diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 875a14f1..c9510653 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -8,7 +8,8 @@ on:
 
 # Environment variables that will be set on all runners
 env:
-  CI_DEV_SHELL: "nix --store ~/nix_store develop '.#ci'"
+#  CI_DEV_SHELL: "nix --store ~/nix_store develop '.#ci'"
+  CI_DEV_SHELL: "nix develop '.#ci'"
   CARGO_TERM_COLOR: always   # Always colour Cargo's output.
   CARGO_INCREMENTAL: 0       # Always run without incremental builds on CI.
   CARGO_PROFILE_DEV_DEBUG: 0 # Don't embed debug info even though the build is a dev build.
@@ -22,8 +23,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-#        os: [ "ubuntu-latest", "macos-latest" ]
-         os: [ "ubuntu-latest" ]
+        os: [ "ubuntu-latest", "macos-latest" ]
     runs-on: ${{ matrix.os }}
     steps:
       - name: Checkout Code
@@ -32,97 +32,102 @@ jobs:
         shell: "bash"
         run: |
           curl -sSf -L https://install.lix.systems/lix | sh -s -- install --no-confirm
-      - name: Restore Nix Cache
-        uses: actions/cache@v3
-        continue-on-error: true
+#      - name: Restore Nix Cache
+#        uses: actions/cache@v3
+#        continue-on-error: true
+#        with:
+#          path: |
+#            ~/nix_store
+#          key: nix-${{ hashFiles('**/flake.lock') }}-${{ matrix.os }}
+#      - name: Restore Rust Cache
+#        uses: actions/cache@v3
+#        continue-on-error: true
+#        with:
+#          path: |
+#            target/
+#          key: rust-${{ hashFiles('**/Cargo.lock') }}-${{ matrix.os }}
+      - name: Cache Nix Packages
+        uses: rikhuijzer/cache-install@v1.1.4
         with:
-          path: |
-            ~/nix_store
-          key: nix-${{ hashFiles('**/flake.lock') }}-${{ matrix.os }}
-      - name: Restore Rust Cache
-        uses: actions/cache@v3
-        continue-on-error: true
-        with:
-          path: |
-            target/
-          key: rust-${{ hashFiles('**/Cargo.lock') }}-${{ matrix.os }}
+          key: nix-${{ hashFiles('flake.lock') }}
+          nix_file: 'flake.nix'
       - name: Build Lix Dependencies
         shell: "bash"
         run: |
           ${{ env.CI_DEV_SHELL }}
-      - name: Build Tests
-        shell: "bash"
-        run: |
-          ${{ env.CI_DEV_SHELL }} --command cargo test --all-targets --no-run
-      - name: Run Tests
-        shell: "bash"
-        run: |
-          ${{ env.CI_DEV_SHELL }} --command cargo test --all-targets -- --nocapture
+#      - name: Build Tests
+#        shell: "bash"
+#        run: |
+#          ${{ env.CI_DEV_SHELL }} --command cargo test --all-targets --no-run
+#      - name: Run Tests
+#        shell: "bash"
+#        run: |
+#          ${{ env.CI_DEV_SHELL }} --command cargo test --all-targets -- --nocapture
 
