Platform status

What we’ve built and what's on our roadmap. Find information about our backlog and upcoming priorities on the Microsoft Edge Dev Blog.

Features (87 Results)

in

Applies a CSS filter effect to the content behind an element. This is not the element's background but the content that would be drawn behind it.

Roadmap Priority: Low — We are still evaluating this technology. There may be significant spec stabilization, foundational work, or additional community input required before we can begin development.

  • Microsoft Edge

    Under Consideration in Microsoft Edge
    on Desktop, Mixed Reality, Mobile and Xbox

  • Chrome

    In Development in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Opera

    Not Supported in Opera

  • Safari

    In Development in Safari

Specifies the blending mode used for each background layer

Roadmap Priority: Low — We are still evaluating this technology. There may be significant spec stabilization, foundational work, or additional community input required before we can begin development.

  • Microsoft Edge

    Under Consideration in Microsoft Edge
    on Desktop, Mixed Reality, Mobile and Xbox

  • Chrome

    Shipped in Chrome

  • Firefox

    Shipped in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Opera

    Shipped in Opera

  • Safari

    Shipped in Safari

Allows access to see the battery level of the device's battery

Roadmap Priority: Low — We are still evaluating this technology. There may be significant spec stabilization, foundational work, or additional community input required before we can begin development.

  • Microsoft Edge

    Under Consideration in Microsoft Edge
    on Desktop, Mixed Reality, Mobile and Xbox

  • Chrome

    Shipped in Chrome

  • Firefox

    Shipped in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Opera

    In Development in Opera

  • Safari

    Not Supported in Safari

CSS properties for aligning boxes within their container. Allows for true vertical centering among other features.

Roadmap Priority: Low — We are still evaluating this technology. There may be significant spec stabilization, foundational work, or additional community input required before we can begin development.

  • Microsoft Edge

    Under Consideration in Microsoft Edge
    on Desktop, Mixed Reality, Mobile and Xbox

  • Chrome

    In development in Chrome

  • Firefox

    In development in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Opera

    In Development in Opera

  • Safari

    Not Supported in Safari

Add a textDecoration attribute to canvas 2D contexts, behavior similar to existing "font" attribute: It's a DOMString, parsed the same way as corresponding CSS property (text-decoration).

  • Microsoft Edge

    Under Consideration in Microsoft Edge
    on Desktop, Mixed Reality, Mobile and Xbox

  • Chrome

    Not Supported in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Opera

    Not Supported in Opera

  • Safari

    Not Supported in Safari

Specifies a gradient where the color stops are placed around the circumference of a circle.

Roadmap Priority: Low — We are still evaluating this technology. There may be significant spec stabilization, foundational work, or additional community input required before we can begin development.

  • Microsoft Edge

    Under Consideration in Microsoft Edge
    on Desktop, Mixed Reality, Mobile and Xbox

  • Chrome

    Not Supported in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Opera

    Not Supported in Opera

  • Safari

    Not Supported in Safari

console.table allows the logging of tabular data to a connected developer tool.

  • Microsoft Edge

    Under Consideration in Microsoft Edge
    on Desktop, Mixed Reality, Mobile and Xbox

  • Chrome

    Shipped in Chrome

  • Firefox

    Shipped in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Opera

    Shipped in Opera

  • Safari

    Shipped in Safari

Credential Management API describes an imperative API enabling a website to request a user’s credentials from a user agent, and to help the user agent correctly store user credentials for future use.

Roadmap Priority: Medium — Development is likely for a future release.

  • Microsoft Edge

    Under Consideration in Microsoft Edge
    on Desktop, Mixed Reality, Mobile and Xbox

  • Chrome

    Shipped in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Opera

    In Development in Opera

  • Safari

    In development in Safari

Allows script loaded via a CSP2 nonce-based or hash-based whitelist to load other script, enabling developers and site administrators to reduce their reliance on whitelists and to tighten CSP implementations.

Roadmap Priority: Medium — Development is likely for a future release.

  • Microsoft Edge

    Under Consideration in Microsoft Edge
    on Desktop, Mixed Reality, Mobile and Xbox

  • Chrome

    Shipped in Chrome

  • Firefox

    In development in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Opera

    Shipped in Opera

  • Safari

    Not Supported in Safari

Allows a server to instruct the user agent to upgrade insecure requests via a Content-Security-Policy header. This directive is meant to make it even easier for a site administrator to move towards using all secure transports, while avoiding having to make massive updates to URLs in their web applications.

Roadmap Priority: Medium — Development is likely for a future release.

