Issues

• Proposal: port-list change notification (part of #386)

  enumeration
  thestk/rtmidi#397 · Filter by author nat3Github opened on Oct 1, 2026 · 7.0.0
  3

• CI: update actions/checkout from v2 to v4 (Node 20 removed from runners)

  build systemgood first issuehelp wanted
  thestk/rtmidi#388 · Filter by author insolace opened on Sep 21, 2026
  2

  

• Large SysEx handling across backends (tracking)

  sysextracking
  thestk/rtmidi#387 · Filter by author insolace opened on Sep 21, 2026
  

• Port enumeration, identity, and change notification (tracking)

  enumerationmidi 2.0tracking
  Feature

  thestk/rtmidi#386 · Filter by author insolace opened on Sep 21, 2026 · 7.0.0
  1

  

• MIDI 2.0 / UMP support (tracking)

  midi 2.0tracking
  Feature

  thestk/rtmidi#385 · Filter by author insolace opened on Sep 21, 2026 · 7.0.0
  1

  

• UWP backend: init_apartment() runs in a static initializer, and the port list is a snapshot that never refreshes

  backend: uwp
  thestk/rtmidi#375 · Filter by author Psychlist1972 opened on Sep 8, 2026
  2

• Receiving continued SysEx message handling appears to be inconsistent between backends

  sysex
  thestk/rtmidi#370 · Filter by author sagamusix opened on Apr 19, 2026
  6

• Virtual MIDI ports supported on iOS?

  backend: coremidibackend: iosvirtual ports
  thestk/rtmidi#353 · Filter by author antiero opened on Jun 4, 2025

• alsa names are a bit too mutch

  backend: alsaenumeration
  thestk/rtmidi#348 · Filter by author shemeshg opened on Mar 7, 2025
  12

• midiOutUnprepareHeader intermittently hangs on Windows during repeated large sysex sends

  backend: winmm
  thestk/rtmidi#333 · Filter by author insolace opened on Mar 6, 2024
  1

• configure: error: No known system type found for MIDI support!

  backend: amidibuild systemgood first issue
  thestk/rtmidi#330 · Filter by author Usinganame opened on Jan 15, 2024
  1

• Needs Better Install Tutorial

  build systemdocumentationgood first issuehelp wanted
  thestk/rtmidi#328 · Filter by author grahamstockton87 opened on Jan 2, 2024
  5

  

• Cmake version requirement

  build system
  thestk/rtmidi#326 · Filter by author denishessberger opened on Nov 10, 2023
  1

• Does rtmidi support midi 2.0?

  midi 2.0
  thestk/rtmidi#307 · Filter by author jwlrs opened on Jan 21, 2023 · 7.0.0
  19

  

• Central List of Wrapper Libraries / Projects Using RtMidi?

  question
  thestk/rtmidi#306 · Filter by author hendursaga opened on Dec 27, 2022

• iOS status and how-to

  backend: coremidibackend: ios
  thestk/rtmidi#305 · Filter by author izzyreal opened on Nov 30, 2022
  4

• RtMidi cannot create ports past a certain limit

  enumeration
  thestk/rtmidi#304 · Filter by author sadguitarius opened on Nov 1, 2022
  10

• Is RtMidiOut::sendMessage thread-safe?

  questionthread safety
  thestk/rtmidi#300 · Filter by author gvnnz opened on Aug 20, 2022

• CMake: inconsistency of include interface between pkg-config and CMake config file

  build system
  thestk/rtmidi#285 · Filter by author SpaceIm opened on Mar 7, 2022

• Mapping to inconsistent device names upon each boot

  backend: alsaenumeration
  thestk/rtmidi#281 · Filter by author gary-desroches opened on Jan 14, 2022
  2

• SysEx notification or Peaking at input stream

  enhancementsysex
  thestk/rtmidi#279 · Filter by author jeanette-c opened on Jan 6, 2022

• C API not working for MIDI input

  c api
  thestk/rtmidi#272 · Filter by author jg-854 opened on Nov 19, 2021
  5

• Setting a default error callback, two ideas

  enhancement
  thestk/rtmidi#266 · Filter by author radarsat1 opened on Oct 16, 2021 · 6.1.0
  7

• Issue with SysEx Bulk Dump and Active Sensing

  sysex
  thestk/rtmidi#247 · Filter by author benbenz opened on May 3, 2021
  2

• Cannot get accurate timestamp of first MIDI event.

  enhancementmidi 2.0timing
  thestk/rtmidi#243 · Filter by author RogerLevy opened on Mar 23, 2021
  4