{"id":53558,"date":"2026-10-16T15:59:56","date_gmt":"2026-10-16T19:59:56","guid":{"rendered":"https:\/\/mjtsai.com\/blog\/?p=53558"},"modified":"2026-10-16T15:59:56","modified_gmt":"2026-10-16T19:59:56","slug":"xcode-27-1","status":"publish","type":"post","link":"https:\/\/mjtsai.com\/blog\/2026\/10\/16\/xcode-27-1\/","title":{"rendered":"Xcode 27.1"},"content":{"rendered":"<p><a href=\"https:\/\/developer.apple.com\/documentation\/xcode-release-notes\/xcode-27_1-release-notes\">Apple<\/a> (<a href=\"https:\/\/developer.apple.com\/services-account\/download?path=\/Developer_Tools\/Xcode_27.1\/Xcode_27.1.xip\">xip<\/a>, <a href=\"https:\/\/developer.apple.com\/download\/all\/\">downloads<\/a>):<\/p>\n<blockquote cite=\"https:\/\/developer.apple.com\/documentation\/xcode-release-notes\/xcode-27_1-release-notes\">\n<p>Xcode 27.1 includes Swift 6.4 and SDKs for iOS 27.1, iPadOS 27, tvOS 27, watchOS 27, macOS 27, and visionOS 27. Xcode 27.1 supports on-device debugging in iOS 17 and later, tvOS 17 and later, watchOS 10 and later, and visionOS. Xcode 27.1 requires a Mac running macOS Tahoe 26.6 or later.<\/p>\n<\/blockquote>\n\n<p><a href=\"https:\/\/mastodon.social\/@chbeer\/117422148051205118\">Christian Beer<\/a>:<\/p>\n<blockquote cite=\"https:\/\/mastodon.social\/@chbeer\/117422148051205118\">\n<p>You <a href=\"https:\/\/developer.apple.com\/forums\/thread\/724812?answerId=825282022#825282022\">can&rsquo;t run macOS UI tests on Xcode cloud<\/a> as soon as your app uses &#x201E;restricted entitlements&ldquo;[&#8230;]<\/p>\n<\/blockquote>\n\n<p>Previously:<\/p>\n<ul>\n<li><a href=\"https:\/\/mjtsai.com\/blog\/2026\/09\/17\/jumping-to-27-2\/\">Jumping to 27.2<\/a><\/li>\n<li><a href=\"https:\/\/mjtsai.com\/blog\/2026\/09\/15\/xcode-27\/\">Xcode 27<\/a><\/li>\n<li><a href=\"https:\/\/mjtsai.com\/blog\/2026\/09\/11\/developing-for-iphone-duo\/\">Developing for iPhone Duo<\/a><\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Apple (xip, downloads): Xcode 27.1 includes Swift 6.4 and SDKs for iOS 27.1, iPadOS 27, tvOS 27, watchOS 27, macOS 27, and visionOS 27. Xcode 27.1 supports on-device debugging in iOS 17 and later, tvOS 17 and later, watchOS 10 and later, and visionOS. Xcode 27.1 requires a Mac running macOS Tahoe 26.6 or later. [&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":"2026-10-16T20:00:01Z","apple_news_api_id":"a99b9401-475d-49b1-87be-a37b38b41502","apple_news_api_modified_at":"2026-10-16T20:00:01Z","apple_news_api_revision":"AAAAAAAAAAD\/\/\/\/\/\/\/\/\/\/w==","apple_news_api_share_url":"https:\/\/apple.news\/AqZuUAUddSbGHvqN7OLQVAg","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":[4],"tags":[2518,30,2784,71,268,226,2230],"class_list":["post-53558","post","type-post","status-publish","format-standard","hentry","category-programming-category","tag-entitlements","tag-mac","tag-macos-27","tag-programming","tag-testing","tag-xcode","tag-xcode-cloud"],"apple_news_notices":[],"_links":{"self":[{"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/posts\/53558","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=53558"}],"version-history":[{"count":1,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/posts\/53558\/revisions"}],"predecessor-version":[{"id":53559,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/posts\/53558\/revisions\/53559"}],"wp:attachment":[{"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/media?parent=53558"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/categories?post=53558"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/tags?post=53558"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}