Firefox Firefox 109th official release, the extension can enable Manifest V3 by default

Thanks to CTOnews.com netizens Wu Yanzu and OC_Formula for the clue delivery! CTOnews.com, January 17 (Xinhua)-- following the release of Chrome 109 last week, Mozilla today launched the official version of Firefox 109, the first version of the web browser in 2023, which has caught up with Google's Chrome.

Firefox 109 does not add many new features, but this update mainly supports enabling Manifest V3 by default for the extension, as well as adding the "Unified extension" button.

CTOnews.com has learned that Manifest V3 boasts better security, privacy, and browser performance, and will limit extended capabilities, especially those designed to monitor, modify, and interact between browsers and sites visited by users. However, compared with Manifest V2, Google's changes on Manifest V3 are said to be mainly aimed at cracking down on the site's ad blocking extension, which can no longer load scripts.

Some changes in Mozilla Firefox 109 are as follows:

The Spanish (es-ES, es-AR) version of the spell checker has a built-in dictionary

Support for scrolling end events

Support to import from browsers of Vivaldi and Opera GX

Picture-in-picture now supports HBO Max subtitles

Developers' Firefox extensions now support Manifest V3 by default, while continuing to support Manifest V2. The default content security policy for Manifest V3 extensions has also been updated.

As part of the Manifest V3 changes, a new "Unified extension" button has also been introduced.