  • Microsoft Edge

    Under Consideration in Microsoft Edge
    on Desktop, Mixed Reality, Mobile and Xbox

  • Chrome

    Not Supported in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Opera

    Not Supported in Opera

  • Safari

    Not Supported in Safari

The all property is a shorthand that resets all CSS properties except direction and unicode-bidi

Roadmap Priority: Medium — Development is likely for a future release.

  • Microsoft Edge

    Under Consideration in Microsoft Edge
    on Desktop, Mixed Reality, Mobile and Xbox

  • Chrome

    Shipped in Chrome

  • Firefox

    Shipped in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Opera

    Shipped in Opera

  • Safari

    Not Supported in Safari

A primitive for isolating style, layout, and paint. This will allow web developers to opt into the various aspects of the pipeline, allowing for UA optimizations.

Roadmap Priority: Low — We are still evaluating this technology. There may be significant spec stabilization, foundational work, or additional community input required before we can begin development.

  • Microsoft Edge

    Under Consideration in Microsoft Edge
    on Desktop, Mixed Reality, Mobile and Xbox

  • Chrome

    Shipped in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Opera

    Shipped in Opera

  • Safari

    Not Supported in Safari

The :scope pseudo-class represents any element that is in the contextual reference element set.

Roadmap Priority: Medium — Development is likely for a future release.

  • Microsoft Edge

    Under Consideration in Microsoft Edge
    on Desktop, Mixed Reality, Mobile and Xbox

  • Chrome

    Shipped in Chrome

  • Firefox

    Shipped in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Opera

    Shipped in Opera

  • Safari

    Shipped in Safari

The function allows filtering an CSS input image with a set of filter functions. The used filter functions are the same as for the CSS filter property. The filter() function can be animated as well.

  • Microsoft Edge

    Under Consideration in Microsoft Edge
    on Desktop, Mixed Reality, Mobile and Xbox

  • Chrome

    Not Supported in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Opera

    Not Supported in Opera

  • Safari

    In development in Safari

The function allows filtering using SVG Filter elements as the filter function.

  • Microsoft Edge

    Under Consideration in Microsoft Edge
    on Desktop, Mixed Reality, Mobile and Xbox

  • Chrome

    Shipped in Chrome

  • Firefox

    Shipped in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Opera

    Shipped in Opera

  • Safari

    Shipped in Safari

This CSS module describes events and interfaces used for dynamically loading font resources.

Roadmap Priority: Low — We are still evaluating this technology. There may be significant spec stabilization, foundational work, or additional community input required before we can begin development.

  • Microsoft Edge

    Under Consideration in Microsoft Edge
    on Desktop, Mixed Reality, Mobile and Xbox

  • Chrome

    Shipped in Chrome

  • Firefox

    Shipped in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Opera

    Shipped in Opera

  • Safari

    In development in Safari

Enables responsive images in CSS by specifiying multiple resolutions of an image that the browser can select from for the given situation.

Roadmap Priority: Medium — Development is likely for a future release.

  • Microsoft Edge

    Under Consideration in Microsoft Edge
    on Desktop, Mixed Reality, Mobile and Xbox

  • Chrome

    Shipped in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Opera

    Shipped in Opera

  • Safari

    Shipped in Safari

Extends the CSS sizing properties with keywords that represent content-based "intrinsic" sizes and context-based "extrinsic" sizes, allowing CSS to more easily describe boxes that fit their content or fit into a particular layout context.

Roadmap Priority: Low — We are still evaluating this technology. There may be significant spec stabilization, foundational work, or additional community input required before we can begin development.

  • Microsoft Edge

    Under Consideration in Microsoft Edge
    on Desktop, Mixed Reality, Mobile and Xbox

  • Chrome

    Shipped in Chrome

  • Firefox

    In development in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Opera

    Shipped in Opera

  • Safari

    In development in Safari

Support the attr() function as a component value in properties applied to an element. Currently, attr() is only supported in the content property applied to pseudo-elements.

Roadmap Priority: Low — We are still evaluating this technology. There may be significant spec stabilization, foundational work, or additional community input required before we can begin development.

  • Microsoft Edge

    Under Consideration in Microsoft Edge
    on Desktop, Mixed Reality, Mobile and Xbox

  • Chrome

    Not Supported in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Opera

    Not Supported in Opera

  • Safari

    Not Supported in Safari

Introduces logical properties and values that provide the author with the ability to control layout through logical, rather than physical, direction and dimension mappings.

Roadmap Priority: High — We intend to begin development soon.

  • Microsoft Edge

    Under Consideration in Microsoft Edge
    on Desktop, Mixed Reality, Mobile and Xbox

  • Chrome

    Not Supported in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Opera

    Not Supported in Opera

  • Safari

    Not Supported in Safari

Motion paths allow authors to animate any graphical object along an author specified path.

