scala · WojciechMazur · Jul 13, 2025 · Jul 14, 2025 · Jul 14, 2025 · Jul 14, 2025
diff --git a/.github/CODEOWNERS b/.github/CODEOWNERS
@@ -0,0 +1,5 @@
+# Any changes to the Scala 3 Standard Library must be approve
+# by one of the officers responsible of maintaining it
+/library/      @scala/stdlib-officers
+/library-aux/  @scala/stdlib-officers
+/library-js/   @scala/stdlib-officers
diff --git a/.github/workflows/lts-backport.yaml b/.github/workflows/lts-backport.yaml
@@ -16,7 +16,7 @@ jobs:
         with:
           fetch-depth: 0
       - uses: coursier/cache-action@v6
-      - uses: VirtusLab/scala-cli-setup@v1.8.4
+      - uses: VirtusLab/scala-cli-setup@v1.9.0
       - run: scala-cli ./project/scripts/addToBackportingProject.scala -- ${{ github.sha }}
         env:
           GRAPHQL_API_TOKEN: ${{ secrets.GRAPHQL_API_TOKEN }}

diff --git a/.github/workflows/stdlib.yaml b/.github/workflows/stdlib.yaml
@@ -0,0 +1,292 @@
+name: Compile Full Standard Library
+
+on:
+  push:
+    branches:
+      - 'main'
+  pull_request:
+
+permissions:
+  contents: read
+
+jobs:
+  scala-library-nonbootstrapped:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Git Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up JDK 17
+        uses: actions/setup-java@v4
+        with:
+          distribution: 'temurin'
+          java-version: 17
+          cache: 'sbt'
+
+      - uses: sbt/setup-sbt@v1
+      - name: Compile `scala-library-nonbootstrapped`
+        run: ./project/scripts/sbt scala-library-nonbootstrapped/compile
+
+  scala3-library-nonbootstrapped:
+    runs-on: ubuntu-latest
+    ##needs: [scala-library-nonbootstrapped] Add when we add support for caching here
+    steps:
+      - name: Git Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up JDK 17
+        uses: actions/setup-java@v4
+        with:
+          distribution: 'temurin'
+          java-version: 17
+          cache: 'sbt'
+
+      - uses: sbt/setup-sbt@v1
+      - name: Compile `scala3-library-nonbootstrapped`
+        run: ./project/scripts/sbt scala3-library-nonbootstrapped/compile
+
+  scala-library-bootstrapped:
+    runs-on: ubuntu-latest
+    needs  : [scala3-compiler-nonbootstrapped, scala3-sbt-bridge-nonbootstrapped, scala-library-nonbootstrapped, scala3-library-nonbootstrapped]
+    steps:
+      - name: Git Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up JDK 17
+        uses: actions/setup-java@v4
+        with:
+          distribution: 'temurin'
+          java-version: 17
+          cache: 'sbt'
+
+      - uses: sbt/setup-sbt@v1
+      - name: Compile `scala-library-bootstrapped`
+        run: ./project/scripts/sbt scala-library-bootstrapped/compile
+
+  scala3-library-bootstrapped:
+    runs-on: ubuntu-latest
+    ##needs: [scala-library-bootstrapped] Add when we add support for caching here
+    steps:
+      - name: Git Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up JDK 17
+        uses: actions/setup-java@v4
+        with:
+          distribution: 'temurin'
+          java-version: 17
+          cache: 'sbt'
+
+      - uses: sbt/setup-sbt@v1
+      - name: Compile `scala3-library-bootstrapped`
+        run: ./project/scripts/sbt scala3-library-bootstrapped-new/compile
+
+  tasty-core-nonbootstrapped:
+    runs-on: ubuntu-latest
+    ##needs: [scala3-library-nonbootstrapped] Add when we add support for caching here
+    steps:
+      - name: Git Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up JDK 17
+        uses: actions/setup-java@v4
+        with:
+          distribution: 'temurin'
+          java-version: 17
+          cache: 'sbt'
+      - uses: sbt/setup-sbt@v1
+      - name: Compile `tasty-core-nonbootstrapped`
+        run: ./project/scripts/sbt tasty-core-nonbootstrapped/compile
+
+  scala3-compiler-nonbootstrapped:
+    runs-on: ubuntu-latest
+    ##needs: [tasty-core-nonbootstrapped, scala3-library-nonbootstrapped] Add when we add support for caching here
+    steps:
+      - name: Git Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up JDK 17
+        uses: actions/setup-java@v4
+        with:
+          distribution: 'temurin'
+          java-version: 17
