Changes to the Searching for Text in Photos 5 Catalina
As you may have noticed, we can no longer search for arbitrary parts of a word using a text search after the upgrade to Catalina. For example, if we want to find certain filenames, we have to use a search string that is matching the start of a word, the full beginning of the filename, not just a partial string from the middle of the filename. This is described here in a new user tip in more detail:
MacBook Pro 15”, macOS 10.15