Roadmap Priority: Medium — Development is likely for a future release.

  • Microsoft Edge

    Under Consideration in Microsoft Edge
    on Desktop, Mixed Reality, Mobile and Xbox

  • Chrome

    Shipped in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Opera

    Shipped in Opera

  • Safari

    Not Supported in Safari

Adds an optional argument to existing scroll APIs that specifies whether scrolling should be smooth. Also adds a CSS property for this.

  • Microsoft Edge

    Under Consideration in Microsoft Edge
    on Desktop, Mixed Reality, Mobile and Xbox

  • Chrome

    Shipped in Chrome

  • Firefox

    Shipped in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Opera

    Shipped in Opera

  • Safari

    Not Supported in Safari

The relational pseudo-class, :has(), is a functional pseudo-class taking a relative selector list as an argument. Similar to jQuery’s :has() selector.

Roadmap Priority: Low — We are still evaluating this technology. There may be significant spec stabilization, foundational work, or additional community input required before we can begin development.

  • Microsoft Edge

    Under Consideration in Microsoft Edge
    on Desktop, Mixed Reality, Mobile and Xbox

  • Chrome

    Not Supported in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Opera

    Not Supported in Opera

  • Safari

    Not Supported in Safari

Allows one to specify whether or not an element is resizable by the user, and if so, along which axis/axes

Roadmap Priority: Low — We are still evaluating this technology. There may be significant spec stabilization, foundational work, or additional community input required before we can begin development.

  • Microsoft Edge

    Under Consideration in Microsoft Edge
    on Desktop, Mixed Reality, Mobile and Xbox

  • Chrome

    Shipped in Chrome

  • Firefox

    Shipped in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Opera

    Shipped in Opera

  • Safari

    Shipped in Safari

Extends the selectors with :matches, :has, :not(complex selector), :dir, case insensitive attribute matching and more.

  • Microsoft Edge

    Under Consideration in Microsoft Edge
    on Desktop, Mixed Reality, Mobile and Xbox

  • Chrome

    Not Supported in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Opera

    Not Supported in Opera

  • Safari

    Not Supported in Safari

The tab-size property sets the size used to render tab characters in situations where white space is preserved

Roadmap Priority: Medium — Development is likely for a future release.

  • Microsoft Edge

    Under Consideration in Microsoft Edge
    on Desktop, Mixed Reality, Mobile and Xbox

  • Chrome

    Shipped in Chrome

  • Firefox

    Shipped in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Opera

    Shipped in Opera

  • Safari

    Shipped in Safari

Adds a will-change CSS property, that can be used to signal that a particular property is likely to be changed in the future, or that an element's content is likely to change.

Roadmap Priority: Low — We are still evaluating this technology. There may be significant spec stabilization, foundational work, or additional community input required before we can begin development.

  • Microsoft Edge

    Under Consideration in Microsoft Edge
    on Desktop, Mixed Reality, Mobile and Xbox

  • Chrome

    Shipped in Chrome

  • Firefox

    In development in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Opera

    Shipped in Opera

  • Safari

    Shipped in Safari

Method for registering (creating) custom elements in script (often used in Web Components).

Roadmap Priority: Medium — Development is likely for a future release.

  • Microsoft Edge

    Under Consideration in Microsoft Edge
    on Desktop, Mixed Reality, Mobile and Xbox

  • Chrome

    Shipped in Chrome

  • Firefox

    In development in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Opera

    Shipped in Opera

  • Safari

    Shipped in Safari

An HTML element for modal and non-modal dialog boxes

Roadmap Priority: Medium — Development is likely for a future release.

  • Microsoft Edge

    Under Consideration in Microsoft Edge
    on Desktop, Mixed Reality, Mobile and Xbox

  • Chrome

    Shipped in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Opera

    In Development in Opera

  • Safari

    Not Supported in Safari

Defines how user agents map the Digital Publishing WAI-ARIA Module markup to platform accessibility APIs.

Roadmap Priority: Medium — Development is likely for a future release.

  • Microsoft Edge

    Under Consideration in Microsoft Edge
    on Desktop, Mixed Reality, Mobile and Xbox

  • Chrome

    Not Supported in Chrome

  • Firefox

    Shipped in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Opera

    Not Supported in Opera

  • Safari

    Shipped in Safari

Enable directory uploading by allowing a developer to read directory contents (files and sub-directories) asynchronously and be able to identify the directory structure.

Roadmap Priority: Medium — Development is likely for a future release.

