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  • First Public Working Draft: CSS Positioned Layout Module Level 4

    The CSS Working Group has published a First Public Working Draft of CSS Positioned Layout Module Level 4. This module defines coordinate-based positioning and offsetting schemes of CSS: relative positioning, sticky positioning, absolute positioning, and fixed positioning. It also defines the painting/rendering model of CSS.

  • First Public Working Draft: Digital Credentials

    The Federated Identity Working Group has published a First Public Working Draft of Digital Credentials. This API enables websites to request credentials, and for users to consent to return credentials that they carry around in digital wallets. The user agent (typically a browser) plays a critical role in empowering people to exchange verifiable information seamlessly on the web. The user experience of understanding what is being requested by a site, selecting from among relevant credentials, consenting to share the credentials, and getting new credentials from issuers (e.g., universities, the department of motor vehicles, a bank) must be excellent, and the browser is uniquely positioned to support that experience. Following extensive incubation, early implementations of the Digital Credentials API are now available from Google and Apple. People can view demos and conduct experiments, and the experimentation will inform the evolution of this specification. For more information, see the blog post: W3C Digital Credentials API publication: the next step to privacy-preserving identities on the web.

  • Portable Network Graphics (PNG) Specification (Third Edition) is now a W3C Recommendation

    The PNG Working Group published Portable Network Graphics (PNG) Specification (Third Edition) as a W3C Recommendation. This document describes PNG (Portable Network Graphics), an extensible file format for the lossless, portable, well-compressed storage of static and animated raster images. PNG provides a patent-free replacement for GIF and can also replace many common uses of TIFF. Indexed-color, greyscale, and truecolor images are supported, plus an optional alpha channel. Sample depths range from 1 to 16 bits.The Third Edition adds Animated PNG and High Dynamic Range (HDR) PNG.

  • Draft Group Note: Linked Web Storage Use Cases

    The Linked Web Storage Working Group has published a first draft Group Note of Linked Web Storage Use Cases. This document lists user stories and use-cases for the Linked Web Storage (LWS) specifications, as well as requirements identified as necessary to satisfy these use cases.

  • W3C invites implementations of MathML Core

    The Math Working Group has published MathML Core as a W3C Candidate Recommendation. This specification defines a core subset of Mathematical Markup Language, or MathML, that is suitable for browser implementation. MathML is a markup language for describing mathematical notation and capturing both its structure and content. The goal of MathML is to enable mathematics to be served, received, and processed on the World Wide Web, just as HTML has enabled this functionality for text.Comments are welcome via GitHub issues by 30 September 2025.

  • DPUB-ARIA and DPUB-AAM are now W3C Recommendations

    The Accessible Rich Internet Applications (ARIA) Working Group has published Digital Publishing WAI-ARIA Module 1.1 (DPUB-ARIA) and Digital Publishing Accessibility API Mappings 1.1 (DPUB-AAM) as W3C Recommendations.DPUB-ARIA defines a set of ARIA roles to help assistive technology users navigate structural divisions of long-form digital documents, such as eBooks.DPUB-AAM defines how user agents (such as eBook readers) map the DPUB-ARIA markup to platform accessibility APIs.

  • New session of the W3Cx course on CSS Basics

    W3C opens today a new session of its CSS Basics course on W3Cx, where you can learn how to take your web pages from bland to bold with the power of CSS styling. This course is part of W3C's "Front-End Web Developer" Professional Certificate.In this self-paced course, we guide you step-by-step in using the latest Web standards to structure your content and presentation like a professional. You will explore numerous CSS features to help you control the look and feel of your site such as colors, fonts and layout. By the end of the course, you should understand all the fundamental elements of CSS and how to use them effectively.You can audit this course for free for 5 weeks after enrolling, or opt for the premium version with unlimited access, graded assessments, and a W3Cx certificate.

  • W3C Advisory Committee Elects Advisory Board

    The W3C Advisory Committee has elected the following people to fill seven seats on the W3C Advisory Board (AB), starting 1 July 2025: Daniel Appelquist, Theresa O'Connor, Hiroshi Ota, Avneesh Singh, Hidde de Vries, Song Xu, and Brent Zundel. They join continuing AB participants Wei Ding, Max Gendler, Tatsuya Igarashi, and Elena Lape.Many thanks to the 10 candidates, and thanks for contributions to the AB to Florian Rivoal who stepped down from the AB in January 2025, and to the departing participants, Tantek Çelik, Elika J Etemad, Wendy Reid, and Chris Wilson, whose terms end at the end of June 2025.Created in March 1998, the Advisory Board provides ongoing guidance to the W3C Team on issues of strategy, management, legal matters, process, and conflict resolution. The Advisory Board also serves the W3C Members by tracking issues raised between Advisory Committee meetings, soliciting Member comments on such issues, and proposing actions to resolve these issues. The Advisory Board manages the evolution of the Process Document. As part of a W3C Council, members of the Advisory Board hear and adjudicate on Submission Appeals and Formal Objections. For several years, the AB has conducted its work in a public wiki.The elected Members of the Advisory Board participate as individual contributors and not representatives of their organizations. Advisory Board participants use their best judgment to find the best solutions for the Web, not just for any particular network, technology, vendor, or user.

  • Privacy Principles is a W3C Statement

    The W3C Technical Architecture Group (TAG) has published the Privacy Principles as a W3C Statement. Privacy is an essential part of the web. This document provides definitions for privacy and related concepts that are applicable worldwide as well as a set of privacy principles that should guide the development of the web as a trustworthy platform. People using the web would benefit from a stronger relationship between technology and policy, and this document is written to work with both.W3C Statements provide a stable reference for documents not intended to be formal standards, but have been formally reviewed and are endorsed by W3C.

  • First Public Working Draft: CSS Functions and Mixins Module

    The CSS Working Group has published a First Public Working Draft of CSS Functions and Mixins Module. This module defines the ability for authors to define custom functions, acting similar to parametrized custom properties. They can use the full power of CSS’s values and conditional rules. It also defines an early form of a similar idea for CSS rule mixins, allowing parametrized substitution of entire blocks of properties into other rules.

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