The universal links for my apps stopped working. The server where the AASA files where hosted worked on IPV4 exclusively, a few days ago i changed the configuration to IPV6 only. I´ve created new IPV6 entries, renewed all certifactes and deleted all IPV4 entries for the domains. All seemed fine, but at Saturday I realized that my universal links stopped working for new user. What i´ve done to find the issue: Example domain that was used for debugging: "https://developffw.burns.fun" I´ve verified the AASA file is hosted properly by using different browsers and Postman to retrieve it. The file can be accessed and the certificates look fine. Output of curl -v https://developffw.burns.fun/.well-known/apple-app-site-association * Host developffw.burns.fun:443 was resolved. * IPv6: 2a01:4f8:13b:340a::2 * IPv4: (none) * Trying [2a01:4f8:13b:340a::2]:443... * schannel: disabled automatic use of client certificate * ALPN: curl offers http/1.1 * ALPN: server accepted http/1.1 * Established connection to developffw.burns.fun (2a01:4f8:13b:340a::2 port 443) from 2a00:79c0:65c:8b00:80ee:175b:3e2a:1e7d port 61014 * using HTTP/1.x > GET /.well-known/apple-app-site-association HTTP/1.1 > Host: developffw.burns.fun > User-Agent: curl/8.16.0 > Accept: */* > * Request completely sent off < HTTP/1.1 200 OK < Server: nginx/1.22.1 < Date: Mon, 15 Dec 2025 11:34:22 GMT < Content-Type: application/octet-stream < Content-Length: 329 < Last-Modified: Sat, 21 Dec 2024 08:53:11 GMT < Connection: keep-alive < ETag: "676681f7-149" < Accept-Ranges: bytes < { "applinks": { "details": [ { "appIDs": [ "6LN7G8JEA5.burns.FFW-Manager-SwiftUI.Debug"], "components": [ { "/": "/onboard", "?": { "id": "*"}, "?": { "name": "*"}, "?": { "token": "*" } } ] } ] } } * Connection #0 to host developffw.burns.fun:443 left intact I took a look at the headers from the Apple CDN network response. These indicate some sort of connection error. The response code is 404 Response headers: Apple-Failure-Details: {"cause":"dial tcp [2a01:4f8:13b:340a::2]:443: connect: network is unreachable"} Apple-Failure-Reason: SWCERR00305 Network error Apple-From: https://betaffw.burns.fun/.well-known/apple-app-site-association Apple-Try-Direct: false Via: https/1.1 defra2-vp-vst-003.ts.apple.com (acdn/268.16305), https/1.1 defra2-vp-vfe-004.ts.apple.com (acdn/268.16305), http/1.1 defra2-xdc-mx-028.ts.apple.com (acdn/3.16363), https/1.1 defra1-edge-fx-021.ts.apple.com (acdn/3.16363) X-Cache: hit-stale, miss, hit-fresh, miss CDNUUID: 4321f35e-b73b-4031-a054-7c63af69e126-712221049 Took a look at the log files of the server. I can´t find any entry from the Apple servers neither in the default logs nor in the error log entries. The curl attempts are logged with response code 200. I´ve tried sudo swcutil dl -d https://developffw.burns.fun/onboard in the Terminal on my MAC. Output: The operation couldn´t be completed. (SWCErrorDomain error 8.) This indicates to me threre is an issue for the Apple servers accessing my server. But I don´t know what could be the reason. There is no firewall configuration that could block the requests. And there has been no change at all besides the IPV4 / IPV6 protocol change. This issue is the same for all the domain listed on this server. I´v even created a new app for this purpose and created a new AASA entry and associated link. Same issue. I´m pretty much lost here. Everything looks fine from my side. Google assetlinks.json seem to work fine. I would really appreciate some help on how to solve this, i´m at my wits end.

Xcode and launchd are eating up a considerable amount of resources. Even while beeing idle in the background. This issue only exists when opening a certain project. The project itself is building just fine without any errors or warnings. Opening any other project does not show this behaviour. This wasn´t an issue yesterday after updating XCode to the latest version 14.2. But after resuming work today I discovered this behaviour. I am on an Macbook Pro 2016 13 inch MacOS Ventura 12.6.3 XCode 14.2 I´ve tried the most obvious things like restarting Xcode and the MacBook. Downloading Xcode 14.1 just now, just in case I need to revert the install. But I would like to use 14.2 though. Does someone know what to do in such a case? What could cause such a behaviour?