diff --git a/.github/composite-actions/linux-tests-host/action.yml b/.github/composite-actions/linux-tests-host/action.yml
index eb4cc14e9..6414e0483 100644
--- a/.github/composite-actions/linux-tests-host/action.yml
+++ b/.github/composite-actions/linux-tests-host/action.yml
@@ -5,10 +5,10 @@ runs:
   using: "composite"
   steps:
     - name: Setup JDK 26
-      uses: actions/setup-java@v5
+      uses: actions/setup-java@v6
       with:
         distribution: 'corretto'
-        java-version: '26'
+        java-version: '27'
 
     - name: Tests Host
       shell: bash
diff --git a/.github/workflows/Java.yml b/.github/workflows/Java.yml
index 1bb9b2b26..12ef85c28 100644
--- a/.github/workflows/Java.yml
+++ b/.github/workflows/Java.yml
@@ -26,25 +26,31 @@ on:
         required: false
         default: ''
         type: 'string'
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}-${{ github.head_ref || '' }}-${{ github.base_ref || '' }}-${{ (github.ref != 'refs/heads/main' && !startsWith(github.ref, 'refs/heads/v')) || github.run_id }}
+  cancel-in-progress: true
 
 jobs:
 
   format-check:
     name: Format Check
     if: ${{ !(github.event_name == 'pull_request' && startsWith(github.head_ref, 'vendoring-')) }}
-    runs-on: ubuntu-latest
+    runs-on: ${{ github.repository_owner == 'duckdb' && 'namespace-profile-linux-slim' || 'ubuntu-latest' }}
     steps:
       - uses: actions/checkout@v7
         with:
           fetch-depth: 0
       - run: |
           python ./scripts/retry.py --timeout 1m -- \
-            python -m pip install --user clang_format==11.0.1
+            python -m pip install --user --break-system-packages clang_format==11.0.1
+          export PATH=~/.local/bin:$PATH 
+          which clang-format
+          clang-format --version
           make format-check
 
   java-linux-amd64:
     name: Linux (amd64)
-    runs-on: ubuntu-latest
+    runs-on: ${{ github.repository_owner == 'duckdb' && 'namespace-profile-linux-x64' || 'ubuntu-latest' }}
     needs: format-check
     env:
       MANYLINUX_IMAGE: quay.io/pypa/manylinux_2_28_x86_64
@@ -109,7 +115,7 @@ jobs:
 
   java-linux-amd64-tck:
     name: Linux TCK (amd64)
-    runs-on: ubuntu-latest
+    runs-on: ${{ github.repository_owner == 'duckdb' && 'namespace-profile-linux-x64' || 'ubuntu-latest' }}
     needs: java-linux-amd64
     env:
       MANYLINUX_IMAGE: quay.io/pypa/manylinux_2_28_x86_64
@@ -171,7 +177,7 @@ jobs:
 
   java-linux-amd64-graal:
     name: Linux Graal (amd64)
-    runs-on: ubuntu-latest
+    runs-on: ${{ github.repository_owner == 'duckdb' && 'namespace-profile-linux-x64' || 'ubuntu-latest' }}
     needs: java-linux-amd64
     env:
       MANYLINUX_IMAGE: quay.io/pypa/manylinux_2_28_x86_64
@@ -215,7 +221,7 @@ jobs:
 
   java-linux-amd64-spark:
     name: Linux Spark (amd64)
-    runs-on: ubuntu-latest
+    runs-on: ${{ github.repository_owner == 'duckdb' && 'namespace-profile-linux-x64' || 'ubuntu-latest' }}
     needs: java-linux-amd64
     env:
       MANYLINUX_IMAGE: quay.io/pypa/manylinux_2_28_x86_64
@@ -235,6 +241,7 @@ jobs:
       MINIO_DATA: ${{ github.workspace }}/sparktest/minio_data
       MINIO_HOST: 127.0.0.1
       MINIO_PORT: 9000
+
     steps:
       - uses: actions/checkout@v7
         with:
@@ -254,6 +261,12 @@ jobs:
           path: ${{ github.workspace }}/ccache
           key: ${{ steps.cache_key.outputs.value }}
 
+      - name: Setup JDK
+        uses: actions/setup-java@v6
+        with:
+          distribution: corretto
+          java-version: '17'
+
       - name: Build
         if: ${{ inputs.skip_tests != 'true' }}
         uses: ./.github/composite-actions/linux-build-docker
@@ -268,15 +281,20 @@ jobs:
           cmake ..
 
