Explore the intersection of business and app development. Discuss topics like device management, education, and resources for aspiring app developers.

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No such module 'DeviceManagement'
I'm working on the companion iOS app for my purpose-built MDM system. when I use the following in a .swift file: import DeviceManagement I get the build issue: No such module 'DeviceManagement' When I attempt to add the framework in the Frameworks, Libraries, and Embedded Content settings, DeviceManagement doesn't even show up in the available frameworks. Alll the documentation I can find suggests that is the correct framework to import, but I'm new to this and not sure if I'm just missing something. Some AI help is suggesting that the culprit might be v16.x of Xcode, but I don't know enough to prove that correct or not. Any ideas on why Xcode believes there is no such module? Is there documentation that might help me learn how to make that framework available for my project?
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246
Jun ’25
Swift Student Challenge 2026 Eligibility — Gap Year After High School
Hello everyone, I’m looking for some clarity from the community regarding eligibility for the Swift Student Challenge 2026, particularly for students taking a gap year in India. I graduated from high school (Class XII, CBSE – India) in May 2025. After graduating, I chose to take a gap year to prepare for competitive entrance examinations in India, with the goal of pursuing Computer Science / Engineering. I’ll be applying to accredited universities for programs starting in mid-2026, and I’m not currently enrolled in a college. My question: The eligibility guidelines state that high school graduates must have graduated within the past 6 months and must be awaiting acceptance or have received acceptance to an accredited institution. Since the submission deadline is February 28, 2026, my graduation would be about 9 months prior, which puts me in a gray area. Has anyone here participated in, or seen others participate in, the Swift Student Challenge while taking a gap year and preparing for university entrance exams? Is there any known flexibility or precedent for students in this situation? I’ve been following the Swift Student Challenge since 2023 and would really love to participate if I’m eligible. Any insights or experiences would be greatly appreciated. Thanks!
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1w
Declarative Management Activations do not recover from failure
Hello All, I am currently developing a mobile management system using declarative management and for the most part it is pretty great. There is one consistent issue I have run into and it comes when testing VPP app installs with not enough licenses. When my server detects that it can't provide a license ID it will return a 404, which causes the rest of the DM syncing to stop, and the activation to throw an error. Per the documentation for using simple activation: An array of strings that specify the identifiers of configurations to install. A failure to install one of the configurations doesn’t prevent other configurations from installing The above would imply that if a config fails it should not affect anything else (aside from possibly reporting an error. Am I returning the wrong error code for it to continue or is the behavior correct and the documentation is wrong? Any additional info would be useful
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992
Sep ’25
app to restriction student phone use in schools
I work at a school in NYC and have a software idea that could better support the new NYC phone ban law than current market options (i.e. Yondr pouches). Right now at my school, students and staff scan a QR code upon entering the building to indicate that they are in the building. They scan again on the way out to indicate they've left the building. This is super helpful for attendance, particularly in emergency situations (fire drills, etc). Imagine if when students scanned their QR code, it also activated an app similar to Opal or ScreenZen, but with an admin preset whitelisted apps. The idea is that this app would default deny access to all apps on students' phones except the admin preset whitelisted ones such as Phone, Calculator, etc. Depending on the age/needs of the student, other apps like Spotify, or medical apps could also be whitelisted. My question is -- is this idea possible to create? We would need admin preset controls to create the preset whitelist. We can't have students picking their own restrictions, as we know most would opt to not restrict at all. We would need an admin dashboard so teachers/admin can see which students have activated the app in the building, and which may be trying to sneakily avoid it. We would ideally need to be able to whitelist both system apps like Phone and Calculator, as well as non-system apps such as Spotify (and medical apps -- we have some students who manage/monitor their Diabetes with an app). I don't have a background in software. I'm a math and health teacher. I've experimented with trying to have friends who majored in CS to create this app for me, but they've all either struggled/lost interest. So I'm also looking for a business partner in this venture. If anyone has any guidance here, it would be so helpful! My boss (Head of School) is super interested in this idea and significantly prefers it to every other alternative that he has encountered. The problem is this idea does not exist yet! Note: I know this is a super similar idea to the app and product "Brick". Notably, though, Brick does not have the ability for admin preset controls, or the admin dashboard. We reached out to the company to see if they're create this for us and they said it's a back burner idea that they're aware of, but it's not a priority for them right now. Thank you for any guidance!
