I wanted to rollback a commit. So I shifted to the commit before it. Then I added new commits on the one I switched to, not realising this is not happening on the main branch. Now what do I do? Neerav

Simply opening Simulator app (26.0) causes high CPU usage on macOS Tahoe (26.1). ReportCrash process usage is very high throughout and causes the system to heat up pretty soon. Looking into Console app for the logs found MercuryPosterExtension process is keep on crashing. (Check under Crash Reports) simctl Diagnose https://download.developer.apple.com/OS_X/OS_X_Logs/simctl_Diagnose_Logging_Instructions.pdf Share the Simulator Diagnose report while reporting, Thanks. I have raised a ticket/feedback with Apple. I request all of you to raise one too so this gets fixed soon. Apple Feedback Assistant - FB20985249

Hi there, We’re encountering this error in all of our builds when using the latest Xcode and macOS: The Metal Toolchain was not installed and could not compile the Metal source files. Download the Metal Toolchain from Xcode > Settings > Components and try again. In short, all builds are failing. I’ve tried fixing this by installing Metal and applying other solutions, but none of them worked reliably. Is there a way to ensure that the Metal Toolchain is installed on the CI machine?

In the Swift UI tutorial on the official website of apple developers, https://developer.apple.com/tutorials/swiftui/creating-and-combining-views, Step 2 in Section 2, through Command-Control-click, the full menu in Figure 1 cannot appear, but the style of Figure 2 appears, and the "Show SwiftUI Inspector" option is missing, see Figure 2. Similarly, in Step 6 of Section 2, "Control-clicking on the Text declaration in the code editor", the options in the red box in Figure 3 cannot appear, and It is the style of Figure 4, and all the options in the red box of Figure 3 are missing. There is no one in Show Coding Tooks. I am using Macbook air 2020 M1, macOS is the latest Tahoe 26.1, and the xcode version is 26.1. The project files used in the learning tutorial are downloaded directly from the above link. Thank you very much for your help to a beginner, which is very urgent for me. I look forward to your reply and sincerely thank you again.

I just updated to Xcode 26 and some of my Swift Packages have been getting strange build errors that I have not been able to resolve. When I try to build my Swift Package in Xcode I get the following error Module dependency cycle: 'UIKit.swiftmodule -> .swiftmodule -> SafariServices.swiftmodule -> UIKit.swiftmodule' It seems like it is related to the change in Xcode 26 that states "Swift explicit modules will be the default mode for building all Swift targets". I see that you can disable this with the build setting SWIFT_ENABLE_EXPLICIT_MODULES=NO, but I don't see a way to do this in Package.swift, as you can't include value assignments like this .define("SWIFT_ENABLE_EXPLICIT_MODULES=NO"). Our private SPM repos use CI/CD and so we need to be able to build them independently of any use in a project. I would appreciate any help on fixing our Swift Package builds in Xcode 26, thanks!

As l proceeded through the enrollment/membership. I found the price is fixed for US$99. At the end. What about Renewal. Is there any cost reduction for Apple Developers?

Description: I’m noticing that the code coverage metrics in Xcode 26 are not accurate compared to earlier versions. In Xcode 15, the same set of unit tests shows around 38% coverage, but in Xcode 26, even though all the tests are running successfully (for example, the SegmentedUI test cases), the code coverage is displayed as 0%. Has anyone else observed this behavior in Xcode 26? Is there any known issue, workaround, or configuration change required to get the correct coverage report? Environment: Xcode 26 iOS 18 SDK Unit tests running under XCTest Any insights or suggestions would be appreciated.

Hello everyone, We are currently facing an issue when testing our hybrid mobile application (built with Ionic and Angular) on the iOS Simulator. The app works perfectly on physical iOS devices — all HTTP requests complete successfully. However, when running the same build on the iOS Simulator, every HTTP request fails with the following error: { "headers": { "normalizedNames": {}, "lazyUpdate": null, "headers": {} }, "status": 0, "statusText": "Unknown Error", "url": "https://api.bizify.com.br/demo/api/ping", "ok": false, "name": "HttpErrorResponse", "message": "Http failure response for https://api.bizify.com.br/demo/api/ping: 0 Unknown Error", "error": { "isTrusted": true } } We have confirmed that the API endpoint https://api.bizify.com.br/demo/api/ping is reachable and secured with a valid SSL certificate. This issue occurs only in the iOS Simulator — not on Android devices or physical iOS devices. Has anyone encountered this issue before? Any insights on why the iOS Simulator might be blocking or failing these HTTPS requests — and how we could resolve it — would be greatly appreciated.

