So, if you want to make the Category whose ID number is 6 look different from what it is currently (and different from other Category pages), you would want to create a category-6.php file. If you want to make all Category pages look different from other archive pages (such as date and author archives), then you would want to create or modify the category.php file. If you want to make changes to the look of all archive pages, you can create or modify the archive.php file. And if you modify the index.php file, you will affect your entire blog.
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- REST API: The
unfiltered_htmlcapability is now respected and
rest_basehas been added to response objects of
rest_get_postfilter have been removed.
- Roles/Capabilities: Added meta-caps for comment, term, and user meta, which are currently only used in the REST API.
- I18N: Added the ability to change user’s locale back to site’s locale. (#38632)
- Custom CSS: Renamed the
unfiltered_cssmeta capability to
edit_cssand added revisions support to the
- Edit shortcuts: Theme authors should take a look at the developer guide to the customizer preview’s visible edit shortcuts and update their themes to take advantage of them if not already implementing selective refresh.
- Various bug fixes: We’ve made over 50 changes in the last week.