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Oct ’25
Ad Hoc .ipa for iOS 12.5.8
Hi, We're having problems starting an Ad Hoc ipa on an iPad with iOS 12.7.7 and 12.7.8, probably iOS 12 in general. The iPad's UUID is added to the certificate. And we don't have problems with iOS versions > iOS 12. Here is the anonymized Console Log: default 09:05:12.088994+0100 SpringBoard immediate edge swipe: failed default 09:05:12.095189+0100 SpringBoard Icon touch began: <private> default 09:05:12.096204+0100 SpringBoard Found a reasonable launch image for <private>, not pre-warming SplashBoard. Load image into the snapshot instance. default 09:05:12.117737+0100 powerd Activity changes from 0x2 to 0x1. UseActiveState:1 default 09:05:12.118572+0100 powerd hidActive:1 displayOff:0 assertionActivityValid:0 now:0xcb6 hid_ts:0xcb6 assertion_ts:0x0 default 09:05:12.145354+0100 backboardd [HID] [MT] dispatchEvent Dispatching event with 1 children, _eventMask=0x23 _childEventMask=0x3 Cancel=0 Touching=0 inRange=0 default 09:05:12.152820+0100 SpringBoard Icon tapped: <private> default 09:05:12.158236+0100 dasd Trigger: <private> is now [1] default 09:05:12.159538+0100 dasd Don't have <private> for type 1 default 09:05:12.170128+0100 trustd cert[0]: SubjectCommonName =(leaf)[]> 0 default 09:05:12.170407+0100 trustd cert[0]: LeafMarkerOid =(leaf)[]> 0 default 09:05:12.182388+0100 trustd OCSPSingleResponse: nextUpdate 0.54 days ago default 09:05:12.186084+0100 trustd OCSPSingleResponse: nextUpdate 0.62 days ago default 09:05:12.187067+0100 SpringBoard Trust evaluate failure: [leaf IssuerCommonName LeafMarkerOid SubjectCommonName] default 09:05:12.238604+0100 trustd Task <TASK_UUID_REDACTED_1>.<1> resuming, QOS(0x19) default 09:05:12.240650+0100 trustd TIC TCP Conn Start [12:0xADDR_REDACTED] default 09:05:12.241136+0100 trustd [C12 Hostname#HASH_REDACTED:80 tcp, pid: PID_REDACTED, url hash: HASH_REDACTED] start default 09:05:12.245884+0100 trustd TIC TCP Conn Start [13:0xADDR_REDACTED] default 09:05:12.246361+0100 trustd [C13 Hostname#HASH_REDACTED:80 tcp, pid: PID_REDACTED, url hash: HASH_REDACTED] start default 09:05:12.256520+0100 trustd nw_connection_report_state_with_handler_locked [C12] reporting state failed error Network is down error 09:05:12.256978+0100 trustd TIC TCP Conn Failed [12:0xADDR_REDACTED]: 1:50 Err(50) error 09:05:12.262697+0100 trustd Task <TASK_UUID_REDACTED_1>.<1> HTTP load failed (error code: -1009 [1:50]) error 09:05:12.271646+0100 trustd Task <TASK_UUID_REDACTED_1>.<1> load failed with error Error Domain=NSURLErrorDomain Code=-1009 "The Internet connection appears to be offline." default 09:05:12.271898+0100 trustd Failed to download ocsp response http://ocsp.apple.com/ocsp03-wwdrg311/... with error Error Domain=NSURLErrorDomain Code=-1009 "The Internet connection appears to be offline." default 09:05:12.280643+0100 SpringBoard Activating <private> from icon default 09:05:12.281399+0100 CommCenter #I CTServerConnection from pid PID_REDACTED has closed (conn=0xADDR_REDACTED) default 09:05:12.513629+0100 SpringBoard Bootstrapping com.example.myapp with intent foreground-interactive default 09:05:12.514084+0100 assertiond Submitting new job for "com.example.myapp" on behalf of <BKProcess: 0xADDR_REDACTED; SpringBoard; com.apple.springboard; pid: PID_REDACTED; ...