{"id":8526,"date":"2018-08-21T08:15:49","date_gmt":"2018-08-21T15:15:49","guid":{"rendered":"http:\/\/blog.mozilla.org\/addons\/?p=8526"},"modified":"2018-08-21T08:43:01","modified_gmt":"2018-08-21T15:43:01","slug":"timeline-for-disabling-legacy-firefox-add-ons","status":"publish","type":"post","link":"https:\/\/blog.mozilla.org\/addons\/2018\/08\/21\/timeline-for-disabling-legacy-firefox-add-ons\/","title":{"rendered":"Timeline for disabling legacy add-ons on addons.mozilla.org"},"content":{"rendered":"<p>Mozilla will stop supporting Firefox <a href=\"https:\/\/www.mozilla.org\/en-US\/firefox\/organizations\/\">Extended Support Release (ESR)<\/a> 52, <a href=\"https:\/\/support.mozilla.org\/en-US\/kb\/frequently-asked-questions-firefox-addon#w_when-will-firefox-esr-stop-supporting-legacy-extensions\">the final release that is compatible with legacy add-ons<\/a>, on September 5, 2018.<\/p>\n<p>As no supported versions of Firefox will be compatible with legacy add-ons after this date, we will start the process of disabling legacy add-on versions on addons.mozilla.org (AMO) in September. On September 6, 2018, submissions for new legacy add-on versions will be disabled. \u00a0All legacy add-on versions will be disabled in early October, 2018. Once this happens, users will no longer be able to find your extension on AMO.<\/p>\n<p>After legacy add-ons are disabled, developers will still be able to port their extensions to the WebExtensions APIs. Once a new version is submitted to AMO, users who have installed the legacy version will automatically receive the update and the add-on\u2019s listing will appear in the gallery.<\/p>\n<p>For more information about porting legacy extensions to the WebExtensions API is available on <a href=\"https:\/\/developer.mozilla.org\/en-US\/docs\/Mozilla\/Add-ons\/WebExtensions\/Porting_a_legacy_Firefox_add-on\">MDN<\/a>. \u00a0We encourage legacy add-on developers to visit <a href=\"https:\/\/wiki.mozilla.org\/Add-ons\/developer\/communication#WebExtensions_APIs_Vision.2C_FAQ.2C_.26_Upcoming_APIs\">our wiki<\/a> for more information about upcoming development work and ways to get in touch with our team for help.<\/p>\n<div id=\"s3gt_translate_tooltip_mini\" class=\"s3gt_translate_tooltip_mini_box\" style=\"background: initial !important; border: initial !important; border-radius: initial !important; border-spacing: initial !important; border-collapse: initial !important; direction: ltr !important; flex-direction: initial !important; font-weight: initial !important; height: initial !important; letter-spacing: initial !important; min-width: initial !important; max-width: initial !important; min-height: initial !important; max-height: initial !important; margin: auto !important; outline: initial !important; padding: initial !important; position: absolute; table-layout: initial !important; text-align: initial !important; text-shadow: initial !important; width: initial !important; word-break: initial !important; word-spacing: initial !important; overflow-wrap: initial !important; box-sizing: initial !important; display: initial !important; color: inherit !important; font-size: 13px !important; font-family: X-LocaleSpecific, sans-serif, Tahoma, Helvetica !important; line-height: 13px !important; vertical-align: top !important; white-space: inherit !important; left: 427px; top: 175px; opacity: 0.55;\">\n<div id=\"s3gt_translate_tooltip_mini_logo\" class=\"s3gt_translate_tooltip_mini\" title=\"Translate selected text\"><\/div>\n<div id=\"s3gt_translate_tooltip_mini_sound\" class=\"s3gt_translate_tooltip_mini\" title=\"Play\"><\/div>\n<div id=\"s3gt_translate_tooltip_mini_copy\" class=\"s3gt_translate_tooltip_mini\" title=\"Copy text to Clipboard\"><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Mozilla will stop supporting Firefox Extended Support Release (ESR) 52, the final release that is compatible with legacy add-ons, on September 5, 2018. As no supported versions of Firefox will &hellip; <a class=\"go\" href=\"https:\/\/blog.mozilla.org\/addons\/2018\/08\/21\/timeline-for-disabling-legacy-firefox-add-ons\/\">Read more<\/a><\/p>\n","protected":false},"author":1405,"featured_media":8296,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[388,44,121,227],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Timeline for disabling legacy add-ons on addons.mozilla.org - Mozilla Add-ons Community Blog<\/title>\n<meta name=\"description\" content=\"After Firefox ESR 52 stops being supported on September 5, 2018, we will start the process of disabling legacy add-on versions on addons.mozilla.org (AMO).\" \/>\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\/2018\/08\/21\/timeline-for-disabling-legacy-firefox-add-ons\/\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Caitlin Neiman\" \/>\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\/2018\/08\/21\/timeline-for-disabling-legacy-firefox-add-ons\/\",\"url\":\"https:\/\/blog.mozilla.org\/addons\/2018\/08\/21\/timeline-for-disabling-legacy-firefox-add-ons\/\",\"name\":\"Timeline for disabling legacy add-ons on addons.mozilla.org - 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