System
Diagnostics Cache
macOS diagnostics extensions cache status and presentation data under com.apple.diagnosticsextensions.statuskit so system troubleshooting panels and related support views can load quickly without rebuilding everything from scratch. This cache can include serialized status snapshots, downloaded diagnostic assets, image resources, and temporary metadata used by StatusKit-backed interfaces. Kudu removes only these disposable cached files, not your Mac’s logs, system settings, accounts, or personal documents.
Why clean Diagnostics Cache?
- Stale StatusKit status snapshots can make diagnostic panels show outdated device health or support information until the cache is rebuilt
- Corrupted cached assets cause blank icons, missing illustrations, or partially rendered troubleshooting screens in macOS support and diagnostics views
- Interrupted writes leave behind invalid temporary metadata, which can make diagnostic extensions open slowly, hang briefly, or fail to populate their content
- Old downloaded support resources continue being reused after a macOS update, so you may see mismatched wording, layout glitches, or panels that do not reflect the current system version
- An oversized diagnostics cache wastes space in Library/Caches and is noticeable on smaller SSDs even though the data can be safely regenerated
- Repeated cache read failures force StatusKit components to rebuild data on demand, which shows up as sluggish loading the first time you open affected help or diagnostic interfaces
What gets cleaned
Cache paths Kudu targets
macOS
~/Library/Caches/com.apple.diagnosticsextensions.statuskit |
Frequently asked
Common questions about Diagnostics Cache
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