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Firefox 139 Web Browser Is Now Available for Download, Here’s What’s New
Mozilla Firefox 139 looks like a small update that only introduces support for full-page translations within Firefox extension pages, support for transparent PNG images when they’re pasted into Firefox, and improved upload performance of HTTP/3.
For web developers, Firefox 139 promises timer throttling support for Workers, support for the WebAuthn largeBlob extension, support for requestClose() to HTMLDialogElement, and support for the hidden=until-found attribute, which allows content to be found via find-in-page when it’s otherwise hidden by default.
UbuntuHandbook:
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Firefox 139.0 Added Link Preview & Custom Wallpaper for New Tabs | UbuntuHandbook
The new 139.0 release of Firefox web browser is finally available to download after 10 beta testing releases.
The official release note for this version is not ready at the moment of writing. According to its Github releases page, it includes some exciting new features.
Linuxiac:
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Firefox 139 Now Available for Download, Here’s What’s New
Almost a month after releasing version 138, Mozilla has launched Firefox 139, the latest update to its popular open-source web browser, now available for download.
The main highlight of the new version is that Firefox can now perform full-page translations inside extension pages, not just on ordinary websites.
Moreover, PNG images keep their transparency when pasted into the browser, a quality-of-life tweak designers have requested for ages.
Uploading large files should also feel snappier on high-bandwidth, high-latency lines, thanks to better HTTP/3 performance during 0-RTT resumption.
OMG Ubuntu:
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Firefox 139 Brings Custom New Tab Wallpapers, Better Upload Speeds - OMG! Ubuntu
Not that every release can be a certified banger, of course.
We have been spoiled of late: Firefox 136 delivered long-awaited vertical tabs, Firefox 137 introduced tab grouping and big address bar changes, while last month’s Firefox 138 release debuted a proper profile manager/switcher (and more).
The headline change in Firefox 139, per its release notes, is full-page translations on extension pages (but only if they start with the moz-extension:// URL scheme). Mozilla say this delivers a “popular request” from users.
Elsewhere, Firefox 139 now lets you set a custom New Tab wallpaper or background colour. You can upload any image (in a supported file format), or dial in a specific colour (this uses the underlying OS colour palette tool).