> default 09:05:12.514909+0100 assertiond Submitted job with label: UIKitApplication:com.example.myapp[REDACTED][REDACTED] error 09:05:12.516769+0100 SpringBoard [com.example.myapp] Bootstrap failed with error: <NSError: 0xADDR_REDACTED; domain: BKSProcessErrorDomain; code: 1 (bootstrap-failed); reason: "Failed to start job"> error 09:05:12.516935+0100 SpringBoard Bootstrapping failed for <FBApplicationProcess: 0xADDR_REDACTED; com.example.myapp; pid: -1> with error: Error Domain=BKSProcessErrorDomain Code=1 "Unable to bootstrap process with bundleID com.example.myapp" default 09:05:12.517589+0100 SpringBoard <FBApplicationProcess: 0xADDR_REDACTED; com.example.myapp; pid: -1> exited. default 09:05:12.542638+0100 SpringBoard Application process state changed for com.example.myapp: <SBApplicationProcessState: 0xADDR_REDACTED; pid: -1; taskState: Not Running; visibility: Unknown> default 09:05:13.072994+0100 SpringBoard Front display did change: <SBApplication: 0xADDR_REDACTED; com.example.myapp> Is there any know problem with running Ad Hoc ipas on iOS 12? Thanks Christian
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817
Feb ’26
How to change the expiry date of existing iOS Distribution (In-House) Certificate
Hi Team, Could you please share how to change/extend the expiry date of the existing iOS Distribution (In-House) certificate? Since the membership renewal date is in March 2026 and the iOS distribution(In-House) certificate expiry date is in Feb 2026. We use to distribute the mobile apps using the product intunes (Company portal) and via direct download link. Please suggest since this certificate is used by multiple mobile apps by the users which can affect lot of iPhone users? Thank you in advance Deepak
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832
Jan ’26
Efficient Fix for Stuck Provisioning Profiles on Enterprise iPhones?
Hello, We have an internal enterprise app. After the provisioning profile (certificate) expired, some employees' iPhones still retained the old certificate when updating the app, causing the app to fail to open. We’ve tried restarting and reinstalling the app, but the issue persists. Having each employee manually reset network or device settings would be too operationally costly. Since this involves a large number of devices, we cannot use Apple Configurator to remove and reinstall certificates one by one. Therefore, we’d like to ask if there is a more efficient, batch-oriented solution to quickly resolve the certificate residue issue. We’d appreciate any suggestions for large-scale deployment methods. Thank you very much!
