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Compatibility tables for support of HTML5, CSS3, SVG and more in desktop and mobile browsers.

8 new features

7 April 2024 @ 12:00 am

- WebAssembly BigInt to i64 conversion in JS API: An extension to the WebAssembly JS API for bidrectionally converting BigInts and 64-bit WebAssembly integer values - WebAssembly Bulk Memory Operations: An extension to WebAssembly adding bulk memory operations and conditional segment initialization - WebAssembly Multi-Value: An extension to WebAssembly allowing instructions, blocks and functions to produce multiple result values - WebAssembly Import/Export of Mutable Globals: An extension to WebAssembly import and export of mutable global variables - WebAssembly Non-trapping float-to-int Conversion: An extension to WebAssembly adding floating-point to integer conversion operators which saturate instead of trapping - WebAssembly Sign Extension O

2 new features

17 February 2024 @ 12:00 am

- WebAssembly Reference Types: An extension to WebAssembly allowing opaque references as first-class types, and multiple tables - CSS Anchor Positioning: Allows placing elements anywhere on the page relative to an "anchor element", without regard to the layout of other elements besides their containing block

New feature: Selectlist - Customizable select element

7 January 2024 @ 12:00 am

Selectlist - Customizable select element: Proposal for a customizable <select> element, currently defined as <selectlist>, previously <selectmenu>.

Baseline badges now on Can I use

12 December 2023 @ 8:33 am

Starting today, you will start noticing badges on feature tables that map to Web Features. These badges match those seen on MDN Web Docs and offer a quick at-a-glance view of feature support based on the Baseline definition. To learn more about the badges on Can I use and what they mean see this announcement. If you'd like to learn more about Baseline see this explanation from the WebDX community group. Note that the badges are intended as a helpful way to see if support meets a certain defined threshold, the full support table should always be consulted to learn details about a feature's support.

GA4 import now available

13 November 2023 @ 9:15 am

Since the launch of Google Analytics 4 the original importer no longer worked. Now a new import system is available to include browser usage data from your Google Analytics 4 account. This importer no longer requires direct account access though it does depend on a one-time process of setting up an Exploration to export browser usage data. To start importing visit the usage import page. For any problems with the importer you can file an issue on Github. Happy importing!

New feature: zstd (Zstandard) content-encoding

19 August 2023 @ 12:00 am

zstd (Zstandard) content-encoding: Data compression method providing faster page loading while using less CPU power on the server.

New feature: Scoped Styles: the @scope rule

3 July 2023 @ 12:00 am

Scoped Styles: the @scope rule: Allows CSS rules to be scoped to part of the document, with upper and lower limits described by selectors.

New feature: View Transitions API (single-document)

11 June 2023 @ 12:00 am

View Transitions API (single-document): Provides a mechanism for easily creating animated transitions between different DOM states, while also updating the DOM contents in a single step. This API is specific to single-document transitions, support for same-origin cross-document transitions is being planned.

New feature: Passkeys

10 June 2023 @ 12:00 am

Passkeys: Passkeys, also known as Multi-device FIDO Credentials, provide users with an alternative to passwords that is much easier to use and far more secure.

New feature: CSS text-wrap: balance

8 June 2023 @ 12:00 am

CSS text-wrap: balance: Allows multiple lines of text to have their lines broken in such a way that each line is roughly the same width, often used to make headlines more readable and visually appealing.