diff --git a/desktop/manifest.json b/desktop/manifest.json
index 97948f7..5a16113 100644
--- a/desktop/manifest.json
+++ b/desktop/manifest.json
@@ -2,13 +2,19 @@
   "schemaVersion": 1,
   "product": "MATE",
   "platform": "desktop",
-  "updatedAt": "2026-08-06T18:51:55Z",
+  "updatedAt": "2026-08-10T07:42:17Z",
   "channels": {
     "prod": {
       "manifest": "desktop/prod/manifest.json",
       "platforms": {
         "macos": "desktop/prod/macos/manifest.json"
       }
+    },
+    "test": {
+      "manifest": "desktop/test/manifest.json",
+      "platforms": {
+        "macos": "desktop/test/macos/manifest.json"
+      }
     }
   }
 }
diff --git a/desktop/prod/manifest.json b/desktop/prod/manifest.json
index 290bbc9..a5df4ca 100644
--- a/desktop/prod/manifest.json
+++ b/desktop/prod/manifest.json
@@ -3,7 +3,7 @@
   "product": "MATE",
   "platform": "desktop",
   "channel": "prod",
-  "updatedAt": "2026-08-06T18:51:55Z",
+  "updatedAt": "2026-08-10T07:42:17Z",
   "platforms": {
     "macos": "macos/manifest.json"
   }
diff --git a/desktop/test/macos/latest.json b/desktop/test/macos/latest.json
new file mode 100644
index 0000000..11a8181
--- /dev/null
+++ b/desktop/test/macos/latest.json
@@ -0,0 +1,15 @@
+{
+  "version": "0.1.23",
+  "notes": "MATE Desktop 0.1.23",
+  "pub_date": "2026-08-10T07:42:17Z",
+  "platforms": {
+    "darwin-aarch64-app": {
+      "url": "https://git.flsk.cloud/mate/mate-releases/media/branch/master/desktop/test/macos/v0.1.23/mate-test-0.1.23-macos-arm64-test.app.tar.gz",
+      "signature": "dW50cnVzdGVkIGNvbW1lbnQ6IHNpZ25hdHVyZSBmcm9tIHRhdXJpIHNlY3JldCBrZXkKUlVSbDZaRFFQUVFCeXhEekNFT2RDazJzOU9TNWJGRGR1ZVd6NitraU1hdkUzWWZzQzFSZnpKbkxKKytVWDNYTm8vVkgrYlM4V3JGRml0ZGhXeWtOeSswS3ZldEVXU3lFMGdzPQp0cnVzdGVkIGNvbW1lbnQ6IHRpbWVzdGFtcDoxNzg2MzQ3NDU2CWZpbGU6bWF0ZS10ZXN0LTAuMS4yMy1tYWNvcy1hcm02NC10ZXN0LmFwcC50YXIuZ3oKMXBmS2tZOXBqd2E4ZzRpMzdGbGMvY01yTHhwcWZaanJjbWZUdWlhblN2NG1La1FuaTJlM0RVVGd0WDYxUVNPcEJSVHZ1K21VWVpUYzN4RW5WeDhGQnc9PQo="
+    },
+    "darwin-aarch64": {
+      "url": "https://git.flsk.cloud/mate/mate-releases/media/branch/master/desktop/test/macos/v0.1.23/mate-test-0.1.23-macos-arm64-test.app.tar.gz",
+      "signature": "dW50cnVzdGVkIGNvbW1lbnQ6IHNpZ25hdHVyZSBmcm9tIHRhdXJpIHNlY3JldCBrZXkKUlVSbDZaRFFQUVFCeXhEekNFT2RDazJzOU9TNWJGRGR1ZVd6NitraU1hdkUzWWZzQzFSZnpKbkxKKytVWDNYTm8vVkgrYlM4V3JGRml0ZGhXeWtOeSswS3ZldEVXU3lFMGdzPQp0cnVzdGVkIGNvbW1lbnQ6IHRpbWVzdGFtcDoxNzg2MzQ3NDU2CWZpbGU6bWF0ZS10ZXN0LTAuMS4yMy1tYWNvcy1hcm02NC10ZXN0LmFwcC50YXIuZ3oKMXBmS2tZOXBqd2E4ZzRpMzdGbGMvY01yTHhwcWZaanJjbWZUdWlhblN2NG1La1FuaTJlM0RVVGd0WDYxUVNPcEJSVHZ1K21VWVpUYzN4RW5WeDhGQnc9PQo="
+    }
+  }
+}
diff --git a/desktop/test/macos/manifest.json b/desktop/test/macos/manifest.json
new file mode 100644
index 0000000..af73fdc
--- /dev/null
+++ b/desktop/test/macos/manifest.json
@@ -0,0 +1,67 @@
+{
+  "schemaVersion": 1,
+  "product": "MATE",
+  "platform": "desktop",
+  "channel": "test",
+  "os": "macos",
+  "updatedAt": "2026-08-10T07:42:17Z",
+  "latest": {
+    "version": "0.1.23",
+    "versionDir": "v0.1.23",
