The Verifiable Claims Working Group invites implementations of an updated Candidate Recommendation of Verifiable Credentials Data Model 1.0. Credentials are a part of our daily lives; driver’s licenses are used to assert that we are capable of operating a motor vehicle, university degrees can be used to assert our level of education, and government-issued passports enable us to travel between countries. This specification provides a mechanism to express these sorts of credentials on the Web in a way that is cryptographically secure, privacy respecting, and machine-verifiable.

The Web Performance Working Group has published a First Public Working Draft of Timing Entry Names Registry. This document provides a registry of PerformanceEntry.entryType used in Performance Timeline [ PERFORMANCE-TIMELINE-2 ].

The WebAssembly Working Group invites implementations of three Candidate Recommendations published today:

• WebAssembly Core Specification describes version 1.0 of the core WebAssembly standard, a safe, portable, low-level code format designed for efficient execution and compact representation.
• WebAssembly JavaScript Interface provides an explicit JavaScript API for interacting with WebAssembly.
• WebAssembly Web API describes the integration of WebAssembly with the broader web platform.

The CSS Working Group invites implementations of an updated Candidate Recommendation of CSS Syntax Module Level 3. This module describes, in general terms, the basic structure and syntax of CSS stylesheets. It defines, in detail, the syntax and parsing of CSS – how to turn a stream of bytes into a meaningful stylesheet.

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