HTML 5.2

Changes

This section summarises substantial substantive changes between Public Working Drafts, as a guide for general review.

Full details of all changes since 12 January 2016 are available from the commit log of the w3c/html github repository, including various editorial and linking fixes.

Changes between Working Draft 2 and the First Public Working Draft

Treat data: URLs as a separate origin

data: URLs will have a unique, opaque origin rather than inheriting that of the settings object. This aligns with Blink / Gecko / Webkit behaviour

Various fixes for compatibility with WHATWG specification

Reflecting a broken URL should return the unparsed value

Allow currentScript to return SVGScriptElement

Resetting a textarea should reset its dirty value flag

Make document.open() and close() check for XML document

Change data type for HashChangeEvent to match reality

Make selection members nullable types

Formalize bogus comment state

Add about:html-kind URL definition

This allows for MP4 media track integration

Add nonce to link

For use in Content Security Policy [CSP3]

Add WindowOrWorkerGlobalScope mixin

A convenience that simplifies adding functionality for Window and WorkerGlobalScope objects

Make label-less empty option okay as a datalist child

caption element cannot take role values