Contact emails
xu...@google.com

Explainer
None


Specification
https://wicg.github.io/serial


Design docs

https://web.dev/serial


Summary

This feature allows web pages and web apps to connect to serial ports over 
Bluetooth on Android devices. Chrome on Android now supports Web Serial API 
over Bluetooth RFCOMM. Existing enterprise policies (DefaultSerialGuardSetting, 
SerialAllowAllPortsForUrls, SerialAllowUsbDevicesForUrls, SerialAskForUrls and 
SerialBlockedForUrls) on other platforms are enabled in future_on states for 
Android. All policies except SerialAllowUsbDevicesForUrls will be enabled after 
the feature is enabled. SerialAllowUsbDevicesForUrls will be enabled in a 
future launch after Android provides system level support of wired serial ports.



Blink component
Blink>Serial


TAG review
None


TAG review status
Not applicable


Risks




Interoperability and Compatibility

None


Gecko: Neutral (https://mozilla.github.io/standards-positions/#webserial)

WebKit: Negative (https://webkit.org/tracking-prevention)

Web developers: No signals

Other signals:


WebView application risks

Does this intent deprecate or change behavior of existing APIs, such that it 
has potentially high risk for Android WebView-based applications?

None




Debuggability

None



Will this feature be supported on all six Blink platforms (Windows, Mac, Linux, 
ChromeOS, Android, and Android WebView)?
No
This is a catch-up work for Android, but the Webview embedder will not have it, 
similar to other device features.



Is this feature fully tested by web-platform-tests?
No


Flag name on about://flags
None


Finch feature name
BluetoothRfcommAndroid


Rollout plan
Will ship enabled for all users


Requires code in //chrome?
False


Tracking bug
https://g-issues.chromium.org/issues/375245353


Launch bug
https://launch.corp.google.com/launch/4360426


Estimated milestones


Shipping on Android 137




Anticipated spec changes

Open questions about a feature may be a source of future web compat or interop 
issues. Please list open issues (eg links to known github issues in the project 
for the feature specification) whose resolution may introduce web 
compat/interop risk (eg, changing to naming or structure of the API in a 
non-backward-compatible way).
None


Link to entry on the Chrome Platform Status
https://chromestatus.com/feature/5139978918821888?gate=6303617830879232


This intent message was generated by Chrome Platform Status.

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