diff --git a/docs/releases/v2.2.3.md b/docs/releases/v2.2.3.md
new file mode 100644
index 0000000000000000000000000000000000000000..11cfbcf47bd517a6b7d57621cfe1ecb38bf787f6
--- /dev/null
+++ b/docs/releases/v2.2.3.md
@@ -0,0 +1,10 @@
+# v2.2.3
+
+## Bugfixes
+
+- Fixed `undefined` showing for hemisphere metadata (#537)
+- Fixed non atlas image e2e test URL
+
+## Under the hood stuff
+
+- renamed css class for consistency
\ No newline at end of file
diff --git a/e2e/src/advanced/nonAtlasImages.prod.e2e-spec.js b/e2e/src/advanced/nonAtlasImages.prod.e2e-spec.js
index c8cd197adabbe037d22a2ec514c778d2c98568be..89d645b7d937aef4259c7b5a46fb0062f628966f 100644
--- a/e2e/src/advanced/nonAtlasImages.prod.e2e-spec.js
+++ b/e2e/src/advanced/nonAtlasImages.prod.e2e-spec.js
@@ -113,6 +113,40 @@ describe('> non-atlas images', () => {
           }
         )
       )
+
+      const arr = [
+        "https://neuroglancer.humanbrainproject.eu/precomputed/PLI_FOM/BI-FOM-HSV_R",
+        "https://neuroglancer.humanbrainproject.eu/precomputed/PLI_FOM/BI-FOM-HSV_G",
+        "https://neuroglancer.humanbrainproject.eu/precomputed/PLI_FOM/BI-FOM-HSV_B",
+        "https://neuroglancer.humanbrainproject.eu/precomputed/PLI_FOM/BI",
+        "https://neuroglancer.humanbrainproject.eu/precomputed/PLI_FOM/BI-TIM",
+        "https://neuroglancer.humanbrainproject.eu/precomputed/PLI_FOM/BI-MRI",
+        "https://neuroglancer.humanbrainproject.eu/precomputed/PLI_FOM/BI-MRS",
+      ]
+
+      expect(
+        interceptedCalls
+      ).toContain(
+        jasmine.objectContaining(
+          {
+            method: 'GET',
+            url: 'https://neuroglancer.humanbrainproject.org/precomputed/BigBrainRelease.2015/8bit/info'
+          }
+        )
+      )
+
+      for (const url of arr) {
+        expect(
+          interceptedCalls
+        ).toContain(
+          jasmine.objectContaining(
+            {
+              method: 'GET',
+              url: `${url}/info`
+            }
+          )
+        )
+      }
     })
 
     it('> if ref tmpl is not right, only tmpl is loaded', async () => {
diff --git a/mkdocs.yml b/mkdocs.yml
index 351f3d9143020530c2373f88521052a98f1cf5b6..1c35290ef120aa15db485eb356448d3973077d08 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -40,6 +40,7 @@ pages:
     - Fetching datasets: 'advanced/datasets.md'
     - Display non-atlas volumes: 'advanced/otherVolumes.md'
   - Release notes:
+    - v2.2.3: 'releases/v2.2.3.md'
     - v2.2.2: 'releases/v2.2.2.md'
     - v2.2.1: 'releases/v2.2.1.md'
     - v2.2.0: 'releases/v2.2.0.md'