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187
Apr ’25
Disable Fast User Switching in Control Center
We've disabled FUS through a config profile, but users can still access FUS by enabling the MenuBar/Control Center icons. My org would like to prevent access to FUS so I've created a config profile. But the profile doesn't seem to work. Anyone have any ideas what I'm missing, or is this an OS bug? <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd"> <plist version="1.0"> <dict> <key>PayloadDisplayName</key> <string>macOS - Tahoe - Disable Fast User Switching Control Center</string> <key>PayloadIdentifier</key> <string>com.myorg.fast-user-switching</string> <key>PayloadType</key> <string>Configuration</string> <key>PayloadScope</key> <string>System</string> <key>PayloadUUID</key> <string>f1a2b3c4-d5e6-7890-abcd-ef1234567890</string> <key>PayloadVersion</key> <integer>1</integer> <key>TargetDevmyorgType</key> <integer>5</integer> <key>PayloadContent</key> <array> <dict> <key>PayloadType</key> <string>com.apple.controlcenter</string> <key>PayloadVersion</key> <integer>1</integer> <key>PayloadIdentifier</key> <string>com.apple.controlcenter.57EBEF9E-E568-411E-AE27-500AD98C94F4</string> <key>PayloadUUID</key> <string>f1a2b3c4-d5e6-7890-abcd-ef1234567890</string> <key>UserSwitcher</key> <integer>8</integer> </dict> <dict> <key>PayloadType</key> <string>.GlobalPreferences</string> <key>PayloadVersion</key> <integer>1</integer> <key>PayloadIdentifier</key> <string>.GlobalPreferences.71DE1486-60BC-4CB9-890D-AD50A772890D</string> <key>PayloadUUID</key> <string>c5234012-e0sw-2066-6fl8-3bd5p8125op7</string> <key>MultipleSessionEnabled</key> false/> </dict> </array> </dict> </plist>
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305
Sep ’25
Enterprise Device Management
We are trying to develop an app that will be responsible for managing 5000+ managed iPads through Intune MDM. The user flow is to have a device locked to a single app when a user is not logged in, but to make the device available to other apps once a user is authenticated. We already tried UIAccessibility GuidedAccess Mode and autonomous single app mode but those were not sufficient due to our need to be able to toggle this from the background. When the device may be asleep. So another way we could achieve this functionality would be to control all app access under a launching mechanism. That way we could allow one app to be visible in our MDM configuration and try to access our business app through that using deep links. If this were to work, we would have to be able to hide an app and still make it launchable from the manager. Any ideas? Thanks
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123
Apr ’25
How to get APP that has already been listed outside of mainland China listed in mainland China
Hello all, My question is, how to get APP (specialized in make SOPs for industrial users) that has already been listed outside of mainland China to be listed on apple store of mainland China? Can I simply refile it to cover China mainland with existing apple developer account or do I have to create a new local apple developer account to start the listing process? Your advise and help will be highly appreciated. Thank you, Link
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756
Sep ’25
DMM App Managed doesn't allow for reinstalls or respects version element
Hello, this may not be the correct place to ask this question so I apologize in advance if this is the case. I am currently running into two specifc issues while continuing to implement the app.managed configuration which are quite frustrating and I will detail them below Unlike MDM where an application could be "reinstalled", by sending an install application command down for the same app DM does not have a similar mechanism which causes some issues as (while inconsistent) devices do not always respect the configuration sent down, and will not begin downloading VPP applications. They can be seen in the configuration when checking under VPN & Device Management but they do not return on a status report, alternatively and app will "install" but will have a cloud symbol next to it requiring a download (which I believe would be impossible on supervised devices without apple accounts/have restricted apple accounts associated to them). These apps are also reported incorrectly, as they return a managed response while being inaccessible. Both of these issues are solved by removing and reinstall applications (occasionally). Is there any easier way to trigger a re-install or is this the only way to trigger this? The Version element that can be optionally sent down does not seem to work (or if it does, does so inconsistently). A device will very happily download the application initially with the version element present, though when we detect an updated external ID from the VPP program and send down an updated configuration devices behave unexpectedly. Some have ignored it, some have responded back that a download has begun (with no download taking place and the application clearly still being the initial installed version as can be see in the apps page) or it just works, but there is not consistency. I realize a new UpdateBehavior object has been added to possibly handle this, but it is only supported in iOS 26 and above and there are plenty of people who do not have phones that can upgrade that far. Are there alternative ways to enforce an application update other than uninstalling and reinstalling the application without the version (or will sending down a config without a version after one was originally pinned force it to update to latest?) Kind Regards
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648
Sep ’25
ABM Sync Fails with “Terms and Conditions Not Signed” Error Despite Acceptance
We are experiencing an issue with Apple Business Manager (ABM) synchronization that is blocking our device management workflow. Issue Description: During the ABM sync process in our MDM, we receive the error: "ABM Terms and Conditions not signed." What We’ve Checked: Logged into the ABM portal as the Administrator and confirmed that the latest Terms and Conditions. Attempted to renew the ABM token on our existing server, but the same error message continues to appear in MDM. Tried creating a brand new ABM server integration, which also fails with the same error. We checked with our MDM provider and they shared the logs, response received from ABM. It says T_C_NOT_SIGNED. But we have already accepted all the new Terms in ABM. We would appreciate any help in resolving this issue or guidance on what steps to take next.
