Coming through with Firefox 82 – Mozilla Hacks

Coming through with Firefox 82 – Mozilla Hacks

We are pushing Firefox 82 out the door, with enabled support for the Media Session API, new CSS pseudo-selector behaviours and closed security loopholes.

As October ushers in the tail-end of the year, we are pushing Firefox 82 out the door. This time around we finally enable support for the Media Session API, provide some new CSS pseudo-selector behaviours, close some security loopholes involving the Window.name property, and provide inspection for server-sent events in our developer tools.

This blog post provides merely a set of highlights; for all the details, check out the following:

Inspecting server-sent events

Server-sent events allow for an inversion of the traditional client-initiated web request model, with a server sending new data to a web page at any time by pushing messages. In this release we’ve added the ability to inspect server-sent events and their message contents using the Network Monitor.

You can go to the Network Monitor, select the file that is sending the server-sent events, and view the received messages in the Response tab on the right-hand panel.

For more information, check out our Inspecting server-sent events guide.

Web platform updates

Now let’s look at the web platform additions we’ve got in store in 82.

Media Session API

The Media Session API enables two main sets of functionality:

  1. First of all, it provides a way to customize media notifications. It does this by providing metadata for display by the operating system for the media your web app is playing.
  2. Second, it provides event handlers that the browser can use to access platform media keys such as hardware keys found on keyboards, headsets, remote controls, and software keys found in notification areas and on lock screens of mobile devices. So you can seamlessly control web-provided media via your device, even when not looking at the web page.

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