When I use Xcode 26 (0.1, 1) for debugging and hit a breakpoint, using "step over" causes the debugger to freeze at a random line of code. Clicking "Pause program execution" indicates that the line is being executed, but the breakpoint never exits, seemingly causing a freeze. The application on the simulator also becomes unresponsive. However, when I do not use breakpoints, my program runs smoothly, and debugging on a physical device does not cause any freezes. This issue only occurs with the simulator. I am using Xcode on Apple Silicon, and due to some third-party SDKs that depend on Rosetta, our app can only run on the Rosetta simulator. We did not encounter this issue when using Xcode 16.x for simulator debugging. The current situation with Xcode 26.x significantly reduces our development efficiency. What could be causing this, and is there a solution?

When following the official SwiftUI Tutorial "Landmarks", I should be able to Cmd-Ctrl-Click an element of a preview in Selectable mode to view a list of options. But Xcode shows only one option (Embed). Furthermore, if I try to type anything the popover breaks completely and grows in length infinitely. I am not sure whether this is a bug, or I missed something when installing Xcode, or both

Hi there, I am new to Xcode26 and dragged my AppIcon.icon (created with Icon Composer) into the project. Then build failed with "Could not locate icontool". Could anyone point me to the cleanest way to solve this? Any help would be appreciated, thanks! CompileAssetCatalogVariant thinned /Users/jaffron/Library/Developer/Xcode/DerivedData/KuuDraft-dsmpyalldiyuusdldnjihwrtzmab/Build/Intermediates.noindex/ArchiveIntermediates/KuuDraft/InstallationBuildProductsLocation/Applications/KuuDraft.app /Users/jaffron/Documents/augment-projects/WalletPin/KuuDraft/AppIcon.icon /Users/jaffron/Documents/augment-projects/WalletPin/KuuDraft/Assets.xcassets (in target 'KuuDraft' from project 'KuuDraft') cd /Users/jaffron/Documents/augment-projects/WalletPin /Applications/Xcode.app/Contents/Developer/usr/bin/actool /Users/jaffron/Documents/augment-projects/WalletPin/KuuDraft/AppIcon.icon /Users/jaffron/Documents/augment-projects/WalletPin/KuuDraft/Assets.xcassets --compile /Users/jaffron/Library/Developer/Xcode/DerivedData/KuuDraft-dsmpyalldiyuusdldnjihwrtzmab/Build/Intermediates.noindex/ArchiveIntermediates/KuuDraft/IntermediateBuildFilesPath/KuuDraft.build/Release-iphoneos/KuuDraft.build/assetcatalog_output/thinned --output-format human-readable-text --notices --warnings --export-dependency-info /Users/jaffron/Library/Developer/Xcode/DerivedData/KuuDraft-dsmpyalldiyuusdldnjihwrtzmab/Build/Intermediates.noindex/ArchiveIntermediates/KuuDraft/IntermediateBuildFilesPath/KuuDraft.build/Release-iphoneos/KuuDraft.build/assetcatalog_dependencies_thinned --output-partial-info-plist /Users/jaffron/Library/Developer/Xcode/DerivedData/KuuDraft-dsmpyalldiyuusdldnjihwrtzmab/Build/Intermediates.noindex/ArchiveIntermediates/KuuDraft/IntermediateBuildFilesPath/KuuDraft.build/Release-iphoneos/KuuDraft.build/assetcatalog_generated_info.plist_thinned --app-icon AppIcon --include-all-app-icons --compress-pngs --enable-on-demand-resources YES --development-region en --target-device iphone --minimum-deployment-target 16.0 --platform iphoneos error: unable to open dependencies file (/Users/jaffron/Library/Developer/Xcode/DerivedData/KuuDraft-dsmpyalldiyuusdldnjihwrtzmab/Build/Intermediates.noindex/ArchiveIntermediates/KuuDraft/IntermediateBuildFilesPath/KuuDraft.build/Release-iphoneos/KuuDraft.build/assetcatalog_dependencies_thinned) (in target 'KuuDraft' from project 'KuuDraft') /* com.apple.actool.notices */ warning: Could not locate icontool.

Hey guys, I updated to macOS Tahoe and after that I tried installing Xcode 26, but I always get an error message saying it can’t complete the installation, both through the App Store and via direct download from Apple’s website. Is anyone else having this same issue?

