Discover web platform features and stay up-to-date with changes

Find information about APIs and features of the web platform. The data displayed here comes from the web-features repository; an open-source project that's maintained by the W3C WebDX Community Group, and which aims at providing a common list of features and their definitions to improve understanding of what web developers get and want from the web.

Latest updates

Now newly available

requestVideoFrameCallback(): The requestVideoFrameCallback() method for <video> schedules a function that runs with the next video frame. It is similar to requestAnimationFrame(), but for video. Learn more.
Color management for WebGL: The drawingBufferColorSpace and unpackColorSpace properties of WebGLRenderingContext sets the color representation for the buffer and imported textures, such as "srgb" or "display-p3". Learn more.
Color management for WebGL2: The drawingBufferColorSpace and unpackColorSpace properties of WebGL2RenderingContext sets the color representation for the buffer and imported textures, such as "srgb" or "display-p3". Learn more.
text-wrap-mode: The text-wrap-mode CSS property sets whether lines may wrap with the values wrap and nowrap. It is a longhand property for both white-space and text-wrap. Learn more.
text-wrap: stable: The text-wrap: stable CSS declaration wraps text using the default algorithm, but does not change wrapping on earlier lines while the text is being edited. Learn more.

Now widely available

appearance: The appearance CSS property controls the appearance of form controls. Using appearance: none disables any default native appearance and allows the elements to be styled with CSS. Learn more.
Array at(): The at() method of arrays and typed arrays returns the item at an index, including negative indices for getting items relative to the end of an array. Also known as the relative indexing method. Learn more.
::backdrop: The ::backdrop CSS pseudo-element is a box underneath an element in the top layer, such as a <dialog>. It can be used to create obscuring effects distinguishing a modal element from the elements underneath. Learn more.
background-attachment: The background-attachment CSS property sets whether an element's background image or gradient moves as the element scrolls. Learn more.
BroadcastChannel: The BroadcastChannel API allows you to send messages between same-origin browsing contexts, such as between the same page loaded in multiple tabs. Learn more.