diff --git a/.github/workflows/Invalidations.yml b/.github/workflows/Invalidations.yml
new file mode 100644
index 0000000..d36b45b
--- /dev/null
+++ b/.github/workflows/Invalidations.yml
@@ -0,0 +1,37 @@
+name: Invalidations
+
+on: [pull_request]
+
+# Cancel redundant CI tests automatically
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  invalidations:
+    # Only run on PRs to the default branch.
+    if: github.base_ref == github.event.repository.default_branch
+    runs-on: ubuntu-latest
+    steps:
+    - uses: julia-actions/setup-julia@v2
+      with:
+        version: '1'
+    - uses: actions/checkout@v4
+    - uses: julia-actions/julia-buildpkg@v1
+    - uses: julia-actions/julia-invalidations@v1
+      id: invs_pr
+
+    - uses: actions/checkout@v4
+      with:
+        ref: ${{ github.event.repository.default_branch }}
+    - uses: julia-actions/julia-buildpkg@v1
+    - uses: julia-actions/julia-invalidations@v1
+      id: invs_default
+    
+    - name: Report invalidation counts
+      run: |
+        echo "Invalidations on default branch: ${{ steps.invs_default.outputs.total }} (${{ steps.invs_default.outputs.deps }} via deps)" >> $GITHUB_STEP_SUMMARY
+        echo "This branch: ${{ steps.invs_pr.outputs.total }} (${{ steps.invs_pr.outputs.deps }} via deps)" >> $GITHUB_STEP_SUMMARY
+    - name: Check if the PR does increase number of invalidations
+      if: steps.invs_pr.outputs.total > steps.invs_default.outputs.total
+      run: exit 1
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8622170..ed47b14 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -30,6 +30,7 @@ jobs:
         with:
           file: lcov.info
           verbose: true
+
   docs:
     name: Documentation
     runs-on: ubuntu-latest
@@ -47,3 +48,30 @@ jobs:
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           DOCUMENTER_KEY: ${{ secrets.DOCUMENTER_KEY }}
+
+  downgrade:
+    name: Downgrade ${{ matrix.version }} - ${{ matrix.os }} - ${{ matrix.arch }} - ${{ github.event_name }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        version:
+          - '1.10'
+        os:
+          - ubuntu-latest
+        arch:
+          - x64
+    steps:
+      - uses: actions/checkout@v4
+      - uses: julia-actions/setup-julia@v2
+        with:
+          version: ${{ matrix.version }}
+          arch: ${{ matrix.arch }}
+      - uses: julia-actions/cache@v2
+      - uses: julia-actions/julia-downgrade-compat@v1
+        with: # As per documentation, we exclude packages within the Julia standard library
+          skip: LinearAlgebra,SparseArrays
+      - uses: julia-actions/julia-buildpkg@v1
+      - uses: julia-actions/julia-runtest@v1
+        with:
+          coverage: false