The Devices and Sensors Working Group invites implementations of Geolocation API. The Geolocation API provides access to geographical location information associated with the hosting device.

Comments are welcome as GitHub issues by 18 March 2022.

The CSS Working Group invites implementations of CSS Conditional Rules Module Level 4. This module contains the features of CSS for conditional processing of parts of style sheets, based on capabilities of the processor or the environment the style sheet is being applied in. It includes and extends the functionality of CSS Conditional 3 [css-conditional-3], adding the ability to query support for particular selectors [SELECTORS-4] through the new selector() notation for supports queries.

Comments are welcome as GitHub issues by 17 April 2022.

The Second Screen Working Group Patent Advisory Group (PAG), launched in August 2021 in response to disclosures related to a specification of the Second Screen Working Group, has issued an Update to the Call for Prior Art to seek prior art that is available in the public domain or on terms consistent with W3C’s Royalty-Free Licensing Requirements. The update contains questions about prior art related to digital audio, digital imaging, and multimedia networking technology from the mid-2000s.

Feedback should be directed to group-secondscreen-prior-art@w3.org by 31 March 2022. For more information about the Second Screen Working Group PAG, see its home page and charter.