2017-08-17

Chromium

• Added: Remove getMatchedCSSRules

  Status	In development

• Added: Stronger popup blocker on sites with abusive ads

  Status	In development

2017-08-16

Chromium

• Changed: Make /deep/ behave like the descendant combinator " "

  Android	61	→	63
  Desktop	61	→	63

• Changed: Navigation preload for service workers

  Status	Enabled by default	→	Behind a flag
  Flag	False	→	True

2017-08-15

Chromium

• Changed: Implement visibility:collapse for table rows and row-groups

  Status	In development	→	Enabled by default
  Android	(n/a)	→	62
  Desktop	(n/a)	→	62

• Added: CSS font-variant-east-asian

  Status	In development

2017-08-11

Chromium

• Changed: RegExp `dotAll` mode / `s` flag

  Android	(n/a)	→	62
  Desktop	(n/a)	→	62
  Ios	(n/a)	→	62

• Changed: Geometry interfaces

  Status	Behind a flag	→	Enabled by default
  Flag	True	→	False
  Android	58	→	61
  Desktop	58	→	61

• Added: WebAssembly Worker Based Threads

  Status	In development

2017-08-10

Chromium

• Changed: API for customizing HTMLMediaElement.seekable for Media Source live streams

  Status	Behind a flag	→	Enabled by default
  Flag	True	→	False
  Android	53	→	62
  Desktop	53	→	62

• Changed: RegExp lookbehind assertions

  Status	No active development	→	Enabled by default
  Android	(n/a)	→	62
  Desktop	(n/a)	→	62

• Changed: Object rest/spread properties

  Ios	60	→	(n/a)

2017-08-09

Chromium

• Changed: <time> element

  Status	Proposed	→	Enabled by default
  Android	(n/a)	→	62
  Desktop	(n/a)	→	62

• Added: import.meta

  Status	No active development

• Added: Signature-based Resource Loading Restrictions

  Status	In development

• Added: Update ol.start default value as 1

  Status	In development

• Added: Dispatch mouse transition events after layout

  Status	Behind a flag

WebKit (WebCore)

• Changed: CSS Font Display

  Status	Under Consideration	→	In Development

2017-08-08

Edge

• Changed: Web Assembly (MVP)

  UnPrefixed	15063	→	16241
  Enabling in about:flags	True	→	(n/a)

Firefox

• Changed: requestIdleCallback (Background Tasks API)

  Channel	beta	→	release

• Changed: WebVR API 1.1

  Channel	beta	→	release

2017-08-07

Chromium

• Changed: OpenType variable font support

  Status	In development	→	Enabled by default
  Android	(n/a)	→	62
  Desktop	(n/a)	→	62

• Changed: Remove navigator.vibrate without user gesture

  Android	(n/a)	→	60
  Desktop	60	→	(n/a)

• Added: GamePad API vibration extension

  Status	No active development

2017-08-04

Chromium

• Changed: RTCPeerConnection.getStreamById

  Status	Deprecated	→	Removed
  Android	60	→	62
  Desktop	60	→	62

WebKit (JavaScriptCore)

• Added: Async Iteration

  Status	In development
  EnabledByDefault	false

2017-08-03

Edge

• Changed: Grid Update

  UnPrefixed	16226	→	16237
  Enabling in about:flags	True	→	(n/a)

• Changed: Subresource Integrity

  Status	Under Consideration	→	Preview Release
  Prefixed	(n/a)	→	16257
  Enabling in about:flags	(n/a)	→	True

• Changed: Screen Capture

  Status	Under Consideration	→	In Development
  Priority	Medium	→	(n/a)

• Changed: Cache API

  Status	In Development	→	Preview Release
  UnPrefixed	(n/a)	→	16257

• Added: Secure Contexts

  Status	Shipped

• Added: Media Capture from Canvas

  Status	Under Consideration

• Added: Media Capture from HTML Media Element

  Status	Under Consideration

• Added: Audio Output Devices API

  Status	Under Consideration

Chromium

• Changed: SharedWorker: Remove workerStart

  Status	Enabled by default	→	Removed
  Android	(n/a)	→	62
  Desktop	33	→	62

• Added: Origin Policy

  Status	In development

WebKit (WebCore)

• Changed: Service Workers

  Status	Under Consideration	→	In Development

2017-08-02

Chromium

• Changed: WebVR v1.1

  Status	In development	→	Origin trial
  Android	(n/a)	→	56

WebKit (WebCore)

• Changed: Beacon API

  Status	Under Consideration	→	In Development

2017-08-01

Chromium

• Changed: PaymentDetailsModifier.data

  Android	61	→	62
  Desktop	61	→	62

• Changed: API for customizing HTMLMediaElement.seekable for Media Source live streams

  Ios	53	→	(n/a)