+          cache: 'sbt'
+      - uses: sbt/setup-sbt@v1
+      - name: Compile `scala3-compiler-nonbootstrapped`
+        run: ./project/scripts/sbt scala3-compiler-nonbootstrapped/compile
+
+  scala3-sbt-bridge-nonbootstrapped:
+    runs-on: ubuntu-latest
+    ##needs: [scala3-compiler-nonbootstrapped] Add when we add support for caching here
+    steps:
+      - name: Git Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up JDK 17
+        uses: actions/setup-java@v4
+        with:
+          distribution: 'temurin'
+          java-version: 17
+          cache: 'sbt'
+      - uses: sbt/setup-sbt@v1
+      - name: Compile `scala3-sbt-bridge-nonbootstrapped`
+        run: ./project/scripts/sbt scala3-sbt-bridge-nonbootstrapped/compile
+
+  tasty-core-bootstrapped:
+    runs-on: ubuntu-latest
+    ##needs: [scala3-library-bootstrapped] Add when we add support for caching here
+    steps:
+      - name: Git Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up JDK 17
+        uses: actions/setup-java@v4
+        with:
+          distribution: 'temurin'
+          java-version: 17
+          cache: 'sbt'
+      - uses: sbt/setup-sbt@v1
+      - name: Compile `tasty-core-bootstrapped`
+        run: ./project/scripts/sbt tasty-core-bootstrapped-new/compile
+
+  scala3-compiler-bootstrapped:
+    runs-on: ubuntu-latest
+    ##needs: [tasty-core-bootstrapped, scala3-library-bootstrapped] Add when we add support for caching here
+    steps:
+      - name: Git Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up JDK 17
+        uses: actions/setup-java@v4
+        with:
+          distribution: 'temurin'
+          java-version: 17
+          cache: 'sbt'
+      - uses: sbt/setup-sbt@v1
+      - name: Compile `scala3-compiler-bootstrapped`
+        run: ./project/scripts/sbt scala3-compiler-bootstrapped-new/compile
+
+  scala3-sbt-bridge-bootstrapped:
+    runs-on: ubuntu-latest
+    ##needs: [scala3-compiler-bootstrapped] Add when we add support for caching here
+    steps:
+      - name: Git Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up JDK 17
+        uses: actions/setup-java@v4
+        with:
+          distribution: 'temurin'
+          java-version: 17
+          cache: 'sbt'
+      - uses: sbt/setup-sbt@v1
+      - name: Compile `scala3-sbt-bridge-bootstrapped`
+        run: ./project/scripts/sbt scala3-sbt-bridge-bootstrapped/compile
+
+  scala3-staging:
+    runs-on: ubuntu-latest
+    ##needs: [scala3-compiler-bootstrapped] Add when we add support for caching here
+    steps:
+      - name: Git Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up JDK 17
+        uses: actions/setup-java@v4
+        with:
+          distribution: 'temurin'
+          java-version: 17
+          cache: 'sbt'
+      - uses: sbt/setup-sbt@v1
+      - name: Compile `scala3-staging`
+        run: ./project/scripts/sbt scala3-staging-new/compile
+
+  scala3-tasty-inspector:
+    runs-on: ubuntu-latest
+    ##needs: [scala3-compiler-bootstrapped] Add when we add support for caching here
+    steps:
+      - name: Git Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up JDK 17
+        uses: actions/setup-java@v4
+        with:
+          distribution: 'temurin'
+          java-version: 17
+          cache: 'sbt'
+      - uses: sbt/setup-sbt@v1
+      - name: Compile `scala3-staging`
+        run: ./project/scripts/sbt scala3-staging-new/compile
+      - name: Compile `scala3-tasty-inspector`
+        run: ./project/scripts/sbt scala3-tasty-inspector-new/compile
+
+  #################################################################################################
+  ########################################### TEST JOBS ###########################################
+  #################################################################################################
+
+  test-scala3-sbt-bridge-nonbootstrapped:
+    runs-on: ubuntu-latest
+    ##needs: [scala3-sbt-bridge-nonbootstrapped] Add when we add support for caching here
+    steps:
+      - name: Git Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up JDK 17
+        uses: actions/setup-java@v4
+        with:
+          distribution: 'temurin'
