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TDecorationRun::CalculateGlyphIntersections(CGAffineTransform, TRun const&, double, double, std::__1::function<void (double, double)> const&) const + 1704
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TDecorationRun::CalculateGlyphIntersections(CGAffineTransform, TRun const&, double, double, std::__1::function<void (double, double)> const&) const + 1440
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void TDecorationRun::DrawDecorationRun<(anonymous namespace)::TRunAdapter>(CGContext*, (anonymous namespace)::TRunAdapter, (anonymous namespace)::TRunAdapter, double)::'lambda'(CGPoint, CGPoint)::operator()(CGPoint, CGPoint) const + 508
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TDecorator::DrawDecoration(TLineDrawContext const&, TLine const&, TInlineVector<DecorationOverride, 30ul> const*) + 2356
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TLine::DrawUnderlines(CGContext*) const + 104
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TLine::DrawGlyphs(CGContext*) const + 292
Delve into the world of built-in app and system services available to developers. Discuss leveraging these services to enhance your app's functionality and user experience.
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Dear Girls, Guys and Engineers.
I'm currently building a Home Network Scanner App for People which want to know which Bonjour Devices are in her/his Home Network environment. From an older Question I got the answer, that I need an Entitlement to do this.
I started to work on the App and requested the Multicast Entitlement from Apple. They gave me the Entitlement for my App and now I'm trying to discover all devices in my Home Network but I got stuck and need Help.
I only test direct on device, like the recommendation. I also verified that my app is build with the multicast entitlement there where no problems. My problem is now, that is still not possible to discover all Bonjour services in my Home Network with the Help of the NWBrowser.
Can you please help me to make it work ?
I tried to scan for the generic service type:
let browser = NWBrowser(for: .bonjour(type: "_services._dns-sd._udp.", domain: nil), using: .init())
but this is still not working even tough I have the entitlement and the app was verified that the entitlement is correctly enabled
if I scan for this service type, I got the following error:
[browser] nw_browser_fail_on_dns_error_locked [B1] Invalid meta query type specified. nw_browser_start_dns_browser_locked failed: BadParam(-65540)
So what's the correct way now to find all devices in the home network ?
Thank you and best regards
Vinz
Problem :
Connection error occurs in iOS26 beta while connecting to the device's softap via commercial app (Socket exception errSSLfeerBadCert CFSreamErrorDomainSSL code -9825).
iOS 18 release version does not occur.
Why does it cause problems? Does the iOS 26 version not cause problems? Is there a way to set it up in the app so that the iOS 26 beta doesn't cause problems?
error :
"alias":"SOCKET_LOG",
"additional":{"currentNetworkStatus":"socket e=errSSLPeerBadCert ns WifiStatus: Connected Error Domain kCFStreamErrorDomainSSL Code-9825 "(null)"
UserInfo={NSLocalizedRecoverySuggestion=Error code definition can be found in Apple's SecureTransport.h}
Description :
It's an issue that happens when you connect our already mass-produced apps to our home appliances (using SoftAP), and it's currently only happening in iOS 26 beta. This particular issue didn't appear until iOS 18 version.
Let me know to make sure that this issue will persist with the official release of iOS 26?
If the issue continues to occur with the official version, would you share any suggestions on how to mitigate or avoid it.
Also, it would be helpful to find out if there are known solutions or processes such as exemptions to fix this issue.
Recently, we have observed that after upgrading to OS 15.4.1, some devices are experiencing network issues.
We are using a Network Extension with a transparent app proxy in our product. The user encounters this issue while using our client, but the issue persists even after stopping the client app.
This appears to be an OS issue.
Below is the sytem logs.
In the system logs, it says [C669.1 Hostname#546597df:443 failed transform (unsatisfied (No network route), flow divert agg: 2)] event: transform:children_failed @0.001s
In scutil --dns, it says not reachble.
DNS configuration
resolver #1
flags :
reach : 0x00000000 (Not Reachable)
resolver #2
domain : local
options : mdns
timeout : 5
flags :
reach : 0x00000000 (Not Reachable)
order : 300000
resolver #3
domain : 254.169.in-addr.arpa
options : mdns
timeout : 5
flags :
reach : 0x00000000 (Not Reachable)
order : 300200
resolver #4
domain : 8.e.f.ip6.arpa
options : mdns
timeout : 5
flags :
reach : 0x00000000 (Not Reachable)
order : 300400
resolver #5
domain : 9.e.f.ip6.arpa
options : mdns
timeout : 5
flags :
reach : 0x00000000 (Not Reachable)
order : 300600
resolver #6
domain : a.e.f.ip6.arpa
options : mdns
timeout : 5
flags :
reach : 0x00000000 (Not Reachable)
order : 300800
resolver #7
domain : b.e.f.ip6.arpa
options : mdns
timeout : 5
flags :
reach : 0x00000000 (Not Reachable)
order : 301000
We need to restart the system to recover from the issue.
