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First Public Working Draft: CSS Anchor Positioning Module Level 2
Published:
This specification defines anchor positioning, where an positioned element can size and position itself relative to one or more anchor elements elsewhere on the page.
Web Content Accessibility Guidelines (WCAG) 2.2 Approved as ISO/IEC International Standard
Published:
Web Content Accessibility Guidelines (WCAG) 2.2 is now an approved International Organization for Standardization (ISO) standard: ISO/IEC 40500:2025.
Web Sustainability Guidelines (WSG) becomes a first public Draft Note
Published:
This specification defines guidelines that use planetary, people, and prosperity principles (the PPP approach) throughout the decision-making process, allowing users to minimize their environmental impact in various ways.
First Public Working Draft: CSS Environment Variables Module Level 1
Published:
This specification defines the concept of environment variables and the env() function, which work similarly to custom properties and the var() function, but are defined globally for a document.
First Public Working Draft: Semantic Sensor Network Ontology - 2023 Edition
Published:
The Semantic Sensor Network ontology (SSN) describes actuators and their actuations, sensors and their observations, samplers and their samplings, the procedures implemented, the features of interest and samples changed or studied, and the actuated and observed properties.
Group Note: CSS Snapshot 2025
Published:
This document collects together into one definition all the specs that together form the current state of Cascading Style Sheets (CSS) as of 2025.
First Public Working Draft: A Well-Known URL for Relying Party Passkey Endpoints
Published:
This specification defines a well-known URL which WebAuthn Relying Parties (RPs) can host to make their creation and management endpoints discoverable by WebAuthn clients and authenticators.
First Public Working Draft: Device Bound Session Credentials
Published:
Device Bound Sessions Credentials (DBSC) aims to prevent hijacking via cookie theft by building a protocol and infrastructure that allows a user agent to assert possession of a securely-stored private key.
W3C Invites Implementations of Accessibility Conformance Testing (ACT) Rules Format 1.1
Published:
Act Rules Format defines a format for writing accessibility test rules that can be used for developing automated testing tools and manual testing methodologies.