+          java-version: 17
+          cache: 'sbt'
+      - uses: sbt/setup-sbt@v1
+      - name: Test `scala3-sbt-bridge-nonbootstrapped`
+        run: ./project/scripts/sbt scala3-sbt-bridge-nonbootstrapped/test
+
+  test-scala3-sbt-bridge-bootstrapped:
+    runs-on: ubuntu-latest
+    ##needs: [scala3-sbt-bridge-bootstrapped] Add when we add support for caching here
+    steps:
+      - name: Git Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up JDK 17
+        uses: actions/setup-java@v4
+        with:
+          distribution: 'temurin'
+          java-version: 17
+          cache: 'sbt'
+      - uses: sbt/setup-sbt@v1
+      - name: Test `scala3-sbt-bridge-bootstrapped`
+        run: ./project/scripts/sbt scala3-sbt-bridge-bootstrapped/test
+
+  test-tasty-core-nonbootstrapped:
+    runs-on: ubuntu-latest
+    ##needs: [tasty-core-nonbootstrapped] Add when we add support for caching here
+    steps:
+      - name: Git Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up JDK 17
+        uses: actions/setup-java@v4
+        with:
+          distribution: 'temurin'
+          java-version: 17
+          cache: 'sbt'
+      - uses: sbt/setup-sbt@v1
+      - name: Test `tasty-core-nonbootstrapped`
+        run: ./project/scripts/sbt tasty-core-nonbootstrapped/test
+
+  test-tasty-core-bootstrapped:
+    runs-on: ubuntu-latest
+    ##needs: [tasty-core-bootstrapped] Add when we add support for caching here
+    steps:
+      - name: Git Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up JDK 17
+        uses: actions/setup-java@v4
+        with:
+          distribution: 'temurin'
+          java-version: 17
+          cache: 'sbt'
+      - uses: sbt/setup-sbt@v1
+      - name: Test `tasty-core-bootstrapped`
+        run: ./project/scripts/sbt tasty-core-bootstrapped-new/test
diff --git a/build.sbt b/build.sbt
@@ -1,15 +1,27 @@
 val scala3 = Build.scala3
+val `scala3-nonbootstrapped` = Build.`scala3-nonbootstrapped`
 val `scala3-bootstrapped` = Build.`scala3-bootstrapped`
+val `scala3-bootstrapped-new` = Build.`scala3-bootstrapped-new`
 val `scala3-interfaces` = Build.`scala3-interfaces`
 val `scala3-compiler` = Build.`scala3-compiler`
+val `scala3-compiler-nonbootstrapped` = Build.`scala3-compiler-nonbootstrapped`
+val `scala3-compiler-bootstrapped-new` = Build.`scala3-compiler-bootstrapped-new`
 val `scala3-compiler-bootstrapped` = Build.`scala3-compiler-bootstrapped`
+val `scala-library-nonbootstrapped` = Build.`scala-library-nonbootstrapped`
+val `scala3-library-nonbootstrapped` = Build.`scala3-library-nonbootstrapped`
+val `scala-library-bootstrapped` = Build.`scala-library-bootstrapped`
+val `scala3-library-bootstrapped-new` = Build.`scala3-library-bootstrapped-new`
 val `scala3-library` = Build.`scala3-library`
 val `scala3-library-bootstrapped` = Build.`scala3-library-bootstrapped`
 val `scala3-library-bootstrappedJS` = Build.`scala3-library-bootstrappedJS`
 val `scala3-sbt-bridge` = Build.`scala3-sbt-bridge`
+val `scala3-sbt-bridge-bootstrapped` = Build.`scala3-sbt-bridge-bootstrapped`
+val `scala3-sbt-bridge-nonbootstrapped` = Build.`scala3-sbt-bridge-nonbootstrapped`
 val `scala3-sbt-bridge-tests` = Build.`scala3-sbt-bridge-tests`
 val `scala3-staging` = Build.`scala3-staging`
+val `scala3-staging-new` = Build.`scala3-staging-new`
 val `scala3-tasty-inspector` = Build.`scala3-tasty-inspector`
+val `scala3-tasty-inspector-new` = Build.`scala3-tasty-inspector-new`
 val `scala3-language-server` = Build.`scala3-language-server`
 val `scala3-bench` = Build.`scala3-bench`
 val `scala3-bench-bootstrapped` = Build.`scala3-bench-bootstrapped`
@@ -19,6 +31,8 @@ val `scala2-library-tasty` = Build.`scala2-library-tasty`
 val `scala2-library-cc` = Build.`scala2-library-cc`
 val `scala2-library-cc-tasty` = Build.`scala2-library-cc-tasty`
 val `tasty-core` = Build.`tasty-core`
+val `tasty-core-nonbootstrapped` = Build.`tasty-core-nonbootstrapped`
+val `tasty-core-bootstrapped-new` = Build.`tasty-core-bootstrapped-new`
 val `tasty-core-bootstrapped` = Build.`tasty-core-bootstrapped`
 val `tasty-core-scala2` = Build.`tasty-core-scala2`
 val scaladoc = Build.scaladoc