       - name: Setup Postgres
-        if: ${{ inputs.skip_tests != 'true' }}
-        uses: ikalnytskyi/action-setup-postgres@v7
-        with:
-          postgres-version: '17'
-          username: ${{ env.POSTGRES_USERNAME }}
-          password: ${{ env.POSTGRES_PASSWORD }}
-          database: ${{ env.POSTGRES_MAINTENANCE_DB }}
-          port: ${{ env.POSTGRES_PORT }}
-          ssl: true
+        run: |
+          docker run -d \
+            --name postgres \
+            -p 5432:${{ env.POSTGRES_PORT }} \
+            -e POSTGRES_USER=${{ env.POSTGRES_USERNAME }} \
+            -e POSTGRES_PASSWORD=${{ env.POSTGRES_PASSWORD }} \
+            -e POSTGRES_DB=${{ env.POSTGRES_MAINTENANCE_DB }} \
+            ghcr.io/infrastructure-as-code/postgres:18-alpine
+          python ./scripts/retry.py --retries 0 --timeout 1m -- \
+            bash -lc '
+              until docker exec postgres pg_isready -U ${{ env.POSTGRES_USERNAME }} -d ${{ env.POSTGRES_MAINTENANCE_DB }}; do
+                sleep 2
+              done
+            '
 
       - name: Setup Minio
         if: ${{ inputs.skip_tests != 'true' }}
@@ -318,7 +336,7 @@ jobs:
 
   java-linux-amd64-asan:
     name: Linux ASan (amd64)
-    runs-on: ubuntu-latest
+    runs-on: ${{ github.repository_owner == 'duckdb' && 'namespace-profile-linux-x64' || 'ubuntu-latest' }}
     needs: java-linux-amd64
     env:
       GEN: ninja
@@ -333,8 +351,8 @@ jobs:
 
       - name: Dependencies
         run: |
-          echo "set man-db/auto-update false" | sudo debconf-communicate
-          sudo dpkg-reconfigure man-db
+          echo "set man-db/auto-update false" | sudo debconf-communicate || true
+          sudo dpkg-reconfigure man-db || true
           python ./scripts/retry.py --timeout 2m -- \
             sudo apt-get update -y -q -o=Dpkg::Use-Pty=0
           python ./scripts/retry.py --timeout 2m -- \
@@ -417,7 +435,7 @@ jobs:
 
   java-linux-amd64-jepsen:
     name: Linux Jepsen (amd64)
-    runs-on: ubuntu-latest
+    runs-on: ${{ github.repository_owner == 'duckdb' && 'namespace-profile-linux-x64' || 'ubuntu-latest' }}
     needs: java-linux-amd64
     env:
       MANYLINUX_IMAGE: quay.io/pypa/manylinux_2_28_x86_64
@@ -453,8 +471,8 @@ jobs:
 
       - name: Install Dependencies 
         run: |
-          echo "set man-db/auto-update false" | sudo debconf-communicate
-          sudo dpkg-reconfigure man-db
+          echo "set man-db/auto-update false" | sudo debconf-communicate || true
+          sudo dpkg-reconfigure man-db || true
           python ./scripts/retry.py --timeout 1m -- \
             sudo apt-get update -y -q -o=Dpkg::Use-Pty=0
           python ./scripts/retry.py --timeout 1m -- \
@@ -463,13 +481,11 @@ jobs:
             graphviz \
             leiningen
 
-      - name: Setup Default Java
-        run: |
-          echo "JAVA_HOME=${JAVA_HOME_21_X64}" >> $GITHUB_ENV
-          echo "${JAVA_HOME_21_X64}/bin" >> $GITHUB_PATH
-          sudo update-alternatives --set java /usr/lib/jvm/java-21-openjdk-amd64/bin/java
-          sudo update-alternatives --set javac /usr/lib/jvm/java-21-openjdk-amd64/bin/javac
-          /usr/bin/java --version
+      - name: Setup JDK
+        uses: actions/setup-java@v6
+        with:
+          distribution: corretto
+          java-version: '21'
 
