we set up your plugin to make sure that the sorting is by date (so the latest should be the first). Unfortunately the right sorting just happens if you have clicked a filter before (see here: https://imgur.com/b9WUo7J
First view is not correct, after choosing a filter and coming back to all – it sorts correctly.
If you are using the auto populate feature, then it will override the sorting as defined. If you want to get the same exact results as making an empty search (in respect to the sorting), then do this configuration: https://i.imgur.com/7VnJZw8.png