macOS test runs contaminated by leftover system state
macOS test results change between runs because leftover TCC, Keychain, quarantine and signing state contaminates the test environment.
Tier II · Emerging Problems that are still building up.
3 public reports · first reported 12 July 2026 · last reported 20 July 2026
What's going wrong
Analysts testing macOS applications find that permission prompts, Keychain entries, quarantine flags, code signing and prior launches from earlier runs change what they observe, so results are not reproducible.
AI-assisted: written with the help of AI from the reports. The idea report has the full summary.
In the idea report
- The full summary.
- The products the 3 reports are about, and how many came each month.
- Related problems.
No business has been found with this problem yet, so the report has no contacts. All sales are final — no refunds. Pricing.