{"id":28099,"date":"2020-02-10T16:01:09","date_gmt":"2020-02-10T21:01:09","guid":{"rendered":"https:\/\/mjtsai.com\/blog\/?p=28099"},"modified":"2020-02-10T16:01:51","modified_gmt":"2020-02-10T21:01:51","slug":"macos-10-15-4-to-warn-about-deprecated-kpis","status":"publish","type":"post","link":"https:\/\/mjtsai.com\/blog\/2020\/02\/10\/macos-10-15-4-to-warn-about-deprecated-kpis\/","title":{"rendered":"macOS 10.15.4 to Warn About Deprecated KPIs"},"content":{"rendered":"<p><a href=\"https:\/\/developer.apple.com\/support\/kernel-extensions\/\">Apple<\/a>:<\/p>\n<blockquote cite=\"https:\/\/developer.apple.com\/support\/kernel-extensions\/\">\n<p>At WWDC19, we announced the deprecation of kernel extensions as part of our ongoing effort to modernize the platform, improve security and reliability, and enable more user-friendly distribution methods. Kernel programming interfaces (KPIs) will be deprecated as alternatives become available, and future OS releases will no longer load kernel extensions that use deprecated KPIs by default.<\/p>\n<p>[&#8230;]<\/p>\n<p>Below is a list of deprecated KPIs as of macOS 10.15. In macOS 10.15.4, use of deprecated KPIs triggers a notification to the user that the software includes a deprecated API and asks the user to contact the developer for alternatives.<\/p>\n<\/blockquote>\n\n<p>Via <a href=\"https:\/\/eclecticlight.co\/2020\/02\/10\/when-you-cant-run-an-app-because-its-extensions-wont-load\/\">Howard Oakley<\/a>:<\/p>\n<blockquote cite=\"https:\/\/eclecticlight.co\/2020\/02\/10\/when-you-cant-run-an-app-because-its-extensions-wont-load\/\">\n<p>Normally, this requires you to run the app (or its installer), during which it and macOS should prompt you to open the <strong>General<\/strong> tab of the <strong>Security &amp; Privacy<\/strong> pane, authenticate, and agree to the kernel extension being installed. This consent is only available for a relatively short time: if it occurs when you&rsquo;re out, it&rsquo;s possible that it will vanish, and you may have to repeat the process to catch it. This is what Apple calls <em>User-Approved Kernel Extension Loading,<\/em> and doesn&rsquo;t involve the <strong>Privacy<\/strong> tab, with which you&rsquo;re probably now more familiar.<\/p>\n<p>[&#8230;]<\/p>\n<p>Sometimes, even after closing the app or installer and restarting, the kernel extension doesn&rsquo;t get installed properly. You can repeat the process, maybe even a couple of times, restarting after each attempt. But in some cases &#x2013; in Macs with a T2 chip only &#x2013; the kernel extension won&rsquo;t load properly unless you disable Secure Boot.<\/p>\n<\/blockquote>\n\n<p>Previously:<\/p>\n<ul>\n<li><a href=\"https:\/\/mjtsai.com\/blog\/2020\/01\/28\/macos-10-15-3\/\">macOS 10.15.3<\/a><\/li>\n<li><a href=\"https:\/\/mjtsai.com\/blog\/2019\/10\/21\/how-kernel-prelinking-works-on-macos-catalina-or-not\/\">How Kernel Prelinking Works on macOS Catalina (or Not)<\/a><\/li>\n<li><a href=\"https:\/\/mjtsai.com\/blog\/2019\/06\/06\/security-privacy-in-macos-10-15-beta\/\">Security &amp; Privacy in macOS 10.15 Beta<\/a><\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Apple: At WWDC19, we announced the deprecation of kernel extensions as part of our ongoing effort to modernize the platform, improve security and reliability, and enable more user-friendly distribution methods. Kernel programming interfaces (KPIs) will be deprecated as alternatives become available, and future OS releases will no longer load kernel extensions that use deprecated KPIs [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"apple_news_api_created_at":"2020-02-10T21:01:12Z","apple_news_api_id":"1ed0fddf-3326-4ec6-a3c8-af0a1ebdb9f3","apple_news_api_modified_at":"2020-02-10T21:01:53Z","apple_news_api_revision":"AAAAAAAAAAAAAAAAAAAAAA==","apple_news_api_share_url":"https:\/\/apple.news\/AHtD93zMmTsajyK8KHr258w","apple_news_coverimage":0,"apple_news_coverimage_caption":"","apple_news_is_hidden":false,"apple_news_is_paid":false,"apple_news_is_preview":false,"apple_news_is_sponsored":false,"apple_news_maturity_rating":"","apple_news_metadata":"\"\"","apple_news_pullquote":"","apple_news_pullquote_position":"","apple_news_slug":"","apple_news_sections":"\"\"","apple_news_suppress_video_url":false,"apple_news_use_image_component":false,"footnotes":""},"categories":[2],"tags":[828,30,1666,71,1608],"class_list":["post-28099","post","type-post","status-publish","format-standard","hentry","category-technology","tag-kernel-extensions","tag-mac","tag-macos-10-15","tag-programming","tag-secure-boot"],"apple_news_notices":[],"_links":{"self":[{"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/posts\/28099","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/comments?post=28099"}],"version-history":[{"count":2,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/posts\/28099\/revisions"}],"predecessor-version":[{"id":28104,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/posts\/28099\/revisions\/28104"}],"wp:attachment":[{"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/media?parent=28099"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/categories?post=28099"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/tags?post=28099"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}