Update auxlib, clib, javalib, junit-plugin, ... to 0.5.1 (#551) 

Merge pull request #514 from scala-steward/update/sbt-scala-native-cr… …ossproject-1.3.1 Update sbt-scala-native-crossproject, ... to 1.3.1

add library pros and cons to README (#500) 

Release v2.1.1 

Merge pull request #423 from SethTisue/fix-version-policy 

Merge pull request #385 from Philippus/update/scala-3.0.0 

add Scala 3.0.0-RC3 (and drop RC1) (#372) 

Merge pull request #366 from SethTisue/scala-3.0.0-RC2 Scala 3.0.0-RC2, sbt 1.5

Update scala to 3.0.0-RC1 (#357) 

Merge pull request #337 from SethTisue/try-scala3doc