libopenmpt 0.5.10 (2021-07-04)

• S3M: Honor the Stereo flag not being set. This improves the sound of some tunes like Turbulence by Purple Motion.
• S3M: Detect MPT 1.0 alpha versions which didn’t set the Stereo flag. In this case, the unset Stereo flag is also ignored because MPT 1.0 alpha used the default S3M channel panning anyway.
• S3M: Only for OPL instruments the high sample rate bits should be ignored; for PCM instruments they are clamped to 65535 Hz.
• MOD: Do not apply ProTracker loop length quirk to MODs that could have been made with Scream Tracker (fixes Soul-O-Matic by Purple Motion).
• AMF (DSMI): Format revisions 1 and 9, as well as early (technically malformed) revision 10 files, are now supported. Surround panning commands and instrument number without note are now converted correctly.
• AMF (DSMI): Patterns and samples were not read correctly in some files (e.g. AVOID.AMF).
• GDM: Correctly import extra-fine portamentos.
• mpg123: Update to v1.28.0 (2021-06-05).
• ogg: Update to v1.3.5 (2021-06-04).
• stb_vorbis: Update v1.21 commit 8e51be04dc7dcee462e1f09e410faceab52cc6d2 (2021-07-02).

libopenmpt 0.5.9 (2021-05-16)

• Makefile CONFIG=emscripten does not pass linker options to the compiler any more, which caused latest Emscripten to issue warnings.
• The retrigger effect didn’t work correctly for OPL instruments in some cases depending on the chosen output sample rate.
• S3M: Emulate IT short sample retrigger quirk in S3M files saved with Impulse Tracker and Schism Tracker.
• ProTracker 3.6 doesn’t support sample swapping. It is now disabled when loading a ProTracker 3.6 IFF module.
• Some files with “hidden” garbage patterns were not played correctly since libopenmpt 0.5.3.
• MOD: E9x retrigger now works the same way as in ProTracker 2.
• MDL: Improve auto-vibrato accuracy.
• 669: Reject files that contain any pattern tempo higher than 15.
• Reduce memory consumption of malformed XPK-compressed files.
• mpg123: Update to v1.27.2 (2021-05-08).