CSS Properties and Values

Native File System

See the Origin Trials section for information on signing up and for a list of other origin trials in this release.

Origin Trials

Signed Exchange Subresource Prefetching and Loading by Extending the HTTP Link Header.

SMS Receiver API

Other Features in this Release

Apply Opacity for the Default Style of INPUT/TEXTAREA placeholder

#757575

rgba(0, 0, 0, 0.54)

Extend Byte-for-Byte Update Check to all Service Worker importScripts() Resources

importScripts()

Faster Web Sockets

ArrayBuffer

WebSocket

Linux: 7.5 times faster

Windows: 4.1 times faster

Mac: 7.8 times faster

More restrictive hasEnrolledInstrument() for Autofill Instruments

PaymentRequest.hasEnrolledInstrument()

PaymentResponse.prototype.retry()

retry()

PaymentResponse

Percentage Opacity

opacity

stop-opacity

fill-opacity

stroke-opacity

shape-image-threshold

opacity: 50%

opacity: 0.5

rgba()

rgba(0, 255, 0, 50%)

Redact Address in PaymentRequest.onshippingaddresschange Event

ShippingAddressChange

PaymentRequest.onshippingaddresschange

recipient

organization

addressLine

phoneNumber

Seeking

seekto

seekto

User Timing L3

Developers can pass custom timestamps to performance.measure() and performance.mark() , so as to conduct measurement across arbitrary timestamps.

and , so as to conduct measurement across arbitrary timestamps. Developers can report arbitrary metadata with performance.mark() and performance.measure() , which provides rich data to analytics via a standardized API.

Deprecations, and Removals

XSS Auditor