Merge pull request typelevel#911 from leviramsey/spin-again-like-we-d…

…id-last-summer

Merge pull request typelevel#879 from armanbilge/update/scala-3.1

Release 1.15.4

Release 1.15.3

Release 1.15.2

Release 1.15.1

Release 1.15.0

Release 1.15.0-RC1

Merge pull request typelevel#594 from ashawley/1.14/sbt-scala-js-0.6.31

Cherry-pick update Scala.js 0.6.31