{"id":48969,"date":"2025-05-26T13:02:27","date_gmt":"2025-05-26T13:02:27","guid":{"rendered":"https:\/\/ubuntuhandbook.org\/?p=48969"},"modified":"2025-05-26T13:02:27","modified_gmt":"2025-05-26T13:02:27","slug":"firefox-139-0-link-preview-custom-wallpaper","status":"publish","type":"post","link":"https:\/\/ubuntuhandbook.org\/index.php\/2025\/05\/firefox-139-0-link-preview-custom-wallpaper\/","title":{"rendered":"Firefox 139.0 Added Link Preview &#038; Custom Wallpaper for New Tabs"},"content":{"rendered":"<p><a href=\"https:\/\/ubuntuhandbook.org\/wp-content\/uploads\/2024\/07\/firefox-logo.webp\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-thumbnail wp-image-46878\" src=\"https:\/\/ubuntuhandbook.org\/wp-content\/uploads\/2024\/07\/firefox-logo-250x250.webp\" alt=\"\" width=\"250\" height=\"250\" srcset=\"https:\/\/ubuntuhandbook.org\/wp-content\/uploads\/2024\/07\/firefox-logo-250x250.webp 250w, https:\/\/ubuntuhandbook.org\/wp-content\/uploads\/2024\/07\/firefox-logo-300x300.webp 300w, https:\/\/ubuntuhandbook.org\/wp-content\/uploads\/2024\/07\/firefox-logo-700x700.webp 700w, https:\/\/ubuntuhandbook.org\/wp-content\/uploads\/2024\/07\/firefox-logo-768x768.webp 768w, https:\/\/ubuntuhandbook.org\/wp-content\/uploads\/2024\/07\/firefox-logo.webp 1200w\" sizes=\"auto, (max-width: 250px) 100vw, 250px\" \/><\/a><\/p>\n<p>The new 139.0 release of Firefox web browser is finally available to download after 10 beta testing releases.<\/p>\n<p>The official release note for this version is not ready at the moment of writing. According to its <a href=\"https:\/\/github.com\/mozilla\/release-notes\/blob\/master\/releases\/firefox-139.0-release.json\" target=\"_blank\" rel=\"noopener\">Github releases page<\/a>, it includes some exciting new features.<\/p>\n<p><a href=\"https:\/\/ubuntuhandbook.org\/wp-content\/uploads\/2025\/05\/firefox-link-preview.webp\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-48970\" src=\"https:\/\/ubuntuhandbook.org\/wp-content\/uploads\/2025\/05\/firefox-link-preview-700x485.webp\" alt=\"\" width=\"610\" height=\"423\" srcset=\"https:\/\/ubuntuhandbook.org\/wp-content\/uploads\/2025\/05\/firefox-link-preview-700x485.webp 700w, https:\/\/ubuntuhandbook.org\/wp-content\/uploads\/2025\/05\/firefox-link-preview-300x208.webp 300w, https:\/\/ubuntuhandbook.org\/wp-content\/uploads\/2025\/05\/firefox-link-preview-768x532.webp 768w, https:\/\/ubuntuhandbook.org\/wp-content\/uploads\/2025\/05\/firefox-link-preview.webp 1254w\" sizes=\"auto, (max-width: 610px) 100vw, 610px\" \/><\/a><\/p>\n<p><!--more--><\/p>\n<p>First, it introduced new <b>link previews<\/b> experimental feature that can be enabled via Firefox Labs setting page. With it enabled, user may move mouse cursor over a link and press <code>Alt+Shift<\/code> to preview the link page in pop-up with AI-generated key points. The AI runs locally on user&#8217;s device and browse data is not shared or stored. See <a href=\"https:\/\/connect.mozilla.org\/t5\/firefox-labs\/try-out-link-previews-in-firefox-labs-138-and-share-your\/td-p\/92012\" target=\"_blank\" rel=\"noopener\">HERE<\/a> for more.<\/p>\n<p>Firefox supports changing the background for New Tabs. In the new release, it enhanced the feature by adding ability to upload a custom image as wallpaper for new tabs. And, the solid colors selection page added option to choose a custom color by either color picker or inputting a color code.