# JUnit: what changed from 5 to 6

- Product: JUnit (https://whatsnew.fyi/product/junit)
- Vendor: JUnit Team
- Range: changelog entries numbered after 5.14.4 up to and including 6.1.3, stable releases only
- Entries below: 6 releases (newest first)
- Resolved: 5 is 5.14.4 and 6 is 6.1.3, the newest stable release of each major we track
- Carrying security changes: 0 · CVEs mentioned: 0 · Mentioning breaking changes: 0 · Removing or deprecating something: 0
- Page: https://whatsnew.fyi/product/junit/compare/5...6

What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog.

Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'.

## What changed (12 changes, grouped by kind)

### Added

#### 6.1.1 (2026-06-28)

- Allow excluding engines from memory cleanup mode via new junit.platform.execution.memory.cleanup.engines.excluded configuration parameter that takes a comma-separated list of engine IDs
- JAVA_28 has been added to the JRE enum for use with JRE-based execution conditions

### Changed

#### 6.0.2 (2026-01-06)

- Change API status of recommended method in ArgumentsProvider as well as ParameterDeclaration(s) as "maintained" rather than "experimental"

### Fixed

#### 6.1.3 (2026-08-07)

- Provide reachability metadata for junit-platform-engine to restore compatibility with GraalVM 25

#### 6.1.2 (2026-07-12)

- Fix NoTestsDiscoveredException for suites containing only dynamic tests

#### 6.1.1 (2026-06-28)

- The Suite Engine no longer logs "No TestIdentifier with unique ID" for failing tests
- Restore original values set by @SetSystemProperty when used with a @ParameterizedTest

#### 6.0.3 (2026-02-15)

- Fix a deadlock issue in NamespacedHierarchicalStore.computeIfAbsent(N, K, Function)
- Make @EnabledOnJre and @DisabledOnJre work reliably when used with JRE.OTHER in a test running on a Java runtime whose version is higher than the version of the last JAVA_* constant in the JRE enum

#### 6.0.2 (2026-01-06)

- Make ConsoleLauncher compatible with JDK 26 by avoiding final field mutations
- Enable recursive updates when using NamespacedHierarchicalStore.computeIfAbsent(N, K, Function)
- Allow using @ResourceLock on classes annotated with @ClassTemplate or @ParameterizedClass

_One release carries no categorized changes yet: 6.1.0._

## Release notes

### 6.1.3 — JUnit 6.1.3

- Date: 2026-08-07
- Version: 6.1.3
- Original notes: https://github.com/junit-team/junit-framework/releases/tag/r6.1.3
- Permalink: https://whatsnew.fyi/product/junit/releases/6.1.3

- **fixed** — Provide reachability metadata for junit-platform-engine to restore compatibility with GraalVM 25

Date of Release: August 7, 2026
Scope: Bug fixes and enhancements since 6.1.0
For a complete list of all closed issues and pull requests for this release, consult the 6.1.3 milestone page in the JUnit repository on GitHub.
###### JUnit Platform
###### Bug Fixes
- Provide reachability metadata for junit-platform-engine to restore compatibility with GraalVM 25
###### JUnit Jupiter
No changes.
###### JUnit Vintage
No changes.

### 6.1.2 — JUnit 6.1.2

- Date: 2026-07-12
- Version: 6.1.2
- Original notes: https://github.com/junit-team/junit-framework/releases/tag/r6.1.2
- Permalink: https://whatsnew.fyi/product/junit/releases/6.1.2

- **fixed** — Fix NoTestsDiscoveredException for suites containing only dynamic tests

Date of Release: July 12, 2026
Scope: Bug fixes and enhancements since 6.1.1
For a complete list of all closed issues and pull requests for this release, consult the 6.1.2 milestone page in the JUnit repository on GitHub.
###### JUnit Platform
###### Bug Fixes
- Fix NoTestsDiscoveredException for suites containing only dynamic tests
###### JUnit Jupiter
No changes.
###### JUnit Vintage
No changes.

