diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..f9df16b
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,48 @@
+name: CI
+
+on:
+  workflow_dispatch:
+  push:
+    branches:
+      - v6
+  pull_request:
+  merge_group:
+
+jobs:
+  test:
+    strategy:
+      matrix:
+        include:
+          - os: ubuntu-22.04
+            target: x86_64-unknown-linux-gnu
+          # - os: ubuntu-22.04
+          #   target: x86_64-unknown-linux-musl
+          # - os: ubuntu-22.04
+          #   target: aarch64-unknown-linux-gnu
+          # - os: ubuntu-22.04
+          #   target: aarch64-unknown-linux-musl
+          - os: macos-14
+            target: x86_64-apple-darwin
+          - os: macos-14
+            target: aarch64-apple-darwin
+          - os: windows-2022
+            target: x86_64-pc-windows-msvc
+          - os: windows-2022
+            target: x86_64-pc-windows-gnu
+    runs-on: ${{ matrix.os }}
+    steps:
+      - uses: actions/checkout@v3
+      - name: Install Rust stable
+        uses: dtolnay/rust-toolchain@stable
+        with:
+          targets: ${{ matrix.target }}
+          components: clippy,rustfmt
+      - uses: Swatinem/rust-cache@v2
+        with:
+          prefix-key: ${{ matrix.os }}-${{ matrix.target }}-rust
+          cache-targets: true
+          cache-on-failure: false
+      - name: Install native dependencies
+        if: runner.os == 'Linux'
+        run: sudo apt update -y && sudo apt install -y libasound2-dev binutils-aarch64-linux-gnu gcc-aarch64-linux-gnu
+      - run: cargo test --verbose --target ${{ matrix.target }}
diff --git a/.github/workflows/pypi.yml b/.github/workflows/pypi.yml
index 0f70712..ec508b7 100644
--- a/.github/workflows/pypi.yml
+++ b/.github/workflows/pypi.yml
@@ -1,9 +1,14 @@
-name: Build and Publish to PyPI
+name: Python Wheel
 on: 
   push:
+    branches:
+      - v6
     tags:
       - v[0-9]+.*
       - test-release.*
+  workflow_dispatch:
+  pull_request:
+  merge_group:
 
 jobs:
   windows-build:
@@ -13,12 +18,9 @@ jobs:
     runs-on: "windows-latest"
     steps:
       - uses: actions/checkout@v3
-      - name: Install latests stable Rust
-        uses: actions-rs/toolchain@v1
-        with:
-          toolchain: stable
-          override: true
-      - uses: actions/setup-python@v4
+      - name: Install Rust stable
+        uses: dtolnay/rust-toolchain@stable
+      - uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.pyversion }}
           architecture: x64
@@ -40,47 +42,52 @@ jobs:
       - name: Install wheel
         run: pip install aspeak --no-index --find-links dist --no-deps --force-reinstall
       - name: Save Artifacts
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
-          name: wheels
+          name: wheels-windows-x86_64
           path: dist
 
   macos-build:
     strategy:
       matrix:
-        pyversion: ["3.11"]
-    runs-on: "macos-latest"
+        include:
+          - pyversion: "3.11"
+            runner: macos-13
+            arch: "x86_64"
+            abbr-arch: x64
+          - pyversion: "3.11"
+            runner: macos-14
+            arch: "aarch64"
+            abbr-arch: arm64  
+    runs-on: ${{ matrix.runner }}
     steps:
       - uses: actions/checkout@v3
-      - name: Install latests stable Rust
-        uses: actions-rs/toolchain@v1
-        with:
-          toolchain: stable
-          override: true
-      - uses: actions/setup-python@v4
+      - name: Install Rust stable
+        uses: dtolnay/rust-toolchain@stable
+      - uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.pyversion }}
-          architecture: x64
+          architecture: ${{ matrix.abbr-arch }}
       - name: Build Wheel (PyO3 Binding)
         uses: messense/maturin-action@v1
         with:
-          target: x86_64
+          target: ${{ matrix.arch }}
           command: build
           args: --release --strip -F python --bindings pyo3 --interpreter python --manifest-path Cargo.toml --out dist-pyo3
       - name: Build Wheel (Bin Binding)
         uses: messense/maturin-action@v1
         with:
-          target: x86_64
+          target: ${{ matrix.arch }}
           command: build
           args: --release --strip -F binary --bindings bin --interpreter python --manifest-path Cargo.toml --out dist-bin
       - name: Merge Wheels
         run: bash merge-wheel.bash
       - name: Install wheel
-        run: pip install aspeak --no-index --find-links dist --no-deps --force-reinstall
+        run: pip install --no-index ./dist/aspeak-*.whl --no-deps --force-reinstall
       - name: Save Artifacts
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
-          name: wheels
+          name: wheels-macos-${{ matrix.arch }}
           path: dist
 
   # linux-build:
@@ -96,7 +103,7 @@ jobs:
   #       with:
   #         toolchain: stable
   #         override: true
-  #     - uses: actions/setup-python@v4
+  #     - uses: actions/setup-python@v5
   #       with:
   #         python-version: ${{ matrix.pyversion }}
   #         architecture: x64
@@ -124,7 +131,7 @@ jobs:
   #     - name: Install wheel
   #       run: pip install aspeak --no-index --find-links dist --no-deps --force-reinstall
   #     - name: Save Artifacts
-  #       uses: actions/upload-artifact@v3
+  #       uses: actions/upload-artifact@v4
   #       with:
   #         name: wheels
   #         path: dist
@@ -135,10 +142,11 @@ jobs:
     if: "startsWith(github.ref, 'refs/tags/')"
     steps:
       - name: Download Artifacts
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
-          name: wheels
+          pattern: wheels-*
           path: dist
+          merge-multiple: true
       - name: Publish Wheels
         uses: pypa/gh-action-pypi-publish@release/v1
         with:
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index f2bafc3..464870a 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -33,9 +33,9 @@ jobs:
           #   target: aarch64-unknown-linux-gnu
           # - os: ubuntu-22.04
           #   target: aarch64-unknown-linux-musl
-          - os: macos-12
+          - os: macos-14
             target: x86_64-apple-darwin
-          - os: macos-12
+          - os: macos-14
             target: aarch64-apple-darwin
           - os: windows-2022
             target: x86_64-pc-windows-msvc
@@ -44,9 +44,10 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v3
-      - uses: actions-rs/toolchain@v1
+      - name: Install Rust stable
+        uses: dtolnay/rust-toolchain@stable
         with:
-          toolchain: stable
+          targets: ${{ matrix.target }}
       - uses: Swatinem/rust-cache@v2
         with:
           prefix-key: ${{ matrix.os }}-${{ matrix.target }}-rust