The Google Camera app v7 has leaked out and has been torn down. This has resulted in references to a slew of new abilities that may debut in the Pixel 4 and 4XL. They include the Mountain View's versions of Samsung's Motion Blur and Audio Zoom. They may also extend to real-time HDR edits, phone astrophotography and a new form of depth-perception.
https://www.notebookcheck.net/The-Pixel-4-series-may-rival-the-Galaxy-Note-10s-for-camera-features.434809.0.html