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iOS 26.6 Beta 2 來了：專注修復與細節優化，為九月大更新鋪路

iOS 26.6 Beta 2 的建構版本為 23G5043d，macOS Tahoe 26.6 Beta 2 則是 25G5043d。已知變更包含封鎖聯絡人數量上限提醒、程式碼中暗示的新「反搶奪」機制，以及針對健康數據查詢與授權畫面的修復 [1][5][7][17]。

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Illustration of an iPhone and Mac screen displaying the iOS 26.6 and macOS Tahoe 26.6 beta 2 software update interface. — What are the details of Apple's second developer beta releases for iOS 26.6, macOS 26.6, and other current-generation operating systems, incApple's second beta cycle for the .6 releases focuses on stability and bug fixes.
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Create a landscape editorial hero image for this Studio Global article: What are the details of Apple's second developer beta releases for iOS 26.6, macOS 26.6, and other current-generation operating systems, inc. Article summary: Here are the details on the second developer beta of the .6 updates, based on today's release (June 15, 2026).. Topic tags: general, documentation, general web, user generated. Reference image context from search candidates: Reference image 1: visual subject "Apple's beta testing routine for the current-gen operating systems continues, with the second developer builds of iOS 26.6, iPadOS 26.6," source context "Second developer betas for iOS 26.6, macOS 26.6 surface" Reference image 2: visual subject "Apple's beta testing routine for the current-gen operating systems continues, with the second developer builds of iOS 26.6, iPadOS 26.6," source context "Second de
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雖然上週（6 月 8 日）所有人的目光都集中在全新世代的 iOS 27 與 macOS 27「Golden Gate」開發者測試版上，但蘋果並未停下對現行系統的打磨。今天（2026 年 6 月 15 日），蘋果正式向開發者釋出了全系列「.6」後綴的第二個開發者測試版，持續為秋季的世代交替鋪平最後一哩路。

可以這樣想：iOS 27 是蘋果即將端上桌的豪華新菜色，而 iOS 26.6 則是主廚在做最後的清潔、磨刀與試味，確保老顧客手上的舊菜單依然穩定、安全且美味。這些更新沒有絢麗的外表，但卻是穩定體驗的基石。

全平台建構版本號

以下是本次六個平台的開發者測試版確認建構編號：

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