There are some efficient batch operations, but all of them are secrets before I post this guide!
When you click add icon
button and open system files, you can long press any icons and it will be multiple selection mode, then select all icons you want. All icons will be added to your category!
Long press any icons in your project, and then select multiple icons, move them to another category! (It’s available in search page!)
Long press any icons in your project, and then select multiple icons, delete them! (It’s available in search page!)