The OpenMPT/libopenmpt project released the latest stable libopenmpt version:

libopenmpt 0.4.12 (2020-04-13)

  • IT: Vibrato was too fast in Old Effects mode since libopenmpt 0.3.
  • XM: Treat 8bitbubsy’s FT2 clone exactly like Fasttracker 2 with respect to compatibility and playback flags. For example, FT2 Pan Law was not applied.
  • DMF: Some files had a wrong tempo since libopenmpt 0.2.5705-beta15.

The changelog for older versions can be found at https://lib.openmpt.org/doc/changelog.html .

Source code download links:

Documentation and binary downloads can be found at the libopenmpt website at https://lib.openmpt.org/libopenmpt/.


The OpenMPT/libopenmpt project also released an update to the old libopenmpt 0.3 stable branch:

libopenmpt 0.3.21 (2020-04-13)

  • IT: Vibrato was too fast in Old Effects mode since libopenmpt 0.3.
  • XM: Treat 8bitbubsy’s FT2 clone exactly like Fasttracker 2 with respect to compatibility and playback flags. For example, FT2 Pan Law was not applied.
  • DMF: Some files had a wrong tempo since libopenmpt 0.2.5705-beta15.

Source code download links:

Documentation and binary downloads can be found at the libopenmpt website at https://lib.openmpt.org/libopenmpt/.


The following libopenmpt versions are currently supported with security fixes by the OpenMPT/libopenmpt project:

  • 0.4.12
    • Current stable version.
    • Receives security updates.
    • Receives minor playback fixes.
  • 0.3.21
    • Old stable version.
    • Receives security updates.
    • Receives trivial bug fixes.
  • 0.5 (SVN trunk)
    • development
    • security updates
    • playback fixes
    • new features
    • new file formats

Please update to the newest versions.