diff --git a/.cargo/config.toml b/.cargo/config.toml
index abb061f6..87890bb2 100644
--- a/.cargo/config.toml
+++ b/.cargo/config.toml
@@ -17,22 +17,25 @@
 #   173K, loading works
 # Conclusion: -lgcc_eh has no effect when using -Z build-std.
 
-[target.x86_64-unknown-linux-gnu]
+[target.'cfg(target_os = "linux")']
 rustflags = [
     "-C", "link-arg=-lgcc_eh",
 ]
 
+[target.x86_64-unknown-linux-gnu]
+linker = "x86_64-linux-gnu-gcc"
+
 [target.i686-unknown-linux-gnu]
-rustflags = [
-    "-C", "link-arg=-lgcc_eh",
-]
+linker = "i686-linux-gnu-gcc"
 
 [target.aarch64-unknown-linux-gnu]
 linker = "aarch64-linux-gnu-gcc"
-rustflags = [
-    "-C", "link-arg=-lgcc_eh",
-]
 
+[target.armv7-unknown-linux-gnueabihf]
+linker = "arm-linux-gnueabihf-gcc"
+
+[target.riscv64gc-unknown-linux-gnu]
+linker = "riscv64-linux-gnu-gcc"
 
 # For iOS and macOS, we need to specify the minimum/target version.
 # This must match the versions in the podspec file.
diff --git a/.github/actions/android/action.yml b/.github/actions/android/action.yml
index f973471c..0147576a 100644
--- a/.github/actions/android/action.yml
+++ b/.github/actions/android/action.yml
@@ -56,7 +56,7 @@ runs:
       uses: actions/upload-artifact@v4
       with:
         name: android-library
-        retention-days: 1
+        retention-days: 14
         compression-level: 0 # We're uploading a zip, no need to compress again
         path: android/build/distributions/powersync_android.zip
         if-no-files-found: error
diff --git a/.github/actions/linux/action.yml b/.github/actions/linux/action.yml
new file mode 100644
index 00000000..d1bbfbc2
--- /dev/null
+++ b/.github/actions/linux/action.yml
@@ -0,0 +1,37 @@
+name: "Build Linux libraries"
+description: "Create artifact for Linux libraries"
+
+runs:
+  using: "composite"
+  steps:
+    - name: Install Rust Nightly
+      uses: dtolnay/rust-toolchain@stable
+      with:
+        toolchain: nightly-2025-04-15
+        components: rust-src
+        targets: aarch64-unknown-linux-gnu,x86_64-unknown-linux-gnu,i686-unknown-linux-gnu,riscv64gc-unknown-linux-gnu,armv7-unknown-linux-gnueabihf
+    
+    - name: Install cross-compiling GCC
+      shell: bash
+      run: |
+        sudo apt install -y gcc-aarch64-linux-gnu gcc-riscv64-linux-gnu gcc-arm-linux-gnueabihf gcc-i686-linux-gnu
+
+    - name: Build binaries
+      shell: bash
+      run: |
+        ./tool/build_linux.sh x64
+        ./tool/build_linux.sh aarch64
+        ./tool/build_linux.sh x86
+        ./tool/build_linux.sh armv7
+        ./tool/build_linux.sh riscv64gc
+
+    - uses: actions/upload-artifact@v4
+      with:
+        name: linux-library
+        retention-days: 14
+        path: |
+          libpowersync_x64.so
+          libpowersync_x86.so
+          libpowersync_aarch64.so
+          libpowersync_armv7.so
+          libpowersync_riscv64gc.so
diff --git a/.github/actions/macos/action.yml b/.github/actions/macos/action.yml
new file mode 100644
index 00000000..e304e37a
--- /dev/null
+++ b/.github/actions/macos/action.yml
@@ -0,0 +1,26 @@
+name: "Build macoS libraries"
+description: "Create artifact for macOS libraries"
+
+runs:
+  using: "composite"
+  steps:
+    - name: Install Rust Nightly
+      uses: dtolnay/rust-toolchain@stable
+      with:
+        toolchain: nightly-2025-04-15
+        components: rust-src
+        targets: x86_64-apple-darwin,aarch64-apple-darwin
+    
+    - name: Build binaries
+      shell: bash
+      run: |
+        ./tool/build_macos.sh x64
+        ./tool/build_macos.sh aarch64
+
+    - uses: actions/upload-artifact@v4
+      with:
+        name: macos-library
+        retention-days: 14
+        path: |
+          libpowersync_x64.dylib
+          libpowersync_aarch64.dylib
diff --git a/.github/actions/wasm/action.yml b/.github/actions/wasm/action.yml
new file mode 100644
index 00000000..723bf3aa
--- /dev/null
+++ b/.github/actions/wasm/action.yml
@@ -0,0 +1,29 @@
+name: "Build wasm libraries"
+description: "Create artifact for wasm libraries"
+
+runs:
+  using: "composite"
+  steps:
+    - name: Install Rust Nightly
+      uses: dtolnay/rust-toolchain@stable
+      with:
+        toolchain: nightly-2025-04-15
+        components: rust-src
+
+    - name: Setup emsdk
+      uses: mymindstorm/setup-emsdk@v14
+      with:
+        version: 4.0.10
+
+    - name: Build WASM
+      shell: bash
+      run: ./tool/build_wasm.sh
+
+    - uses: actions/upload-artifact@v4
+      with:
+        name: wasm-library
+        retention-days: 14
+        path: |
+          libpowersync-async.wasm
+          libpowersync.wasm
+          libpowersync-wasm.a
diff --git a/.github/actions/windows/action.yml b/.github/actions/windows/action.yml
new file mode 100644
index 00000000..46d55c28
--- /dev/null
+++ b/.github/actions/windows/action.yml
@@ -0,0 +1,28 @@
+name: "Build Windows libraries"
+description: "Create artifact for Windows libraries"
+
+runs:
+  using: "composite"
+  steps:
+    - name: Install Rust Nightly
+      uses: dtolnay/rust-toolchain@stable
+      with:
+        toolchain: nightly-2025-04-15
+        components: rust-src
+        targets: x86_64-pc-windows-msvc,aarch64-pc-windows-msvc,i686-pc-windows-msvc
+
+    - name: Build binaries
+      shell: bash
+      run: |
+        ./tool/build_windows.sh x64
+        ./tool/build_windows.sh aarch64
+        ./tool/build_windows.sh x86
+
+    - uses: actions/upload-artifact@v4
+      with:
+        name: windows-library
+        retention-days: 14
+        path: |
+          powersync_x64.dll
+          powersync_aarch64.dll
+          powersync_x86.dll          
diff --git a/.github/actions/xcframework/action.yml b/.github/actions/xcframework/action.yml
new file mode 100644
index 00000000..5e4c498d
--- /dev/null
+++ b/.github/actions/xcframework/action.yml
@@ -0,0 +1,45 @@
+name: "Build xcframework"
+description: "Create artifact with XCFramework for apple targets"
+
+runs:
+  using: "composite"
