Firefox 125.0.1 improves support for the AV1 codec, ability to highlight PDF documents and more

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Firefox is a popular web browser

Mozilla recently released the release of the new version of Firefox 125.0.1, which brings with it several improvements on which the developers have focused their efforts, and in this release They focused on improving support for the AV1 codec, In addition, a new annotation tool in PDF reader of the browser, which will allow users to highlight, underline and add notes to documents, among other things.

It is worth mentioning that Mozilla decided to postpone the release of Firefox 125 due to the identification of a critical bug at the end of preparation for the release, so Firefox version 125.0.1 is being distributed instead.

It is important to note that, despite Mozilla's recommendations not to announce new releases before the official announcement, some sites have made the details of the release of Firefox 125 public, so not all of them announced the information about the cancellation of the version and has been removed from the release readiness status page, and Firefox 125.0.1 has been announced as an official release.

What's new in Firefox 125.0.1?

One of the new features that Firefox 125.0.1 presents is the ability to highlight text in PDF files, with a five-color palette for quick and easy customization.

Another highlight of this release is en the interface, which has become more efficient with modifications to the tab management in Firefox View. Pinned tabs are now displayed more prominently, and tab indicators with media playing let you quickly control the sound without having to switch between windows.

As for the the address bar, Firefox 125.0.1 introduces automatic URL suggestion, That is, when user copies a link and clicks on the address bar, the browser will automatically show a suggestion to visit the corresponding website. This mechanism simplifies the steps required to access a website, eliminating the need to manually copy and paste followed by a navigation command.

Also, it stands out the AV1 codec support for streaming video content which meets the EME specification. This specification, created by the W3C, allows the transmission of DRM-protected videos. The quality of streaming videos played from the browser is expected to improve significantly and above all to benefit users who enjoy online multimedia content.

In terms of security, Firefox 125.0.1 has improved its defenses against potentially dangerous downloads by improving filtering of suspicious URLs. In addition, the automatic integration of proxy settings (WPAD) in the browser allows you to use the system's proxy settings more securely and efficiently, thus optimizing security management and network connectivity.

In addition, Firefox 125.0.1, A total of 18 vulnerabilities have been addressed, of which 12 are considered dangerous. Among these vulnerabilities, 11 are related to memory issues, such as buffer overflows and access to already freed memory areas. These issues can be exploited by attackers by opening specially crafted web pages, potentially allowing malicious code to be executed on the affected system.

Of the other changes that stand out:

  • The HTMLCanvasElement and OffscreenCanvas interfaces now support events to handle context loss and restoration situations during hardware rendering.
  • Support is included for the navigator.clipboard.readText() method to read from the clipboard with a confirmation request.
  •  The transform-box property now supports stroke box and content box values ​​to change how the reference area is calculated for transformations.
  •  The “align-content” property allows you to work with block containers without using flex and grid containers.
  •  The SVGAElement.text method has been deprecated in favor of the SVGAElement.textContent method.
  •  A new dropdown menu has been added to the debugger panel with actions related to the source map.

How to install or update the new version of Firefox on Linux?

As always, for those who already use firefox, they can simply access the menu to update to the latest version, meaning Firefox users who have not disabled automatic updates will receive the update automatically.

Another option to update, is if you are a user of Ubuntu, Linux Mint or some other derivative of Ubuntu, you can install or update to this new version with the help of the browser's PPA.

This can be added to the system by opening a terminal and executing the following command in it:

sudo add-apt-repository ppa:ubuntu-mozilla-security/ppa -y sudo apt-get update sudo apt install firefox

The last installation method that was added “Flatpak”. To do this, they must have support for this type of packages and the browser installation is done by typing the following command in the terminal:

flatpak install flathub org.mozilla.firefox

As for those who already have the browser installed, it is enough to execute the following command to not only update Firefox, but also all its applications that are in Flatpak format:

flatpack update

In the case of those who prefer the use of Snap, the installation of the browser can be done by typing the following command:

sudo snap install firefox

And to update the applications that we have installed in Snap format, just type the following in the terminal:

sudo snap refresh

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