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flutter_midi_command_linux

The Linux implementation of flutter_midi_command, using ALSA sequencer to send and receive MIDI messages.

1.1.2 3.9K downloads/mo #4201 most downloaded on pub.dev InvisibleWrench/FlutterMidiCommand

What this package is like to depend on

Last release 7 days ago

17 Aug 2026

Ships unpredictably

gaps range from 8 days to 2.7 years

Nearly every release is documented

notes for 20 of 20 stable releases

1 version withdrawn

withdrawn after publishing

6 years old

22 releases · first in 2020

13 releases in the last 12 months

see the full history below

Release timeline

22 releases · Sep 2020 to Aug 2026
2021 2022 2023 2024 2025 2026
Release Pre-release Withdrawn

Releases

latest 22
  1. 1.1.2 17 Aug 2026
    Release notes
    • FIX(ble): retry a connection sequence whose link was torn down mid-handshake. universal_ble reports that as 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.
    • Update federated package constraints to ^1.1.2.
    Open source →
    Release notes
    • Bump "flutter_midi_command_linux" to 1.1.2 and update the platform interface dependency constraint to ^1.1.2.
    Open source →
  2. 1.1.1 17 Aug 2026
    Release notes
    • FIX(ble): retry the whole connection sequence through transient Android GATT_ERROR 133 failures, including failures during service discovery and notification subscription.
    • FIX(ble): recognise operation-specific GATT failures from their details and preserve typed pairing-removal errors through connection-stage wrappers.
    • FIX(ble): avoid resetting connection priority when it was never raised during a failed connection attempt.
    • FIX(ble): handle stopScan failures when Bluetooth is switched off during a scan instead of surfacing an unhandled asynchronous error.
    • Update federated package constraints to ^1.1.1.
    Open source →
    Release notes
    • Bump "flutter_midi_command_linux" to 1.1.1 and update the platform interface dependency constraint to ^1.1.1.
    Open source →
  3. 1.1.0 12 Aug 2026
    Release notes
    • FIX(darwin): read every packet of a coalesced 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.
    • FIX(ble): serialize writes per device so two SysEx messages sent in quick succession cannot interleave their BLE packets. The peripheral reassembles a multi-packet SysEx statefully, so interleaving silently merged two messages into corruption — the failure mode behind bulk transfers that break partway through with no BLE-level error.
    • FEAT: add 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.
    • FEAT(ble): size BLE MIDI packets from the negotiated ATT MTU and request a low-latency connection interval, both on by default. Together these cut the number of BLE writes per SysEx and lower MIDI latency. Note that they do not speed up a request/response protocol whose cost is the peripheral's turnaround: measured against a GEWA piano, the write path was ~1.4 ms of a ~495 ms per-packet round trip. New 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.
    • FEAT: add 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.
    • FIX(ble): emit the BLE MIDI timestamp byte before the closing 0xF7 in every SysEx packet. It was omitted whenever the remaining body was exactly one byte short of the packet size.
    • BREAKING (implementers only): MidiBleTransport gained onWriteFailure. Classes using implements MidiBleTransport must declare it; extends and all API consumers are unaffected. See the platform interface changelog.
    • Update federated package constraints to ^1.1.0.
    Open source →
    Release notes
    • Bump "flutter_midi_command_linux" to 1.1.0 and update the platform interface dependency constraint to ^1.1.0.
    Open source →
  4. 1.0.9 06 Aug 2026
    Release notes
    • FIX(ble): stop the opportunistic MTU request from stalling Android connections. It was issued from the connection callback and, because universal_ble runs every GATT command through one queue, it sat in front of service discovery long enough for Android to drop the link with GATT_ERROR 133 (surfaced as Unknown Error 133).
    • FIX(ble): retry the BLE link once through a transient Android GATT_ERROR 133, and keep the device in the transport cache across that retry so received data still resolves to it.
    • Update federated package constraints to ^1.0.9.
    Open source →
    Release notes
    • Bump "flutter_midi_command_linux" to 1.0.9 and update the platform interface dependency constraint.
    Open source →
  5. 1.0.8 30 Jul 2026
    Release notes
    • FIX(darwin): report CoreMIDI destinations as inputPorts and sources as outputPorts so port direction matches Android and the public device-owned API contract (#164).
    • FIX(android): disable Kotlin incremental compilation for the Android implementation so Windows builds do not fail when the app project and Pub cache are on different drives (#163).
    • Update federated package constraints to ^1.0.8.
    Open source →
    Release notes
    • Bump "flutter_midi_command_linux" to 1.0.8 and update the platform interface dependency constraint.
    Open source →
  6. 1.0.7 20 Jul 2026
    Release notes
