The Devices and Sensors Working Group has published Compute Pressure Level 1 as W3C Candidate Recommendation. The Compute Pressure API provides a way for websites to react to changes in the CPU pressure of the target device, such that websites can trade off resources for an improved user experience. Comments are welcome via the GitHub issue by 22 May 2025.
The Web Application Security Working Group has published the following two First Public Working Drafts:Web Cryptography Level 2: This specification describes a JavaScript API for performing basic cryptographic operations in web applications, such as hashing, signature generation and verification, and encryption and decryption. Additionally, it describes an API for applications to generate and/or manage the keying material necessary to perform these operations. Uses for this API range from user or service authentication, document or code signing, and the confidentiality and integrity of communications.Subresource Integrity: This specification defines a mechanism by which user agents may verify that a fetched resource has been delivered without unexpected manipulation.
The Private Advertising Technology Working Group has published a First Public Working Draft of Privacy-Preserving Attribution: Level 1. This specifies a browser API for the measurement of advertising performance. The goal is to produce aggregate statistics about how advertising leads to conversions, without creating a risk to the privacy of individual web users. This API collates information about people from multiple web origins, which could be a significant risk to their privacy. To manage this risk, the information that is gathered is aggregated using an aggregation service that is trusted by the user-agent to perform aggregation within strict limits. Noise is added to the aggregates produced by this service to provide differential privacy. Websites may select an aggregation service from the list of approved aggregation services provided by the user-agent.
Today the Web Applications Working Group published the following two documents as W3C Recommendations:UI Events KeyboardEvent key Values: This specification defines the key attribute values that must be used for KeyboardEvent’s key attribute, which is defined as part of the UI Events Specification.UI Events KeyboardEvent code Values: This specification defines the values for the KeyboardEvent.code attribute, which is defined as part of the UI Events Specification. The code value contains information about the key event that can be used to identify the physical key being pressed by the user.
The CSS Working Group has published a First Public Working Draft of CSS Gap Decorations Module Level 1. This module introduces several properties to add row and column gap decorations to container layout types such as grid and flex.
The World Wide Web Consortium (W3C) has published the Authorized Simplified Chinese Translation of the Ethical Web Principles, Web伦理原则. This translation was developed by the W3C Team and underwent comprehensive review by the Chinese web community, following the Policy for Authorized W3C Translations. The policy is designed to achieve quality translations through a process that relies on transparency and community accountability, with W3C providing oversight of the process. Translations enable broader adoption of W3C resources and serve worldwide audience across languages and cultures. Explore more W3C translations and learn how to contribute to translation efforts.
The W3C Advisory Board, in cooperation with the Vision Task Force, has updated the Group Note of Vision for W3C and now proposes advancing it to a W3C Statement.The Vision for W3C articulates the values that underpin W3C’s mission, what W3C is, what it does and why that matters, and the principles by which it operates and makes decisions.What is the web?The World Wide Web was originally conceived as a tool for sharing information. It has evolved rapidly into a fundamental part of humanity, sparking major social change by providing and expanding access to knowledge, education, commerce and shopping, communication, social experiences, civic functions, entertainment, and more.What is W3C?The World Wide Web Consortium (W3C) was founded as an organization to provide a consistent architecture across the rapid pace of progress in the Web, and to build a common community to support its development.W3C’s Vision for the Web:The Web is for all humanity.The Web is designed for the good of all people.The Web must be safe to use.There is one interoperable world-wide Web.Vision for W3C: The fundamental function of W3C is to provide an open forum where diverse voices from around the world and from different organizations and industries work together to evolve the web by building consensus on voluntary global standards for Web technologies. W3C Members will review the Vision for W3C. The intent is for this document to eventually become a W3C Statement. It will continue to evolve.
The RDF-star Working Group has published a first Draft Note of RDF 1.2 Primer. This primer is designed to provide the reader with the basic knowledge required to effectively use RDF. It introduces the basic concepts of RDF and shows concrete examples of the use of RDF. Secs. 3-5 can be used as a minimalist introduction into the key elements of RDF. Changes between RDF 1.1 and RDF 1.2 are summarized in a separate document: What’s New in RDF 1.2.
The World Wide Web Consortium (W3C) published the Authorized Brazilian Portuguese Translation of Web Content Accessibility Guidelines (WCAG) 2.2, Diretrizes de Acessibilidade para Conteúdo Web (WCAG) 2.2. The Lead Translation Organization for this Authorized Translation was Ceweb.br.Other translations of accessibility resources — including non-technical and educational resources — are listed in All WAI Translations.W3C Web Accessibility Initiative (WAI) particularly encourages the development of Authorized Translations of WCAG 2.2 and other technical specifications to facilitate their adoption and implementation internationally. For information on developing an Authorized Translation, please see Policy for Authorized W3C Translations.
The Publishing Maintenance Working Group has published an updated EPUB 3.3 Recommendation. EPUB® 3 defines a distribution and interchange format for digital publications and documents. The EPUB format provides a means of representing, packaging, and encoding structured and semantically enhanced web content — including HTML, CSS, SVG, and other resources — for distribution in a single-file container. This specification defines the authoring requirements for EPUB 3 publications and represents the third major revision of the standard. The update includes a number of minor changes, primarily to clarify some details on the conformance requirements of EPUB 3 documents.The Working Group has also published three First Public Working Drafts: EPUB 3.4, EPUB Reading Systems 3.4, and EPUB Accessibility 1.1.1. These drafts will eventually evolve into the next major version of the EPUB 3 standard (EPUB 3.4). For more information, please refer to the Publishing Maintenance Working Group Charter.
Von Franziska Brantner und Sven Giegold
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