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Reply to How does Xcode26.3 Agent know about the API Documentation for non Apple Intelligence
XcodeRead - Read files from the project XcodeWrite - Write files to the project XcodeUpdate - Edit files with str_replace-style patches XcodeGlob - Find files by pattern XcodeGrep - Search file contents XcodeLS - List directory contents XcodeMakeDir - Create directories XcodeRM - Remove files XcodeMV - Move/rename files BuildProject - Build the Xcode project GetBuildLog - Get build output RunAllTests - Run all tests RunSomeTests - Run specific tests GetTestList - List available tests XcodeListNavigatorIssues - Get Xcode issues/errors XcodeRefreshCodeIssuesInFile - Get live diagnostics ExecuteSnippet - Run code in a REPL-like environment RenderPreview - Render SwiftUI previews as images DocumentationSearch - Search Apple docs and WWDC videos XcodeListWindows - List open Xcode windows The above is a list of MCPTools exposed by Xcode. Im am interested in the DocumentationSearch Tool . Here Xcode is able to search only Apple Docs. Lets say i am using
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Reply to MacOS(Apple Silicon) IOKit driver for FPGA DMA transmission, kernel panic.
It seems that the DMA request address initiated by FPGA exceeded 32 bits, which was intercepted by PCIe root port and resulted in a kernel panic.This is also the case on macOS (M2). Please file a bug on this, upload the full panic report there, and then post the bug number back her. I'd like to get a clearer picture of what actually failed. I'm also a bit confused by this point: It seems that the DMA request address initiated by FPGA exceeded 32 bits, That address should have come from your driver, so how did it exceed 32 bits? All of our APIs for retrieving a bus address should either provide an address that meets your specification or fail entirely. More to the point, even if they some how did return a larger address, why/how would your driver have written a larger address when it was only prepared to handle a 32 bit address? Next, the big question is how much memory are you actually trying to map? And have you done any experimentation with smaller mappings? __ Kevin Elliott DTS Engineer, CoreOS/Ha
Topic: App & System Services SubTopic: Drivers Tags:
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Reply to filecopy fails with errno 34 "Result too large" when copying from NAS
This doesn't make sense to me... In brief, compressed files were implemented by: Compressing the file’s contents. Storing that data in the resource fork. Adding a file flag (UF_COMPRESSED) which tells the VFS layer this file is compressed. The VFS layer then checks for files with the UF_COMPRESSED flag. When it sees that flag: It hides the resource fork from most/some API layers. When the file is opened, it decompresses the contents returning them as if it were a normal file. That last point means that a copy engine that's unaware that a file is compressed: cp decompressed the file, which ended up stripping the xattrs …ends up automatically decompressing it. Reordering things a bit: That I can only reproduce it when at the other end of the SMB connection there is a Mac, or if the volume at the other end is formatted APFS? Yes and no. The problem here is that the full range of SMB servers is EXTREMELY large and diverse. Similarly,
Topic: App & System Services SubTopic: Core OS Tags:
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Reply to How does Xcode26.3 Agent know about the API Documentation for non Apple Intelligence
Thanks for the post, can you provide more information about what you are trying to accomplish? Guessing to create your own documentation files? There are many 3rd party solutions for creating documentation out there, Xcode’s built-in documentation viewer and support are primarily tailored to Apple’s own frameworks. 