   # This job runs the linter.
-  lint:
-    name: "Lint"
-    runs-on: "ubuntu-latest"
-    steps:
-      - name: Checkout Code
-        uses: actions/checkout@v3
-      - name: Install Lix
-        shell: "bash"
-        run: |
-          curl -sSf -L https://install.lix.systems/lix | sh -s -- install --no-confirm
-      - name: Restore Nix Cache
-        uses: actions/cache@v3
-        continue-on-error: true
-        with:
-          path: |
-            ~/nix_store
-          key: nix-${{ hashFiles('**/flake.lock') }}-ubuntu-latest
-      - name: Restore Rust Cache
-        uses: actions/cache@v3
-        continue-on-error: true
-        with:
-          path: |
-            target/
-          key: rust-${{ hashFiles('**/Cargo.lock') }}-ubuntu-latest
-      - name: Build Lix Dependencies
-        shell: "bash"
-        run: |
-          ${{ env.CI_DEV_SHELL }}
-      - name: Lint Code
-        shell: "bash"
-        run: |
-          ${{ env.CI_DEV_SHELL }} --command cargo clippy --all-targets
+#  lint:
+#    name: "Lint"
+#    runs-on: "ubuntu-latest"
+#    steps:
+#      - name: Checkout Code
+#        uses: actions/checkout@v3
+#      - name: Install Lix
+#        shell: "bash"
+#        run: |
+#          curl -sSf -L https://install.lix.systems/lix | sh -s -- install --no-confirm
+#      - name: Restore Nix Cache
+#        uses: actions/cache@v3
+#        continue-on-error: true
+#        with:
+#          path: |
+#            ~/nix_store
+#          key: nix-${{ hashFiles('**/flake.lock') }}-ubuntu-latest
+#      - name: Restore Rust Cache
+#        uses: actions/cache@v3
+#        continue-on-error: true
+#        with:
+#          path: |
+#            target/
+#          key: rust-${{ hashFiles('**/Cargo.lock') }}-ubuntu-latest
+#      - name: Build Lix Dependencies
+#        shell: "bash"
+#        run: |
+#          ${{ env.CI_DEV_SHELL }}
+#      - name: Lint Code
+#        shell: "bash"
+#        run: |
+#          ${{ env.CI_DEV_SHELL }} --command cargo clippy --all-targets
 
   # This job checks the code formatting.
-  formatting:
-    name: "Check Formatting"
-    runs-on: "ubuntu-latest"
-    steps:
-      - name: Checkout Code
-        uses: actions/checkout@v3
-      - name: Install Lix
-        shell: "bash"
-        run: |
-          curl -sSf -L https://install.lix.systems/lix | sh -s -- install --no-confirm
-      - name: Restore Nix Cache
-        uses: actions/cache@v3
-        continue-on-error: true
-        with:
-          path: |
-            ~/nix_store
-          key: nix-${{ hashFiles('**/flake.lock') }}-ubuntu-latest
-      - name: Restore Rust Cache
-        uses: actions/cache@v3
-        continue-on-error: true
-        with:
-          path: |
-            target/
-          key: rust-${{ hashFiles('**/Cargo.lock') }}-ubuntu-latest
-      - name: Build Lix Dependencies
-        shell: "bash"
-        run: |
-          ${{ env.CI_DEV_SHELL }}
-      - name: Check Formatting
-        shell: "bash"
-        run: |
-          ${{ env.CI_DEV_SHELL }} --command cargo fmt --all -- --check
+#  formatting:
+#    name: "Check Formatting"
+#    runs-on: "ubuntu-latest"
+#    steps:
+#      - name: Checkout Code
+#        uses: actions/checkout@v3
+#      - name: Install Lix
+#        shell: "bash"
+#        run: |
+#          curl -sSf -L https://install.lix.systems/lix | sh -s -- install --no-confirm
+#      - name: Restore Nix Cache
+#        uses: actions/cache@v3
+#        continue-on-error: true
+#        with:
+#          path: |
+#            ~/nix_store
+#          key: nix-${{ hashFiles('**/flake.lock') }}-ubuntu-latest
+#      - name: Restore Rust Cache
+#        uses: actions/cache@v3
+#        continue-on-error: true
+#        with:
+#          path: |
+#            target/
+#          key: rust-${{ hashFiles('**/Cargo.lock') }}-ubuntu-latest
+#      - name: Build Lix Dependencies
+#        shell: "bash"
+#        run: |
+#          ${{ env.CI_DEV_SHELL }}
+#      - name: Check Formatting
+#        shell: "bash"
+#        run: |
+#          ${{ env.CI_DEV_SHELL }} --command cargo fmt --all -- --check