Editing Safari (web browser) (section)

=== WebExtension support ===
Beginning in 2018, Apple made technical changes to Safari's content blocking functionality which prompted backlash from users<ref>{{Cite web |author= |title=Apple Neutered Ad Blockers In Safari, But Unlike Chrome, Users Didn't Say a Thing - Slashdot |url=https://apple.slashdot.org/story/19/09/23/210220/apple-neutered-ad-blockers-in-safari-but-unlike-chrome-users-didnt-say-a-thing |url-status=live |archive-url=https://web.archive.org/web/20210226123656/https://apple.slashdot.org/story/19/09/23/210220/apple-neutered-ad-blockers-in-safari-but-unlike-chrome-users-didnt-say-a-thing |archive-date=February 26, 2021 |access-date=September 24, 2019 |website=[[Slashdot]]|date=September 23, 2019 }}</ref> and developers<ref name="Cimpanu-2019">{{Cite news |last=Cimpanu |first=Catalin |date=September 21, 2019 |title=Apple neutered ad blockers in Safari, but unlike Chrome, users didn't say a thing |website=[[ZDNet]] |url=https://www.zdnet.com/article/apple-neutered-ad-blockers-in-safari-but-unlike-chrome-users-didnt-say-a-thing/ |url-status=live |access-date=September 24, 2019 |archive-url=https://web.archive.org/web/20191116210548/https://www.zdnet.com/article/apple-neutered-ad-blockers-in-safari-but-unlike-chrome-users-didnt-say-a-thing/ |archive-date=November 16, 2019}}</ref> of [[ad blocking]] extensions, who said the changes made it impossible to offer a similar level of user protection found in other browsers. Internally, the update limited the number of blocking rules<ref>{{Cite web |last=Bradbury |first=Danny |date=September 24, 2019 |title=Apple restricts old adblocking tech |url=https://nakedsecurity.sophos.com/2019/09/24/apple-restricts-adblocking-extensions/ |url-status=live |archive-url=https://web.archive.org/web/20191126180706/https://nakedsecurity.sophos.com/2019/09/24/apple-restricts-adblocking-extensions/ |archive-date=November 26, 2019 |access-date=September 24, 2019 |website=Naked Security}}</ref> which could be applied by third-party extensions, preventing the full implementation of community-developed blocklists. In response, several developers of popular ad and tracking blockers announced their products were being discontinued,<ref>{{Cite web |last=Orr |first=Andrew |date=September 20, 2019 |title=Safari 13 Just Killed uBlock Origin and Other Extensions |url=https://www.macobserver.com/link/safari-13-ublock-origin/ |url-status=live |archive-url=https://web.archive.org/web/20191202202549/https://www.macobserver.com/link/safari-13-ublock-origin/ |archive-date=December 2, 2019 |access-date=September 24, 2019 |website=The Mac Observer}}</ref> as they were now incompatible with Safari's newly limited content blocking features. Beginning with Safari 13, popular extensions such as [[uBlock Origin]] no longer work with Safari.<ref name="Cimpanu-2019" />