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703
Sep ’25
Device enrollment to ABM failing with timeout during setup
Hello, I’m facing an issue while trying to add iOS devices to Apple Business Manager (ABM) using Apple Configurator during enrollment. When going through the setup process, the device fails to complete enrollment and times out. I’ve tried it multiple times. The device does appear in ABM during the process and I am able to assign it to different MDM servers but since the setup times out and fails, the device is automatically released. I have tried this with multiple iOS devices and it times out on every single one of them. Steps attempted: Factory reset and re-enrollment of the device Ensured network connectivity is stable and tested on multiple Wi-Fi networks Tried the following process using Apple Configurator on Mac (wired): Created a Wi-Fi profile in Configurator Connected the iPhone via cable and used Prepare (manual configuration) Used the “MDM server” placeholder and trusted anchors (as recommended) Linked the device to the ABM organization Skipped Setup Assistant steps Attached the Wi-Fi profile, then prepared and wiped the device Verified that the device should appear in ABM Attempted to assign the device to my MDM in ABM Despite these checks, the enrollment process times out. I’m attaching a screenshot of the error for reference. Could someone advise what might be causing this timeout or how I can further troubleshoot this? Any guidance would be greatly appreciated. Thanks in advance.
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305
Sep ’25
MDM Profile Installation Issue on iPhone 17 - Suspected Parameter Transmission Error
Issue Description: We are experiencing MDM profile installation failures specifically on iPhone 17 devices. After extensive testing and comparison between affected and working devices, we suspect this appears to be a parameter transmission error rather than device settings. Technical Analysis: Device Settings Comparison: No differences found between problematic and working devices in system settings, indicating this is not a configuration issue. Suspected Parameter Transmission Error: • Device model information appears to be restricted or blocked during profile download • User ID and phone number parameters are not being transmitted to the server • Installation logs show missing login ID and phone number entries Symptoms: • During MDM profile installation, the "Apps & Restrictions" section that should appear is missing • Profile download parameters are suspected to not be properly transmitted to the server • Installation process fails at the profile configuration stage Critical Finding: When we cloned a previously working device to create a problematic device configuration, the cloned device also began experiencing the same installation failures. This strongly suggests the issue is related to device-specific parameters or identifiers. Additional Information: We continue to receive reports of this issue from our iPhone 17 users, and these reports are occurring across various iOS versions. Request for Assistance: Has anyone encountered similar MDM profile installation issues on iPhone 17? Are there known limitations or changes in how device parameters are transmitted during MDM enrollment on this model? Any guidance on debugging parameter transmission or known workarounds would be greatly appreciated.
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441
Oct ’25
Can mdm contain configurations that are not supported by the system version?