  • Microsoft Edge

    Under Consideration in Microsoft Edge
    on Desktop, Mixed Reality, Mobile and Xbox

  • Chrome

    Not Supported in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Opera

    Not Supported in Opera

  • Safari

    Not Supported in Safari

Convenience methods for working with DOM Node trees

Roadmap Priority: High — We intend to begin development soon.

  • Microsoft Edge

    Under Consideration in Microsoft Edge
    on Desktop, Mixed Reality, Mobile and Xbox

  • Chrome

    In Development in Chrome

  • Firefox

    Shipped in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Opera

    In Development in Opera

  • Safari

    Shipped in Safari

Enables writing to files from web applications.

  • Microsoft Edge

    Under Consideration in Microsoft Edge
    on Desktop, Mixed Reality, Mobile and Xbox

  • Chrome

    Shipped in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Opera

    Shipped in Opera

  • Safari

    Not Supported in Safari

Provides an API for finding ranges of text in a document, with a variety of selection criteria. Similar to a user-agent's find-on-page or page-search capability.

Roadmap Priority: Low — We are still evaluating this technology. There may be significant spec stabilization, foundational work, or additional community input required before we can begin development.

  • Microsoft Edge

    Under Consideration in Microsoft Edge
    on Desktop, Mixed Reality, Mobile and Xbox

  • Chrome

    Not Supported in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Opera

    Not Supported in Opera

  • Safari

    Not Supported in Safari

Allows multiple instances of fonts to be defined by interpolating glyph outlines along different axis.

Roadmap Priority: High — We intend to begin development soon.

  • Microsoft Edge

    Under Consideration in Microsoft Edge
    on Desktop, Mixed Reality, Mobile and Xbox

  • Chrome

    Not Supported in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Opera

    Not Supported in Opera

  • Safari

    Not Supported in Safari

An interface for web applications to access runtime performance information of the browser event loop.

Roadmap Priority: Low — We are still evaluating this technology. There may be significant spec stabilization, foundational work, or additional community input required before we can begin development.

  • Microsoft Edge

    Under Consideration in Microsoft Edge
    on Desktop, Mixed Reality, Mobile and Xbox

  • Chrome

    Not Supported in Chrome

  • Firefox

    In development in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Opera

    Not Supported in Opera

  • Safari

    Not Supported in Safari

CSS properties helpful for printed publication.

  • Microsoft Edge

    Under Consideration in Microsoft Edge
    on Desktop, Mixed Reality, Mobile and Xbox

  • Chrome

    Not Supported in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Opera

    Not Supported in Opera

  • Safari

    Not Supported in Safari

This specification provides basic geometric interfaces to represent points, rectangles, quadrilaterals and transformation matrices that can be used by other modules or specifications.

  • Microsoft Edge

    Under Consideration in Microsoft Edge
    on Desktop, Mixed Reality, Mobile and Xbox

  • Chrome

    In Development in Chrome

  • Firefox

    Shipped in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Opera

    In Development in Opera

  • Safari

    Not Supported in Safari

An addendum to HTML5 forms extending the abilities of configuring HTTP requests through HTML markup.

  • Microsoft Edge

    Under Consideration in Microsoft Edge
    on Desktop, Mixed Reality, Mobile and Xbox

  • Chrome

    Not Supported in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Opera

    Not Supported in Opera

  • Safari

    Not Supported in Safari

Import HTML documents into other HTML documents (often used in Web Components).

Roadmap Priority: Low — We are still evaluating this technology. There may be significant spec stabilization, foundational work, or additional community input required before we can begin development.

  • Microsoft Edge

    Under Consideration in Microsoft Edge
    on Desktop, Mixed Reality, Mobile and Xbox

  • Chrome

    Shipped in Chrome

  • Firefox

    In development in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Opera

    Shipped in Opera

  • Safari

    Not Supported in Safari

Header for proactive content negotiation; just as the Accept header allowed clients to indicate what formats they prefer, Client Hints allow clients to indicate a list of device and agent specific preferences.

  • Microsoft Edge

    Under Consideration in Microsoft Edge
    on Desktop, Mixed Reality, Mobile and Xbox

  • Chrome

    Shipped in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Opera

    Shipped in Opera

  • Safari

    Not Supported in Safari

The seamless attribute is used to embed an <iframe> in the calling page without scrollbars or borders (e.g. seamlessly) and with the parent document's styles applying to the embedded seamless iframe.

Roadmap Priority: Low — We are still evaluating this technology. There may be significant spec stabilization, foundational work, or additional community input required before we can begin development.

  • Microsoft Edge

    Under Consideration in Microsoft Edge
    on Desktop, Mixed Reality, Mobile and Xbox

  • Chrome

    In Development in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Opera

    In Development in Opera

  • Safari

    In development in Safari

Gives the content of an iframe as a src context to embed (e.g. <iframe seamless srcdoc="<b>Hello World</b>"></iframe>).