+    "publishedAt": "2026-08-10T07:42:17Z",
+    "dmg": {
+      "file": "v0.1.23/mate-test-0.1.23-macos-arm64-test.dmg",
+      "path": "desktop/test/macos/v0.1.23/mate-test-0.1.23-macos-arm64-test.dmg",
+      "url": "https://git.flsk.cloud/mate/mate-releases/media/branch/master/desktop/test/macos/v0.1.23/mate-test-0.1.23-macos-arm64-test.dmg",
+      "sha256": "9dbd0bf6014957f09f2e03285b1093b3130b70f6354c625102cc8b5c468b4b7b",
+      "size": 354651740
+    },
+    "updater": {
+      "file": "v0.1.23/mate-test-0.1.23-macos-arm64-test.app.tar.gz",
+      "path": "desktop/test/macos/v0.1.23/mate-test-0.1.23-macos-arm64-test.app.tar.gz",
+      "url": "https://git.flsk.cloud/mate/mate-releases/media/branch/master/desktop/test/macos/v0.1.23/mate-test-0.1.23-macos-arm64-test.app.tar.gz",
+      "signatureFile": "v0.1.23/mate-test-0.1.23-macos-arm64-test.app.tar.gz.sig",
+      "signature": "dW50cnVzdGVkIGNvbW1lbnQ6IHNpZ25hdHVyZSBmcm9tIHRhdXJpIHNlY3JldCBrZXkKUlVSbDZaRFFQUVFCeXhEekNFT2RDazJzOU9TNWJGRGR1ZVd6NitraU1hdkUzWWZzQzFSZnpKbkxKKytVWDNYTm8vVkgrYlM4V3JGRml0ZGhXeWtOeSswS3ZldEVXU3lFMGdzPQp0cnVzdGVkIGNvbW1lbnQ6IHRpbWVzdGFtcDoxNzg2MzQ3NDU2CWZpbGU6bWF0ZS10ZXN0LTAuMS4yMy1tYWNvcy1hcm02NC10ZXN0LmFwcC50YXIuZ3oKMXBmS2tZOXBqd2E4ZzRpMzdGbGMvY01yTHhwcWZaanJjbWZUdWlhblN2NG1La1FuaTJlM0RVVGd0WDYxUVNPcEJSVHZ1K21VWVpUYzN4RW5WeDhGQnc9PQo=",
+      "sha256": "c34b0fd54d98b5e853efa856c66d4acfeacc9eaa96415054a145cfe0a2c834c2",
+      "size": 239075995,
+      "targets": [
+        "darwin-aarch64-app",
+        "darwin-aarch64"
+      ]
+    },
+    "artifacts": [
+      {
+        "type": "dmg",
+        "file": "v0.1.23/mate-test-0.1.23-macos-arm64-test.dmg",
+        "path": "desktop/test/macos/v0.1.23/mate-test-0.1.23-macos-arm64-test.dmg",
+        "url": "https://git.flsk.cloud/mate/mate-releases/media/branch/master/desktop/test/macos/v0.1.23/mate-test-0.1.23-macos-arm64-test.dmg",
+        "sha256": "9dbd0bf6014957f09f2e03285b1093b3130b70f6354c625102cc8b5c468b4b7b",
+        "size": 354651740
+      },
+      {
+        "type": "tar.gz",
+        "file": "v0.1.23/mate-test-0.1.23-macos-arm64-test.app.tar.gz",
+        "path": "desktop/test/macos/v0.1.23/mate-test-0.1.23-macos-arm64-test.app.tar.gz",
+        "url": "https://git.flsk.cloud/mate/mate-releases/media/branch/master/desktop/test/macos/v0.1.23/mate-test-0.1.23-macos-arm64-test.app.tar.gz",
+        "sha256": "c34b0fd54d98b5e853efa856c66d4acfeacc9eaa96415054a145cfe0a2c834c2",
+        "size": 239075995
+      },
+      {
+        "type": "sig",
+        "file": "v0.1.23/mate-test-0.1.23-macos-arm64-test.app.tar.gz.sig",
+        "path": "desktop/test/macos/v0.1.23/mate-test-0.1.23-macos-arm64-test.app.tar.gz.sig",
+        "url": "https://git.flsk.cloud/mate/mate-releases/media/branch/master/desktop/test/macos/v0.1.23/mate-test-0.1.23-macos-arm64-test.app.tar.gz.sig",
+        "sha256": "c45e7e3166371c6d217d07cc555a465b6ff8fb8078cbfae230348885e7c83052",
+        "size": 440
+      },
+      {
+        "type": "json",
+        "file": "v0.1.23/mate-test-0.1.23-macos-arm64-test.manifest.json",