The operation couldn’t be completed. (IDELanguageModelKit.IDEModelDownloadAdapter.(unknown context at $11f08ab80).DownloadError error 2.) Domain: IDELanguageModelKit.IDEModelDownloadAdapter.(unknown context at $11f08ab80).DownloadError Code: 2 User Info: { DVTErrorCreationDateKey = "2025-11-04 07:58:38 +0000"; } There was an error transferring over the network. Domain: IDELanguageModelKit.IDEModelDownloadAdapter.(unknown context at $11f08ab80).DownloadError Code: 2 System Information macOS Version 15.7.1 (Build 24G231) Xcode 26.1 (24454) (Build 17B55) Timestamp: 2025-11-04T14:58:38+07:00

I have designed a new icon for my app/Tahoe in Icon Composer (launched from within Xcode)but I simply cannot get it to show up. The documentation for Icon Composer spends a lot of time describing how to design the icons but goes distressingly vague/silent on how one might use it. It suggests that I should drag the file to Xcode and it will guide me as to where to put it. The app continues to use the old (pre-Tahoe) icon. I don't get any change of behaviour and I don't know what to name the file. I assume that there are no other settings that I have to change. I can't find anything on the web or in Apple's documentation: maybe I'm missing something obvious! My app is a working NSDocument-based Cocoa project. Any suggestions please. Tahoe 26.0.1, Xcode 26.0.1, Apple M1 Max MBP.

dSYM size became thrice for builds generated via xcode 26 compared to xcode 16. These are all release builds.

Hi, Our organization is planning to build an MDM tool and for that we are in need of an MDM vendor certificate for ourselves. We have already enrolled in Apple Developer Program but still didn't see the MDM CSR option in apple developer portal. Did anyone get the CSR option in your developer portal after enrolling in Apple Developer Program? Please share the steps to enable that option in my developer portal. Or Do we need any other license for availing MDM CSR option ? Any insights on this is much appreciated. Thanks!

According to the documentation for Processor Trace, it should be available on the iPhone 16 or later. Going off of the Optimize CPU performance with Instruments WWDC session, the toggle for it should be under Developer > Performance, but I don’t see this option anywhere on my iPhone 17. I can’t run a Processor Trace in Instruments without this feature turned on, because it claims my iPhone’s CPU is unsupported. Has anyone else managed to enable Processor Trace on the A19 chips?

My App is not compatible with iPhone 15 but can run on iPhone 14 perfectly fine, what could be the problem? I am new to App development.

Using Tensorflow for Silicon gives inaccurate results when compared to Google Colab GPU (9-15% differences). Here are my install versions for 4 anaconda env's. I understand the Floating point precision can be an issue, batch size, activation functions but how do you rectify this issue for the past 3 years? 1.) Version TF: 2.12.0, Python 3.10.13, tensorflow-deps: 2.9.0, tensorflow-metal: 1.2.0, h5py: 3.6.0, keras: 2.12.0 2.) Version TF: 2.19.0, Python 3.11.0, tensorflow-metal: 1.2.0, h5py: 3.13.0, keras: 3.9.2, jax: 0.6.0, jax-metal: 0.1.1,jaxlib: 0.6.0, ml_dtypes: 0.5.1 3.) python: 3.10.13,tensorflow: 2.19.0,tensorflow-metal: 1.2.0, h5py: 3.13.0, keras: 3.9.2, ml_dtypes: 0.5.1 4.) Version TF: 2.16.2, tensorflow-deps:2.9.0,Python: 3.10.16, tensorflow-macos 2.16.2, tensorflow-metal: 1.2.0, h5py:3.13.0, keras: 3.9.2, ml_dtypes: 0.3.2 Install of Each ENV with common example: Create ENV: conda create --name TF_Env_V2 --no-default-packages start env: source TF_Env_Name ENV_1.) conda install -c apple tensorflow-deps , conda install tensorflow,pip install tensorflow-metal,conda install ipykernel ENV_2.) conda install pip python==3.11, pip install tensorflow,pip install tensorflow-metal,conda install ipykernel ENV_3) conda install pip python 3.10.13,pip install tensorflow, pip install tensorflow-metal,conda install ipykernel ENV_4) conda install -c apple tensorflow-deps, pip install tensorflow-macos, pip install tensor-metal, conda install ipykernel Example used on all 4 env: import tensorflow as tf cifar = tf.keras.datasets.cifar100 (x_train, y_train), (x_test, y_test) = cifar.load_data() model = tf.keras.applications.ResNet50( include_top=True, weights=None, input_shape=(32, 32, 3), classes=100,) loss_fn = tf.keras.losses.SparseCategoricalCrossentropy(from_logits=False) model.compile(optimizer="adam", loss=loss_fn, metrics=["accuracy"]) model.fit(x_train, y_train, epochs=5, batch_size=64)

Is it still possible to download "Additional Tools for Xcode" from anywhere? All the links I can find redirect back to the accounts page: https://developer.apple.com/account Where there is no obvious path forward.