+  steps:
+    - name: Setup
+      shell: bash
+      run: |
+        rustup toolchain install nightly-2025-04-15-aarch64-apple-darwin
+        rustup component add rust-src --toolchain nightly-2025-04-15-aarch64-apple-darwin
+        rustup target add \
+          x86_64-apple-darwin \
+          aarch64-apple-darwin \
+          aarch64-apple-ios \
+          aarch64-apple-ios-sim \
+          x86_64-apple-ios
+
+    - name: setup-cocoapods
+      uses: maxim-lobanov/setup-cocoapods@v1
+      with:
+        version: 1.16.2
+
+    - name: Set up XCode
+      uses: maxim-lobanov/setup-xcode@v1
+      with:
+        xcode-version: latest-stable
+
+    - name: Build iOS & macOS xcframework
+      shell: bash
+      run: |
+        ./tool/build_xcframework.sh
+
+    - name: Lint pod
+      shell: bash
+      run: |
+        pod lib lint
+
+    - uses: actions/upload-artifact@v4
+      with:
+        name: xcframework
+        retention-days: 14
+        compression: 0 # We're uploading a zip archive, no need to compress agan
+        path: |
+          powersync-sqlite-core.xcframework.zip
diff --git a/.github/workflows/android.yml b/.github/workflows/android.yml
deleted file mode 100644
index 12ca5ce2..00000000
--- a/.github/workflows/android.yml
+++ /dev/null
@@ -1,17 +0,0 @@
-on:
-  push:
-  pull_request:
-name: "android"
-jobs:
-  build:
-    name: Building Android
-    if: github.event_name == 'push' || (github.event_name == 'pull_request' && github.event.pull_request.head.repo.full_name != github.repository)
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-        with:
-          submodules: true
-      - name: Build Android
-        uses: ./.github/actions/android
-        with:
-          sign-publication: '0'
diff --git a/.github/workflows/ios.yml b/.github/workflows/ios.yml
deleted file mode 100644
index 4c6057ee..00000000
--- a/.github/workflows/ios.yml
+++ /dev/null
@@ -1,37 +0,0 @@
-on:
-  push:
-  pull_request:
-name: "ios"
-jobs:
-  build:
-    name: Building iOS
-    if: github.event_name == 'push' || (github.event_name == 'pull_request' && github.event.pull_request.head.repo.full_name != github.repository)
-    runs-on: macos-latest
-    steps:
-      - uses: actions/checkout@v3
-        with:
-          submodules: true
-
-      - name: Setup
-        run: |
-          rustup toolchain install nightly-2025-04-15-aarch64-apple-darwin
-          rustup component add rust-src --toolchain nightly-2025-04-15-aarch64-apple-darwin
-          rustup target add \
-            x86_64-apple-darwin \
-            aarch64-apple-darwin \
-            aarch64-apple-ios \
-            aarch64-apple-ios-sim \
-            x86_64-apple-ios
-
-      - name: setup-cocoapods
-        uses: maxim-lobanov/setup-cocoapods@v1
-        with:
-          version: 1.16.2
-
-      - name: Build iOS & macOS xcframework
-        run: |
-          ./tool/build_xcframework.sh
-
-      - name: Lint pod
-        run: |
-          pod lib lint
diff --git a/.github/workflows/linux.yml b/.github/workflows/linux.yml
deleted file mode 100644
index 0e8d7cb9..00000000
--- a/.github/workflows/linux.yml
+++ /dev/null
@@ -1,40 +0,0 @@
-on:
-  push:
-  pull_request:
-name: "linux"
-jobs:
-  build_x86_64:
-    name: Building Linux x86_64
-    if: github.event_name == 'push' || (github.event_name == 'pull_request' && github.event.pull_request.head.repo.full_name != github.repository)
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v3
-        with:
-          submodules: true
-
-      - name: Install Rust Nightly
-        uses: dtolnay/rust-toolchain@stable
-        with:
-          toolchain: nightly-2025-04-15
-          components: rust-src
-
-      - name: Build binaries
-        run: ./tool/build_linux.sh x64
-
-  build_aarch64:
-    name: Building Linux aarch64
-    if: github.event_name == 'push' || (github.event_name == 'pull_request' && github.event.pull_request.head.repo.full_name != github.repository)
-    runs-on: ubuntu-arm64
-    steps:
-      - uses: actions/checkout@v3
-        with:
-          submodules: true
-
-      - name: Install Rust Nightly
-        uses: dtolnay/rust-toolchain@stable
-        with:
-          toolchain: nightly-2025-04-15
-          components: rust-src
-
-      - name: Build binaries
-        run: ./tool/build_linux.sh aarch64
diff --git a/.github/workflows/macos.yml b/.github/workflows/macos.yml
deleted file mode 100644
index a59e0cda..00000000
--- a/.github/workflows/macos.yml
+++ /dev/null
@@ -1,40 +0,0 @@
-on:
-  push:
-  pull_request:
-name: "macos"
-jobs:
-  build_macOS_aarch64:
-    name: Building macOS aarch64
-    if: github.event_name == 'push' || (github.event_name == 'pull_request' && github.event.pull_request.head.repo.full_name != github.repository)
-    runs-on: macos-latest
-    steps:
-      - uses: actions/checkout@v3
-        with:
-          submodules: true
-
-      - name: Install Rust Nightly
-        uses: dtolnay/rust-toolchain@stable
-        with:
-          toolchain: nightly-2025-04-15
-          components: rust-src
-
-      - name: Build binary
-        run: ./tool/build_macos.sh aarch64
-
-  build_macOS_x64:
-    name: Building macOS x64
-    if: github.event_name == 'push' || (github.event_name == 'pull_request' && github.event.pull_request.head.repo.full_name != github.repository)
-    runs-on: macos-14
-    steps:
-      - uses: actions/checkout@v3
-        with:
-          submodules: true
-
-      - name: Install Rust Nightly
-        uses: dtolnay/rust-toolchain@stable
-        with:
-          toolchain: nightly-2025-04-15
-          components: rust-src
-
-      - name: Build binary
-        run: ./tool/build_macos.sh x64
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 7c583505..d14ea5e4 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -28,8 +28,42 @@ jobs:
           body="Release $tag"
           gh release create --draft "$tag" --title "$tag" --notes "$body"
 
