classic editor open in Text (HTML) mode only, for sites where the visual editor keeps changing hand-written markup.