DOM backward compatibility

This page lists changes to the DOM API.

Purpose

Sometimes the DOM API changes in a way that prevents client applications from working properly when they upgrade to the latest DOM version. Although the DOM maintainers minimize API breakage as much as possible, sometimes it's necessary. In most API breakage situations, the client application no longer compiles.

This page is used to record any changes that require clients to modify their code to work with a newer version of the DOM.

Core API changes

This section tracks changes made to the core API.

IO plug-in changes

This section tracks changes made to the I/O plug-in system.