-  build_android:
-    name: Build Android
+  libs_linux:
+    name: Building Linux libraries
+    if: github.event_name == 'push' || (github.event_name == 'pull_request' && github.event.pull_request.head.repo.full_name != github.repository)  
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          submodules: true
+      - name: Build Android
+        uses: ./.github/actions/linux
+
+  libs_macos:
+    name: Building macOS libraries
+    if: github.event_name == 'push' || (github.event_name == 'pull_request' && github.event.pull_request.head.repo.full_name != github.repository)  
+    runs-on: macos-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          submodules: true
+      - name: Build macOS
+        uses: ./.github/actions/macos
+
+  libs_windows:
+    name: Building Windows libraries
+    if: github.event_name == 'push' || (github.event_name == 'pull_request' && github.event.pull_request.head.repo.full_name != github.repository)  
+    runs-on: windows-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          submodules: true
+      - name: Build Windows
+        uses: ./.github/actions/windows
+
+  libs_android:
+    name: Building Android libraries
+    if: github.event_name == 'push' || (github.event_name == 'pull_request' && github.event.pull_request.head.repo.full_name != github.repository)
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
@@ -41,12 +75,35 @@ jobs:
           gpg-key: ${{ secrets.GPG_PRIVATE_KEY }}
           gpg-password: ${{ secrets.GPG_PASSWORD }}
 
+  libs_wasm:
+    name: Basic WASM build
+    if: github.event_name == 'push' || (github.event_name == 'pull_request' && github.event.pull_request.head.repo.full_name != github.repository)
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          submodules: true
+
+      - name: Build wasm
+        uses: ./.github/actions/wasm
+
+  libs_xcframework:
+    name: Build XCFramework
+    if: github.event_name == 'push' || (github.event_name == 'pull_request' && github.event.pull_request.head.repo.full_name != github.repository)
+    runs-on: macos-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          submodules: true
+      - name: Build XCFramework
+        uses: ./.github/actions/xcframework
+
   publish_android:
     permissions:
       contents: read
       packages: write
     name: Publish Android
-    needs: [ draft_release, build_android ]
+    needs: [ draft_release, libs_android ]
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
@@ -64,32 +121,17 @@ jobs:
 
   publish_ios_pod_and_spm_package:
     name: Publish iOS
-    needs: [ draft_release ]
+    needs: [ draft_release, libs_xcframework ]
     runs-on: macos-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           submodules: true
 
