Firefox 147 improves video playback on AMD GPUs and privateness safety

With the latest replace to Firefox 147, you possibly can take pleasure in a lot of new options and enhancements. Protected Searching v5 improves privateness safety, picture-in-picture mode for movies has realized a brand new trick, and the builders have as soon as once more mounted a number of safety flaws.

Mozilla doesn’t plan to launch Firefox 148 till six weeks from now, on February twenty fourth. Then the query will come up once more as as to whether Mozilla will oncea acquire lengthen replace help for Firefox 115 for Home windows 7 and eight and macOS 10.12 to 10.14.

What’s new in Firefox 147?

The image-in-picture mode for movies, which has been out there for years, can now be activated routinely as quickly because the tab with the video is not within the foreground. Whenever you convey the video tab again to the foreground, Firefox exits picture-in-picture mode. (You might have already noticed related habits on YouTube.)

Additionally, the Mozilla builders have aligned the efficiency of video playback on AMD GPUs with that of Intel and Nvidia graphics.

Assist for Protected Searching v5, a Google characteristic, drastically reduces the variety of cloud queries. With Protected Searching v5, Firefox maintains a often up to date native record of recognized fraudulent or harmful web sites. Firefox compares URLs to be accessed regionally with this record, that means that the handle will not be despatched over to a cloud service.

Safety fixes in Firefox 147

Mozilla lists at the least 16 vulnerabilities which have been mounted in its Safety Advisory 2026-01 report for Firefox 147, classifying six of the externally reported safety vulnerabilities as excessive danger. 4 of those relate to methods of breaking out of the browser sandbox. The vulnerabilities might be exploited to inject code and execute it on the system. No assaults on any of the vulnerabilities are recognized up to now.

The final two entries within the report record an unspecified variety of internally found vulnerabilities, that are summarized beneath CVE-2026-0891 and CVE-2026-0892. In addition they have an effect on Firefox ESR and Thunderbird. Some are thought of excessive danger, whereas others are solely medium danger.

Firefox ESR and Tor Browser updates

Along with Firefox 147.0, ESR variations 140.7.0 and 115.32.0 are additionally out there, though the latter is just out there for Home windows 7 and eight.1 and macOS 10.12 to 10.14. In these variations, Mozilla’s builders have mounted the above-mentioned vulnerabilities which might be already current within the well-established code of those browser generations.

The most recent Tor Browser 15.0.4 is predicated on Firefox ESR 140.7 and consists of the NoScript 13.5.7 extension. Tor Browser 13.5.27, based mostly on Firefox ESR 115.32 and together with NoScript 13.5.7, is just out there for customers of Home windows 7 and eight.1 and macOS 10.12 to 10.14.

The Tor Venture now hosts NoScript for its browser itself. This may be acknowledged by the truth that the NoScript model has the suffix “.1984,” like the present model 13.5.7.1984. (George Orwell sends his regards.) In any other case, it’s similar to the model on Mozilla’s Add-ons retailer.

Thunderbird 147.0 and 140.7.0esr have additionally been launched. Right here, too, the builders have eradicated one or two safety vulnerabilities that the mail program inherited from Firefox.