Download Mozilla Firefox 131.0

New
- Firefox will now offer to temporarily remember when users grant permissions to sites (e.g. geolocation). Temporary permissions will be removed either after one hour or when the tab is closed.
- A tab preview is now displayed when hovering the mouse over background tabs, making it easier to locate the desired tab without needing to switch tabs.
- When suggesting a default translation language, Firefox will now take into consideration languages you have previously used for translations.
- We’ve re-introduced the ability to navigate to the search engine home page when the search bar is empty by using shift-enter/shift-click.
Fixed
- Various security fixes.
Changed
- The following language is now supported by Firefox translation:
- Swedish
- The Tab overview (List all tabs) menu has received a new, refreshed icon.
Enterprise
- You can find information about policy updates and enterprise specific bug fixes in the Firefox for Enterprise 131 Release Notes.
Developer
- As part of the ongoing updates to SVG 2, SVGGraphicsElement.nearestViewportElement and SVGGraphicsElement.farthestViewportElement have been officially removed. Please note that these properties have had deprecation warnings since February.
- Firefox now supports text fragments, which allows users to link directly to a specific portion of text in a web document via a special URL fragment. (Learn more)
Web Platform
- SameSite=None cookies will now be rejected when there is no Secure attribute included.
- Support for Cookies Having Independent Partitioned State (CHIPS) was now added, allowing developers to opt a cookie into storage partitioned per top-level site. (Learn more)
Community Contributions
- With the release of Firefox 131, we are pleased to welcome the developers who contributed their first code change to Firefox in this release, 15 of whom were brand new volunteers! Please join us in thanking each of these diligent and enthusiastic individuals, and take a look at their contributions:
- Alex T: 1634192, 1896774
- Anthony Mclamb: 1911118
- c8ef: 1911403
- Chris [:godtamit]: 1915265
- Dan: 1850682, 1859328
- Gatlin Newhouse: 1909999
- Kavin: 1868305
- Luca Niccoli: 1759936
- Robert Holdsworth: 1703127, 1910611
- Shashi Sugrim: 1913090
- shubhampharande8: 490753
- Stefan Richter: 1409262
- superstuff: 1583811
- wildbydesign: 1884814
- Yanis Lagha: 381283, 1910161, 1910167, 1912513