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JUnit 6

https://docs.junit.org/6.0.0/release-notes/#release-notes-6.0.0

Date of Release: September 30, 2025

Scope:

  • Java 17 and Kotlin 2.2 baseline
  • Single version number for Platform, Jupiter, and Vintage
  • Use of JSpecify annotations to express nullability
  • Integration of JFR functionality in junit-platform-launcher
  • Removal of junit-platform-runner and junit-platform-jfr
  • Deterministic order of @Nested classes
  • MethodOrderer.Default and ClassOrderer.Default for @Nested classes
  • Inheritance of @TestMethodOrder by enclosed @Nested classes
  • Switch to FastCSV library for @CsvSource and @CsvFileSource
  • Support for using Kotlin suspend functions as test methods
  • New --fail-fast mode for ConsoleLauncher
  • Support for cancelling test execution via CancellationToken
  • Removal of various deprecated behaviors and APIs