Prerequisite: After the MDM APP issues the command, the camera on the phone is no longer visible (unusable).
After upgrading to iOS 26.1, the isSourceTypeAvailable: UIImagePickerControlSourceTypeCamera method keeps returning true when the camera is unavailable.
The isSourceTypeAvailable: UIImagePickerControlSourceTypeCamera method on iOS 26.0.1 is normal, returning false when the camera is unavailable and true when it is available.
I download SampleEndpointApp, and config signing&capabilities->team as my developer Id. Xcode created a profile of bundle identifier automatically. However the project build still failed for sign.
What's the reason for that? How can I resolve it?
Hi everyone,
I’ve filed a Feedback report (FB20986470) for a serious issue affecting the Call Directory database when add phone numbers for call blocking.
When adding blocking numbers to a Call Directory extension, the system’s CallKit database (/private/var/mobile/Library/CallDirectory/CallDirectory.db) becomes corrupted.
The reload call (reloadExtensionWithIdentifier) fails with error code 11 when the system tries to insert blocking entries, and the Console app on macOS shows the following errors:
database corruption page 2265525 of /private/var/mobile/Library/CallDirectory/CallDirectory.db at line 81343 of [f0ca7bba1c]
database corruption at line 79387 of [f0ca7bba1c]
Error Domain=com.apple.callkit.database.sqlite Code=11 "sqlite3_step for query 'INSERT INTO PhoneNumberBlockingEntry (extension_id, phone_number_id) VALUES (?, (SELECT id FROM PhoneNumber WHERE (number = ?))), (?, (SELECT id FROM PhoneNumber WHERE (number = ?))),...)'"
After this happens, CallKit becomes fully corrupted on the device and no further numbers can be added, even after:
Disabling and re-enabling the extension
Restarting the device (either force or soft restart)
Reinstalling the app
Waiting for a couple of minutes after this issue happens (that CallKit could possibly self-recovered)
I also tested other call-blocking apps, and they all fail with the same error. The only thing that recovers the system is a full “Reset All Settings.”
This issue has been reported by many users of my app, across multiple iOS versions and devices.
Similar related issue reported by another developer:
https://developer.apple.com/forums/thread/806129
Steps to Reproduce:
Enable the Call Directory extension from a call-blocking app.
Add and reload blocking numbers (a few thousand entries).
Perform multiple reloads between additions.
Check the Console, the corruption errors appear.
From this point, all insert attempts fail system-wide.
Expected Result:
Entries should be inserted successfully, or the system should self-recover without persistent corruption.
Actual Result:
sqlite3_step fails with Code=11, and the Call Directory database remains corrupted until the user resets all settings.
Additional Notes:
All numbers are sorted and deduplicated before insertion.
Happens intermittently after multiple reloads.
The system log always shows internal database failure.
Environment:
Device: iPhone 16 Plus
iOS 18.2 Beta (23C5027f)
Xcode 16.1 (17B55)
Attachments (included in Feedback FB20986470):
sysdiagnose captured immediately after the failure (with Phone app General Profile)
It seems like a system-level corruption affecting all Call Directory extensions once it occurs.
The documentation specifies that when Contacts framework returns unified contacts that each fetched unified contact object (CNContact) has its own unique identifier that’s different from any individual contact’s identifier in the set of linked contacts and that when refetching a unified contact, that this identifier should be used.
There is also an analogous identifier within the list of contactRelations, but each of these don't seem to corespondent to the unified contacts. For example, is a new contact (Sheryl Zakroff) is created in the simulator Contacts and their spouse is set to Hank Zakroff. However, the GUID created for the contactRelations identifier does not correlate to the original Hank Zakroff GUID and cannot be searched.
Is this a bug or what is the indent of the contactRelations identifier?