+        "path": "desktop/test/macos/v0.1.23/mate-test-0.1.23-macos-arm64-test.manifest.json",
+        "url": "https://git.flsk.cloud/mate/mate-releases/media/branch/master/desktop/test/macos/v0.1.23/mate-test-0.1.23-macos-arm64-test.manifest.json",
+        "sha256": "7c545a4de7468a8f0a9fd9a15e007fdddae5205ddb9d12f3ba789cd2fd6be28f",
+        "size": 981
+      }
+    ]
+  }
+}
diff --git a/desktop/test/macos/v0.1.23/mate-test-0.1.23-macos-arm64-test.app.tar.gz b/desktop/test/macos/v0.1.23/mate-test-0.1.23-macos-arm64-test.app.tar.gz
new file mode 100644
index 0000000..cf65547
--- /dev/null
+++ b/desktop/test/macos/v0.1.23/mate-test-0.1.23-macos-arm64-test.app.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c34b0fd54d98b5e853efa856c66d4acfeacc9eaa96415054a145cfe0a2c834c2
+size 239075995
diff --git a/desktop/test/macos/v0.1.23/mate-test-0.1.23-macos-arm64-test.app.tar.gz.sha256 b/desktop/test/macos/v0.1.23/mate-test-0.1.23-macos-arm64-test.app.tar.gz.sha256
new file mode 100644
index 0000000..56561ec
--- /dev/null
+++ b/desktop/test/macos/v0.1.23/mate-test-0.1.23-macos-arm64-test.app.tar.gz.sha256
@@ -0,0 +1 @@
+c34b0fd54d98b5e853efa856c66d4acfeacc9eaa96415054a145cfe0a2c834c2  mate-test-0.1.23-macos-arm64-test.app.tar.gz
diff --git a/desktop/test/macos/v0.1.23/mate-test-0.1.23-macos-arm64-test.app.tar.gz.sig b/desktop/test/macos/v0.1.23/mate-test-0.1.23-macos-arm64-test.app.tar.gz.sig
new file mode 100644
index 0000000..51d3b90
--- /dev/null
+++ b/desktop/test/macos/v0.1.23/mate-test-0.1.23-macos-arm64-test.app.tar.gz.sig
@@ -0,0 +1 @@
+dW50cnVzdGVkIGNvbW1lbnQ6IHNpZ25hdHVyZSBmcm9tIHRhdXJpIHNlY3JldCBrZXkKUlVSbDZaRFFQUVFCeXhEekNFT2RDazJzOU9TNWJGRGR1ZVd6NitraU1hdkUzWWZzQzFSZnpKbkxKKytVWDNYTm8vVkgrYlM4V3JGRml0ZGhXeWtOeSswS3ZldEVXU3lFMGdzPQp0cnVzdGVkIGNvbW1lbnQ6IHRpbWVzdGFtcDoxNzg2MzQ3NDU2CWZpbGU6bWF0ZS10ZXN0LTAuMS4yMy1tYWNvcy1hcm02NC10ZXN0LmFwcC50YXIuZ3oKMXBmS2tZOXBqd2E4ZzRpMzdGbGMvY01yTHhwcWZaanJjbWZUdWlhblN2NG1La1FuaTJlM0RVVGd0WDYxUVNPcEJSVHZ1K21VWVpUYzN4RW5WeDhGQnc9PQo=
\ No newline at end of file
diff --git a/desktop/test/macos/v0.1.23/mate-test-0.1.23-macos-arm64-test.app.tar.gz.sig.sha256 b/desktop/test/macos/v0.1.23/mate-test-0.1.23-macos-arm64-test.app.tar.gz.sig.sha256
new file mode 100644
index 0000000..50972e6
--- /dev/null
+++ b/desktop/test/macos/v0.1.23/mate-test-0.1.23-macos-arm64-test.app.tar.gz.sig.sha256
@@ -0,0 +1 @@
+c45e7e3166371c6d217d07cc555a465b6ff8fb8078cbfae230348885e7c83052  mate-test-0.1.23-macos-arm64-test.app.tar.gz.sig
diff --git a/desktop/test/macos/v0.1.23/mate-test-0.1.23-macos-arm64-test.dmg b/desktop/test/macos/v0.1.23/mate-test-0.1.23-macos-arm64-test.dmg
new file mode 100644
index 0000000..4e43066
--- /dev/null
+++ b/desktop/test/macos/v0.1.23/mate-test-0.1.23-macos-arm64-test.dmg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9dbd0bf6014957f09f2e03285b1093b3130b70f6354c625102cc8b5c468b4b7b
+size 354651740
diff --git a/desktop/test/macos/v0.1.23/mate-test-0.1.23-macos-arm64-test.dmg.sha256 b/desktop/test/macos/v0.1.23/mate-test-0.1.23-macos-arm64-test.dmg.sha256