    • FIX: export MidiPairingInfoRemovedException from package:flutter_midi_command/flutter_midi_command.dart.
    • Update federated package constraints to ^1.0.7.
    Open source →
    Release notes
    • Bump "flutter_midi_command_linux" to 1.0.7 and update the platform interface dependency constraint.
    Open source →
  7. 1.0.6 18 Jul 2026
    Release notes
    • FIX: a disconnect that races an in-flight connect no longer surfaces as an unhandled async error on PlatformDispatcher.onError (#160).
    • FIX(ble): surface a typed MidiPairingInfoRemovedException when a peripheral has removed its pairing information (iOS CBErrorPeerRemovedPairingInformation), best-effort clearing the stale bond, instead of leaking a raw UniversalBleException.
    • FIX(android): don't crash when a connected USB MIDI device is unplugged; ConnectedDevice teardown now survives the IOException: EPIPE from a removed device (#158).
    • FIX(platform): don't clobber a device's transitional connecting/disconnecting state when listing devices (#159).
    Open source →
    Release notes
    • Bump "flutter_midi_command_linux" to 1.0.6.
    Open source →
  8. 1.0.5 13 Jul 2026
    Release notes
    • FIX(ios): keep usable non-bonding BLE MIDI connections alive when no CoreMIDI counterpart appears, and perform bonded-device handoff as an optional atomic background upgrade (#157).
    • FIX(ble): strip the BLE timestamp byte from received SysEx so SysEx round-trips on Android/Linux/Windows/Web (was corrupting the payload before 0xF7).
    • FIX(ble): make scan start/stop idempotent to avoid redundant OS scan calls that can desync the Android LE scanner.
    Open source →
    Release notes
    • Bump "flutter_midi_command_linux" to 1.0.5.
    Open source →
  9. 1.0.4 13 Jul 2026
    Release notes
    • FIX(ci): track pubspec_overrides.yaml so melos bootstrap works on clean checkouts.
    • FIX(ble): hide registered devices until rediscovered.
    • FIX(ble): remove stale BLE devices on disconnect.
    • FIX: await BLE MIDI readiness in connectToDevice.
    • FIX: bluetooth discovery with latest Universal_ble.
    • FIX: suppress duplicate BLE packets after the CoreMIDI handoff.
    • FIX: subscribe to BLE MIDI notifications on platforms without a pairing.
    • FIX: update example app to iOS v14 minimum.
    • FIX: port to win32 6, csv 8 and file_picker 12 APIs.
    • FIX: example app dependency update.
    • FEAT(ble): bundle Android permissions and document platform setup.
    Open source →
    Release notes
    • FIX(ci): track pubspec_overrides.yaml so melos bootstrap works on clean checkouts.
    Open source →
  10. 1.0.3 12 Jul 2026
    Release notes
    • FIX(ble): hide registered devices until rediscovered.
    • FIX(ble): remove stale BLE devices on disconnect.
    • FIX: await BLE MIDI readiness in connectToDevice.
    • FIX: bluetooth discovery with latest Universal_ble.
    • FIX: suppress duplicate BLE packets after the CoreMIDI handoff.
    • FIX: subscribe to BLE MIDI notifications on platforms without a pairing.
    Open source →
    Release notes
    • Update a dependency to the latest release.
    Open source →
  11. 1.0.2 30 Jun 2026
    Release notes
    • FIX: update example app to iOS v14 minimum.
    • FIX: port to win32 6, csv 8 and file_picker 12 APIs.
    • FIX: example app dependency update.
    Open source →
  12. 1.0.1 30 Jun 2026
    Release notes
    • fix(darwin) fix corebluetooth to coremidi handover
    Open source →
    Release notes
    • Update a dependency to the latest release.
    Open source →
  13. 1.0.0 29 Jun 2026 withdrawn
    Release notes
    • Aligned CI to Flutter 3.44.2 so the newer BLE dependency resolves in GitHub Actions.
    • Resolved the Windows example build failure caused by deprecated coroutine headers in older universal_ble releases.
    • Restructured into a melos-managed federated monorepo.
    • Bumped federated subpackages to 1.0.0 for the major API transition.
    • Introduced shared BLE transport package (flutter_midi_command_ble) and optional BLE wiring via configureBleTransport.
    • Migrated host API contracts to generated Pigeon interfaces.
    • Added typed host models (MidiDeviceType, MidiHostDevice, MidiPort, MidiPacket) across platform bridges.
    • Added web implementation package (flutter_midi_command_web) using browser Web MIDI.
    • Added transport capabilities/policies and stronger async connection semantics (connectToDevice completes on connection).
    • Added a typed MIDI parser/generator API (MidiMessageParser and MidiMessage.parse) with support for running status, realtime interleaving, SysEx, and NRPN/RPN message flows.
    • Expanded test coverage across shared logic, platform interface, BLE transport, and web backend.
    • Updated the example app with separate transport toggles plus distinct Refresh Devices and Scan BLE controls.
    • Improved Windows MIDI enumeration with hot-plug device updates and better multi-port full-duplex pairing.
    Open source →
    Release notes
    • Major release aligned with the federated monorepo architecture.
    • Updated to the 1.x platform interface and typed host models.
    Open source →
  14. 0.3.0 30 Sep 2023
    Release notes

