This project demonstrates a bug with field ordering in the play-json library when compiling with Scala 3.
Affected versions:
- "com.typesafe.play" %% "play-json" % "2.10.5"
- "org.playframework" %% "play-json" % "3.0.3"
See build.sbt and JsonSerializersTest for more details.
The issue has also been reported to play-json library: playframework/play-json#1038