new file mode 100644
index 0000000..4f9c7d8
--- /dev/null
+++ b/desktop/test/macos/v0.1.23/mate-test-0.1.23-macos-arm64-test.dmg.sha256
@@ -0,0 +1 @@
+9dbd0bf6014957f09f2e03285b1093b3130b70f6354c625102cc8b5c468b4b7b  mate-test-0.1.23-macos-arm64-test.dmg
diff --git a/desktop/test/macos/v0.1.23/mate-test-0.1.23-macos-arm64-test.manifest.json b/desktop/test/macos/v0.1.23/mate-test-0.1.23-macos-arm64-test.manifest.json
new file mode 100644
index 0000000..1212697
--- /dev/null
+++ b/desktop/test/macos/v0.1.23/mate-test-0.1.23-macos-arm64-test.manifest.json
@@ -0,0 +1,28 @@
+{
+  "product": "MATE Desktop",
+  "environment": "test",
+  "releaseChannel": "test",
+  "releaseOs": "macos",
+  "version": "0.1.23",
+  "architecture": "arm64",
+  "productName": "MATE Test",
+  "bundleIdentifier": "com.swisswise.mate-desktop.test",
+  "platform": "macOS",
+  "fileName": "mate-test-0.1.23-macos-arm64-test.dmg",
+  "sizeBytes": 354651740,
+  "sha256": "9dbd0bf6014957f09f2e03285b1093b3130b70f6354c625102cc8b5c468b4b7b",
+  "notarized": true,
+  "minimumSystemVersion": "11.0",
+  "updater": {
+    "endpoint": "https://git.flsk.cloud/mate/mate-releases/raw/branch/master/desktop/test/macos/latest.json",
+    "fileName": "mate-test-0.1.23-macos-arm64-test.app.tar.gz",
+    "signatureFileName": "mate-test-0.1.23-macos-arm64-test.app.tar.gz.sig",
+    "sizeBytes": 239075995,
+    "sha256": "c34b0fd54d98b5e853efa856c66d4acfeacc9eaa96415054a145cfe0a2c834c2",
+    "targets": [
+      "darwin-aarch64-app",
+      "darwin-aarch64"
+    ]
+  },
+  "builtAt": "2026-08-10T07:40:23.072Z"
+}
diff --git a/desktop/test/macos/v0.1.23/mate-test-0.1.23-macos-arm64-test.manifest.json.sha256 b/desktop/test/macos/v0.1.23/mate-test-0.1.23-macos-arm64-test.manifest.json.sha256
new file mode 100644
index 0000000..6ce545f
--- /dev/null
+++ b/desktop/test/macos/v0.1.23/mate-test-0.1.23-macos-arm64-test.manifest.json.sha256
@@ -0,0 +1 @@
+7c545a4de7468a8f0a9fd9a15e007fdddae5205ddb9d12f3ba789cd2fd6be28f  mate-test-0.1.23-macos-arm64-test.manifest.json
diff --git a/desktop/test/manifest.json b/desktop/test/manifest.json
new file mode 100644
index 0000000..d760ae2
--- /dev/null
+++ b/desktop/test/manifest.json
@@ -0,0 +1,10 @@
+{
+  "schemaVersion": 1,
+  "product": "MATE",
+  "platform": "desktop",
+  "channel": "test",
+  "updatedAt": "2026-08-10T07:42:17Z",
+  "platforms": {
+    "macos": "macos/manifest.json"
+  }
+}
diff --git a/manifest.json b/manifest.json
index bd369c9..1b91672 100644
--- a/manifest.json
+++ b/manifest.json
@@ -1,20 +1,13 @@
 {
   "schemaVersion": 1,
   "product": "MATE",
-  "updatedAt": "2026-08-09T23:22:44Z",
+  "updatedAt": "2026-08-10T07:42:17Z",
   "platforms": {
     "android": {
-      "manifest": "android/manifest.json",
-      "channels": {
-        "stable": "android/stable/manifest.json"
-      }
-    }
-,
+      "manifest": "android/manifest.json"
+    },
     "desktop": {
-      "manifest": "desktop/manifest.json",
-      "channels": {
-        "prod": "desktop/prod/manifest.json"
-      }
+      "manifest": "desktop/manifest.json"
     }
   }
 }