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The Windows implementation of flutter_midi_command, using the WinMM MIDI API to send and receive MIDI messages.
Last release 24 days ago
14 Sep 2026
Ships unpredictably
gaps range from 8 days to 1.3 years
Nearly every release is documented
notes for 17 of 17 stable releases
1 version withdrawn
withdrawn after publishing
3 years old
26 releases · first in 2023
FIX: resolve MIDI running status correctly on every transport. A device that sends a status byte once and then only data bytes — an M-VAVE SMK-25 Mini
MidiMessageSplitter in flutter_midi_command_platform_interface is the shared MIDI-assembly stage every transport now feeds, and MidiPacket documents the contract they all satisfy: data is exactly one complete MIDI message with all transport framing removed.MidiMessageParser aborts an open SysEx on a status byte rather than burying it in the payload, and bounds its buffer.^1.3.0.One column per quarter.
MIDIHDR buffer that was immediately re-queued with the driver, so they could be overwritten under the listener.^1.3.0.FIX: addVirtualDevice, removeVirtualDevice and setNetworkSessionEnabled return Future instead of void. The platform call was previously discarded, so
addVirtualDevice, removeVirtualDevice and setNetworkSessionEnabled return Future<void> instead of void. The platform call was previously discarded, so a failure such as PlatformException(AUDIOERROR, Error -2 while create MIDI virtual source) escaped as an unhandled asynchronous error that no try/catch around the call could see. Await them to handle failures. Existing calls that ignore the result keep compiling; custom MidiCommandPlatform implementations must widen these three overrides from void.setNetworkSessionEnabled(true) rather than at plugin init, so apps using only Bluetooth, USB or virtual MIDI never trigger it. Thanks to @aleksei-svezhevskii for the fix.^1.2.0.addVirtualDevice, removeVirtualDevice and setNetworkSessionEnabled to Future<void>, matching the platform interface.1.2.0 and update the platform interface dependency constraint to ^1.2.0.FIX(ble): retry a connection sequence whose link was torn down mid-handshake. universal_ble reports that as deviceDisconnected rather than a GATT stat
deviceDisconnected rather than a GATT status, so the retry shipped in 1.1.1 did not apply. Unlike a GATT status the code cannot arise from a peripheral that was never reachable, so it is honoured on every platform.^1.1.2.1.1.2 and update the platform interface dependency constraint to ^1.1.2.FIX(ble): retry the whole connection sequence through transient Android GATT_ERROR 133 failures, including failures during service discovery and notif
GATT_ERROR 133 failures, including failures during service discovery and notification subscription.stopScan failures when Bluetooth is switched off during a scan instead of surfacing an unhandled asynchronous error.^1.1.1.1.1.1 and update the platform interface dependency constraint to ^1.1.1.FIX(darwin): read every packet of a coalesced MIDIPacketList from the original list memory. Packets after the first were read from unrelated memory an
MIDIPacketList from the original list memory. Packets after the first were read from unrelated memory and anything over 256 bytes was truncated, affecting virtual devices; native devices already had a correct implementation. Virtual device timestamps now report nanoseconds, matching native devices.MidiCommand.sendDataAwaitingDelivery, completing once the transport has written the data rather than queued it, so a bulk transfer can pace against the link rather than a fixed delay. Only the BLE transport observes delivery; platform-routed devices complete immediately, as with sendData.UniversalBleMidiTransport flags useNegotiatedMtu and requestHighPerformanceConnection opt out. These apply on Android, Windows and Linux; on iOS and macOS a connected device is handed over to CoreMIDI, which then owns the write path.MidiCommand.onBleWriteFailure, reporting BLE writes the platform rejected. sendData is fire-and-forget, so this is the only signal that a packet was dropped. Bulk transfers that split a payload across many SysEx messages should treat any event as a corrupted transfer. Silent on Apple platforms for devices handed off to CoreMIDI, which has no equivalent per-write signal, so it complements rather than replaces device-level acknowledgements.0xF7 in every SysEx packet. It was omitted whenever the remaining body was exactly one byte short of the packet size.MidiBleTransport gained onWriteFailure. Classes using implements MidiBleTransport must declare it; extends and all API consumers are unaffected. See the platform interface changelog.^1.1.0.1.1.0 and update the platform interface dependency constraint to ^1.1.0.FIX(ble): stop the opportunistic MTU request from stalling Android connections. It was issued from the connection callback and, because universal_ble
GATT_ERROR 133 (surfaced as Unknown Error 133).GATT_ERROR 133, and keep the device in the transport cache across that retry so received data still resolves to it.^1.0.9.1.0.9 and update the platform interface dependency constraint.FIX(darwin): report CoreMIDI destinations as inputPorts and sources as outputPorts so port direction matches Android and the public device-owned API c
inputPorts and sources as outputPorts so port direction matches Android and the public device-owned API contract (#164).^1.0.8.1.0.8 and update the platform interface dependency constraint.FIX: export MidiPairingInfoRemovedException from package:flutter_midi_command/flutter_midi_command.dart.
MidiPairingInfoRemovedException from package:flutter_midi_command/flutter_midi_command.dart.^1.0.7.1.0.7 and update the platform interface dependency constraint.FIX: a disconnect that races an in-flight connect no longer surfaces as an unhandled async error on PlatformDispatcher.onError (#160).
PlatformDispatcher.onError (#160).MidiPairingInfoRemovedException when a peripheral has removed its pairing information (iOS CBErrorPeerRemovedPairingInformation), best-effort clearing the stale bond, instead of leaking a raw UniversalBleException.ConnectedDevice teardown now survives the IOException: EPIPE from a removed device (#158).FIX(ios): keep usable non-bonding BLE MIDI connections alive when no CoreMIDI counterpart appears, and perform bonded-device handoff as an optional at
flutter_midi_command_windows v1.0.4
flutter_midi_command_windows v1.0.4
^1.0.4.flutter_midi_command_windows v1.0.3
flutter_midi_command_windows v1.0.3
^1.0.3.FIX: update example app to iOS v14 minimum.
fix(darwin) fix corebluetooth to coremidi handover
Resolved the Windows example build failure caused by deprecated coroutine headers in older universal_ble releases.
3.44.2 so the newer BLE dependency resolves in GitHub Actions.universal_ble releases.flutter_midi_command_ble) and optional BLE wiring via configureBleTransport.MidiDeviceType, MidiHostDevice, MidiPort, MidiPacket) across platform bridges.flutter_midi_command_web) using browser Web MIDI.connectToDevice completes on connection).MidiMessageParser and MidiMessage.parse) with support for running status, realtime interleaving, SysEx, and NRPN/RPN message flows.Refresh Devices and Scan BLE controls.Added linux support
Added linux support
Added missing entitlement in iOS plist for bluetooth access
Added missing entitlement in iOS plist for bluetooth access
Moved Message Types into separate file: flutter_midi_command_messages.dart. Fixed threading issue. https://github.com/InvisibleWrench/FlutterMidiComma
Moved Message Types into separate file: flutter_midi_command_messages.dart. Fixed threading issue. https://github.com/InvisibleWrench/FlutterMidiCommand/issues/4 Added teardown function to disconnect and close all ports and devices. Gradle dependency raised to 3.4.2 minSDKversion raised to 24 Version bumped to 0.1.0
Specify UniversalBle git dependecy
Added overrides for network session controls
* Added BLE Support
Split into windows_midi_device.
Added device monitoring, to notify when devices attach/detach
Fixed sending using midiOutLongMsg
* Def update
* License update
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