Web MIDI MIDIMessageEvent.receivedTime deprecation (removed)

Deprecate receivedTime property from MIDIMessageEvent. This is because the attribute was introduced to represent a high-resolution timestamp for real-time MIDI processing, but DOM Event started using hi-resolution monotonic time instead of epoch time for Event.timeStamp that can cover our use-case too.


Will start showing message on M-54, and remove the attribute on M-56.



Working draft or equivalent

Status in Chromium


Removed (launch bug) in:

  • Chrome for desktop release 56
  • Chrome for Android release 56
  • Android WebView release 56
  • Opera release 43
  • Opera for Android release 43

Consensus & Standardization

  • In development
  • No public signals
  • No public signals
  • No signals


Last updated on 2017-06-14