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Swift Student Challenge 2025 results not out yet
It's Thursday, March 27th 2025 and I'm living in the UK, I have completed my project and submitted it before February 23rd and got the confirmation email and on March 27th, it says results are out but even after I wait for a long time, I still get the same message: We’ve received your submission. We'll send you an email when results are posted. Even after I come back 16 hours into the day which is 4PM GMT, so I want to know where to see the results anywhere else or if it's just a delay.
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Apr ’25
Xcode-beta project ORSOFINAL: SwiftShims & C99 PCH errors after migration from Xcode stable
Hi all, I’m running into a persistent build issue with my Swift project ORSOFINAL after migrating from Xcode stable to Xcode-beta.app (June 2025 version). ⸻ 💥 Errors displayed: 1. C99 was enabled in PCH file but is currently disabled 2. module file .../ModuleCache.noindex/SwiftShims-AXUM98L131W4...pcm cannot be loaded due to a configuration mismatch with the current compilation 3. missing required module 'SwiftShims' ⸻ 🛠 What I’ve already tried: • xcode-select -s /Applications/Xcode-beta.app/Contents/Developer • Deleted ~/Library/Developer/Xcode/DerivedData, ModuleCache.noindex, Archives, and Products • Ran sudo xcodebuild -runFirstLaunch • Clean Build Folder in Xcode-beta • Verified Command Line Tools setting points to Xcode-beta ⸻ ❓Looking for guidance on: • Whether this is a known bug in Xcode-beta • If SwiftShims/PCM conflicts are expected between versions • Best practices to safely migrate from Xcode stable to beta for Swift-based projects Any advice is much appreciated. Thanks, Mathéo
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Jul ’25
tvOS 26 Bugs – Persistent UI animation issues: app launch stutter, text rendering jumps, shadow jumps, abrupt swipe transitions
Hello :-) I‘m not entirely sure, if I‘m on the correct Place here. But I would like to report some Bugs with tvOS 26 (Beta 6) to the Apple Engineers! Description I am reporting multiple persistent UI animation issues observed in tvOS 26 (Beta 3). These issues have been reproducible across multiple tvOS releases. They are subtle but noticeable, and they affect the overall polish and perceived quality of the system. I am happy to provide high-quality video captures for each of the issues described below. ⸻ Bug #1: App launch animation stutter/jump Summary: The zoom-in animation from a Springboard icon to full-screen app stutters or jumps at the moment the app becomes full screen. Steps to reproduce: 1. On Springboard, select any app icon. 2. Observe the zoom-in animation. Expected result: Smooth, continuous zoom without frame drops or jumps. Actual result: Animation visibly stutters/jumps at the full-screen transition. Possible cause: Timing issue in Core Animation interpolation or abrupt view hierarchy switch. ⸻ Bug #2: Text rendering weight change (“jump”) during transitions Summary: Text inside apps changes visual weight mid-transition from scaled preview to full screen. Steps to reproduce: 1. From Springboard or App Switcher, launch an app with visible text. 2. Observe text during the zoom animation — initially slightly bolder, then thinner once full screen. Also occurs in: • Top Shelf banners in the Dock • App Switcher → full-screen transitions Expected result: Consistent text rendering throughout the transition. Actual result: Visible “pop” in text weight/anti-aliasing during transition. Possible cause: Different rasterization/anti-aliasing mode between preview snapshot (CALayer.contents) and live CoreText/UIKit rendering. ⸻ Bug #3: Focus shadow jumps instead of interpolating smoothly Summary: Shadows around focused UI elements (icons, buttons) change abruptly during focus transitions. Steps to reproduce: 1. Navigate between focusable UI elements on Springboard or in apps. 2. Observe the shadow effects. Expected result: Shadows interpolate smoothly (offset, opacity, radius) during focus transitions. Actual result: Shadows “jump” abruptly, breaking animation smoothness. Possible cause: UIFocusEngine not interpolating shadow parameters consistently. ⸻ Bug #4: Abrupt jumps when swiping horizontally between content items Summary: In horizontally scrollable poster/content rows, focus snaps abruptly instead of scrolling smoothly. Steps to reproduce: 1. In the TV app or any app with horizontal poster rows, swipe left/right. 2. Observe the transition between focused items. Expected result: Smooth horizontal navigation with continuous motion. Actual result: Occasional abrupt snapping/jumping between items. ⸻ Impact While none of these bugs block core functionality, they degrade the premium feel and visual polish of tvOS. They are persistent across releases and occur in core system UI, so they are visible to all users. Note I can provide video recordings for each bug to assist engineering in reproducing and analyzing the issues.
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Sep ’25
Brightness slider UI bug when long-pressed in iOS 26
Hi! I found a UI bug in iOS 26.0 (23A5276f). When you swipe down from the top right to open Control Center and adjust brightness using the slider, everything looks normal. However, if you long-press the brightness slider, the brightness knob detaches from the base. The button becomes smaller while the frame remains the same, making the UI asymmetrical and misaligned. This happens consistently and is clearly a layout issue.
