Bulk Audio Normalizer 1.5.1

The downloads of this release (the macOS .dmg and the Windows installer) were removed on October 3, 2026. The macOS FFmpeg inside was a build that we may not pass on (it was configured as "nonfree"). Both files contained it. Please use a newer release: Windows from the latest release, macOS from v2.0.2. Details: THIRD_PARTY_NOTICES.md.

See CHANGELOG.md for details. This release updates packaging and docs; app binaries are unchanged from 1.5.0.