Issues

• braille findSegments spells treble chords upward after the first segment

  cuthbertLab/music21#2195 · Filter by author float3 opened on Nov 1, 2026

• braille chordToBraille ignores the chord's own duration

  cuthbertLab/music21#2194 · Filter by author float3 opened on Nov 1, 2026

• MuseData import drops slurs

  cuthbertLab/music21#2193 · Filter by author float3 opened on Nov 1, 2026

• Dolan's default part groups are never used

  cuthbertLab/music21#2192 · Filter by author float3 opened on Nov 1, 2026

• PartReduction part groups match substrings, so 'violin i' takes 'Violin II'

  cuthbertLab/music21#2191 · Filter by author float3 opened on Nov 1, 2026

• PartReduction divides dynamic weights by len('Dynamic')

  cuthbertLab/music21#2190 · Filter by author float3 opened on Nov 1, 2026

• DataSet.getFeaturesAsList returns only the first row when both include flags are False

  cuthbertLab/music21#2189 · Filter by author float3 opened on Nov 1, 2026

• chordify(addPartIdAsGroup=True) gives no part group to notes from chords

  cuthbertLab/music21#2188 · Filter by author float3 opened on Nov 1, 2026

• ChordReducer.run: use reduceChordsOld's chord choice on timespans

  cuthbertLab/music21#2187 · Filter by author float3 opened on Nov 1, 2026

• Should CyclicalScale(..., ['M3']) number its degrees across the octave?

  cuthbertLab/music21#2186 · Filter by author float3 opened on Nov 1, 2026

• Remove alteredDegrees from IntervalNetwork in v11?

  cuthbertLab/music21#2185 · Filter by author float3 opened on Nov 1, 2026
  2

• Allow subconverters to declare that they can write multiple scores (an Opus) to a single file

  enhancement
  cuthbertLab/music21#2107 · Filter by author gregchapman-dev opened on Oct 26, 2026
  1

• Cache invalidation should take into account external SubConverter versions

  cuthbertLab/music21#2104 · Filter by author mscuthbert opened on Oct 25, 2026
  2

• Midi bank number support

  enhancement
  cuthbertLab/music21#2088 · Filter by author bramtayl opened on Oct 19, 2026

• MusicXML import doesn't read <midi-instrument> changes in <sound>

  cuthbertLab/music21#2085 · Filter by author bramtayl opened on Oct 13, 2026
  4

• MusicXML import drops piano-family MIDI programs when the instrument name isn't recognized

  cuthbertLab/music21#2084 · Filter by author bramtayl opened on Oct 13, 2026
  6

• toSoundingPitch() transposes key signatures by the MIDI program's instrument instead of the part's <transpose>

  cuthbertLab/music21#2081 · Filter by author bramtayl opened on Oct 13, 2026

• MusicXML import ignores <sound tempo> when the direction also has a <metronome>

  cuthbertLab/music21#2080 · Filter by author bramtayl opened on Oct 13, 2026

• MusicXML import ignores jumps written as <sound> attributes

  cuthbertLab/music21#2079 · Filter by author bramtayl opened on Oct 13, 2026

• Accidental's .client is never set, so Pitch (and from there Note) is never informed of alter changes

  cuthbertLab/music21#2063 · Filter by author mscuthbert opened on Oct 7, 2026

• MIDI import: makeTies()/makeMeasures() permanently desyncs later note offsets by whole bars when simultaneous notes of different length collide

  cuthbertLab/music21#2020 · Filter by author JackyChanMusic opened on Sep 1, 2026
  3

• Slur bezier-x/y from start element gets overwritten by stop element's values

  cuthbertLab/music21#2019 · Filter by author adam1xz opened on Aug 31, 2026
  3

• Discussion/Proposal: Pitches always have accidentals

  cuthbertLab/music21#2010 · Filter by author mscuthbert opened on Aug 24, 2026
  5

• Discussion/Proposal: StreamCore to Stream.core

  cuthbertLab/music21#2008 · Filter by author mscuthbert opened on Aug 24, 2026
  3

• Humdrum: section-structured kern file parses to 8 of 69 measures (silent truncation)

  cuthbertLab/music21#1987 · Filter by author jpsmith8488 opened on Jul 22, 2026
  1