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Jun ’25
Sandbox apple in app purchases not working - Error Domain=AMSErrorDomain Code=305 "Purchase Failed Server canceled the purchase"
<SKPaymentQueue: 0x10629d1b0>: Payment completed with error: Error Domain=ASDErrorDomain Code=500 "(null)" UserInfo={client-environment-type=Sandbox, storefront-country-code=USA, NSUnderlyingError=0x108f15c80 {Error Domain=AMSErrorDomain Code=305 "Purchase Failed Server canceled the purchase" UserInfo={AMSFailureReason=Server canceled the purchase, AMSURL=https://sandbox.itunes.apple.com/WebObjects/MZBuy.woa/wa/inAppBuy?guid=00008030-001E19361A12202E, AMSDescription=Purchase Failed, AMSStatusCode=200, AMSServerPayload={ "cancel-purchase-batch" = 1; customerMessage = "Unable to process your request."; dialog = { defaultButton = ok; explanation = "Please try again later.\n\n[Environment: Sandbox]"; initialCheckboxValue = 1; isFree = 1; "m-allowed" = 0; message = "Unable to process your request."; okButtonString = OK; }; failureType = ""; "m-allowed" = 0; metrics = { actionUrl = "sandbox.itunes.apple.com/WebObjects/MZBuy.woa/wa/inAppBuy"; asnState = 0; dialogId = "MZCommerce.SystemError"; eventType = dialog; message = "Unable to process your re"; mtEventTime = "2025-07-30 07:08:24 Etc/GMT"; mtTopic = "xp_its_main"; options = ( OK ); }; pings = ( ); }, NSDebugDescription=Purchase Failed Server canceled the purchase}}}
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Jul ’25
iOS 18.4 Upgrade Causes Installed Apps to Revert to Older Versions
We have observed an issue where upgrading an iPhone to iOS 18.4 causes installed apps to revert to significantly older versions. For example, if the App Store version is 1.0.284 and the user had 1.0.283 installed before the upgrade, after updating to iOS 18.4, the app version reverts to 1.0.208—which is nearly a year old. We suspect this may be related to iCloud backup restoration. Has Apple encountered similar cases, and is there a known resolution for this issue?
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111
Apr ’25
Box around cursor finger icon
Recently I've noticed that certain cursor actions cause the finger icon to appear with a gray box around it. It appears when I hover over other icons (for example, the menu items at the top of this website; Microsoft Teams options but not MS Word, etc.). Is this new? Is there a way to get rid of the box?
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Which device is used to test Swift Student Challenge submissions?
Hi there, I intend to submit an app playground for the Swift Student Challenge this year. I am currently using the Swift Playgrounds app to develop a playground. Now I understand that when submitting I can choose the option of having my app playground to be tested on Swift Playgrounds on either iPadOS or macOS. But I would also like to know on which screen size is my app going to be tested. Let's say I want my app playground to run on macOS, now is there a way to also select the MacBook model, like 14-inch or 16-inch? This would give the participants a better idea of where the app playground will be tested.
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563
Feb ’25
Mail server connection problem.
Hello, i am currently running iOS 18.4 Public Beta (22E5232a) on an iPhone 16 Pro and i have problems with getting emails in the native mail app. i cannot receive any email from some of my email addresses. there is an “account error“ message that says: “Cannot get mail, The connection to the server failed.” When i enter my password again in settings it works for 1-2 days then stop working. On my iPhone X running iOS 16.7.10 it works perfectly. Only bugs on my iPhone 16 Pro.
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Mar ’25
[DS-U4B1][EVT1]No image output from DP Port after sleep/wake-up.
Problem Description When the Type-C port is connected to an ASUS ROG Swift OLED PG32UCDM monitor set to 3840×2160 @ 120 Hz, and the DP port is connected to a Samsung U28E590D monitor set to 3840×2160 @ 60 Hz, the DP port shows no response and no video output after the system wakes from sleep. The DP monitor is not detected. Reproduction Steps Apple MacBook Pro (14-inch ,2024) connect the DP port to Samsung U28E590D and set the resolution to 3840×2160 @ 60 Hz. Connect the Type-C port to ASUS ROG Swift OLED PG32UCDM and set the resolution to 3840×2160 @ 120 Hz. Put the platform into sleep mode, then wake it up. After wake-up, the DP port has no response and no video output. Bug Description When the Type-C port is connected to an ASUS ROG Swift OLED PG32UCDM at 3840×2160 @ 120 Hz, and the DP port is connected to a Samsung U28E590D at 3840×2160 @ 60 Hz, the DP port fails to output video after system sleep and wake-up, and the monitor is not detected.
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iOS 26 Developer Beta Issues
Hi, I’ve recently installed the iOS 26 DB, and I’m experiencing heating issues on my iPhone. Is there a fix to this? Also, is it a bug or a feature, that I can’t remove certain sections in the Photos app rather than rearranging them. Pls lemme know. Thanks.
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Jun ’25
iOS 26: iPhone will not power on stuck on battery screen
I set iOS 26 to install overnight, put my iPhone 16 Pro on the MagSafe charger, watched it charge just fine, and went to sleep. When I woke up the iPhone showed the “plug into power” dead battery screen. I took it off MagSafe and put it back on. A half hour later the phone was warm but still wouldn’t power on, just showed the battery screen with a little red in it. I took it off MagSafe and plugged it into my iPad charging brick with USB cable to give it more power, still it did not turn on. I tried holding all the buttons to try to force a restart but didn’t work. For anyone else encountering this, do this to enter DFU mode and restore it. I had to do it a few times before I got the timing right. Plug into your Mac and open Finder (or apparently a PC with Apple Devices or iTunes) Press and quickly release volume up Press and quickly release volume down Press and hold right side button When the battery disappears and screen goes black, hold volume down and continue holding side button After a couple seconds release the side button and continue holding volume down A prompt to allow connecting to the iPhone should appear after a couple seconds, click Allow, and it’ll say the iPhone entered DFU mode - proceed to restore the firmware
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Jun ’25