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W3C Advisory Committee Elects Technical Architecture Group

7 January 2021 | Archive

W3C TAG logoThe W3C Advisory Committee has elected the following people to the W3C Technical Architecture Group (TAG): Amy Guy (Digital Bazaar), Sangwhan Moon (W3C Invited Expert), Theresa O’Connor (Apple, Inc.) and Lea Verou (W3C Invited Expert). They join co-Chair Tim Berners-Lee and continuing participants, Daniel Appelquist (Samsung Electronics; co-Chair), Rossen Atanassov (Microsoft Corporation), Hadley Beeman (W3C Invited Expert), Kenneth Rohde Christiansen (Intel Corporation) and Peter Linss (W3C Invited Expert; co-Chair). Yves Lafon continues as staff contact. Many thanks for contributions to the TAG to the departing participants, David Baron (W3C Invited Expert) and Alice Boxhall (Google), whose terms end at the end of this month.

The TAG is a special group within the W3C, chartered under the W3C Process Document, with stewardship of the Web architecture. The mission of the TAG is to build consensus around principles of Web architecture and to interpret and clarify these principles when necessary, to resolve issues involving general Web architecture brought to the TAG, and to help coordinate cross-technology architecture developments inside and outside W3C. The elected Members of the TAG participate as individual contributors, not as representatives of their organizations. TAG participants use their best judgment to find the best solutions for the Web, not just for any particular network, technology, vendor, or user. Learn more about the TAG.

Updated Candidate Recommendation: Web Audio API

14 January 2021 | Archive

The Audio Working Group invites implementation of an updated Candidate Recommendation of Web Audio API. This specification describes a high-level Web API for processing and synthesizing audio in web applications. The primary paradigm is of an audio routing graph, where a number of AudioNode objects are connected together to define the overall audio rendering. The actual processing will primarily take place in the underlying implementation (typically optimized Assembly / C / C++ code), but direct script processing and synthesis is also supported.

Comments are welcome by 15 February 2021.

First Public Working Drafts: EPUB 3.3

12 January 2021 | Archive

The EPUB 3 Working Group has published four First Public Working Drafts today for EPUB 3.3. This technology 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.

The specification represents the third major revision and, in particular, a revision of the EPUB 3.2 document published by the EPUB 3 Community Group. This new version of the specification is now on a W3C Recommendation Track.

The four documents published by the Working Group are:

  • The EPUB 3.3 specification defines the authoring requirements for EPUB Publications and represents the third major revision of the standard.
  • The EPUB 3.3 Reading Systems specification defines the conformance requirements for EPUB 3 Reading Systems — the user agents that render EPUB Publications.
  • The EPUB Multiple-Rendition Publications 1.1 specification defines the creation and rendering of EPUB Publications consisting of more than one Rendition. This document is not on recommendation track.
  • The EPUB 3 Overview gives a high level overview of the EPUB 3.3 specification aimed primarily at non-technical readers. This document is not on recommendation track.

The Working Group welcomes comments via the GitHub repository issues.

Upcoming: W3C Workshop on Wide Color Gamut and High Dynamic Range for the Web

23 December 2020 | Archive

chromaticity diagram of wide color gamut W3C announced today the W3C Workshop on Wide Color Gamut (WCG) and High Dynamic Range (HDR) for the Web, which is being organized as a virtual event in April-May 2021.

The primary goal of the workshop is to bring together browser vendors, content creators, color scientists, and experts in other relevant areas (e.g. accessibility, scripting, security, web) to converge on technologies for enabling WCG and HDR on the Open Web Platform.

The event will be organized as a combination of pre-recorded talks (expressions of interest are due 30 January, with recorded talks to be submitted by 15 March 2021) followed by online issue raising on GitHub, and culminating in a series of live sessions in April and May, organized around three main themes:

  • Wide Color Gamut on the Web
  • High Dynamic Range on the Web
  • WCG and HDR Standardization Landscape

The event is free and open to anyone with relevant perspectives on the topic to register for the event. For more information on the workshop, please see the workshop details and submission instructions.

Deadline to submit a proposal for a talk is 30 January 2021, and registration will be open from mid January until April.

W3C Invites Implementations of CSS Text Module Level 3 and CSS Box Model Module Level 3

22 December 2020 | Archive

The CSS Working Group invites implementations of two Candidate Recommendations:

  • CSS Text Module Level 3 defines properties for text manipulation and specifies their processing model. It covers line breaking, justification and alignment, white space handling, and text transformation.
  • CSS Box Model Module Level 3 describes the margin and padding properties, which create spacing in and around a CSS box.

Comments are welcome by 22 February 2021.

W3C Invites Implementations of Web Authentication: An API for accessing Public Key Credentials Level 2

22 December 2020 | Archive

WebAuthn LogoThe Web Authentication Working Group invites implementations of a Candidate Recommendation of Web Authentication: An API for accessing Public Key Credentials Level 2. This specification defines an API enabling the creation and use of strong, attested, scoped, public key-based credentials by web applications, for the purpose of strongly authenticating users. Conceptually, one or more public key credentials, each scoped to a given WebAuthn Relying Party, are created by and bound to authenticators as requested by the web application. The user agent mediates access to authenticators and their public key credentials in order to preserve user privacy. Authenticators are responsible for ensuring that no operation is performed without user consent. Authenticators provide cryptographic proof of their properties to Relying Parties via attestation. This specification also describes the functional model for WebAuthn conformant authenticators, including their signature and attestation functionality.

Comments are welcome by 19 January 2021.

Working Group Note: CSS Snapshot 2020

22 December 2020 | Archive

The CSS Working Group has published a First Public Working Group Note of CSS Snapshot 2020. This document collects together into one definition all the specs that together form the current state of Cascading Style Sheets (CSS) as of 2020. The primary audience is CSS implementers, not CSS authors, as this definition includes modules by specification stability, not Web browser adoption rate.

CSS is a language for describing the rendering of structured documents (such as HTML and XML) on screen, on paper, etc.

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