-      - name: Setup
-        run: |
-          rustup toolchain install nightly-2025-04-15-aarch64-apple-darwin
-          rustup component add rust-src --toolchain nightly-2025-04-15-aarch64-apple-darwin
-          rustup target add \
-            x86_64-apple-darwin \
-            aarch64-apple-darwin \
-            aarch64-apple-ios \
-            aarch64-apple-ios-sim \
-            x86_64-apple-ios
-
-      - name: setup-cocoapods
-        uses: maxim-lobanov/setup-cocoapods@v1
+      - name: Download libs
+        uses: actions/download-artifact@v5
         with:
-          version: 1.16.2
-
-      - name: Build iOS & macOS xcframework
-        run: |
-          ./tool/build_xcframework.sh
+          name: xcframework
 
       - name: Lint pod
         run: |
@@ -130,153 +172,54 @@ jobs:
               "fileName": "${{ steps.fileName.outputs.fileName }}"
             }
 
-  publish_linux_x86_64:
-    name: Publish Linux x86_64
-    needs: [ draft_release ]
+  publish_desktop:
+    name: Publish Desktop libraries
+    needs: [ draft_release, libs_linux, libs_macos, libs_windows ]
     runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v3
-        with:
-          submodules: true
-
-      - name: Install Rust Nightly
-        uses: dtolnay/rust-toolchain@stable
-        with:
-          toolchain: nightly-2025-04-15
-          components: rust-src
-
-      - name: Build binaries
-        run: ./tool/build_linux.sh x64
 
-      - name: Upload binary
-        uses: ./.github/actions/upload
-        with:
-          repo-token: ${{ secrets.GITHUB_TOKEN }}
-          file-name: libpowersync_x64.so
-          tag: ${{ needs.draft_release.outputs.tag }}
-
-  publish_linux_aarch64:
-    name: Publish Linux aarch64
-    needs: [ draft_release ]
-    runs-on: ubuntu-arm64
     steps:
-      - uses: actions/checkout@v3
-        with:
-          submodules: true
-
-      - name: Install Rust Nightly
-        uses: dtolnay/rust-toolchain@stable
-        with:
-          toolchain: nightly-2025-04-15
-          components: rust-src
-
-      - name: Build binaries
-        run: ./tool/build_linux.sh aarch64
-
-      - name: Upload binary
-        uses: ./.github/actions/upload
-        with:
-          repo-token: ${{ secrets.GITHUB_TOKEN }}
-          file-name: libpowersync_aarch64.so
-          tag: ${{ needs.draft_release.outputs.tag }}
-
-  publish_windows_x64:
-    name: Publish Windows x64
-    needs: [ draft_release ]
-    runs-on: windows-latest
-    steps:
-      - uses: actions/checkout@v3
-        with:
-          submodules: true
-
-      - name: Install Rust Nightly
-        uses: dtolnay/rust-toolchain@stable
-        with:
-          toolchain: nightly-2025-04-15
-          components: rust-src
-
-      - name: Build binary
-        run: bash tool/build_windows.sh x64
-
-      - name: Upload binary
-        uses: ./.github/actions/upload
-        with:
-          repo-token: ${{ secrets.GITHUB_TOKEN }}
-          file-name: powersync_x64.dll
-          tag: ${{ needs.draft_release.outputs.tag }}
-
-  publish_macOS_aarch64:
-    name: Publish macOS aarch64
-    needs: [ draft_release ]
-    runs-on: macos-latest
-    steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           submodules: true
 
-      - name: Install Rust Nightly
-        uses: dtolnay/rust-toolchain@stable
+      - name: Download libs
+        uses: actions/download-artifact@v5
         with:
-          toolchain: nightly-2025-04-15
-          components: rust-src
-
-      - name: Build binary
-        run: ./tool/build_macos.sh aarch64
-
-      - name: Upload binary
-        uses: ./.github/actions/upload
+          name: linux-library
+          path: dart/assets
+      - name: Download libs
+        uses: actions/download-artifact@v5
         with:
-          repo-token: ${{ secrets.GITHUB_TOKEN }}
-          file-name: libpowersync_aarch64.dylib
-          tag: ${{ needs.draft_release.outputs.tag }}
-
-  publish_macOS_x64:
-    name: Publish macOS x64
-    needs: [ draft_release ]
-    runs-on: macos-14
-    steps:
-      - uses: actions/checkout@v3
-        with:
-          submodules: true
-
-      - name: Install Rust Nightly
-        uses: dtolnay/rust-toolchain@stable
+          name: macos-library
+          path: dart/assets
+      - name: Download libs
+        uses: actions/download-artifact@v5
         with:
-          toolchain: nightly-2025-04-15
-          components: rust-src
-
-      - name: Build binary
-        run: ./tool/build_macos.sh x64
+          name: windows-library
+          path: dart/assets
 
       - name: Upload binary
-        uses: ./.github/actions/upload
-        with:
-          repo-token: ${{ secrets.GITHUB_TOKEN }}
-          file-name: libpowersync_x64.dylib
-          tag: ${{ needs.draft_release.outputs.tag }}
+        env:
+          GH_TOKEN: ${{ github.token }}
+          GH_REPO: ${{ github.repository }}
+        run: |
+          gh release upload "${{ needs.draft_release.outputs.tag }}" *.dll
+          gh release upload "${{ needs.draft_release.outputs.tag }}" *.dylib
+          gh release upload "${{ needs.draft_release.outputs.tag }}" *.so
 
   publish_wasm:
     name: Publish WASM builds
-    needs: [ draft_release ]
+    needs: [ draft_release, libs_wasm ]
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
         with:
           submodules: true
 