Roadmap Priority: Low — We are still evaluating this technology. There may be significant spec stabilization, foundational work, or additional community input required before we can begin development.

  • Microsoft Edge

    Under Consideration in Microsoft Edge
    on Desktop, Mixed Reality, Mobile and Xbox

  • Chrome

    Shipped in Chrome

  • Firefox

    Shipped in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Opera

    Shipped in Opera

  • Safari

    Shipped in Safari

Provides a hint to the browser on which scaling algorithm should be used.

Roadmap Priority: Low — We are still evaluating this technology. There may be significant spec stabilization, foundational work, or additional community input required before we can begin development.

  • Microsoft Edge

    Under Consideration in Microsoft Edge
    on Desktop, Mixed Reality, Mobile and Xbox

  • Chrome

    Shipped in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Opera

    Shipped in Opera

  • Safari

    Not Supported in Safari

Extends the existing IndexedDB implementation with support for compound keys, indexed array values, and multiEntry.

  • Microsoft Edge

    Under Consideration in Microsoft Edge
    on Desktop, Mixed Reality, Mobile and Xbox

  • Chrome

    Shipped in Chrome

  • Firefox

    Shipped in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Opera

    Shipped in Opera

  • Safari

    Not Supported in Safari

Allows the author to set the size and depth at which it sinks into the surrounding text.

Roadmap Priority: Low — We are still evaluating this technology. There may be significant spec stabilization, foundational work, or additional community input required before we can begin development.

  • Microsoft Edge

    Under Consideration in Microsoft Edge
    on Desktop, Mixed Reality, Mobile and Xbox

  • Chrome

    Not Supported in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Opera

    Not Supported in Opera

  • Safari

    Shipped in Safari

The inputmode content attribute is an enumerated attribute that specifies what kind of input mechanism would be most helpful for users entering content into the form control.

Roadmap Priority: Low — We are still evaluating this technology. There may be significant spec stabilization, foundational work, or additional community input required before we can begin development.

  • Microsoft Edge

    Under Consideration in Microsoft Edge
    on Desktop, Mixed Reality, Mobile and Xbox

  • Chrome

    In development in Chrome

  • Firefox

    In development in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Opera

    In Development in Opera

  • Safari

    Not Supported in Safari

Adding support for international email addresses that use UTF-8 characters (e.g. 伊昭傑@郵件.商務, राम@मोहन.ईन्फो)

Roadmap Priority: Low — We are still evaluating this technology. There may be significant spec stabilization, foundational work, or additional community input required before we can begin development.

  • Microsoft Edge

    Under Consideration in Microsoft Edge
    on Desktop, Mixed Reality, Mobile and Xbox

  • Chrome

    Not Supported in Chrome

  • Firefox

    Shipped in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Opera

    Not Supported in Opera

  • Safari

    Not Supported in Safari

Provides semantic language processing for two-way communication with a remote host. This new interface creates a system-to-system forced sonic recognition on the receiving party.

Roadmap Priority: High — We intend to begin development soon.

  • Microsoft Edge

    Under Consideration in Microsoft Edge
    on Desktop, Mixed Reality, Mobile and Xbox

  • Chrome

    Not Supported in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Opera

    Not Supported in Opera

  • Safari

    Not Supported in Safari

Allows hiding of portions of a visible elements.

Roadmap Priority: Medium — Development is likely for a future release.

  • Microsoft Edge

    Under Consideration in Microsoft Edge
    on Desktop, Mixed Reality, Mobile and Xbox

  • Chrome

    Shipped in Chrome

  • Firefox

    In development in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Opera

    Shipped in Opera

  • Safari

    In development in Safari

Standardizes a URL fragment syntax for specifying a fragment of a media resource.

  • Microsoft Edge

    Under Consideration in Microsoft Edge
    on Desktop, Mixed Reality, Mobile and Xbox

  • Chrome

    Shipped in Chrome

  • Firefox

    Shipped in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Opera

    Shipped in Opera

  • Safari

    Shipped in Safari

Encode audio and video streams in the browser.

  • Microsoft Edge

    Under Consideration in Microsoft Edge
    on Desktop, Mixed Reality, Mobile and Xbox

  • Chrome

    Shipped in Chrome

  • Firefox

    In development in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Opera

    Shipped in Opera

  • Safari

    Not Supported in Safari

Enable websites to customize media metadata so they can control the notification and lock screen UI. Also, allow them to control media in the page from outside the page, such as platform UIs and media keys.