<\/p>\n<p><a href=\"https:\/\/ubuntuhandbook.org\/wp-content\/uploads\/2025\/05\/firefox-customwallpaper.webp\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-48971\" src=\"https:\/\/ubuntuhandbook.org\/wp-content\/uploads\/2025\/05\/firefox-customwallpaper-700x482.webp\" alt=\"\" width=\"610\" height=\"420\" srcset=\"https:\/\/ubuntuhandbook.org\/wp-content\/uploads\/2025\/05\/firefox-customwallpaper-700x482.webp 700w, https:\/\/ubuntuhandbook.org\/wp-content\/uploads\/2025\/05\/firefox-customwallpaper-300x206.webp 300w, https:\/\/ubuntuhandbook.org\/wp-content\/uploads\/2025\/05\/firefox-customwallpaper-768x528.webp 768w, https:\/\/ubuntuhandbook.org\/wp-content\/uploads\/2025\/05\/firefox-customwallpaper.webp 1170w\" sizes=\"auto, (max-width: 610px) 100vw, 610px\" \/><\/a><\/p>\n<p>As well, the Full-Page Translations feature in the release has been extended with support for Firefox extension pages that start with the <code>moz-extension:\/\/<\/code>.<\/p>\n<p>Other changes in the browser release include:<\/p>\n<ul>\n<li>The Review Checker feature is shutting down and will no longer be available after June 10, 2025.<\/li>\n<li>The Temporal proposal, a better version of Date, is now enabled by default.<\/li>\n<li>Support timer throttling for Workers.<\/li>\n<li>Closed <code>&lt;details&gt;<\/code> elements are now searchable and can be automatically expanded if found via find-in-page.<\/li>\n<li>Support the <code>hidden=until-found<\/code> attribute.<\/li>\n<li>Add support WebAuthn Large Blob Extension.<\/li>\n<li>Add support for <code>requestClose()<\/code> to <code>HTMLDialogElement<\/code>.<\/li>\n<li>Keep PNG transparency when pasting into Firefox.<\/li>\n<li>Improve upload performance of HTTP\/3.<\/li>\n<li>Security fixes, and more.<\/li>\n<\/ul>\n<h3>Get Firefox 139.0<\/h3>\n<p>The official release note as well as the download link will soon be available in Mozilla website via the link below:<\/p>\n<div class=\"wp-block-buttons aligncenter\">\n<div class=\"wp-block-button is-style-fill\"><a class=\"wp-block-button__link has-vivid-cyan-blue-to-vivid-purple-gradient-background has-text-color has-background\" href=\"https:\/\/www.mozilla.org\/en-US\/firefox\/139.0\/releasenotes\/\" target=\"_blank\" rel=\"noreferrer noopener\">Firefox 139.0 Release Note<\/a><\/div>\n<\/div>\n<p>If you can&#8217;t wait, then just go to <a href=\"https:\/\/ftp.mozilla.org\/pub\/firefox\/releases\/139.0\/\" target=\"_blank\">this page<\/a> and select download Firefox 139.0 for your system and language.<\/p>","protected":false},"excerpt":{"rendered":"<p>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.<\/p>\n","protected":false},"author":1,"featured_media":46878,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[1194,2057],"class_list":["post-48969","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","tag-firefox","tag-web"],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/ubuntuhandbook.org\/index.php\/wp-json\/wp\/v2\/posts\/48969","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ubuntuhandbook.org\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ubuntuhandbook.org\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ubuntuhandbook.org\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ubuntuhandbook.org\/index.php\/wp-json\/wp\/v2\/comments?post=48969"}],"version-history":[{"count":0,"href":"https:\/\/ubuntuhandbook.org\/index.php\/wp-json\/wp\/v2\/posts\/48969\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ubuntuhandbook.org\/index.php\/wp-json\/wp\/v2\/media\/46878"}],"wp:attachment":[{"href":"https:\/\/ubuntuhandbook.org\/index.php\/wp-json\/wp\/v2\/media?parent=48969"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ubuntuhandbook.org\/index.php\/wp-json\/wp\/v2\/categories?post=48969"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ubuntuhandbook.org\/index.php\/wp-json\/wp\/v2\/tags?post=48969"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}