Here's a debug output of walking the unifiedContacts:
Name: Hank Zakroff
2E73EE73-C03F-4D5F-B1E8-44E85A70F170
- Other : (555) 766-4823
- Other : (707) 555-1854
Name: David Taylor
E94CD15C-7964-4A9B-8AC4-10D7CFB791FD
- Other : 555-610-6679
Name: Sheryl Zakroff
DE783BC8-7917-4138-93F6-3AF0FD4CE083
- Other : (707) 555-1854
- Spouse: <CNContactRelation: 0x60000000dd60: name=Hank M. Zakroff>
- 534B467D-CA00-46D3-897C-16EEA782C9CF
- Looking for ["534B467D-CA00-46D3-897C-16EEA782C9CF"]
[]
AppleScript for the Music app no longer supports the current track event. Before macOS Tahoe, running the following script in Script Editor would return the current track information:
tell application "Music"
return name of current track
end tell
However, when I run this script on a device with macOS 26 Tahoe, I receive this error:
"Result: error "Music got an error: Can’t get name of current track." number -1728 from name of current track”
I've tested this extensively, and here are my findings:
Going to the “songs” tab and playing something from there makes everything work.
Playing any song directly will make it work with current track UNLESS this song is NOT in your Music library (either added through Apple Music or uploaded).
If you play a song not in your library, current track is not updated even if you clicked on it specifically.
Playing an album (in your library obviously) makes all the tracks within it appear in current track until autoplay takes over.
Any autoplayed track won’t appear in current track even if in your library (unless: see the last bulletpoint)
Music played through the “songs” tab all appear in current track even if autoplay kicks in. I assume this is because this tab is an iTunes legacy (visually and under the hood) and doesn’t use the modern autoplay. This tab also won’t play non-library songs unlike the “albums” tab which seems to use the correct autoplay and suffers the same symptoms as the “recently added”, “home”, “radio”, etc… tabs.
Is this a bug, or has Apple simply deprecated this functionality?
Hi,
After the release of macOS Tahoe 26.2. We are seeing memory leaks if our Network Protection Extension is used alongside the Apple Built In Firewall, a second Security Solution that does Network Protection and a VPN. Our NEXT, socketfilterfw and the other security solution consume instead of a few MB of Memory now multiple Gigabytes of Memory. This issue started with the public release of macOS Tahoe 26.2, this issue was not present in earlier versions of macOS and the same set of Software. Just testing our solution by itself will not show this behavior. I unfortunately can't try to reproduce the issue on my test device that runs the latest 26.3 beta as I do not have the third party software installed there and I can't get it.
Our Network extension implements depending on the license and enabled features:
NEFilterDataProvider
NEDNSProxyProvider
NETransparentProxyProvider
For all man in the middle Use Cases we are using Network Framework, to communicate with the peers. And leaks suggest that the there is a memory leak within internals of the Network Framework.
Here is a shortened sample of the leaks output of our Network extension. However, the third party NEXT does show the same leaks.
More details can be found on the Feedback with the ID FB21649104
snippet is blocking post? sensitive language
Does anyone see similar issues or has an idea what could cause this issue, except a regression of the Network.framework introduced with macOS Tahoe 26.2?
Best Regards,
Timo
There are multiple report of crashes on URLConnectionLoader::loadWithWhatToDo. The crashed thread in the stack traces pointing to calls inside CFNetwork which seems to be internal library in iOS.
The crash has happened quite a while already (but we cannot detect when the crash started to occur) and impacted multiple iOS versions recorded from iOS 15.4 to 18.4.1 that was recorded in Xcode crash report organizer so far.
Unfortunately, we have no idea on how to reproduce it yet but the crash keeps on increasing and affect more on iOS 18 users (which makes sense because many people updated their iOS to the newer version) and we haven’t found any clue on what actually happened and how to fix it on the crash reports. What we understand is it seems to come from a network request that happened to trigger the crash but we need more information on what (condition) actually cause it and how to solve it.
Hereby, I attach sample crash report for both iOS 15 and 18.
I also have submitted a report (that include more crash reports) with number: FB17775979.
Will appreciate any insight regarding this issue and any resolution that we can do to avoid it.
iOS 15.crash
iOS 18.crash
Our app uses a 24-hour DeviceActivityMonitor repeating schedule to send users notifications for every hour of screen time they spend on their phone per day. Notifications are sent from eventDidReachThreshold callbacks at 1, 2, 3, etc, hour thresholds to keep them aware of their screen time.
We have recently received an influx of emails from our users that after updating to iOS 17.6.1 their DeviceActivityMonitor notifications are saying their screen time was much higher than what is shown in DeviceActivityReport and their device's Screen Time settings.
These users have disabled "Share Across Devices" - but I suspect the DeviceActivityMonitor is still getting screen time from their other devices even though that setting is turned off.
