Categories appear in the archive index as shortcut buttons.
There are two distinct kinds:
📁 Static Categories are arbitrary collections of Archives, where you can add as many items as you want.
⚡ Dynamic Categories contain all archives matching a given predicate, and automatically update alongside your library.
Toggling a category in the index will restrict all your searches to that category, for as long as it is toggled. If you have a lot of categories, the most recently used will appear first in the list. 📌Pinned Categories will always show first.
To create categories, you can use the dedicated setting page in the app: