Drop Scala 2.12

.github/workflows/ci.yml

@@ -11,7 +11,6 @@ jobs:
       matrix:
         scala:
           - 2.13.12
-          - 2.12.18
 
     steps:
     - uses: actions/checkout@v2
@@ -23,32 +22,28 @@ jobs:
         java-version: openjdk@1.11
 
     - name: Run tests ${{ matrix.scala }}
-      if: success() && matrix.scala == '2.13.12'
+      if: success() 
       run: sbt ++${{ matrix.scala }} clean coverage test docs/mdoc
 
-    - name: Run tests ${{ matrix.scala }}
-      if: success() && matrix.scala != '2.13.12'
-      run: sbt ++${{ matrix.scala }} clean coverage test
-
     - name: Report test coverage
       if: success()
       env:
         COVERALLS_REPO_TOKEN: ${{ secrets.COVERALLS_REPO_TOKEN }}
       run: sbt ++${{ matrix.scala }} coverageReport coverageAggregate coveralls
 
     - name: Publish documentation / Setup Node
-      if: success() && matrix.scala == '2.13.12'
+      if: success()
       uses: actions/setup-node@v2-beta
       with:
         node-version: '12.x'
 
     - name: Publish documentation / Get yarn cache
-      if: success() && matrix.scala == '2.13.12'
+      if: success()
       id: yarn-cache
       run: echo "::set-output name=dir::$(yarn cache dir)"
 
     - name: Publish documentation / Cache dependencies
-      if: success() && matrix.scala == '2.13.12'
+      if: success()
       uses: actions/cache@v2
       with:
         path: ${{ steps.yarn-cache.outputs.dir }}
@@ -57,17 +52,17 @@ jobs:
           ${{ runner.os }}-website-
 
     - name: Publish documentation / Install dependencies
-      if: success() && matrix.scala == '2.13.12'
+      if: success()
       working-directory: ./website
       run: yarn install --frozen-lockfile
 
     - name: Publish documentation / Build site
-      if: success() && matrix.scala == '2.13.12'
+      if: success()
       working-directory: ./website
       run: yarn build
 
     - name: Publish documentation / Deploy
-      if: success() && matrix.scala == '2.13.12' && github.ref == 'refs/heads/master'
+      if: success() && github.ref == 'refs/heads/master'
       uses: peaceiris/actions-gh-pages@v3
       with:
         github_token: ${{ secrets.GITHUB_TOKEN }}

build.sbt

@@ -7,10 +7,8 @@ lazy val commonSettings = Seq(
   organizationName := "Evolution Gaming",
   organizationHomepage := Some(url("https://evolution.com")),
   publishTo := Some(Resolver.evolutionReleases),
-  scalaVersion := crossScalaVersions.value.head,
-  crossScalaVersions := Seq("2.13.12", "2.12.18"),
+  scalaVersion := "2.13.12",
   licenses := Seq(("MIT", url("https://opensource.org/licenses/MIT"))),
-  releaseCrossBuild := true,
   testFrameworks += new TestFramework("munit.Framework"),
   testOptions += Tests.Argument(new TestFramework("munit.Framework"), "+l"),
   resolvers ++= Resolver.sonatypeOssRepos("public") :+ Resolver.bintrayRepo("evolutiongaming", "maven"),