diff --git a/.github/workflows/ExtensionTemplate.yml b/.github/workflows/ExtensionTemplate.yml
deleted file mode 100644
index a5aeb88..0000000
--- a/.github/workflows/ExtensionTemplate.yml
+++ /dev/null
@@ -1,162 +0,0 @@
-#
-# NOTE: this workflow is for testing the extension template itself,
-#     this workflow will be removed when scripts/bootstrap-template.py is run
-#
-name: Extension Template
-on: [push, pull_request,repository_dispatch]
-concurrency:
-  group: ${{ github.workflow }}-${{ github.ref }}-${{ github.head_ref || '' }}-${{ github.base_ref || '' }}-${{ github.ref != 'refs/heads/main' || github.sha }}
-  cancel-in-progress: true
-
-jobs:
-  linux:
-    name: Linux
-    if: ${{ vars.RUN_RENAME_TEST == 'true' || github.repository == 'duckdb/extension-template' }}
-    runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        # Add commits/tags to build against other DuckDB versions
-        duckdb_version: [ '<submodule_version>' ]
-    env:
-      VCPKG_TOOLCHAIN_PATH: ${{ github.workspace }}/vcpkg/scripts/buildsystems/vcpkg.cmake
-      VCPKG_TARGET_TRIPLET: 'x64-linux'
-      GEN: ninja
-      ACTIONS_ALLOW_USE_UNSECURE_NODE_VERSION: true
-    defaults:
-      run:
-        shell: bash
-
-    steps:
-      - name: Install Ninja
-        shell: bash
-        run: sudo apt-get update -y -qq && sudo apt-get install -y -qq ninja-build
-
-      - uses: actions/checkout@v6
-        with:
-          fetch-depth: 0
-          submodules: 'recursive'
-
-      - name: Checkout DuckDB to version
-        if: ${{ matrix.duckdb_version != '<submodule_version>'}}
-        run: |
-          cd duckdb
-          git checkout ${{ matrix.duckdb_version }}
-
-      - name: Setup vcpkg
-        uses: lukka/run-vcpkg@v11.6
-        with:
-          vcpkgGitCommitId: 5e5d0e1cd7785623065e77eff011afdeec1a3574
-
-      - name: Rename extension
-        run: |
-          python3 scripts/bootstrap-template.py ext_1_a_123b_b11
-
-      - name: Build
-        run: |
-          make
-
-      - name: Test
-        run: |
-          make test
-
-  macos:
-    name: MacOS
-    if: ${{ vars.RUN_RENAME_TEST == 'true' || github.repository == 'duckdb/extension-template' }}
-    runs-on: macos-latest
-    strategy:
-      matrix:
-        # Add commits/tags to build against other DuckDB versions
-        duckdb_version: [ '<submodule_version>']
-    env:
-      VCPKG_TOOLCHAIN_PATH: ${{ github.workspace }}/vcpkg/scripts/buildsystems/vcpkg.cmake
-      VCPKG_TARGET_TRIPLET: 'x64-osx'
-      OSX_BUILD_ARCH: 'x86_64'
-      GEN: ninja
-    defaults:
-      run:
-        shell: bash
-
-    steps:
-      - uses: actions/checkout@v6
-        with:
-          fetch-depth: 0
-          submodules: 'recursive'
-
-      - name: Install Ninja
-        run: brew install ninja
-
-      - uses: actions/setup-python@v6
-        with:
-          python-version: '3.14'
-
-      - name: Checkout DuckDB to version
-        if: ${{ matrix.duckdb_version != '<submodule_version>'}}
-        run: |
-          cd duckdb
-          git checkout ${{ matrix.duckdb_version }}
-
-      - name: Setup vcpkg
-        uses: lukka/run-vcpkg@v11.6
-        with:
-          vcpkgGitCommitId: 5e5d0e1cd7785623065e77eff011afdeec1a3574
-
-      - name: Rename extension
-        run: |
-          python scripts/bootstrap-template.py ext_1_a_123b_b11
-
-      - name: Build
-        run: |
-          make
-
-      - name: Test
-        run: |
-          make test
-
-  windows:
-    name: Windows
-    if: ${{ vars.RUN_RENAME_TEST == 'true' || github.repository == 'duckdb/extension-template' }}
-    runs-on: windows-latest
-    strategy:
-      matrix:
-        # Add commits/tags to build against other DuckDB versions
-        duckdb_version: [ '<submodule_version>' ]
-    env:
-      VCPKG_TOOLCHAIN_PATH: ${{ github.workspace }}/vcpkg/scripts/buildsystems/vcpkg.cmake
-      VCPKG_TARGET_TRIPLET: 'x64-windows-static-md'
-    defaults:
-      run:
-        shell: bash
-
-    steps:
-      - uses: actions/checkout@v6
-        with:
-          fetch-depth: 0
-          submodules: 'recursive'
-
-      - uses: actions/setup-python@v6
-        with:
-          python-version: '3.14'
-
-      - name: Checkout DuckDB to version
-        # Add commits/tags to build against other DuckDB versions
-        if: ${{ matrix.duckdb_version != '<submodule_version>'}}
-        run: |
-          cd duckdb
-          git checkout ${{ matrix.duckdb_version }}
-
-      - name: Setup vcpkg
-        uses: lukka/run-vcpkg@v11.6
-        with:
-          vcpkgGitCommitId: 5e5d0e1cd7785623065e77eff011afdeec1a3574
-
-      - name: Rename extension
-        run: |
-          python scripts/bootstrap-template.py ext_1_a_123b_b11
-
-      - name: Build
-        run: |
-          make
-
-      - name: Test extension
-        run: |
-          build/release/test/Release/unittest.exe
diff --git a/.github/workflows/MainDistributionPipeline.yml b/.github/workflows/MainDistributionPipeline.yml
index 158ad6a..662c2ce 100644
--- a/.github/workflows/MainDistributionPipeline.yml
+++ b/.github/workflows/MainDistributionPipeline.yml
@@ -19,5 +19,5 @@ jobs:
       ci_tools_version: v1.5.3
       duckdb_version: v1.5.3
       extension_name: vortex
-      exclude_archs: "wasm_mvp;wasm_eh;wasm_threads;windows_amd64_rtools;windows_amd64_mingw;windows_amd64;linux_amd64_musl"
+      exclude_archs: "wasm_mvp;wasm_eh;wasm_threads;windows_amd64;windows_amd64_mingw;windows_amd64_rtools;windows_arm64;linux_amd64_musl"
       extra_toolchains: "rust"
diff --git a/CMakeLists.txt b/CMakeLists.txt
index b2206b0..930d0fc 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -88,7 +88,13 @@ set(LOADABLE_EXTENSION_NAME ${TARGET_NAME}_loadable_extension)
 build_static_extension(${TARGET_NAME} src/vortex_extension.cpp)
 build_loadable_extension(${TARGET_NAME} "" src/vortex_extension.cpp)
 
-set(VORTEX_WARNING_FLAGS -Wall -Wextra -Wpedantic)
+# MSVC's `cl` does not understand the GCC/Clang warning flags, so use the
+# equivalent high warning level there instead of dropping warnings entirely.
+if(MSVC)
+    set(VORTEX_WARNING_FLAGS /W4)
+else()
+    set(VORTEX_WARNING_FLAGS -Wall -Wextra -Wpedantic)
+endif()
 
 target_compile_options(${EXTENSION_NAME} PRIVATE ${VORTEX_WARNING_FLAGS})
 target_link_libraries(${EXTENSION_NAME}