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Firefox

Firefox 62 for developers

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This article provides information about the changes in Firefox 61 that will affect developers. Firefox 62 is the current Nightly version of Firefox, and will ship on September 5, 2018.

Changes for web developers

Developer tools

You can now split the Rules view out into its own pane, separate from the other tabs on the CSS pane. See Page inspector 3-pane mode for more details.

HTML

No changes.

CSS

SVG

No changes.

JavaScript

No changes.

APIs

New APIs

No changes.

DOM

No changes.

DOM events

No changes.

Service workers

No changes.

Media and WebRTC

No changes.

Canvas and WebGL

No changes.

CSSOM

No changes.

HTTP

No changes.

Security

No changes.

Plugins

No changes.

Other

No changes.

Removals from the web platform

HTML

No changes.

CSS

No changes.

APIs

No changes.

SVG

No changes.

Other

No changes.

Changes for add-on and Mozilla developers

WebExtensions

No changes.

See also

  • Site compatibility for Firefox 62

Older versions

 

 

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Contributors to this page: chrisdavidmills
Last updated by: chrisdavidmills,