libopenmpt 0.5.12 (2021-10-04)

• [Sec] Possible crash when loading malformed MDL files. (r15603)
• [Bug] Fixed various undefined behaviour found with ubsan.
• Seeking with sample sync sometimes didn’t compute the correct sample position with pingpong-looped samples.
• IT: Tremor command I11 erroneously behaved like I00 (use previous parameter) unless IT Old Effects were enabled.
• PTM: Panning was translated wrong in some edge cases.
• IMF / PTM: Note Slide commands were sometimes slightly off.
• OKT: Better support for fine note slides.
• DBM: Echo enable effect parameter range checks were incorrect.
• XM: Sample texts in XMs made with MadTracker are now also decoded using Windows-1252 encoding.
• in_openmpt: Song metadata is no longer reverted when viewing file info.