---
title: XCTIssueReference.IssueType.performanceRegression
framework: xctest
role: symbol
role_heading: Case
path: xctest/xctissuereference/issuetype/performanceregression
---

# XCTIssueReference.IssueType.performanceRegression

A test failure due to a performance regression.

## Declaration

```swift
case performanceRegression
```

## See Also

### Issue Types

- [XCTIssueReference.IssueType.assertionFailure](xctest/xctissuereference/issuetype/assertionfailure.md)
- [XCTIssueReference.IssueType.system](xctest/xctissuereference/issuetype/system.md)
- [XCTIssueReference.IssueType.thrownError](xctest/xctissuereference/issuetype/thrownerror.md)
- [XCTIssueReference.IssueType.uncaughtException](xctest/xctissuereference/issuetype/uncaughtexception.md)
- [XCTIssueReference.IssueType.unmatchedExpectedFailure](xctest/xctissuereference/issuetype/unmatchedexpectedfailure.md)