This change will require users to grant permission before they can use the Web MIDI API. Currently, users must explicitly grant permission to use SysEx messages with the Web MIDI API. With this change, users will need to grant a single permission to use the Web MIDI API and SysEx support. Both permissions will be requested in a bundled permission prompt.
Firefox already has a permissions prompt on Web MIDI API. We are working with known partners and plan on socializing this Chromium change.
We hope to ship this in Q2 2023.
Open questions about a feature may be a source of future web compat or interop issues. Please list open issues (e.g. links to known github issues in the project for the feature specification) whose resolution may introduce web compat/interop risk (e.g., changing to naming or structure of the API in a non-backward-compatible way).
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