Firefox 71 for Developers

Draft
This page is not complete.

This article provides information about the changes in Firefox 71 that will affect developers. Firefox 71 is the current Nightly version of Firefox, and will ship on December 10, 2019.

Changes for web developers

Developer tools

No changes.

Removals

HTML

No changes.

 Removals

CSS

No changes.

Removals

SVG

No changes.

Removals

JavaScript

No changes.

Removals

APIs

New APIs

DOM

DOM events

Service workers

Media, Web Audio, and WebRTC

Canvas and WebGL

Removals

Security

No changes.

Removals

Plugins

No changes.

Removals

Other

No changes.

Removals

Changes for add-on developers

API changes

No changes.

Removals

Manifest changes

No changes.

Removals

See also

Older versions