-      - name: Install Rust Nightly
-        uses: dtolnay/rust-toolchain@stable
+      - name: Download wasm bundle
+        uses: actions/download-artifact@v5
         with:
-          toolchain: nightly-2025-04-15
-          components: rust-src
-
-      - name: Setup emsdk
-        uses: mymindstorm/setup-emsdk@v14
-        with:
-          version: 4.0.10
-
-      - name: Build WASM
-        run: ./tool/build_wasm.sh
+          name: wasm-library
 
       - name: Upload libpowersync.wasm
         uses: ./.github/actions/upload
@@ -308,11 +251,7 @@ jobs:
       - draft_release
       - publish_android
       - publish_ios_pod_and_spm_package
-      - publish_linux_x86_64
-      - publish_linux_aarch64
-      - publish_windows_x64
-      - publish_macOS_aarch64
-      - publish_macOS_x64
+      - publish_desktop
       - publish_wasm
     steps:
       - name: Create issue
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 45c313b4..718c3312 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -4,20 +4,87 @@ on:
 name: "tests"
 
 jobs:
-  build:
-    name: Testing on ${{ matrix.os }}
+  libs_linux:
+    name: Building Linux libraries
+    if: github.event_name == 'push' || (github.event_name == 'pull_request' && github.event.pull_request.head.repo.full_name != github.repository)  
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          submodules: true
+      - name: Build Linux libraries
+        uses: ./.github/actions/linux
+
+  libs_macos:
+    name: Building macOS libraries
+    if: github.event_name == 'push' || (github.event_name == 'pull_request' && github.event.pull_request.head.repo.full_name != github.repository)  
+    runs-on: macos-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          submodules: true
+      - name: Build macOS
+        uses: ./.github/actions/macos
+
+  libs_windows:
+    name: Building Windows libraries
+    if: github.event_name == 'push' || (github.event_name == 'pull_request' && github.event.pull_request.head.repo.full_name != github.repository)  
+    runs-on: windows-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          submodules: true
+      - name: Build Windows
+        uses: ./.github/actions/windows
+
+  libs_android:
+    name: Building Android libraries
+    if: github.event_name == 'push' || (github.event_name == 'pull_request' && github.event.pull_request.head.repo.full_name != github.repository)
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          submodules: true
+      - name: Build Android
+        uses: ./.github/actions/android
+        with:
+          sign-publication: '0'
+
+  libs_wasm:
+    name: Basic WASM build
+    if: github.event_name == 'push' || (github.event_name == 'pull_request' && github.event.pull_request.head.repo.full_name != github.repository)
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          submodules: true
+
+      - name: Build wasm
+        uses: ./.github/actions/wasm
+
+  libs_xcframework:
+    name: Build XCFramework
+    if: github.event_name == 'push' || (github.event_name == 'pull_request' && github.event.pull_request.head.repo.full_name != github.repository)
+    runs-on: macos-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          submodules: true
+      - name: Build XCFramework
+        uses: ./.github/actions/xcframework
+
+  rust_unit_tests:
+    name: Rust unit tests on ${{ matrix.os }}
     if: github.event_name == 'push' || (github.event_name == 'pull_request' && github.event.pull_request.head.repo.full_name != github.repository)
     runs-on: ${{ matrix.os }}
     strategy:
       fail-fast: false
       matrix:
         os: [ubuntu-24.04, macos-latest]
-
     steps:
       - uses: actions/checkout@v4
         with:
           submodules: true
-      - uses: dart-lang/setup-dart@v1
 
       - name: Ubuntu setup
         if: matrix.os == 'ubuntu-24.04'
@@ -55,11 +122,28 @@ jobs:
         run: |
           ./target/release/sqlite3 ":memory:" ".load ./target/release/libpowersync" "select powersync_rs_version()"
 
+  build:
+    name: Testing on ${{ matrix.os }}
+    if: github.event_name == 'push' || (github.event_name == 'pull_request' && github.event.pull_request.head.repo.full_name != github.repository)
+    runs-on: ${{ matrix.os }}
+    needs: [libs_linux, libs_macos, libs_windows]
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-24.04, ubuntu-arm64, macos-latest, windows-latest, windows-11-arm]
+
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          submodules: true
+
+      - uses: dart-lang/setup-dart@v1
+
       - uses: actions/cache@v4
         id: sqlite_build
         with:
           path: dart/.dart_tool/sqlite3/
-          key: ${{ runner.os }}-${{ hashFiles('dart/tool/') }}
+          key: ${{ matrix.os }}-${{ hashFiles('dart/tool/') }}
 
       - name: Setup Dart tests
         working-directory: dart
@@ -68,6 +152,28 @@ jobs:
           dart run tool/download_sqlite3.dart
           dart analyze
       
