diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index c946a2d90f..2b6b3a436a 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -19,46 +19,46 @@ concurrency:
   cancel-in-progress: ${{ startsWith(github.ref, 'refs/pull/') }}
 
 jobs:
-  test:
-    runs-on: ${{ matrix.os }}
-    continue-on-error: ${{ matrix.os == 'windows-latest' }}
-    strategy:
-      fail-fast: false
-      matrix:
-        julia-version:
-          - '1.6'
-          - '1.10'   # to be removed in the near future
-          - '1.11'
-          - 'nightly'
-        os:
-          - ubuntu-latest
-        include:
-          # Add a few windows and macOS jobs (not too many, the number we can run in parallel is limited)
-          - julia-version: '1.10'
-            os: macOS-latest
-          - julia-version: '1.10'
-            os: windows-latest
-
-    steps:
-      - uses: actions/checkout@v4
-      - name: "Set up Julia"
-        uses: julia-actions/setup-julia@v2
-        with:
-          version: ${{ matrix.julia-version }}
-      - name: "Cache artifacts"
-        uses: julia-actions/cache@v2
-      - name: "Build package"
-        uses: julia-actions/julia-buildpkg@v1
-      - name: "Run tests"
-        uses: julia-actions/julia-runtest@v1
-        env:
-          HECKE_TEST_PARALLEL: "2"
-        with:
-          depwarn: error
-        #      - name: "Process code coverage"
-        #        uses: julia-actions/julia-processcoverage@v1
-        #      - name: "Upload coverage data to Codecov"
-        #        uses: codecov/codecov-action@v3
+#  test:
+#    runs-on: ${{ matrix.os }}
+#    continue-on-error: ${{ matrix.os == 'windows-latest' }}
+#    strategy:
+#      fail-fast: false
+#      matrix:
+#        julia-version:
+#          - '1.6'
+#          - '1.10'   # to be removed in the near future
+#          - '1.11'
+#          - 'nightly'
+#        os:
+#          - ubuntu-latest
+#        include:
+#          # Add a few windows and macOS jobs (not too many, the number we can run in parallel is limited)
+#          - julia-version: '1.10'
+#            os: macOS-latest
+#          - julia-version: '1.10'
+#            os: windows-latest
+#
+#    steps:
+#      - uses: actions/checkout@v4
+#      - name: "Set up Julia"
+#        uses: julia-actions/setup-julia@v2
+#        with:
+#          version: ${{ matrix.julia-version }}
+#      - name: "Cache artifacts"
+#        uses: julia-actions/cache@v2
+#      - name: "Build package"
+#        uses: julia-actions/julia-buildpkg@v1
+#      - name: "Run tests"
+#        uses: julia-actions/julia-runtest@v1
+#        env:
+#          HECKE_TEST_PARALLEL: "2"
+#        with:
+#          depwarn: error
+#        #      - name: "Process code coverage"
+#        #        uses: julia-actions/julia-processcoverage@v1
+#        #      - name: "Upload coverage data to Codecov"
+#        #        uses: codecov/codecov-action@v3
 
   docs:
     name: Documentation
diff --git a/.github/workflows/CILong.yml b/.github/workflows/CILong.yml
index 6449df04ce..500ec87f62 100644
--- a/.github/workflows/CILong.yml
+++ b/.github/workflows/CILong.yml
@@ -22,7 +22,7 @@ jobs:
       fail-fast: false
       matrix:
         julia-version:
-          - '1.10'
+          #- '1.10'
         julia-arch:
           - x64
         os:
diff --git a/docs/src/assets/warner.js b/docs/src/assets/warner.js
new file mode 100644
index 0000000000..3f6f5d0083
--- /dev/null
+++ b/docs/src/assets/warner.js
@@ -0,0 +1,52 @@
+function maybeAddWarning() {
+  // DOCUMENTER_NEWEST is defined in versions.js, DOCUMENTER_CURRENT_VERSION and DOCUMENTER_STABLE
+  // in siteinfo.js.
+  // If either of these are undefined something went horribly wrong, so we abort.
+  if (
+    window.DOCUMENTER_NEWEST === undefined ||
+    window.DOCUMENTER_CURRENT_VERSION === undefined ||
+    window.DOCUMENTER_STABLE === undefined
+  ) {
+    return;
+  }
+
+  // Current version is not a version number, so we can't tell if it's the newest version. Abort.
+  if (!/v(\d+\.)*\d+/.test(window.DOCUMENTER_CURRENT_VERSION)) {
+    return;
+  }
+
+  // Current version is newest version, so no need to add a warning.
+  if (window.DOCUMENTER_NEWEST === window.DOCUMENTER_CURRENT_VERSION) {
+    return;
+  }
+
+  // Add a noindex meta tag (unless one exists) so that search engines don't index this version of the docs.
+  if (document.body.querySelector('meta[name="robots"]') === null) {
+    const meta = document.createElement("meta");
+    meta.name = "robots";
+    meta.content = "noindex";
+
+    document.getElementsByTagName("head")[0].appendChild(meta);
+  }
+
+  const div = document.createElement("div");
+  div.classList.add("outdated-warning-overlay");
+  const closer = document.createElement("button");
+  closer.classList.add("outdated-warning-closer", "delete");
+  closer.addEventListener("click", function () {
+    document.body.removeChild(div);
+  });
+  const href = window.documenterBaseURL + "/../" + window.DOCUMENTER_STABLE;
+  div.innerHTML =
+    'This documentation is not for the latest stable release, but for either the development version or an older release.<br><a href="' +
+    href +
+    '">Click here to go to the documentation for the latest stable release.</a>';
+  div.appendChild(closer);
+  document.body.appendChild(div);
+}
+
+if (document.readyState === "loading") {
+  document.addEventListener("DOMContentLoaded", maybeAddWarning);
+} else {
+  maybeAddWarning();
+}