       - name: Check JDK version
         run: |
@@ -522,7 +538,7 @@ jobs:
 
   java-linux-aarch64:
     name: Linux (aarch64)
-    runs-on: ubuntu-24.04-arm
+    runs-on: ${{ github.repository_owner == 'duckdb' && 'namespace-profile-linux-arm64' || 'ubuntu-24.04-arm' }}
     needs: java-linux-amd64
     env:
       MANYLINUX_IMAGE: quay.io/pypa/manylinux_2_28_aarch64
@@ -581,7 +597,7 @@ jobs:
 
   java-linux-amd64-musl:
     name: Linux (amd64-musl)
-    runs-on: ubuntu-latest
+    runs-on: ${{ github.repository_owner == 'duckdb' && 'namespace-profile-linux-x64' || 'ubuntu-latest' }}
     needs: java-linux-amd64
     env:
       ALPINE_IMAGE: alpine:3.22
@@ -636,7 +652,7 @@ jobs:
 
   java-linux-aarch64-musl:
     name: Linux (aarch64-musl)
-    runs-on: ubuntu-24.04-arm
+    runs-on: ${{ github.repository_owner == 'duckdb' && 'namespace-profile-linux-arm64' || 'ubuntu-24.04-arm' }}
     needs: java-linux-amd64
     env:
       ALPINE_IMAGE: alpine:3.22
@@ -691,7 +707,7 @@ jobs:
 
   java-windows-amd64:
     name: Windows (amd64)
-    runs-on: windows-latest
+    runs-on: ${{ github.repository_owner == 'duckdb' && 'namespace-profile-windows-x64' || 'windows-latest' }}
     needs: java-linux-amd64
     env:
       CC: 'ccache cl'
@@ -711,6 +727,12 @@ jobs:
             ccache \
             -y --force --no-progress
 
+      - name: Setup JDK 
+        uses: actions/setup-java@v6
+        with:
+          distribution: corretto
+          java-version: '8'
+
       - name: Cache Key
         id: cache_key
         shell: bash
@@ -728,13 +750,13 @@ jobs:
       - name: Build
         shell: cmd
         run: |
-          call "C:\Program Files\Microsoft Visual Studio\18\Enterprise\VC\Auxiliary\Build\vcvars64.bat"
+          call "C:\Program Files\Microsoft Visual Studio\2022\Enterprise\VC\Auxiliary\Build\vcvars64.bat"
           mkdir build
           cd build
           mkdir release
           cd release
           cmake ../.. -G Ninja -DCMAKE_BUILD_TYPE=Release
-          cmake --build . --config Release
+          cmake --build . --config Release --parallel
 
       - name: Save Cache
         uses: actions/cache/save@v6
@@ -745,7 +767,7 @@ jobs:
       - name: List Symbols
         shell: cmd
         run: |
-          call "C:\Program Files\Microsoft Visual Studio\18\Enterprise\VC\Auxiliary\Build\vcvars64.bat"
+          call "C:\Program Files\Microsoft Visual Studio\2022\Enterprise\VC\Auxiliary\Build\vcvars64.bat"
           dumpbin.exe /imports build\release\libduckdb_java.so_windows_amd64
           dumpbin.exe /exports build\release\libduckdb_java.so_windows_amd64
 
@@ -764,7 +786,7 @@ jobs:
 
   java-windows-aarch64:
     name: Windows (aarch64)
-    runs-on: windows-11-arm
+    runs-on: ${{ github.repository_owner == 'duckdb' && 'namespace-profile-windows-x64' || 'windows-latest' }}
     needs: java-linux-amd64
     env:
       CC: 'ccache cl'
@@ -776,10 +798,6 @@ jobs:
           fetch-depth: 0
           ref: ${{ inputs.git_ref }}
 
-      - uses: actions/setup-python@v5
-        with:
-          python-version: "3.12"
-
       - name: Dependencies
         shell: bash
         run: |
@@ -788,6 +806,12 @@ jobs:
             ccache \
             -y --force --no-progress
 
+      - name: Setup JDK 
+        uses: actions/setup-java@v6
+        with:
+          distribution: corretto
+          java-version: '8'
+
       - name: Cache Key
         id: cache_key
         shell: bash
@@ -805,13 +829,13 @@ jobs:
       - name: Build
         shell: cmd
         run: |
-          call "C:\Program Files\Microsoft Visual Studio\18\Enterprise\VC\Auxiliary\Build\vcvarsarm64.bat"
+          call "C:\Program Files\Microsoft Visual Studio\2022\Enterprise\VC\Auxiliary\Build\vcvarsamd64_arm64.bat"
           mkdir build
           cd build
           mkdir release
           cd release
-          cmake ../.. -G Ninja -DCMAKE_BUILD_TYPE=Release
-          cmake --build . --config Release
+          cmake ../.. -G Ninja -DCMAKE_BUILD_TYPE=Release -DOVERRIDE_JDBC_OS_ARCH=arm64
+          cmake --build . --config Release --parallel
 