  • Microsoft Edge

    Under Consideration in Microsoft Edge
    on Desktop, Mixed Reality, Mobile and Xbox

  • Chrome

    Shipped in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Opera

    In Development in Opera

  • Safari

    In development in Safari

Provides a way to blend an HTML or SVG element with its backdrop

Roadmap Priority: Low — We are still evaluating this technology. There may be significant spec stabilization, foundational work, or additional community input required before we can begin development.

  • Microsoft Edge

    Under Consideration in Microsoft Edge
    on Desktop, Mixed Reality, Mobile and Xbox

  • Chrome

    Shipped in Chrome

  • Firefox

    Shipped in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Opera

    Shipped in Opera

  • Safari

    Shipped in Safari

This specification defines an interface to store and retrieve error data related to the previous navigations of a document.

Roadmap Priority: Low — We are still evaluating this technology. There may be significant spec stabilization, foundational work, or additional community input required before we can begin development.

  • Microsoft Edge

    Under Consideration in Microsoft Edge
    on Desktop, Mixed Reality, Mobile and Xbox

  • Chrome

    In development in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Opera

    In Development in Opera

  • Safari

    Not Supported in Safari

ECMAScript proposal for Object.getOwnPropertyDescriptors.

  • Microsoft Edge

    Under Consideration in Microsoft Edge
    on Desktop, Mixed Reality, Mobile and Xbox

  • Chrome

    Not Supported in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Opera

    Not Supported in Opera

  • Safari

    Not Supported in Safari

An open multimedia container.

Roadmap Priority: Low — We are still evaluating this technology. There may be significant spec stabilization, foundational work, or additional community input required before we can begin development.

  • Microsoft Edge

    Under Consideration in Microsoft Edge
    on Desktop, Mixed Reality, Mobile and Xbox

  • Chrome

    Shipped in Chrome

  • Firefox

    Shipped in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Opera

    Shipped in Opera

  • Safari

    Not Supported in Safari

A boolean attribute that reverses the order of an ordered list when present.

Roadmap Priority: Medium — Development is likely for a future release.

  • Microsoft Edge

    Under Consideration in Microsoft Edge
    on Desktop, Mixed Reality, Mobile and Xbox

  • Chrome

    Shipped in Chrome

  • Firefox

    Shipped in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Opera

    Shipped in Opera

  • Safari

    Shipped in Safari

Unhandled exceptions trigger the 'window.onerror' callback (or 'self.onerror' inside Workers) for centralized handling. The 5th parameter will have the exception itself.

Roadmap Priority: Low — We are still evaluating this technology. There may be significant spec stabilization, foundational work, or additional community input required before we can begin development.

  • Microsoft Edge

    Under Consideration in Microsoft Edge
    on Desktop, Mixed Reality, Mobile and Xbox

  • Chrome

    Shipped in Chrome

  • Firefox

    Shipped in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Opera

    Shipped in Opera

  • Safari

    Shipped in Safari

An interface to observe the performance timeline (https://w3c.github.io/performance-timeline) and receive notifications of new performance entries as they are recorded.

Roadmap Priority: Medium — Development is likely for a future release.

  • Microsoft Edge

    Under Consideration in Microsoft Edge
    on Desktop, Mixed Reality, Mobile and Xbox

  • Chrome

    Shipped in Chrome

  • Firefox

    Shipped in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Opera

    Shipped in Opera

  • Safari

    Not Supported in Safari

A link relation type used to indicate an origin that will be used to fetch required resources, so the browser can open a connection early for resouces that will be required later in the loading process.

Roadmap Priority: Medium — Development is likely for a future release.

  • Microsoft Edge

    Under Consideration in Microsoft Edge
    on Desktop, Mixed Reality, Mobile and Xbox

  • Chrome

    Shipped in Chrome

  • Firefox

    In development in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Opera

    Shipped in Opera

  • Safari

    Not Supported in Safari

A keyword that may be used with "link" elements which provides a declarative fetch primitive that initiates an early fetch and separates fetching from resoruce execution.

Roadmap Priority: Medium — Development is likely for a future release.

  • Microsoft Edge

    Under Consideration in Microsoft Edge
    on Desktop, Mixed Reality, Mobile and Xbox

  • Chrome

    Shipped in Chrome

  • Firefox

    In development in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Opera

    Shipped in Opera

  • Safari

    In development in Safari

Certificate public key pinning is a mechanism which allows specifying a key that must be present in the certificate chain associated with a domain name. HTTP Public Key Pinning (HPKP) is one way of doing certificate public key pinning. In this method, site owner defines pin rules for his domain name via HTTP header. This mechanism assumes that user has had a first clean connection to the site.