### 6.1.1 — JUnit 6.1.1

- Date: 2026-06-28
- Version: 6.1.1
- Original notes: https://github.com/junit-team/junit-framework/releases/tag/r6.1.1
- Permalink: https://whatsnew.fyi/product/junit/releases/6.1.1

- **fixed** — The Suite Engine no longer logs "No TestIdentifier with unique ID" for failing tests
- **added** — Allow excluding engines from memory cleanup mode via new junit.platform.execution.memory.cleanup.engines.excluded configuration parameter that takes a comma-separated list of engine IDs
- **fixed** — Restore original values set by @SetSystemProperty when used with a @ParameterizedTest
- **added** — JAVA_28 has been added to the JRE enum for use with JRE-based execution conditions

Date of Release: June 28, 2026
Scope: Bug fixes and enhancements since 6.1.0
For a complete list of all closed issues and pull requests for this release, consult the 6.1.1 milestone page in the JUnit repository on GitHub.
###### JUnit Platform
###### Bug Fixes
- The Suite Engine no longer logs "No TestIdentifier with unique ID" for failing tests.
###### New Features and Improvements
- Allow excluding engines from memory cleanup mode (in case it’s enabled) via new junit.platform.execution.memory.cleanup.engines.excluded configuration parameter that takes a comma-separated list of engine IDs (for example, junit-vintage,junit-jupiter).
###### JUnit Jupiter
###### Bug Fixes
- Restore original values set by @SetSystemProperty when used with a @ParameterizedTest.
###### New Features and Improvements
- JAVA_28 has been added to the JRE enum for use with JRE-based execution conditions.
###### JUnit Vintage
No changes.

### 6.1.0 — JUnit 6.1.0

- Date: 2026-05-19
- Version: 6.1.0
- Original notes: https://github.com/junit-team/junit-framework/releases/tag/r6.1.0
- Permalink: https://whatsnew.fyi/product/junit/releases/6.1.0

JUnit 6.1.0 = Platform 6.1.0 + Jupiter 6.1.0 + Vintage 6.1.0

See [Release Notes](https://docs.junit.org/6.1.0/release-notes.html).

##### New Contributors
* @JarvisCraft made their first contribution in https://github.com/junit-team/junit-framework/pull/5633
* @Maran23 made their first contribution in https://github.com/junit-team/junit-framework/pull/5644

**Full Changelog**: https://github.com/junit-team/junit-framework/compare/r6.0.3...r6.1.0

### 6.0.3 — JUnit 6.0.3

- Date: 2026-02-15
- Version: 6.0.3
- Original notes: https://github.com/junit-team/junit-framework/releases/tag/r6.0.3
- Permalink: https://whatsnew.fyi/product/junit/releases/6.0.3

- **fixed** — Fix a deadlock issue in NamespacedHierarchicalStore.computeIfAbsent(N, K, Function)
- **fixed** — Make @EnabledOnJre and @DisabledOnJre work reliably when used with JRE.OTHER in a test running on a Java runtime whose version is higher than the version of the last JAVA_* constant in the JRE enum

Date of Release: February 15, 2026
Scope: Bug fixes and enhancements since 6.0.2
For a complete list of all closed issues and pull requests for this release, consult the 6.0.3 milestone page in the JUnit repository on GitHub.
###### JUnit Platform
###### Bug Fixes
- A deadlock issue in NamespacedHierarchicalStore.computeIfAbsent(N, K, Function) has been fixed.
###### JUnit Jupiter
###### Bug Fixes
- @EnabledOnJre and @DisabledOnJre once again work reliably when used with JRE.OTHER in a test running on a Java runtime whose version is higher than the version of the last JAVA_* constant in the JRE enum.
###### JUnit Vintage
No changes.

### 6.0.2 — JUnit 6.0.2

- Date: 2026-01-06
- Version: 6.0.2
- Original notes: https://github.com/junit-team/junit-framework/releases/tag/r6.0.2
- Permalink: https://whatsnew.fyi/product/junit/releases/6.0.2

- **fixed** — Make ConsoleLauncher compatible with JDK 26 by avoiding final field mutations
- **fixed** — Enable recursive updates when using NamespacedHierarchicalStore.computeIfAbsent(N, K, Function)
- **fixed** — Allow using @ResourceLock on classes annotated with @ClassTemplate or @ParameterizedClass
- **changed** — Change API status of recommended method in ArgumentsProvider as well as ParameterDeclaration(s) as "maintained" rather than "experimental"

Date of Release: January 6, 2026
Scope: Bug fixes and enhancements since 6.0.1
For a complete list of all closed issues and pull requests for this release, consult the 6.0.2 milestone page in the JUnit repository on GitHub.
###### JUnit Platform
###### Bug Fixes
- Make ConsoleLauncher compatible with JDK 26 by avoiding final field mutations.
- Enable recursive updates when using NamespacedHierarchicalStore.computeIfAbsent(N, K, Function). This provides parity with the deprecated NamespacedHierarchicalStore.getOrComputeIfAbsent(N, K, Function)
###### JUnit Jupiter
###### Bug Fixes
- Allow using @ResourceLock on classes annotated with @ClassTemplate (or @ParameterizedClass).
- Change API status of recommended method in ArgumentsProvider as well as ParameterDeclaration(s) as "maintained" rather than "experimental".
###### JUnit Vintage
No changes.