• Changed: Service Worker: Allow CORS responses for client requests

  Status	In development	→	Enabled by default
  Android	(n/a)	→	46
  Desktop	(n/a)	→	46

• Added: Support FLAC in ISO-BMFF with MSE

  Status	In development

2017-07-31

Chromium

• Added: macOS: Update of User-Agent stylesheet for buttons

  Status	Enabled by default

2017-07-30

Chromium

• Changed: Device RAM header & API

  Status	Proposed	→	Enabled by default
  Android	(n/a)	→	61
  Desktop	(n/a)	→	61
  Ios	(n/a)	→	61

2017-07-29

Chromium

• Changed: Media Capture from HTML Media Element (<video>/<audio>)

  Status	Behind a flag	→	Enabled by default
  Flag	True	→	False
  Android	53	→	62
  Desktop	53	→	62

2017-07-28

Edge

• Changed: Meta Referrer

  Status	Shipped	→	In Development
  UnPrefixed	10240	→	(n/a)

Chromium

• Changed: WebAudio: OfflineAudioContext constructor with dictionary

  Status	In development	→	Enabled by default
  Android	(n/a)	→	62
  Desktop	(n/a)	→	62
  Ios	(n/a)	→	62

• Added: RegExp lookbehind assertions

  Status	No active development

2017-07-26

Chromium

• Changed: PaymentRequest

  Desktop	60	→	61
  Ios	(n/a)	→	62

• Changed: WebUSB API

  Status	Enabled by default	→	Behind a flag
  Flag	False	→	True

• Changed: The `report-sample` property in CSP violation reports.

  Status	Behind a flag	→	Enabled by default
  Flag	True	→	False

2017-07-25

WebKit (WebCore)

• Added: Payment Request

  Status	Under Consideration

2017-07-24

Chromium

• Changed: Fetch API: Request#url includes the URL fragment

  Status	Enabled by default	→	In development
  Android	59	→	(n/a)
  Desktop	59	→	(n/a)

• Changed: <data> element

  Status	In development	→	Enabled by default
  Android	(n/a)	→	62
  Desktop	(n/a)	→	62

• Changed: First Paint Timing API

  Status	In development	→	Enabled by default
  Android	(n/a)	→	60
  Desktop	(n/a)	→	60

• Added: Performance.timeOrigin

  Status	In development

2017-07-21

Chromium

• Changed: MediaStream Image Capture - getPhotoSettings() method

  Status	In development	→	Enabled by default
  Android	(n/a)	→	61
  Desktop	(n/a)	→	61

• Changed: MediaStreamTrack.getSettings()

  Android	59	→	61
  Desktop	59	→	61

• Changed: SyncManager interface exposed to all workers

  Status	In development	→	Enabled by default
  Android	(n/a)	→	61
  Desktop	(n/a)	→	61

• Removed: SyncManager interface exposed to all workers
• Removed: Remove FTS extension support from WebSQL

2017-07-20

Chromium

• Changed: RTCPeerConnection.getConfiguration

  Status	Enabled by default	→	In development
  Android	58	→	(n/a)
  Desktop	58	→	(n/a)

• Changed: MediaStreamTrack.getSettings()

  Status	In development	→	Enabled by default
  Android	(n/a)	→	59
  Desktop	(n/a)	→	59

• Changed: Response.redirected and a new security restriction

  Android	57	→	59
  Desktop	57	→	59

• Changed: RTCPeerConnection.setConfiguration

  Status	In development	→	Enabled by default
  Android	(n/a)	→	58
  Desktop	(n/a)	→	58

2017-07-19

Chromium

• Changed: Make /deep/ behave like the descendant combinator " "

  Android	60	→	61
  Desktop	60	→	61

2017-07-18

Chromium

• Changed: Accept 8 (#RRGGBBAA) and 4 (#RGBA) value hex colors

  Android	61	→	62
  Desktop	61	→	62

• Changed: CSSOM View smooth scroll API

  Status	In development	→	Enabled by default
  Android	(n/a)	→	61
  Desktop	(n/a)	→	61
  Ios	(n/a)	→	61

• Changed: Expect-CT header

  Status	In development	→	Enabled by default
  Android	(n/a)	→	61
  Desktop	(n/a)	→	61

• Changed: PaymentDetailsModifier.data

  Status	In development	→	Behind a flag
  Flag	False	→	True
  Android	(n/a)	→	61
  Desktop	(n/a)	→	61

• Changed: visualViewport API

  Status	Behind a flag	→	Enabled by default
  Flag	True	→	False
  Android	51	→	61
  Desktop	51	→	61

• Changed: CSS Box Alignment shorthands

  Status	In development	→	Enabled by default
  Android	(n/a)	→	59
  Desktop	(n/a)	→	59

• Added: SharedWorker: Remove workerStart

  Status	Enabled by default

2017-07-17

Chromium

• Added: WebAudio: OfflineAudioContext constructor with dictionary

  Status	In development