How to search only within a certain category/label in Rednotebook 1.3

In version 1.2 it was possible to use search to select a category from the drop down menu and show all entries from a certain category. This could be used, for example, to quickly get an overview of all the entries I've labelled with 'movies', which lets me see which movies I've been to lately. With version 1.3, the option to list all entries in a category seems to be missing.

Is there another way to view all entries of a certain category in version 1.3?

So far the only way I've found is to export a category, which is quite cumbersome. Another option would be to search for 'movies' in the search field, but this also returns all entries in which I use the word 'movies', which pollutes the search results.

Thanks for your time