W3C News

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1. CSS Snapshot 2026 published as a Group Note

   CSS snapshots are all the specs that together form the current state of Cascading Style Sheets (CSS).

2. First Public Working Draft and supporting notes: EPUB Annotations 1.0

   The Publishing Maintenance Working Group published three documents around EPUB Annotations, which is a specification that will define how to create, manage, export, and import annotations in EPUB publications.

3. First Public Working Draft: Selectors Level 5

   Selectors are patterns that match against elements in a tree, and as such form one of several technologies that can be used to select nodes in a document. Selectors have been optimized for use with HTML and XML, and are designed to be usable in performance-critical code. They are a core component of CSS, which uses Selectors to bind style properties to elements in the document. Selectors Level 5 describes the selectors and further introduces new selectors for CSS and other languages.

4. Second W3C Team appointment to the TAG

   Heather Flanagan of W3C Member Spherical Cow Consulting is appointed as new TAG member by the W3C Team

5. Group Note Draft: Considerations for Reviewing Differential Privacy Systems (for Non-Differential Privacy Experts)

   The purpose of this document is to provide a high level understanding of the trade-offs that are required when designing and deploying differentially private systems (e.g., privacy, utility, number of trusted parties).