The Firefox 143 web browser has been released, and updates have been generated for previous branches with a long support period — 140.3.0 and 115.28.0. The Firefox 144 branch has been moved to the beta testing stage, and its release is scheduled for October 14.
Key new features in Firefox 143 (1, 2, 3):
- Added the ability to pin tabs in the form of permanently visible shortcuts by dragging the tab with the mouse to the beginning of the tab bar, without the need to use the context menu. To unpin a tab, just move the pinned shortcut to the main tab area.
- When a site requests permission to access a camera, the ability to preview the image displayed by the camera in the operation confirmation dialog has been implemented. The preview can be useful to ensure that the correct device has been selected in systems with multiple cameras.
- An option has been added to the settings to delete files downloaded in Private Browsing mode after closing the window. After closing the Private Browsing window, a prompt appears asking you to delete or save the downloaded files.
- Added support for displaying important dates and events in the address bar. The feature is currently enabled to display events such as Mother's Day to users in the US, UK, Germany, France, and Italy.
- The capabilities of the Fingerprinting Protection mode have been expanded. Constant values are returned for parameters that can be used as an additional feature for identification. For example, locally installed non-system fonts are excluded from the list of available fonts.
- Added support for playback of xHE-AAC (Extended High-Efficiency AAC, ISO/IEC 23003-3 standard), the audio format used in Netflix streaming. The xHE-AAC codec is currently only available on platforms Windows 11 22H2+, macOS и Android 9 +.
- An option for searching images via the Google Lens service has been added to the context menu.
- The address bar now supports displaying contextual hints with information about the value of shares and other securities from the stock market.
- Microsoft Copilot has been added to the list of AI chatbots that can be integrated into the sidebar.
- In assemblies for the platform Windows The ability to work with websites as web applications pinned to the taskbar has been added. API support has also been implemented. Windows UI Automation to improve accessibility tools.
- The Web Developer Tools now have a setting to disable grouping of similar messages in the Web Console. The Debugger no longer opens new tabs for formatted content after switching between plain and formatted source code display modes.
- The CSS Grid element size calculation algorithm has been updated to more closely match the specification and ensure correct rendering of CSS Grid layouts that use row sizing in percentages or have elements with an aspect ratio set.
- In the elements The ability to use extended color specification options, such as "rgb(200 200 200)", in addition to the hexadecimal format (#ffffff) has been implemented.
- Removed restrictions that prevented setting CSS display properties for HTML elements ". The pseudo-element "::details-content" has been added to the CSS to customize the design of the collapsible and expandable block.
- In the platform version Android Added a setting to enable DoH (DNS over HTTPS) and simplified the download management interface.
In addition to new features and bug fixes, Firefox 143 fixes 16 vulnerabilities. 8 of the vulnerabilities are caused by memory issues, such as buffer overflows and access to previously released memory areas. These issues could potentially lead to malicious code being executed when opening specially designed pages.
Source: opennet.ru
