* Update the application for Android 15.
* Make the application's input fields independently scrollable, if they're long enough.
* Make the reinitialize text-to-speech button bring up a confirmation dialog, if a task is in progress.
* Fix a UI error affecting the some parts of the application.
* Fix an error that can occur if an unusable engine is chosen in the settings.
* Change the minimum supported OS version to Android 5.0 (Lollipop).
* Other bug fixes and improvements.