macOS Sequoia 15
Select your favourite categories in Podcasts on Mac
You can add categories to your favourites to get better show recommendations and easy access to category pages. Your favourite categories appear at the top of the Categories list with a 
.
Go to the Podcasts app
on your Mac.Choose Account > Manage Favourite Categories.
Do any of the following:
Add a category to your favourites: Select one or more categories.
Remove a category from your favourites: Click
next to the category.
You can also add or remove a favourite category from the Categories section. Click Categories, then click Manage. To add a category, select it. To remove a category, click next to the category.