  • Microsoft Edge

    Under Consideration in Microsoft Edge
    on Desktop, Mixed Reality, Mobile and Xbox

  • Chrome

    Shipped in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Opera

    Shipped in Opera

  • Safari

    Not Supported in Safari

Allows developers to cooperatively schedule background tasks to avoid introducing delays with high priority tasks in the same event loop.

Roadmap Priority: Medium — Development is likely for a future release.

  • Microsoft Edge

    Under Consideration in Microsoft Edge
    on Desktop, Mixed Reality, Mobile and Xbox

  • Chrome

    Shipped in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Opera

    In Development in Opera

  • Safari

    Not Supported in Safari

Allows a web developer to attach an observer to an element and a callback will be fired when that element is resized

Roadmap Priority: Low — We are still evaluating this technology. There may be significant spec stabilization, foundational work, or additional community input required before we can begin development.

  • Microsoft Edge

    Under Consideration in Microsoft Edge
    on Desktop, Mixed Reality, Mobile and Xbox

  • Chrome

    In Development in Chrome

  • Firefox

    In development in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Opera

    In Development in Opera

  • Safari

    Not Supported in Safari

Data channels allow a web application to send and receive generic application data peer-to-peer.

Roadmap Priority: Low — We are still evaluating this technology. There may be significant spec stabilization, foundational work, or additional community input required before we can begin development.

  • Microsoft Edge

    Under Consideration in Microsoft Edge
    on Desktop, Mixed Reality, Mobile and Xbox

  • Chrome

    Shipped in Chrome

  • Firefox

    Shipped in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Opera

    Not Supported in Opera

  • Safari

    Not Supported in Safari

Screen Capture API allows a user's display or parts thereof be used as the source of a media stream.

Roadmap Priority: Medium — Development is likely for a future release.

  • Microsoft Edge

    Under Consideration in Microsoft Edge
    on Desktop, Mixed Reality, Mobile and Xbox

  • Chrome

    Not Supported in Chrome

  • Firefox

    In Development in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Opera

    Not Supported in Opera

  • Safari

    Not Supported in Safari

Enables push notifications from the server received as DOM events.

  • Microsoft Edge

    Under Consideration in Microsoft Edge
    on Desktop, Mixed Reality, Mobile and Xbox

  • Chrome

    Shipped in Chrome

  • Firefox

    Shipped in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Opera

    Shipped in Opera

  • Safari

    Shipped in Safari

Enables the server to communicate request-response cycle metrics to the user agent, and provides a JavaScript interface to enable applications to access and act on those metrics.

Roadmap Priority: Low — We are still evaluating this technology. There may be significant spec stabilization, foundational work, or additional community input required before we can begin development.

  • Microsoft Edge

    Under Consideration in Microsoft Edge
    on Desktop, Mixed Reality, Mobile and Xbox

  • Chrome

    Not Supported in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Opera

    Not Supported in Opera

  • Safari

    Not Supported in Safari

Enables DOM tree encapsulation. Without it, widgets may inadvertently break pages by using conflicting CSS selectors, class or id names, or JavaScript variables (often used in Web Components).

Roadmap Priority: High — We intend to begin development soon.

  • Microsoft Edge

    Under Consideration in Microsoft Edge
    on Desktop, Mixed Reality, Mobile and Xbox

  • Chrome

    Shipped in Chrome

  • Firefox

    In development in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Opera

    In Development in Opera

  • Safari

    In development in Safari

Define arbitrary shapes inside and around which inline content can flow.

Roadmap Priority: Medium — Development is likely for a future release.

  • Microsoft Edge

    Under Consideration in Microsoft Edge
    on Desktop, Mixed Reality, Mobile and Xbox

  • Chrome

    Shipped in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Opera

    Shipped in Opera

  • Safari

    In development in Safari

Subresource Integrity defines a mechanism by which user agents may verify that a fetched resource has been delivered without unexpected manipulation. In a nutshell, metadata inlined into HTML elements allows the browser to determine whether the resource that was downloaded matches the resource the page's author expected to download.

  • Microsoft Edge

    Under Consideration in Microsoft Edge
    on Desktop, Mixed Reality, Mobile and Xbox

  • Chrome

    Shipped in Chrome

  • Firefox

    Shipped in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Opera

    In Development in Opera

  • Safari

    Not Supported in Safari

Enable support for CSS transforms on elements and presentational attributes of SVG

Roadmap Priority: Medium — Development is likely for a future release.

  • Microsoft Edge

    Under Consideration in Microsoft Edge
    on Desktop, Mixed Reality, Mobile and Xbox

  • Chrome

    Shipped in Chrome

  • Firefox

    Shipped in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Opera

    Shipped in Opera

  • Safari

    Shipped in Safari

Implement the new SVG2 features.

