Updated to 2019.4.20f1

UOP1_Project/Packages/manifest.json

     "com.unity.polybrush": "1.0.2",
     "com.unity.probuilder": "4.4.0",
     "com.unity.progrids": "3.0.3-preview.6",
-    "com.unity.recorder": "2.5.2",
+    "com.unity.recorder": "2.5.4",
     "com.unity.render-pipelines.universal": "7.5.3",
     "com.unity.scriptablebuildpipeline": "1.16.1",
     "com.unity.settings-manager": "1.0.3",

UOP1_Project/Packages/packages-lock.json

       "url": "https://packages.unity.com"
     },
     "com.unity.recorder": {
-      "version": "2.5.2",
+      "version": "2.5.4",
-        "com.unity.timeline": "1.2.17"
+        "com.unity.timeline": "1.0.0"
       },
       "url": "https://packages.unity.com"
     },
       "url": "https://packages.unity.com"
     },
     "com.unity.test-framework": {
-      "version": "1.1.20",
+      "version": "1.1.22",
       "depth": 1,
       "source": "registry",
       "dependencies": {

UOP1_Project/ProjectSettings/ProjectVersion.txt

-m_EditorVersion: 2019.4.19f1
-m_EditorVersionWithRevision: 2019.4.19f1 (ca5b14067cec)
+m_EditorVersion: 2019.4.20f1
+m_EditorVersionWithRevision: 2019.4.20f1 (6dd1c08eedfa)