The 140.0 release of Firefox web browser is available to download after 4 weeks of development and beta testing.
In addition to Google, Bing, DuckDuckGo, and Wikipedia, the new release introduced custom search engine support. User now can either right-click search field of a supported website and select Add Search Engine, or go to “Settings -> Search” to add search engine with custom name, URL, and optional keyword.
When using Vertical Tabs, the divider between the pinned tabs and other open tabs now is draggable, so that you can resize the section to view more pinned tabs without scrolling.
The Extensions icon tool-bar in the release can now be hidden by using “Remove from Toolbar” context menu options. And, you may add it back by using the “Always show in Tool-bar” context menu option in “Customize toolbar…” page.
It’s able to hide Extensions icon from tool-bar
Firefox 140 also enhanced the full-page translations support. It now prioritizes translating only the content near your current view, improving speed and responsiveness. While other content that’s outside your view is skipped unless you scroll to it, reducing unnecessary resource usage.
Other changes include:
- New “Unload Tab” option for selected tabs to save memory.
- Enable address auto-fill for users in Italy, Poland, and Austria.
- Remove Pocket toolbar icon, as it will be shut down on July 8, 2025
- Add aria-keyshortcuts support for Linux, Windows, macOS.
- Add built-in Arabic dictionary for spellchecker for Firefox builds in Arabic.
- And various security fixes.
For web developers, the release added CookieStore API – an asynchronous cookie API for scripts running in HTML documents and service workers. It also supports for Custom Highlight API to allow styling arbitrary text ranges, though text-decoration is not included so far.
It now applies a uniform user agent (UA) style to <h1> elements, regardless of whether they are used inside <article>, <aside>, <nav>, or <section>. And, it now escape less-than (<) and greater-than (>) symbols when serializing HTML attributes.
As well, it added support for the pointerrawupdate event. And, Service Workers are now available in Private Browsing Mode.
Get Firefox 140.0
The official release note as well as the download link will be soon made available in the link below:
If you can’t wait, then download Firefox 140.0 from this ftp page.
