#JUnit 6.0.0-M1 is ready for testing!

✨ Require Java 17 and Kotlin 2.2
🌄 JSpecify nullability info
🚟 Kotlin suspend function support
🛫 Integrated custom JFR events
🚅 FastCSV-backed Csv{File}Source
🧹 Remove deprecated APIs and behaviors

https://junit.org/junit5/docs/6.0.0-M1/release-notes/