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While I am not new to programming, I am quite new to the Swift language. I am using the Swift Playground app on macOS 26 on an M1 MacBook Air. I am on the lesson about types. Perhaps it's a silly question, but what is a portal? It is never described or pointed out where to find it in the puzzle world. Similarly, the instructions reference a switch object without ever defining what it is. I cannot write code to call methods or set properties on objects about which I have no useful information. Can anyone advise, please? Thank you kindly.

Crashlog-0916-071225.log I have an app that crashes on OSX 26 only. I have a @StateObject which is an observer of the NSColorPanel. When I call let panel = NSColorPanel.shared in init(), SwiftUI will crash - apparently with an update while view is being updated. See crash log. I was able to work around it by adding let _ = NSColorPanel.shared in my AppDelegate before SwiftUI is initialized. The exact code worked fine in all previous OSX versions.

I recently updated to macOS sequoia 15.6 Afterward, I updated to Xcode 26 The project I've been running for the last couple years no longer compiles on existing simulators and doesn't build to a physical device. I'm getting an error I'm not familiar with and have no idea how to directly resolve it: The specific error is 'Command SwiftGeneratePch failed with a nonzero exit code' Looking up this issue via Google, there wasn't really a lot of information on this particular build failure. Most suggestions were to change the location of the Derived Data folder (Xcode -> File -> Project Settings -> update location of derived data from default to relative) This was one of the only actionable solutions I found online but this doesn't fully address the issue for me, it just creates a new issue: Command PhaseScriptExecution failed with a nonzero exit code I feel like with enough digging around I should be able to find a solution to the PhaseScriptExecution issue; there seems to be a decent am

The main problem here is that sometimes the snippet view has black text on a black background and it is unreadable. To see what might be affecting this: I tried checking the colorscheme enviroment value via @Environment(.colorScheme) in my view. This usually returns the correct device light/dark mode, however it returns incorrect after device restarts or app is updated. In order to correct this, user must toggle light/dark mode in device settings. I also tried checking UITraitCollection.current.userInterfaceStyle in the perform() function of my AppIntent. This also usually returns the correct value, but does not after user toggles light/dark mode in device settings. In order to correct this, user must open the app. The idea with checking these variables was that if one always returned the correct mode, I could set the text to the correct color instead of using .primary. Neither value seems to be 100% accurate and they fail in opposite situations. Color.primary seems to align with the colorscheme envi

I've instilled Tahoe and Xcode 26(17A324) and the combination is virtually unusable, particularly the latter I'm no longer able to build projects reliably. My workflow is completely disrupted by a spinning beach ball so just a warning that you might want to delay until taking the plunge as I should have done. Fortunately, I have a back sequoia machine I can use instead.

I'm getting an error writing a ciImage as a heif image: // Create CIImage directly from pixel buffer let ciImage = CIImage(cvPixelBuffer: pixelBuffer, options: [CIImageOption.properties: combinedMetadata]) // Write HEIC synchronously do { try ciContext.writeHEIFRepresentation(of: ciImage, to: url, format: .RGBA8, colorSpace: colorSpace) The error I'm getting is: Error Domain=CINonLocalizedDescriptionKey Code=3 (null) UserInfo={CINonLocalizedDescriptionKey=failed to write HEIC data to file., NSUnderlyingError=0x11b1a1ec0 {Error Domain=CINonLocalizedDescriptionKey Code=10 (null) UserInfo={CINonLocalizedDescriptionKey=failed to add image to the PhotoCompressionSession.}}} Both try ciContext.writeJPEGRepresentation(of: copiedCIImage, to: url, colorSpace: colorSpace, options: options) and try ciContext.writePNGRepresentation(of: copiedCIImage, to: url, format: .RGBA8, colorSpace: colorSpace) work. I also verified that the code works with iOS 18. Is there something new we need to do for Heif images? Thanks

Hi everyone - I'm seeing an issue specifically on iOS26 where we instantiate a few storyboard items programmatically and pull their restoration identifier. On iOS26, these identifiers are null and cause a crash, but the assignments are on the storyboard and there has been no change to that logic. On iOS 18, for example, there is no crash and the identifiers are pulled properly. Anybody else seeing this?