The saved state file of this version is incompatible with pre-21 releases. please upload or save any pending changes before you upgrade.
June 2025 maintenance release of Vespucci 21.
Release notes: https://vespucci.io/help/en/21.0.0%20Release%20notes/
Change log: https://github.com/MarcusWolschon/osmeditor4android/blob/21.0-MAINT/CHANGELOG.txt
Full Changelog: 21.0.2.0...21.0.3.0