Has anybody else noticed this, understands what is causing this, or could recommend a fix that we can tell our users to do?
iPhone 12 pro with iOS 26.0 (23A5276f)
App: https://developer.apple.com/documentation/wifiaware/building-peer-to-peer-apps
We aim to use Wi-Fi Aware to establish file transfer between Android and Apple devices.
Apple will act as the Publisher, and Android will act as the Subscriber.
According to the pairing process outlined in the Wi-Fi Aware protocol (Figure 49 in the Wi-Fi Aware 4.0 specification), the three PASN Authentication frames have been successfully exchanged. Subsequently, Android sends the encrypted Follow-up PMF to Apple, but the Apple log shows: Failed to parse event. Please refer to the attached complete log.
We request Apple to provide a solution.
apple Log-20250808a.txt
I have a watchOS app with a connected iOS app using Swift and SwiftUI. The watchOS app should read heart rate date in the background using HKOberserQuery and enableBackgroundDelivery(), send the data to the iPhone app via WCSession. The iPhone app then sends the data to a Firebase project.
The issue I am facing now it that the app with the HKObserverQuery works fine when the app is in the foreground, but when the app runs in the background, the observer query gets triggered for the first time (after one hour), but then always get terminated from the watchdog timeout with the following error message:
CSLHandleBackgroundHealthKitQueryAction scene-create watchdog transgression: app<app.nanacare.nanacare.nanaCareHealthSync.watchkitapp((null))>:14451 exhausted real (wall clock) time allowance of 15.00 seconds
I am using Xcode 16.3 on MacOS 15.4
The App is running on iOS 18.4 and watchOS 11.4
What is the reason for this this issue? I only do a simple SampleQuery to fetch the latest heart rate data inside the HKObserverQuery and then call the completionHandler. The query itself takes less than one second.
Or is there a better approach to read continuously heart rate data from healthKit in the background on watchOS? I don't have an active workout session, and I don't need all heart rate data. Once every 15 minutes or so would be enough.
I am pretty sure iOS 13.4 (beta and later) did support Coded PHY (Long Range). Tested devices are iPhone SE2 and iPhone 11 Pro.
However, it seems iOS 14 removed the support of Coded PHY, accidentally or on purpose, I don't know?
The same PHY update request returns "1M PHY" in iOS 14, but "Coded PHY" in iOS 13 (13.4 beta and later).
Anyone knows why?
Samson
I have been working on updating an old app that makes extensive use of Objective-C's NSTask. Now using Process in Swift, I'm trying to gather updates as the process runs, using readabilityHandler and availableData. However, my process tends to exit before all data has been read. I found this post entitled "Running a Child Process with Standard Input and Output" but it doesn't seem to address gathering output from long-running tasks. Is there a straightforward way to gather ongoing output from a long running task without it prematurely exiting?
Topic:
App & System Services
SubTopic:
Processes & Concurrency
Tags:
Foundation
Inter-process communication
I implemented a Network Extension in the macOS, use NETransparentProxyProvider. After installing and enabling it, I implemented a UDP client to test its. I found that the UDP client failed to send the data successfully (via sendto, and it returned a success), and when using Wireshark to capture the network data packet, I still couldn't see this UDP data packet.
The code for Network Extension is like this:
@interface MyTransparentProxyProvider : NETransparentProxyProvider
@end
@implementation MyTransparentProxyProvider
- (void)startProxyWithOptions:(NSDictionary *)options completionHandler:(void (^)(NSError *))completionHandler
{
NETransparentProxyNetworkSettings *objSettings = [[NETransparentProxyNetworkSettings alloc] initWithTunnelRemoteAddress:@"127.0.0.1"];
// included rules
NENetworkRule *objIncludedNetworkRule = [[NENetworkRule alloc] initWithRemoteNetwork:nil
remotePrefix:0
localNetwork:nil
localPrefix:0
protocol:NENetworkRuleProtocolAny
direction:NETrafficDirectionOutbound];
NSMutableArray<NENetworkRule *> *arrIncludedNetworkRules = [NSMutableArray array];
[arrIncludedNetworkRules addObject:objIncludedNetworkRule];
