Mozilla sent Firefox Version 143.0.3 to the release channel.
The update includes two security updates rated critical. The security updates can be reviewed here (https://www.mozilla.org/en-US/security/advisories/mfsa2025-80/).
A number of fixes are included in the update. To review the fixes, see the Release Notes (https://www.firefox.com/en-US/firefox/143.0.3/releasenotes/).
Update: To get the update now, select "Help" from the Firefox menu and pick "About Firefox". Mac users need to select "About Firefox" from the Firefox menu. If you do not use the English language version, Fully Localized Versions (https://www.mozilla.org/en-US/firefox/all/#product-desktop-release) are available for download.
Rapid Release Calendar (https://wiki.mozilla.org/Release_Management/Calendar)