Apple

System Logs com.apple.xpc.launchd System Logs com.apple.xpc.launchd is a macOS log location that stores launchd and XPC service messages used for system and app startup diagnostics. System Logs · Logs Diagnostics · /private/var/log/com.apple.xpc.launchd

CrashReporter User Logs CrashReporter User Logs stores macOS crash reports for apps and processes so you can review failures and share diagnostic details when troubleshooting problems. CrashReporter · Logs Diagnostics · ~/Library/Logs/CrashReporter

clang Var Folders Cache This folder stores temporary clang compiler data in macOS /private/var/folders, where builds and developer tools keep short-lived working files. clang · Developer Data · /private/var/folders/jb/4mnygrgj01bdk1z6p5jgsl480000gn/C/clang

Xcode Junk Xcode Cache ~/Library/Caches/com.apple.dt.Xcode stores Xcode cache data that helps Apple’s development tools open projects, index code, and reuse temporary build information. Xcode Junk · Developer Data · ~/Library/Caches/com.apple.dt.Xcode

install.log.15.gz install.log.15.gz is a compressed archived macOS installation log that stores older records of software installs, updates, and system setup activity. System Logs · Logs Diagnostics · /private/var/log/install.log.15.gz

User Caches ~/Library/Caches/CloudKit stores temporary local cache data used by CloudKit-based syncing so apps can access iCloud-backed content more efficiently. CloudKit · Cloud Sync Data · ~/Library/Caches/CloudKit

icloudmailagent ~/Library/Caches/icloudmailagent stores temporary cache data used by Apple iCloud Mail background activity on a Mac. icloudmailagent · Caches Temporary Files · ~/Library/Caches/icloudmailagent

DerivedData DerivedData is the Xcode working folder that stores intermediate build products, indexes, logs, and other generated developer files for projects. Xcode Junk · Developer Data · ~/Library/Developer/Xcode/DerivedData

Archives ~/Library/Developer/Xcode/Archives stores Xcode build archives created when you archive apps for distribution, export, debugging, or release history. Xcode Junk · Developer Data · ~/Library/Developer/Xcode/Archives

iOS DeviceSupport iOS DeviceSupport stores Xcode device support files and symbols used when connecting, debugging, and symbolicating logs from iPhone and iPad devices. iOS Device Support · Developer Data · ~/Library/Developer/Xcode/iOS DeviceSupport

CoreSimulator ~/Library/Developer/CoreSimulator stores Xcode simulator device data so developers can run and test apps in simulated iPhone, iPad, watch, TV, and Vision devices. Simulator Devices · Developer Data · ~/Library/Developer/CoreSimulator