objSettings.includedNetworkRules = arrIncludedNetworkRules;
// apply
[self setTunnelNetworkSettings:objSettings completionHandler:
^(NSError * _Nullable error)
{
// TODO
}
];
if (completionHandler != nil)
completionHandler(nil);
}
- (BOOL)handleNewFlow:(NEAppProxyFlow *)flow
{
if (flow == nil)
return NO;
char szProcPath[PROC_PIDPATHINFO_MAXSIZE] = {0};
audit_token_t *lpAuditToken = (audit_token_t*)flow.metaData.sourceAppAuditToken.bytes;
if (lpAuditToken != NULL)
{
proc_pidpath_audittoken(lpAuditToken, szProcPath, sizeof(szProcPath));
}
if ([flow isKindOfClass:[NEAppProxyTCPFlow class]])
{
NWHostEndpoint *objRemoteEndpoint = (NWHostEndpoint *)((NEAppProxyTCPFlow *)flow).remoteEndpoint;
LOG("-MyTransparentProxyProvider handleNewFlow:] TCP flow! Process: (%d)%s, %s Remote: %s:%s, %s",
lpAuditToken != NULL ? audit_token_to_pid(*lpAuditToken) : -1,
flow.metaData.sourceAppSigningIdentifier != nil ? [flow.metaData.sourceAppSigningIdentifier UTF8String] : "",
szProcPath,
objRemoteEndpoint != nil ? (objRemoteEndpoint.hostname != nil ? [objRemoteEndpoint.hostname UTF8String] : "") : "",
objRemoteEndpoint != nil ? (objRemoteEndpoint.port != nil ? [objRemoteEndpoint.port UTF8String] : "") : "",
((NEAppProxyTCPFlow *)flow).remoteHostname != nil ? [((NEAppProxyTCPFlow *)flow).remoteHostname UTF8String] : ""
);
}
else if ([flow isKindOfClass:[NEAppProxyUDPFlow class]])
{
NSString *strLocalEndpoint = [NSString stringWithFormat:@"%@", ((NEAppProxyUDPFlow *)flow).localEndpoint];
LOG("-[MyTransparentProxyProvider handleNewFlow:] UDP flow! Process: (%d)%s, %s LocalEndpoint: %s",
lpAuditToken != NULL ? audit_token_to_pid(*lpAuditToken) : -1,
flow.metaData.sourceAppSigningIdentifier != nil ? [flow.metaData.sourceAppSigningIdentifier UTF8String] : "",
szProcPath,
strLocalEndpoint != nil ? [strLocalEndpoint UTF8String] : ""
);
}
else
{
LOG("-[MyTransparentProxyProvider handleNewFlow:] Unknown flow! Process: (%d)%s, %s",
lpAuditToken != NULL ? audit_token_to_pid(*lpAuditToken) : -1,
flow.metaData.sourceAppSigningIdentifier != nil ? [flow.metaData.sourceAppSigningIdentifier UTF8String] : "",
szProcPath
);
}
return NO;
}
@end
The following methods can all enable UDP data packets to be successfully sent to the UDP server:
1.In -[MyTransparentProxyProvider startProxyWithOptions:completionHandler:], add the exclusion rule "The IP and port of the UDP server, the protocol is UDP";
2.In -[MyTransparentProxyProvider startProxyWithOptions:completionHandler:], add the exclusion rule "All IPs and ports, protocol is UDP";
3.In -[MyTransparentProxyProvider handleNewFlow:] or -[MyTransparentProxyProvider handleNewUDPFlow:initialRemoteEndpoint:], process the UDP Flow and return YES.
Did I do anything wrong?
Is there any recent and a bit authoritative documentation which explains how to debug recent versions of macos kernel?
I have found some blog posts from other users but those are either outdated or don't work for some other reason. I am guessing kernel debugging is pretty common for developers working on macos itself, so I'm hoping someone in this forum would have some working instructions for that.
Updated version of this post
My HomePod mini is now on version 16.4, so the the temperature and humidity sensors are enabled. The data properly shows up in the Home app on my various devices.
In my HomeKit iPad app running on Mac Catalyst, however, the data does not show up. I would expect the HomePod mini to show up in HMHome.accessories with a service of type HMServiceTypeTempatureSensor. I see all of my other HomeKit accessories, just not the HomePod mini.
I have tried with the latest Xcode (14.3) and highest available iOS Target and Minimum Deployment (16.4), macOS version 13.3. I have not, as of this writing, upgraded my HomeKit architecture, however.
Note that I haven't tried the app on an actual iPad (and the iOS simulator doesn't expose my HomeKit environment.)
Hello,
When an iOS app runs on Vision Pro in compatible mode, is there a flag such as isiOSAppOnVision to determine the underlying OS at runtime? Just like the ProcessInfo.isiOSAppOnMac. It will be useful to optimize the app for visionOS.
Already checked but not useful:
#if os(xrOS) does not work in compatible mode since no code is recompiled.
UIDevice.userInterfaceIdiom returns .pad instead of .reality.
Thanks.