📃 February 2025 release notes

Widely available

The following features are now widely available:

Individual transform properties: The translate, rotate, and scale CSS properties apply single transformations independently, as opposed to applying multiple transformations with the transform CSS property.

The following features are now available in Chrome:

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.
Attribution reporting: The Attribution Reporting API measures when an ad click or view leads to a conversion, such as a purchase on an advertiser site.
Container scroll-state queries: Container scroll-state queries with the @container scroll-state(...) at-rule apply styles to an element based on the sticky positioning, snapped, and scrollable state of the container.
text-box: The text-box CSS property sets the spacing above and below text based on a font's typographic features. For example, text-box: trim-both ex alphabetic trims the top to the top of the letter x and the bottom to the bottom of most letters, without descenders.
Memory64 (WebAssembly): Instructions accept 64-bit memory indexes.

The following features are now available in Chrome Android:

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.
Attribution reporting: The Attribution Reporting API measures when an ad click or view leads to a conversion, such as a purchase on an advertiser site.
Container scroll-state queries: Container scroll-state queries with the @container scroll-state(...) at-rule apply styles to an element based on the sticky positioning, snapped, and scrollable state of the container.
text-box: The text-box CSS property sets the spacing above and below text based on a font's typographic features. For example, text-box: trim-both ex alphabetic trims the top to the top of the letter x and the bottom to the bottom of most letters, without descenders.
Memory64 (WebAssembly): Instructions accept 64-bit memory indexes.

The following features are now available in Edge:

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.
Attribution reporting: The Attribution Reporting API measures when an ad click or view leads to a conversion, such as a purchase on an advertiser site.
Container scroll-state queries: Container scroll-state queries with the @container scroll-state(...) at-rule apply styles to an element based on the sticky positioning, snapped, and scrollable state of the container.
text-box: The text-box CSS property sets the spacing above and below text based on a font's typographic features. For example, text-box: trim-both ex alphabetic trims the top to the top of the letter x and the bottom to the bottom of most letters, without descenders.
Memory64 (WebAssembly): Instructions accept 64-bit memory indexes.

The following features are now available in Firefox:

JSON source text access: To serialize and parse JSON in a lossless way, JSON.stringify() handles rawJSON values and JSON.parse()'s reviver callback takes a source context parameter.

The following features are now available in Firefox for Android:

JSON source text access: To serialize and parse JSON in a lossless way, JSON.stringify() handles rawJSON values and JSON.parse()'s reviver callback takes a source context parameter.