    Added linux support

    Open source →
    Release notes
    • Updated to Flutter 3.10, Dart 3
    • Added error messages for missing functionality
    Open source →
  15. 0.2.0-dev.1 14 May 2021 pre-release

    Nothing published for this version

  16. 0.1.5 20 Jan 2022
    Release notes

    Updated Android plugin structure Fixed iOS compilation error, with latest Dart Fixed BLE Midi parsing on iOS

    Open source →
  17. 0.1.4 11 Jan 2022
    Release notes

    Updated Gradle version Merge PR #8

    Open source →
    Release notes

    Updated to latest platform interface

    Open source →
  18. 0.1.3 31 Mar 2021
    Release notes

    Better handling of broadcast receiver on Android.

    Open source →
    Release notes

    Fixed buffer allocation

    Open source →
  19. 0.1.2 24 Mar 2021
    Release notes

    Fixed message splitting on iOS Bluetooth MIDI Thanks to https://github.com/TheKashe for the contribution.

    Open source →
    Release notes

    Isolate port close

    Open source →
  20. 0.1.1 24 Mar 2021
    Release notes

    Added missing entitlement in iOS plist for bluetooth access

    Open source →
    Release notes

    Fixed notification on device disconnect

    Open source →
  21. 0.1.0 23 Mar 2021
    Release notes

    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

    Open source →
    Release notes

    First release with linux support

    Open source →
  22. 0.0.1 21 Sep 2020
    Release notes

    Initial Release. Functioning discovery and connection to MIDI devices on Android and iOS, as well as BLE MIDI devices on Android. Functioning sending and receiving of MIDI data

    Open source →
    Release notes

    Initial Linux support

    Open source →

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