+      - name: Download libs
+        uses: actions/download-artifact@v5
+        with:
+          name: linux-library
+          path: dart/assets
+      - name: Download libs
+        uses: actions/download-artifact@v5
+        with:
+          name: macos-library
+          path: dart/assets
+      - name: Download libs
+        uses: actions/download-artifact@v5
+        with:
+          name: windows-library
+          path: dart/assets
+
+      - name: View downloaded artifacts
+        if: runner.os == 'Linux'
+        working-directory: dart
+        run: |
+          ls -al assets/
+      
       - name: Dart tests on Linux
         if: runner.os == 'Linux'
         working-directory: dart
@@ -82,3 +188,27 @@ jobs:
         run: |
           CORE_TEST_SQLITE=.dart_tool/sqlite3/latest/libsqlite3.dylib dart test -P skip_slow
           CORE_TEST_SQLITE=.dart_tool/sqlite3/minimum/libsqlite3.dylib dart test -P skip_slow
+
+  valgrind:
+    name: Testing with Valgrind on ${{ matrix.os }}
+    runs-on: ${{ matrix.os }}
+    if: github.event_name == 'push' || (github.event_name == 'pull_request' && github.event.pull_request.head.repo.full_name != github.repository)
+    strategy:
+      matrix:
+        include:
+          - os: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          submodules: true
+
+      - name: Install valgrind
+        run: sudo apt update && sudo apt install -y valgrind
+
+      - name: Install Cargo Valgrind
+        run: |
+          cargo install cargo-valgrind
+
+      - name: Test Core
+        run: |
+          cargo valgrind test -p powersync_core --features loadable_extension
diff --git a/.github/workflows/valgrind.yml b/.github/workflows/valgrind.yml
deleted file mode 100644
index d780142d..00000000
--- a/.github/workflows/valgrind.yml
+++ /dev/null
@@ -1,28 +0,0 @@
-on:
-  push:
-  pull_request:
-name: "valgrind"
-jobs:
-  build:
-    name: Testing with Valgrind on ${{ matrix.os }}
-    runs-on: ${{ matrix.os }}
-    if: github.event_name == 'push' || (github.event_name == 'pull_request' && github.event.pull_request.head.repo.full_name != github.repository)
-    strategy:
-      matrix:
-        include:
-          - os: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v3
-        with:
-          submodules: true
-
-      - name: Install valgrind
-        run: sudo apt update && sudo apt install -y valgrind
-
-      - name: Install Cargo Valgrind
-        run: |
-          cargo install cargo-valgrind
-
-      - name: Test Core
-        run: |
-          cargo valgrind test -p powersync_core --features loadable_extension
diff --git a/.github/workflows/wasm.yml b/.github/workflows/wasm.yml
deleted file mode 100644
index 0e9cb647..00000000
--- a/.github/workflows/wasm.yml
+++ /dev/null
@@ -1,27 +0,0 @@
-on:
-  push:
-  pull_request:
-name: "wasm"
-jobs:
-  build_wasm:
-    name: Basic WASM build
-    if: github.event_name == 'push' || (github.event_name == 'pull_request' && github.event.pull_request.head.repo.full_name != github.repository)
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-        with:
-          submodules: true
-
-      - name: Install Rust Nightly
-        uses: dtolnay/rust-toolchain@stable
-        with:
-          toolchain: nightly-2025-04-15
-          components: rust-src
-
-      - name: Setup emsdk
-        uses: mymindstorm/setup-emsdk@v14
-        with:
-          version: 4.0.10
-
-      - name: Build WASM
-        run: ./tool/build_wasm.sh
diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
deleted file mode 100644
index 5ac33a3d..00000000
--- a/.github/workflows/windows.yml
+++ /dev/null
@@ -1,22 +0,0 @@
-on:
-  push:
-  pull_request:
-name: "windows"
-jobs:
-  build_windows:
-    name: Building Windows
-    if: github.event_name == 'push' || (github.event_name == 'pull_request' && github.event.pull_request.head.repo.full_name != github.repository)
-    runs-on: windows-latest
-    steps:
-      - uses: actions/checkout@v3
-        with:
-          submodules: true
-
-      - name: Install Rust Nightly
-        uses: dtolnay/rust-toolchain@stable
-        with:
-          toolchain: nightly-2025-04-15
-          components: rust-src
-
-      - name: Build binary
-        run: ./tool/build_windows.sh x64
diff --git a/dart/pubspec.lock b/dart/pubspec.lock
index c15dc216..f1e15419 100644
--- a/dart/pubspec.lock
+++ b/dart/pubspec.lock
@@ -17,6 +17,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "7.5.6"
+  archive:
+    dependency: "direct dev"
+    description:
+      name: archive
+      sha256: "2fde1607386ab523f7a36bb3e7edb43bd58e6edaf2ffb29d8a6d578b297fdbbd"
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.0.7"
   args:
     dependency: transitive
     description:
@@ -153,6 +161,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.1.3"
+  http:
+    dependency: "direct dev"
+    description:
+      name: http
+      sha256: bb2ce4590bc2667c96f318d68cac1b5a7987ec819351d32b1c987239a815e007
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.5.0"
   http_multi_server:
     dependency: transitive
     description:
@@ -265,6 +281,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.5.1"
+  posix:
+    dependency: transitive
+    description:
+      name: posix
+      sha256: "6323a5b0fa688b6a010df4905a56b00181479e6d10534cecfecede2aa55add61"
+      url: "https://pub.dev"
+    source: hosted
+    version: "6.0.3"
   power_extensions:
     dependency: transitive
     description:
diff --git a/dart/pubspec.yaml b/dart/pubspec.yaml
index aa361af1..12a25c8a 100644
--- a/dart/pubspec.yaml
+++ b/dart/pubspec.yaml
@@ -17,3 +17,5 @@ dev_dependencies:
   convert: ^3.1.2
   meta: ^1.16.0
   path: ^1.9.1
+  http: ^1.5.0
+  archive: ^4.0.7
diff --git a/dart/test/utils/native_test_utils.dart b/dart/test/utils/native_test_utils.dart
index 36db4a56..db38b8f5 100644
--- a/dart/test/utils/native_test_utils.dart
+++ b/dart/test/utils/native_test_utils.dart
@@ -8,7 +8,7 @@ import 'package:path/path.dart' as p;
 
 const defaultSqlitePath = 'libsqlite3.so.0';
 
