📃 April 2025 release notes
Newly available
The following features are newly available:
-
Atomics.pause():
The
Atomics.pause()
static method gives a hint to the CPU that the code calling the method is in a short-duration wait for shared memory, known as spinning or a spinlock. - Float16Array: Float16Array is a typed array of 16-bit floating point numbers.
-
Single color stop gradients:
A single color stop can be provided to the
linear-gradient()
,radial-gradient()
, andconic-gradient()
CSS functions, and their repeating counterparts, to create a solid color background.
Widely available
The following features are now widely available:
-
ic unit:
The
ic
CSS length unit corresponds to the width of CJK ideographic characters.
New in Chrome
The following features are now available in Chrome:
-
fetchLater:
The
fetchLater()
method requests a deferred fetch sent at an unknown time. The browser chooses a reliable time to send the request, ideally when the document is unloaded, and ignores the response. This API is useful for sending beacons to a server without expecting a particular response. -
Invoker commands:
The
command
andcommandfor
attributes for the<button>
HTML element dispatch an action to an element when the button is invoked (by click or keystroke), as a declarative alternative toaddEventListener()
calls oronclick
attribute handlers. -
Scroll markers:
A scroll container can be navigated by activating
::scroll-marker
pseudo-elements which appear in a generated::scroll-marker-group
pseudo-element, either before or after the scroll container.
New in Chrome Android
The following features are now available in Chrome Android:
-
fetchLater:
The
fetchLater()
method requests a deferred fetch sent at an unknown time. The browser chooses a reliable time to send the request, ideally when the document is unloaded, and ignores the response. This API is useful for sending beacons to a server without expecting a particular response. -
Invoker commands:
The
command
andcommandfor
attributes for the<button>
HTML element dispatch an action to an element when the button is invoked (by click or keystroke), as a declarative alternative toaddEventListener()
calls oronclick
attribute handlers.
New in Edge
The following features are now available in Edge:
-
fetchLater:
The
fetchLater()
method requests a deferred fetch sent at an unknown time. The browser chooses a reliable time to send the request, ideally when the document is unloaded, and ignores the response. This API is useful for sending beacons to a server without expecting a particular response. -
Invoker commands:
The
command
andcommandfor
attributes for the<button>
HTML element dispatch an action to an element when the button is invoked (by click or keystroke), as a declarative alternative toaddEventListener()
calls oronclick
attribute handlers. -
Scroll markers:
A scroll container can be navigated by activating
::scroll-marker
pseudo-elements which appear in a generated::scroll-marker-group
pseudo-element, either before or after the scroll container.
New in Firefox
The following features are now available in Firefox:
-
Hyphenate limit chars:
The
hyphenate-limit-chars
CSS property sets the number of characters in a word before it is hyphenated and the minimum number of characters on either side of the hyphen.
New in Firefox for Android
The following features are now available in Firefox for Android:
-
Hyphenate limit chars:
The
hyphenate-limit-chars
CSS property sets the number of characters in a word before it is hyphenated and the minimum number of characters on either side of the hyphen.