       - name: Save Cache
         uses: actions/cache/save@v6
@@ -822,12 +846,12 @@ jobs:
       - name: List Symbols
         shell: cmd
         run: |
-          call "C:\Program Files\Microsoft Visual Studio\18\Enterprise\VC\Auxiliary\Build\vcvarsarm64.bat"
+          call "C:\Program Files\Microsoft Visual Studio\2022\Enterprise\VC\Auxiliary\Build\vcvarsamd64_arm64.bat"
           dumpbin.exe /imports build\release\libduckdb_java.so_windows_arm64
           dumpbin.exe /exports build\release\libduckdb_java.so_windows_arm64
 
       - name: Java Tests
-        if: ${{ inputs.skip_tests != 'true' }}
+        if: ${{ false && inputs.skip_tests != 'true' }}
         shell: bash
         run: |
           java -version
@@ -841,7 +865,7 @@ jobs:
 
   java-osx-universal:
     name: macOS (Universal)
-    runs-on: macos-latest
+    runs-on: ${{ github.repository_owner == 'duckdb' && 'namespace-profile-macos-arm64' || 'macos-latest' }}
     needs: java-linux-amd64
     env:
       GEN: ninja
@@ -853,10 +877,6 @@ jobs:
         with:
           fetch-depth: 0
 
-      - uses: actions/setup-python@v5
-        with:
-          python-version: "3.14"
-
       - name: Cache Key
         id: cache_key
         run: |
@@ -877,6 +897,12 @@ jobs:
             ccache \
             ninja
 
+      - name: Setup JDK
+        uses: actions/setup-java@v6
+        with:
+          distribution: corretto
+          java-version: '8'
+
       - name: Build
         shell: bash
         run: make release
@@ -913,7 +939,7 @@ jobs:
   maven-deploy:
     if: ${{ github.repository == 'duckdb/duckdb-java' && startsWith(github.ref, 'refs/tags/') }}
     name: Maven Deploy
-    runs-on: ubuntu-latest
+    runs-on: ${{ github.repository_owner == 'duckdb' && 'namespace-profile-linux-slim' || 'ubuntu-latest' }}
     needs:
       - java-linux-amd64
       - java-linux-amd64-tck
@@ -994,7 +1020,7 @@ jobs:
   maven-snapshot-deploy:
     if: ${{ github.repository == 'duckdb/duckdb-java' && (github.ref == 'refs/heads/v2.0-cyanoptera' || github.ref == 'refs/heads/vendoring-v2.0-cyanoptera') && github.event_name == 'workflow_dispatch' }}
     name: Maven S3 Deploy
-    runs-on: ubuntu-latest
+    runs-on: ${{ github.repository_owner == 'duckdb' && 'namespace-profile-linux-slim' || 'ubuntu-latest' }}
     needs:
       - java-linux-amd64
       - java-linux-amd64-tck
@@ -1082,7 +1108,7 @@ jobs:
       - java-windows-amd64
       - java-windows-aarch64
       - java-osx-universal
-    runs-on: ubuntu-latest
+    runs-on: ${{ github.repository_owner == 'duckdb' && 'namespace-profile-linux-slim' || 'ubuntu-latest' }}
     steps:
       - uses: actions/checkout@v7
         with:
diff --git a/.github/workflows/Vendor.yml b/.github/workflows/Vendor.yml
index 084aaf48c..9d75da574 100644
--- a/.github/workflows/Vendor.yml
+++ b/.github/workflows/Vendor.yml
@@ -29,7 +29,7 @@ jobs:
   vendor:
     name: "Update Vendored Sources"
     if: ${{ github.repository == 'duckdb/duckdb-java' }}
-    runs-on: ubuntu-latest
+    runs-on: ${{ github.repository_owner == 'duckdb' && 'namespace-profile-linux-slim' || 'ubuntu-latest' }}
     permissions:
       actions: write
       contents: write