-const libPath = '../target/debug';
+const cargoDebugPath = '../target/debug';
 var didLoadExtension = false;
 
 void applyOpenOverride() {
@@ -44,16 +44,45 @@ CommonDatabase openTestDatabase(
 void loadExtension() {
   applyOpenOverride();
 
-  var lib = DynamicLibrary.open(getLibraryForPlatform(path: libPath));
+  // Using an absolute path is required for macOS, where Dart can't dlopen
+  // relative paths due to being a "hardened program".
+  var lib =
+      DynamicLibrary.open(p.normalize(p.absolute(resolvePowerSyncLibrary())));
   var extension = SqliteExtension.inLibrary(lib, 'sqlite3_powersync_init');
   sqlite3.ensureExtensionLoaded(extension);
   didLoadExtension = true;
 }
 
-String getLibraryForPlatform({String? path = "."}) {
-  // Using an absolute path is required for macOS, where Dart can't dlopen
-  // relative paths due to being a "hardened program".
-  return p.normalize(p.absolute(switch (Abi.current()) {
+String resolvePowerSyncLibrary() {
+  if (Directory('assets').existsSync()) {
+    // For the CI tests, we download prebuilt artifacts from an earlier step
+    // into assets. Use that.
+    const prefix = 'assets';
+
+    return p.join(
+        prefix,
+        switch (Abi.current()) {
+          Abi.macosX64 => 'libpowersync_x64.dylib',
+          Abi.macosArm64 => 'libpowersync_aarch64.dylib',
+          Abi.windowsX64 => 'powersync_x64.dll',
+          Abi.windowsArm64 => 'powersync_aarch64.dll',
+          Abi.linuxX64 => 'libpowersync_x64.so',
+          Abi.linuxArm => 'libpowersync_armv7.so',
+          Abi.linuxArm64 => 'libpowersync_aarch64.so',
+          Abi.linuxRiscv64 => 'libpowersync_riscv64gc.so',
+          _ => throw ArgumentError(
+              'Unsupported processor architecture "${Abi.current()}". '
+              'Please open an issue on GitHub to request it.',
+            )
+        });
+  } else {
+    // Otherwise, use a local build from ../target/debug/.
+    return _getLibraryForPlatform();
+  }
+}
+
+String _getLibraryForPlatform({String? path = cargoDebugPath}) {
+  return switch (Abi.current()) {
     Abi.androidArm ||
     Abi.androidArm64 ||
     Abi.androidX64 =>
@@ -70,5 +99,5 @@ String getLibraryForPlatform({String? path = "."}) {
         'Unsupported processor architecture "${Abi.current()}". '
         'Please open an issue on GitHub to request it.',
       )
-  }));
+  };
 }
diff --git a/dart/tool/download_sqlite3.dart b/dart/tool/download_sqlite3.dart
index a5b3c94d..3215fd12 100644
--- a/dart/tool/download_sqlite3.dart
+++ b/dart/tool/download_sqlite3.dart
@@ -1,6 +1,9 @@
+import 'dart:ffi';
 import 'dart:io';
 
+import 'package:archive/archive_io.dart';
 import 'package:path/path.dart' as p;
+import 'package:http/http.dart';
 
 typedef SqliteVersion = ({String version, String year});
 
@@ -21,6 +24,12 @@ Future<void> main(List<String> args) async {
 extension on SqliteVersion {
   String get autoconfUrl =>
       'https://sqlite.org/$year/sqlite-autoconf-$version.tar.gz';
+
+  String get windowsArm64Url =>
+      'https://sqlite.org/$year/sqlite-dll-win-arm64-$version.zip';
+
+  String get windowsX64Url =>
+      'https://sqlite.org/$year/sqlite-dll-win-x64-$version.zip';
 }
 
 Future<void> _downloadAndCompile(String name, SqliteVersion version,
@@ -52,6 +61,40 @@ Future<void> _downloadAndCompile(String name, SqliteVersion version,
       await Directory.systemTemp.createTemp('powersync-core-compile-sqlite3');
   final temporaryDirPath = temporaryDir.path;
 