I believe that if your SDK includes HTML documentation stored locally or hosted on a server, you can add a custom entry in Xcode → Preferences → Locations → Documentation to point to your documentation URL. This won’t integrate with Quick Help but will allow you to browse the docs via Xcode’s browser view? But I am not completely positive how to do that in latest versions of Xcode. Any HTML documentation can be browsed using a local browser. Xcode does not currently expose public APIs to connect to custom MCP (Web Service Discovery) servers for API documentation. The Claude settings you mentioned are unrelated to Xcode’s documentation capabilities and cannot be used to modify how Xcode in
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Reply to System Panic with IOUserSCSIParallelInterfaceController during Dispatch Queue Configuration
Part 2... Does this indicate a specific alignment restriction, memory fragmentation, or a resource conflict on Apple Silicon? No, I don't think anything like that is going on. Synchronization for Memory Visibility: To ensure that the virtual address mapping established in UserMap... is globally visible across all CPU cores and execution contexts before the kernel issues the first Bundled Task, are there recommended synchronization primitives or Memory Barrier calls? No, I don't think any special synchronization is required. If you're tracking the buffer through a direct pointer, then the relative gap between UserMapBundledParallelTaskCommandAndResponseBuffers and the first possible call to BundledParallelTaskCompletion is so large that any kind of synchronization is unnecessary. This is also a fine reason to not bother holding/freeing the IOMemoryMap— if you never free your buffer pointer, then its values will only EVER be NULL (uninitialized) or its valid value (post initialized). The more I think about this
Topic: App & System Services SubTopic: Drivers Tags:
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Reply to UITab memory leak
Hello Moff, Thanks for the investigation into this issue. This appears to be something for further investigation by the appropriate engineering team. Can you please create a bug report via Feedback Assistant that includes your sample application? Once you open the bug report, please post the FB number here for my reference. If you have any questions about filing a bug report, take a look at Bug Reporting: How and Why? Thanks for your due diligence, Richard Yeh  Developer Technical Support
Topic: UI Frameworks SubTopic: UIKit
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Reply to Seeing resources from another app in same Xcode project
Thanks for filing this, looks like still has the new fresh bug smell and has not being assigned to the correct team as well as the zip file you mentioned with the focused project isn't there. Make sure you upload that file, if you already have, let's give it sometime to show up. You can see the status of your feedback in Feedback Assistant. There, you can track if the report is still being investigated, has a potential identifiable fix, or has been resolved in another way. The status appears beside the label Resolution. We're unable to share any updates on specific reports on the forums. For more details on when you'll see updates to your report, please see What to expect after submission. Thanks for providing this, let's give the team sometime to review what you have sent. Albert Pascual
  Worldwide Developer Relations.
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Reply to Error: Invalid call to browser.storage.local.set(). Disk I/O error.
Our engineering teams need to investigate this issue, as resolution may involve changes to Apple's software. Please file a bug report, include a small Xcode project and some directions that can be used to reproduce the problem, and post the Feedback number here once you do. I'll check the status next time I do a sweep of forums posts where I've suggested bug reports and post any information about changes I am able to share to this thread. Bug Reporting: How and Why? has tips on creating your bug report.
Topic: Safari & Web SubTopic: General Tags:
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Reply to Are there workarounds for these bugs in Xcode?
Thanks for the post. Do you have FB numbers for those 2 bugs you are referring to? If you haven't file a bug, I would recommend first to create a simple sample project showing the issue and post it here. That'll help us better understand what's going on. If you're not familiar with preparing a test project, take a look at Creating a test project. Thanks! Albert Pascual
  Worldwide Developer Relations.
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Impossible to Complete Developer Enrollment or Get Support
I started developer enrollment a few weeks ago. My enrollment is stuck. I have received emails from Apple reminding me to upload the documents that were requested but I never got the original email that told me what documents were being requested so I don't know what I'm supposed to upload. I went to the developer.apple.com support page to request a Call Me and when I click the button I get a red error message that says: There was a problem processing your request. so then I go to Send Us a Message and I receive This email address isn't valid. To update your email address, visit account.apple.com. and, of course, it IS a valid email address and it is the address I have on file. So, then I called Apple Support and asked if they could, at the very least, put in a Call Me request on my behalf but they said they can't. I have replied to the emails asking me for information but received no response or acknowledgement. The system won't let me request a call and or send a message, Apple support can't even t
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Reply to Copyright infringement in an app distributed long-term via TestFlight
You may want to ask a search engine about 'iPhone app how to report copyright infringement claim to apple.' I reach the following URL at Apple, Inc. Meanwhile, I had a desktop application that worked with PDF files. And an Adobe representative contacted THE company telling them that my application's icon was similar to their. I never knew what their icon looked like because a search engine gave different versions. Anyway, I didn't want trouble. So I proceeded to remove the application from the store. After removing the application from the store, I told THE company that I had. The case was therefore closed.
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Orange menu bar icon that won't go away
I have filed bug reports on this to no avail, so I am bringing it up here hoping someone at Apple will address this. Since the first beta of 26.3, with voice control enabled there are now two icons in the menu bar (*plus an orange dot in full screen) that never go away. That orange microphone isn't serving its intended purpose to notify me that something is accessing my microphone if it is always displayed. I use voice control extensively, so it is nearly always on. In every prior version of macOS, the orange icon was not on for voice control. Even if voice control is not listening but simply enabled in system settings, the orange icon will be there. And there is no need for this icon to be on for a system service that is always listening. This orange icon in the menu bar at all times is incredibly irritating, as it takes up valuable space to the right of the notch, and causes other actual useful menu bar items to be hidden. As well, if some other application on my system were to turn on the mic and
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