Support for blocking DNS requests when.W^X or Write XOR Execute, is a security policy for memory pages that defines them as either writable or executable, but not both.īasically, what it does is improve the browser's security against attacks targeting Firefox's Just in Time compiler and is also beneficial against memory corruption. These are only available on Windows Vista and newer versions of Windows, and on the Mac OS platform. You can load about:addons, and switch to the plugins section on the page that opens up, to find out if Content Decryption Modules are installed in Firefox. If a Content Decryption Module (CDM) is installed in Firefox, it will be used to decode media that is unencrypted if the default method does not work correctly. Use Content Decryption Module as a fallback to decode unencrypted H.264 and AAC media where available. Download links and update servers will deliver the new version of Firefox on that day, and it may take a while before everything is updated.įirefox 46 is a rather uneventful release as it ships with just a couple of feature additions, and most of those are not even visible to the user.

Note: if you are reading this on April 26, it may not be available for you yet. The new version is distributed via the web browser's update mechanics but also available as a download from the Mozilla website. Netflix works in Firefox 46 withoutÂ plugins as it uses a native CDM now if supported.įirefox 46 has been released by Mozilla.Async Pan Zoom (APZ) is not enabled in Firefox 46.Firefox for Android dropped support for Android 3.x devices.Multi-process Firefox is not enabled in version 46 Stable.This means that it is still possible to flip a switch in Stable and Beta versions of Firefox to install and run unsigned add-ons. Mozilla plans to make it mandatory with the release of Firefox 47.

Firefox add-on signing is enforced in Firefox 46 on the Stable or Beta channels but not mandatory.

Firefox 45.0 tweeks