+  // Compiling on Windows is ugly because we need users to have Visual Studio
+  // installed and all those tools activated in the current shell.
+  // Much easier to just download precompiled builds.
+  if (Platform.isWindows) {
+    final windowsUri = Abi.current() == Abi.windowsX64
+        ? version.windowsX64Url
+        : version.windowsArm64Url;
+    final sqlite3Zip = p.join(temporaryDirPath, 'sqlite3.zip');
+    final client = Client();
+    final response = await client
+        .send(Request('GET', Uri.parse(windowsUri))..followRedirects = true);
+    if (response.statusCode != 200) {
+      print(
+          'Could not download $windowsUri, status code ${response.statusCode}');
+      exit(1);
+    }
+    await response.stream.pipe(File(sqlite3Zip).openWrite());
+
+    final inputStream = InputFileStream(sqlite3Zip);
+    final archive = ZipDecoder().decodeStream(inputStream);
+
+    for (final file in archive.files) {
+      if (file.isFile && file.name == 'sqlite3.dll') {
+        final outputStream = OutputFileStream(p.join(target, 'sqlite3.dll'));
+
+        file.writeContent(outputStream);
+        outputStream.close();
+      }
+    }
+
+    await File(p.join(target, 'version')).writeAsString(version.version);
+    exit(0);
+  }
+
   await _run('curl -L ${version.autoconfUrl} --output sqlite.tar.gz',
       workingDirectory: temporaryDirPath);
   await _run('tar zxvf sqlite.tar.gz', workingDirectory: temporaryDirPath);
diff --git a/tool/build_linux.sh b/tool/build_linux.sh
index ed19841e..f5aad702 100755
--- a/tool/build_linux.sh
+++ b/tool/build_linux.sh
@@ -1,10 +1,29 @@
 #!/bin/sh
 set -e
 
-if [ "$1" = "x64" ]; then
-  cargo build -p powersync_loadable -Z build-std=panic_abort,core,alloc --release --target x86_64-unknown-linux-gnu
-  mv "target/x86_64-unknown-linux-gnu/release/libpowersync.so" "libpowersync_x64.so"
-else
-  cargo build -p powersync_loadable -Z build-std=panic_abort,core,alloc --release --target aarch64-unknown-linux-gnu
-  mv "target/aarch64-unknown-linux-gnu/release/libpowersync.so" "libpowersync_aarch64.so"
-fi
+case "$1" in
+  x64)
+    cargo build -p powersync_loadable -Z build-std=panic_abort,core,alloc --release --target x86_64-unknown-linux-gnu
+    mv "target/x86_64-unknown-linux-gnu/release/libpowersync.so" "libpowersync_x64.so"
+    ;;
+  x86)
+    cargo build -p powersync_loadable -Z build-std=panic_abort,core,alloc --release --target i686-unknown-linux-gnu
+    mv "target/i686-unknown-linux-gnu/release/libpowersync.so" "libpowersync_x86.so"
+    ;;
+  aarch64)
+    cargo build -p powersync_loadable -Z build-std=panic_abort,core,alloc --release --target aarch64-unknown-linux-gnu
+    mv "target/aarch64-unknown-linux-gnu/release/libpowersync.so" "libpowersync_aarch64.so"
+    ;;
+  armv7)
+    cargo build -p powersync_loadable -Z build-std=panic_abort,core,alloc --release --target armv7-unknown-linux-gnueabihf
+    mv "target/armv7-unknown-linux-gnueabihf/release/libpowersync.so" "libpowersync_armv7.so"
+    ;;
+  riscv64gc)
+    cargo build -p powersync_loadable -Z build-std=panic_abort,core,alloc --release --target riscv64gc-unknown-linux-gnu
+    mv "target/riscv64gc-unknown-linux-gnu/release/libpowersync.so" "libpowersync_riscv64gc.so"
+    ;;
+  *)
+    echo "Unknown architecture"
+    exit 1;
+    ;;
+esac
diff --git a/tool/build_windows.sh b/tool/build_windows.sh
index fd943252..e4469ebc 100755
--- a/tool/build_windows.sh
+++ b/tool/build_windows.sh
@@ -1,11 +1,21 @@
 #!/bin/sh
 set -e
 
-if [ "$1" = "x64" ]; then
-  cargo build -Z build-std=panic_abort,core,alloc -p powersync_loadable --release --target x86_64-pc-windows-msvc
-  mv "target/x86_64-pc-windows-msvc/release/powersync.dll" "powersync_x64.dll"
-else
-  #Note: aarch64-pc-windows-msvc has not been tested.
-  cargo build -Z build-std=panic_abort,core,alloc -p powersync_loadable --release --target aarch64-pc-windows-msvc
-  mv "target/aarch64-pc-windows-msvc/release/powersync.dll" "powersync_aarch64.dll"
-fi
\ No newline at end of file
+case "$1" in
+  x64)
+    cargo build -Z build-std=panic_abort,core,alloc -p powersync_loadable --release --target x86_64-pc-windows-msvc
+    mv "target/x86_64-pc-windows-msvc/release/powersync.dll" "powersync_x64.dll"
+    ;;
+  x86)
+    cargo build -Z build-std=panic_abort,core,alloc -p powersync_loadable --release --target i686-pc-windows-msvc
+    mv "target/i686-pc-windows-msvc/release/powersync.dll" "powersync_x86.dll"
+    ;;
+  aarch64)
+    cargo build -Z build-std=panic_abort,core,alloc -p powersync_loadable --release --target aarch64-pc-windows-msvc
+    mv "target/aarch64-pc-windows-msvc/release/powersync.dll" "powersync_aarch64.dll"
+    ;;
+  *)
+    echo "Unknown architecture"
+    exit 1
+    ;;
+esac