Hi,team: I need to distribute an mdm configuration file containing the "ServiceManagementManagedLoginItems" service to a large number of company-supervised computers, where com.apple.servicemanagement only supports macOS 13.0+. However, I cannot effectively distinguish whether the device system where the mdm configuration file needs to be installed is greater than 13. Can I directly install the mdm configuration file on all devices? Will installing the mdm configuration file on devices less than 13 have any impact on the system or other configuration items in mdm? The description link of ServiceManagementManagedLoginItems is: https://developer.apple.com/documentation/devicemanagement/servicemanagementmanagedloginitems
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281
Mar ’25
Undocumented requirements when installing enterprise applications with Declarative Management
Hello, I am currently attempting to use declarative management to install enterprise application, however I am running into errors. Initially the device was failing to unpac the initial manifest it downloaded. After pulling logs from the device it was revealed that the manifest must include the bundle-version for it to parse as valid. Adding this has allowed for the ipa to be fetched from the server however there is a secondary issue. The application is on the device but is unable to be opened due to the device being unable to validate its integreti. Any additional information would be useful. For completion the working manifest will be pasted below. It should be noted that the manifest below does work when requesting application installs through MDM commands. <***> <items type="array"> <dict> <assets type="array"> <dict> <kind type="string">software-package</kind> <url type="string">https://domain/web/mdm/ios/enterpriseipa/bundle.id</url> </dict> </assets> <key type="dict" name="metadata"> <bundle-identifier type="string">bundle.id</bundle-identifier> <kind type="string">software</kind> <subtitle type="string">app</subtitle> <title type="string">app</title> <bundle-version type="string">x.x.x</bundle-version> </key> </dict> </items> </***> </plist>
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245
Mar ’25
Shopify Apple Pay Domain Verification - Need Direct File Access Solution
I need to verify my domain for Apple Pay but I'm on Shopify. Domain: blissta.co File IS accessible: https://blissta.co/.well-known/apple-developer-merchantid-domain-association But verification fails because it's a redirect, not direct hosting. Shopify doesn't allow .well-known folder creation. Has anyone solved this? Need either: Way to make Apple accept redirects Shopify workaround for direct file hosting Manual verification from Apple Using Authorize.net gateway. Case #102711828925
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411
Oct ’25
macOS login issue with federation
We have couple of devices that are registered into Platform SSO, and we have been noticing an issue when the user tried to login. After the users enters the password and hit the return key nothing happens, they need to hit the return key probably 10-15 times in order for the login to happen, the password entered is the correct one and it's just that hitting the return key doesn't invoke the login. On checking the log of the device one unusual thing that we noticed as compared to a different device where the login is working in a single go is that the AppSSOAgent or AppSSODaemon process were not getting invoked
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370
Oct ’25
Inquiry: Inconsistent VPP UpdateBehavior with DDM (auto-update timing + manual-update gating)
Hi there, We’re testing Declarative Device Management (DDM) for VPP app management and followed the latest declaration template here: https://github.com/apple/device-management/blob/release/declarative/declarations/configurations/app.managed.yaml Our goal is to enable VPP auto-updates via the declaration. The payload we’re using looks like this: "AppStoreID": "1231325957", "InstallBehavior": "{\"Install\": \"Required\", \"License\": {\"Assignment\": \"Device\"}}", "UpdateBehavior": "{\"AutomaticAppUpdates\": \"AlwaysOn\"}" } What we’re seeing Device A (no Apple ID signed into App Store): User can manually update the VPP app with the above declaration in place. ( The same user cannot update the app if UpdateBehavior is not in the declaration payload. Device B (Apple ID signed into App Store, and the same Apple ID doesn't have the above app purchased): User cannot manually update the same VPP app. The App Store shows the error seen when UpdateBehavior is absent: “ cannot be updated because it was refunded or purchased with a different Apple Account.” Also, in this case, the user has no way to purchase the (free) app by their own as the app shows as owned/managed by MDM server. We have to remove the declaration, let the user purchase the same app, then re-deploy the declaration to allow the user to click that "Update" button when a new version for that app is available. Additionally, we’re unsure about the criteria/timing for automatic VPP app updates under DDM. After a new version became available, we waited several hours but the app did not auto-update. Repro summary App: VPP, device-assigned license Declaration: AutomaticAppUpdates = AlwaysOn, install required Device A: not signed into App Store → manual update allowed Device B: signed into App Store → manual update blocked with “refunded/different account” error Auto-update did not occur after waiting several hours post-release Any guidance, confirmation of expected behavior, or tips on additional logging we should collect (e.g., specific App Store / MDM / DDM logs and subsystems) would be greatly appreciated. If this is a known issue or requires a Feedback Assistant report, we’re happy to file one. Thanks,
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454
Oct ’25