Hi StoryMaps Team,
A fantastic feature that the Cascade template has is the ability to upload .mp3 audio files directly while creating the story map, as described in this blog post. It would be great to add this ability to the new StoryMaps builder.
Our organization uses cascade story maps to create audio tours of parks, and we would need this feature to be in the new StoryMaps before switching. I know we could host the audio files on a web server and embed them, but that creates a barrier of entry for our story map creators, which is why we taught them how the use the cascade template rather than other templates.