{"id":8953,"date":"2020-11-20T08:30:58","date_gmt":"2020-11-20T16:30:58","guid":{"rendered":"http:\/\/blog.mozilla.org\/addons\/?p=8953"},"modified":"2020-11-19T11:51:21","modified_gmt":"2020-11-19T19:51:21","slug":"extensions-in-firefox-84","status":"publish","type":"post","link":"https:\/\/blog.mozilla.org\/addons\/2020\/11\/20\/extensions-in-firefox-84\/","title":{"rendered":"Extensions in Firefox 84"},"content":{"rendered":"<p>Here are our highlights of what\u2019s coming up in the Firefox 84 release:<\/p>\n<ul>\n<li>You can now <a href=\"https:\/\/bugzilla.mozilla.org\/show_bug.cgi?id=1634556\">zoom extension panels, popups, and sidebars<\/a> using Ctrl+scroll wheel (Cmd+scroll wheel on macOS).<\/li>\n<li>Under certain circumstances, <a href=\"https:\/\/bugzilla.mozilla.org\/show_bug.cgi?id=1643858\">search engine changes weren\u2019t being reset<\/a> when an add-on was uninstalled. This has been fixed now.<\/li>\n<\/ul>\n<h3>Manage Optional Permissions in Add-ons Manager<\/h3>\n<p>As we mentioned <a href=\"https:\/\/blog.mozilla.org\/addons\/2020\/10\/28\/extensions-in-firefox-83\/\">last time<\/a>, users will be able to manage optional permissions of installed extensions from the Firefox Add-ons Manager (about:addons).<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-large wp-image-8950\" src=\"https:\/\/blog.mozilla.org\/addons\/files\/2020\/10\/Screenshot_2020-10-27-Blog-Posts-Extensions-in-Firefox-NN-600x379.png\" alt=\"Optional permissions in about:addons\" width=\"600\" height=\"379\" srcset=\"https:\/\/blog.mozilla.org\/addons\/files\/2020\/10\/Screenshot_2020-10-27-Blog-Posts-Extensions-in-Firefox-NN-600x379.png 600w, https:\/\/blog.mozilla.org\/addons\/files\/2020\/10\/Screenshot_2020-10-27-Blog-Posts-Extensions-in-Firefox-NN-252x159.png 252w, https:\/\/blog.mozilla.org\/addons\/files\/2020\/10\/Screenshot_2020-10-27-Blog-Posts-Extensions-in-Firefox-NN-768x485.png 768w, https:\/\/blog.mozilla.org\/addons\/files\/2020\/10\/Screenshot_2020-10-27-Blog-Posts-Extensions-in-Firefox-NN.png 826w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>We recommend that extensions using optional permissions listen for <a href=\"https:\/\/developer.mozilla.org\/en-US\/docs\/Mozilla\/Add-ons\/WebExtensions\/API\/permissions\/onAdded\"><code>browser.permissions.onAdded<\/code><\/a> and <a href=\"https:\/\/developer.mozilla.org\/en-US\/docs\/Mozilla\/Add-ons\/WebExtensions\/API\/permissions\/onRemoved\"><code>browser.permissions.onRemoved<\/code><\/a> API events. This ensures the extension is aware of the user granting or revoking optional permissions.<\/p>\n<h3>Thanks<\/h3>\n<p>We would like to thank Tom Schuster for his contributions to this release.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Here are our highlights of what\u2019s coming up in the Firefox 84 release: You can now zoom extension panels, popups, and sidebars using Ctrl+scroll wheel (Cmd+scroll wheel on macOS). Under &hellip; <a class=\"go\" href=\"https:\/\/blog.mozilla.org\/addons\/2020\/11\/20\/extensions-in-firefox-84\/\">Read more<\/a><\/p>\n","protected":false},"author":173,"featured_media":8771,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[388,44,227,278886],"tags":[278877,278873,278875,278871],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Extensions in Firefox 84 - Mozilla Add-ons Community Blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blog.mozilla.org\/addons\/2020\/11\/20\/extensions-in-firefox-84\/\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Jorge Villalobos\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/blog.mozilla.org\/addons\/2020\/11\/20\/extensions-in-firefox-84\/\",\"url\":\"https:\/\/blog.mozilla.org\/addons\/2020\/11\/20\/extensions-in-firefox-84\/\",\"name\":\"Extensions in Firefox 84 - 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