Blog - 2025
The W3C blog is for in-depth Web standards topics and educational materials. More information in About W3C Blog.
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EPUB3.3 Recommendations published, work begins on new features
Published:
By: Susan Neuhaus
The Publishing Maintenance Working Group (PMWG) has finalized the EPUB 3.3 specification, clarifying language and aligning it with related specifications. The group is now working on the next major revision, EPUB 3.4. This revision will include new features such as dark mode support and standardized footnote/endnote practices. Additionally, new task forces are exploring digital comics support and EPUB annotations.
Join the W3C Exploration Interest Group: where standards start
Published:
By: Heather Flanagan, co-chair of the Exploration Interest Group and Jet Ding, co-chair of the Exploration Interest Group
The goal of the Exploration Interest Group is to provide a platform to help W3C investigating emerging technology trends, analyzing their impacts on the evolution of Web technologies, and proposing ways for W3C to collaborate shaping the trends for the benefit of the Web users.
First catalog of web features completed by the WebDX Community Group
Published:
By: Patrick Brosset, co-chair of the WebDX Community Group and François Daoust, co-chair of the WebDX Community Group
The WebDX Community Group has completed a first nearly complete catalog of web features targeted at web developers, along with support data across main browsers. The catalog already powers MDN, Can I Use, and is now being integrated in tools and libraries. Feedback welcome!
How to protect your Web applications from XSS
The W3C SWAG (Security Web Application Guidelines) Community Group, launched in June 2024, aims to simplify security features in web app development. SWAG's mission is to enhance web app security by creating best practices for developers and fostering collaboration. A key output includes videos on configuring CSP and Trusted Types, which mitigate XSS. Based on Google’s adoption experience, these resources offer tools to help developers securely configure these protections with minimal effort.
International standards and World Economic Forum (WEF)
In this blog post, W3C CEO Seth Dobbs shares impressions from representing W3C for the first time at the World Economic Forum, and illustrates how our distinctive human-centric focus in the world of Standards Development Organizations positions W3C to be helping to shape the future of the web.
- ceo
- Davos
Collaborating across W3C and Ecma for web-interoperable server runtimes through WinterTC
Published:
By: Luca Casonato (Deno, WinterCG co-chair, Ecma TC55 co-chair), Mike Smith (W3C staff, liaison to Ecma) and Daniel Ehrenberg (Bloomberg, Ecma President)
The W3C Web Interoperable Runtimes Community Group ("WinterCG") and Ecma International (the organization which standardizes ECMAScript, also known as JavaScript) have collaborated to create a new Ecma Technical Committee,TC55 – Web-interoperable server runtimes, dubbed "WinterTC", for the development of a common web-aligned API surface for server-side JavaScript runtimes like Node.js, Deno and Cloudflare Workers.
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