{"id":52195,"date":"2026-10-13T01:28:57","date_gmt":"2026-10-13T01:28:57","guid":{"rendered":"https:\/\/ubuntuhandbook.org\/?p=52195"},"modified":"2026-10-13T01:28:57","modified_gmt":"2026-10-13T01:28:57","slug":"firefox-158-0-is-available-with-official-jpeg-xl-support","status":"publish","type":"post","link":"https:\/\/ubuntuhandbook.org\/index.php\/2026\/10\/firefox-158-0-is-available-with-official-jpeg-xl-support\/","title":{"rendered":"Firefox 158.0 is Available with Official JPEG-XL Support"},"content":{"rendered":"<p><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\" \/><\/p>\n<p>Firefox 158.0, the new biweekly release of Mozilla&#8217;s web browser, is available to download.<\/p>\n<p>The new version of this popular web browser finally added <b>out-of-the-box support for JPEG-XL<\/b> image format, which has been available for testing in Firefox Labs since v152.0.<\/p>\n<p><!--more--><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-52196\" src=\"https:\/\/ubuntuhandbook.org\/wp-content\/uploads\/2026\/10\/firefox-jpegxltest-700x455.webp\" alt=\"\" width=\"610\" height=\"397\" srcset=\"https:\/\/ubuntuhandbook.org\/wp-content\/uploads\/2026\/10\/firefox-jpegxltest-700x455.webp 700w, https:\/\/ubuntuhandbook.org\/wp-content\/uploads\/2026\/10\/firefox-jpegxltest-300x195.webp 300w, https:\/\/ubuntuhandbook.org\/wp-content\/uploads\/2026\/10\/firefox-jpegxltest-768x499.webp 768w, https:\/\/ubuntuhandbook.org\/wp-content\/uploads\/2026\/10\/firefox-jpegxltest.webp 1411w\" sizes=\"auto, (max-width: 610px) 100vw, 610px\" \/><\/p>\n<p>This version improved PDF support by fixing a variety of PDF rendering issues, such as missing math symbols. And when saving a web page as PDF or printing on Linux and macOS, it now creates more accessible PDFs.<\/p>\n<p>For smart window users, the form fill feature is now faster than before, as it will now suggest data to use based on your relevant open tabs and saved auto-fill data. Though, it&#8217;s a progressive roll-out feature that may not available for you.<\/p>\n<p>Other changes include Albanian, Belarusian, Filipino languages support in translations, smoother and more precise scrolling on HiDPI display, and keep custom wallpapers under &#8220;Your images&#8221; title in new tab.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-52197\" src=\"https:\/\/ubuntuhandbook.org\/wp-content\/uploads\/2026\/10\/firefox-translations-700x441.webp\" alt=\"\" width=\"610\" height=\"384\" srcset=\"https:\/\/ubuntuhandbook.org\/wp-content\/uploads\/2026\/10\/firefox-translations-700x441.webp 700w, https:\/\/ubuntuhandbook.org\/wp-content\/uploads\/2026\/10\/firefox-translations-300x189.webp 300w, https:\/\/ubuntuhandbook.org\/wp-content\/uploads\/2026\/10\/firefox-translations-768x484.webp 768w, https:\/\/ubuntuhandbook.org\/wp-content\/uploads\/2026\/10\/firefox-translations.webp 1312w\" sizes=\"auto, (max-width: 610px) 100vw, 610px\" \/><\/p>\n<p>For developers, Firefox 158.0 features:<\/p>\n<ul>\n<li>Add support typed arithmetic in CSS <code>calc()<\/code>.<\/li>\n<li>Add support the <code>navigate<\/code> option for the <code>Notification<\/code> constructor and <code>ServiceWorkerRegistration.showNotification()<\/code>.<\/li>\n<li>Show the WebAuthn conditional UI on input elements with an <code>autocomplete=\\\"webauthn\\\"<\/code> attribute.<\/li>\n<li>Support the <code>cache<\/code> value for <code>PerformanceResourceTiming.deliveryType<\/code>.<\/li>\n<li>WebGL extension <code>EXT_polygon_offset_clamp<\/code> on compatible devices.<\/li>\n<\/ul>\n<h3>Get Firefox 158.0<\/h3>\n<p>The new 158.0 as well includes various crash, security, and other bug-fixes, see the link below for the official release note:<\/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.firefox.com\/en-US\/firefox\/158.0\/releasenotes\/\" target=\"_blank\" rel=\"noreferrer noopener\">Firefox 158.0 Release Note<\/a><\/div>\n<\/div>\n<p>As the link above is not ready at the moment of writing, you may go to this <a href=\"https:\/\/ftp.mozilla.org\/pub\/firefox\/releases\/158.0\/\" target=\"_blank\" rel=\"noopener\">Mozilla web-page<\/a> for the source and installer packages for Linux, Windows, and macOS.<\/p>","protected":false},"excerpt":{"rendered":"<p>Firefox 158.0, the new biweekly release of Mozilla&#8217;s web browser, is available to download. The new version of this popular web browser finally added out-of-the-box support for JPEG-XL image format, which has been available for testing in Firefox Labs since v152.0.<\/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],"class_list":["post-52195","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","tag-firefox"],"_links":{"self":[{"href":"https:\/\/ubuntuhandbook.org\/index.php\/wp-json\/wp\/v2\/posts\/52195","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=52195"}],"version-history":[{"count":0,"href":"https:\/\/ubuntuhandbook.org\/index.php\/wp-json\/wp\/v2\/posts\/52195\/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=52195"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ubuntuhandbook.org\/index.php\/wp-json\/wp\/v2\/categories?post=52195"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ubuntuhandbook.org\/index.php\/wp-json\/wp\/v2\/tags?post=52195"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}