Browser support tracking

Element.requestFullscreen() returns Promise

Source
Relevant PR: #2751
MDN Compatibility Table
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Requires Safari v16.4.
See Apple's documentation for supported devices.

MediaQueryList inherits EventTarget

Source
Relevant PR: #2850
MDN Compatibility Table
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Requires Safari v14.
See Apple's documentation for supported devices.

resolution media feature

Source
Relevant PR: https://github.com/rust-windowing/winit/pull/2850
MDN Compatibility Table
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Requires Safari v16.
See Apple's documentation for supported devices.

ResizeObserver initial size

Source
Relevant PR: #2859

Requires Safari v17.
See Apple's documentation for supported devices: iOS, iPadOS.

Fullscreen API

Source
Relevant PR: #2948
MDN Compatibility Table
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WPT

Requires Desktop Safari v16.4.
Requires Mobile Safari v17.2.
See Apple's documentation for supported devices: iOS, iPadOS.

• Safari
  • currently unsupported on iPhones.
  • on iPad's it only registers modifiers and special characters as keyboard input.

PointerEvent.getCoalescedEvents()

Source
Relevant PR: #2840
MDN Compatibility Table
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WPT

• Safari: Bugzilla

ResizeObserverEntry.devicePixelContentBoxSize

Source
Relevant PR: #2859
MDN Compatibility Table
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WPT

• Safari: Bugzilla

Measure MouseEvent.offsetX/Y from padding edge

Source
Relevant PR: #2944

• Safari: Bugzilla

Prioritized Task Scheduling API

Source
Relevant PR: #3044
MDN Compatibility Table
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WPT

• Firefox: Bugzilla
• Safari: ?

Window.requestIdleCallback()

Source
Relevant PR: #3084
MDN Compatibility Table
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WPT

• Safari: Bugzilla

Correct MouseEvent.movementX/Y in coalesced events

Source
Relevant PR: #3770

• Firefox: Bugzilla

Correct coordinate space for MouseEvent.movementX/Y

Source
Relevant PR: #3770
W3C discussion: https://github.com/w3c/pointerlock/issues/42

• Chrome: https://issues.chromium.org/issues/41427414

User-Agent Client Hints API

Source
Relevant PR: #3770
MDN Compatibility Table
WPT

• Firefox: Bugzilla
• Safari: Bugzilla

cursor: url() correctness

Source
Relevant PR: #3218

• Chrome
  • Chromium bug: Changing the cursor is no-op when bigger than a certain size instead of scaling.
• Firefox
  • Bugzilla: Cursor is (sometimes) not updated unless the mouse is moved.
  • Bugzilla: Changing the cursor is no-op when bigger than a certain size instead of scaling.

Element.requestPointerLock unadjustedMovement option

Source
MDN Compatibility Table
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• Chrome
  • Chromium bug: Not working on Linux, but no way to detect support.
• Firefox: Bugzilla
• Safari: Bugzilla

pointerrawupdate event

Relevant PR: #2877
Caniuse
WPT

• Chrome
  • Chromium bug: Not working when pointer is locked.
  • Chromium bug: Reporting wrong positions in an inline frame.
• Firefox: Bugzilla
• Safari: Bugzilla