v1.5

• Different songbook sources may be selected by the user.
• Overhauled back stack behavior.

v1.4

• Updated Android version.

v1.3

• Updated to Android API level 28.

v1.2

• Updated components and frameworks.
• Minor UI fixes.

v1.1

• Search field now also matches melody name, song text.
• Bug fixes.

v1.0

• First release to Google Play.