To install this app, expand the assets at the bottom of this post, download the APK, then open it using the notification shade or a file browser. Opening the file will prompt you to enable Unknown Sources (Android 7.1 Nougat and below) or Install Unknown Apps (Android 8.0 Oreo and above).
This bugfix release fixes some issues with displaying snackbar notifications on devices with smaller screens. Please let me know if these notifications are still getting cut off :3