Firefox 115.0 | Newwin

Firefox is a fast, full-featured web browser. It offers great security, privacy and protection against viruses, spyware, malware and it can also easily block pop-up windows. The main features that have made Firefox so popular are its simple and effective user interface, browsing speed and strong security capabilities.

Firefox has full web browsing features. It is highly reliable and flexible due to the implemented security features and customization options. Firefox includes pop-up blocking, tab browsing, integrated Google search, simplified privacy controls, a streamlined browser window that shows you more of the page than any other browser, and a number of additional features that work with you to help you get the most out of it. from your browser. outside your time online.

Firefox 115.0 release notes:

In January 2023, Microsoft ended support for Windows 7 and Windows 8. As a result, this is the last version of Firefox that users will receive on those operating systems. Users on Windows 7 and Windows 8 will be automatically migrated to the ESR 115 version of Firefox to continue receiving important security updates. Visit this Firefox support article for more information.

Likewise, this is the last major version of Firefox to support Apple macOS 10.12, 10.13, and 10.14. Users of those operating systems will be migrated to the ESR 115 version of Firefox so they will continue to receive important updates. Visit this Firefox support article for more information.


  • Migrate from another browser? You can now transfer payment methods saved in Chrome-based browsers to Firefox.
  • Hardware video decoding is now enabled for Intel GPUs on Linux.
  • The Tab Manager dropdown now includes close buttons to help you close tabs more quickly.
  • We’ve redesigned and streamlined the user interface for importing data from other browsers.
  • Users without platform support for H264 video decoding can now fall back to Cisco’s OpenH264 playback plug-in.


  • Windows Magnifier now correctly follows the text cursor when the Firefox title bar is visible.
  • Windows users with low-end/USB Wi-Fi drivers and with operating system geolocation disabled can now approve geolocation on a case-by-case basis without causing system-wide network instability.
  • Various security solutions.


  • Undo and redo are now available in password fields.
  • On Linux, the middle click on the new tab button will now open the xclipboard content in the new tab. If the xclipboard content is a URL, that URL will be opened, all other text will be opened with your default search engine.
  • For users with a theme built into Firefox Colorways, the theme is automatically migrated to the same theme hosted on for Firefox profiles that have automatic add-on updates turned off. This allows users to keep their Colorways theme when later removed from Firefox installation files.
  • Certain Firefox users may encounter a message in the extension panel stating that their add-ons are not allowed on the currently open site. We’ve introduced a new back-end feature to allow only certain Mozilla-verified extensions to run on specific websites for various reasons, including security concerns.



  • In web development, we rely on third-party libraries that you may not be interested in while debugging. These can be ignored. If you ignore them, breakpoints will not be hit and will be skipped while stepping.
  • You can now choose to hide resources listed on the ignore list from the Developer Tools resource tree.
  • Ignored resources are also skipped by the JavaScript tracer

  • We have introduced a new option, devtools.f12_enabled, which can be used to prevent accidental use of the F12 key, which opens the DevTools toolbox

Web platform

  • The built-in editor now behaves similar to other browsers with contenteditable and designMode when splitting a node, e.g. type Enter to split a paragraph, and also when merging two nodes, e.g. type Backspace at the beginning of a paragraph to merge the paragraph and the previous one .
  • When a node is split, the built-in editor creates a new node after the original one instead of before it, ie creates the right node instead of the left one.
  • Similarly, when two nodes are merged, the built-in editor removes the last node and moves its children to the end of the preceding node instead of removing the previous node and moving its child to the beginning of the next node.
  • WebRTC application developers can now specify a target in milliseconds of media for the jitter buffer to hold. By changing the target value, applications can determine the trade-off between playback delay and the risk of running out of audio or video frames due to network jitter.
  • Modify array by copy provides additional methods on Array.prototype and TypedArray.prototype to allow changes to the array by returning a new copy of it with the change.
  • The animation-composition property is now supported, allowing a declarative way to define the compounding operation used when multiple animations simultaneously affect the same property.
  • Added the URL.canParse() function to easily and quickly check if URLs are valid and parsable.
  • IndexedDB is now also supported for private browsing without memory limitations thanks to encrypted storage on disk. The temporary keys to decrypt the information are kept only in RAM and all stored information is deleted from the disk at the normal end of a private browsing session.
  • Supported conditions are now supported in CSS import rules @import supports(…)

Download: Firefox 64-bit | Firefox 32-bit | ~ 50.0MB (Free)
Download: Firefox 115.0 for Linux | 64-bit | ~70.0MB
Download: Firefox for MacOS | 128.0MB
View: Firefox Home | Release Notes

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