Roadmap Priority: Low — We are still evaluating this technology. There may be significant spec stabilization, foundational work, or additional community input required before we can begin development.

  • Microsoft Edge

    Under Consideration in Microsoft Edge
    on Desktop, Mixed Reality, Mobile and Xbox

  • Chrome

    In development in Chrome

  • Firefox

    In development in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Opera

    In Development in Opera

  • Safari

    In development in Safari

Defines how user agents map SVG markup to platform accessibility application programming interfaces.

Roadmap Priority: Medium — Development is likely for a future release.

  • Microsoft Edge

    Under Consideration in Microsoft Edge
    on Desktop, Mixed Reality, Mobile and Xbox

  • Chrome

    Not Supported in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Opera

    Not Supported in Opera

  • Safari

    Not Supported in Safari

Enables boundlessly recursive algorithms (using constant stack space) for certain code patterns.

Roadmap Priority: Low — We are still evaluating this technology. There may be significant spec stabilization, foundational work, or additional community input required before we can begin development.

  • Microsoft Edge

    Under Consideration in Microsoft Edge
    on Desktop, Mixed Reality, Mobile and Xbox

  • Chrome

    Not Supported in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Opera

    Not Supported in Opera

  • Safari

    Shipped in Safari

Adds additional direction-specific values for the CSS touch-action property for pan-up, pan-down, pan-left, pan-right have been added to the specification.

Roadmap Priority: Medium — Development is likely for a future release.

  • Microsoft Edge

    Under Consideration in Microsoft Edge
    on Desktop, Mixed Reality, Mobile and Xbox

  • Chrome

    Shipped in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Opera

    Shipped in Opera

  • Safari

    Not Supported in Safari

Identify the physical key being pressed; Query key from layout.

  • Microsoft Edge

    Under Consideration in Microsoft Edge
    on Desktop, Mixed Reality, Mobile and Xbox

  • Chrome

    Not Supported in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Opera

    Not Supported in Opera

  • Safari

    Not Supported in Safari

A mechanism which allows authors to instruct a user agent to upgrade a priori insecure resource requests to secure transport before Fetching them.

  • Microsoft Edge

    Under Consideration in Microsoft Edge
    on Desktop, Mixed Reality, Mobile and Xbox

  • Chrome

    Shipped in Chrome

  • Firefox

    Shipped in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Opera

    Shipped in Opera

  • Safari

    Shipped in Safari

This specification defines an API that provides access to the vibration mechanism of the hosting device. Vibration is a form of tactile feedback.

  • Microsoft Edge

    Under Consideration in Microsoft Edge
    on Desktop, Mixed Reality, Mobile and Xbox

  • Chrome

    Shipped in Chrome

  • Firefox

    Shipped in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Opera

    Shipped in Opera

  • Safari

    Not Supported in Safari

An open codec for audio.

Roadmap Priority: Low — We are still evaluating this technology. There may be significant spec stabilization, foundational work, or additional community input required before we can begin development.

  • Microsoft Edge

    Under Consideration in Microsoft Edge
    on Desktop, Mixed Reality, Mobile and Xbox

  • Chrome

    Shipped in Chrome

  • Firefox

    Shipped in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Opera

    Shipped in Opera

  • Safari

    Not Supported in Safari

A unified model for supporting animation and synchronization on the Web platform.

Roadmap Priority: Medium — Development is likely for a future release.

  • Microsoft Edge

    Under Consideration in Microsoft Edge
    on Desktop, Mixed Reality, Mobile and Xbox

  • Chrome

    Shipped in Chrome

  • Firefox

    Shipped in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Opera

    Shipped in Opera

  • Safari

    In development in Safari

An API for communicating with Bluetooth Low Energy devices as a GATT Client.

Roadmap Priority: Low — We are still evaluating this technology. There may be significant spec stabilization, foundational work, or additional community input required before we can begin development.

  • Microsoft Edge

    Under Consideration in Microsoft Edge
    on Desktop, Mixed Reality, Mobile and Xbox

  • Chrome

    Shipped in Chrome

  • Firefox

    Not Supported in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Opera

    Shipped in Opera

  • Safari

    Not Supported in Safari

An update to WebGL, based on OpenGL ES 3.0

Roadmap Priority: Medium — Development is likely for a future release.

  • Microsoft Edge

    Under Consideration in Microsoft Edge
    on Desktop, Mixed Reality, Mobile and Xbox

  • Chrome

    Shipped in Chrome

  • Firefox

    In development in Firefox

  • Internet Explorer

    Not Supported in Internet Explorer 11

  • Opera

    Shipped in Opera

  • Safari

    In development in Safari