Package update. Note that for UTP 1.0.0-pre.8 there's an editor bug in 2020.3 where code analysis will fail compilation. The workaround is to disable Roslyn analyzers in the Project Settings; this should be fixed in a few weeks.

Packages/manifest.json

     "com.unity.ide.rider": "3.0.7",
     "com.unity.ide.visualstudio": "2.0.11",
     "com.unity.ide.vscode": "1.2.4",
-    "com.unity.netcode.adapter.utp": "1.0.0-pre.2",
+    "com.unity.netcode.adapter.utp": "1.0.0-pre.3",
-    "com.unity.services.core": "1.1.0-pre.10",
+    "com.unity.services.core": "1.1.0-pre.11",
-    "com.unity.services.relay": "1.0.1-pre.2",
+    "com.unity.services.relay": "1.0.1-pre.3",
-    "com.unity.transport": "1.0.0-pre.5",
+    "com.unity.transport": "1.0.0-pre.8",
     "com.unity.ugui": "1.0.0",
     "com.unity.modules.ai": "1.0.0",
     "com.unity.modules.androidjni": "1.0.0",

Packages/packages-lock.json

       "url": "https://packages.unity.com"
     },
     "com.unity.collections": {
-      "version": "1.0.0-pre.6",
-      "depth": 0,
+      "version": "1.1.0",
+      "depth": 1,
-        "com.unity.test-framework": "1.1.22"
+        "com.unity.test-framework": "1.1.29"
       },
       "url": "https://packages.unity.com"
     },
       "url": "https://packages.unity.com"
     },
     "com.unity.netcode.adapter.utp": {
-      "version": "1.0.0-pre.2",
+      "version": "1.0.0-pre.3",
-        "com.unity.netcode.gameobjects": "1.0.0-pre.2",
-        "com.unity.transport": "1.0.0-pre.6"
+        "com.unity.netcode.gameobjects": "1.0.0-pre.3",
+        "com.unity.transport": "1.0.0-pre.7"
-      "version": "1.0.0-pre.2",
-      "depth": 0,
+      "version": "1.0.0-pre.3",
+      "depth": 1,
       "source": "registry",
       "dependencies": {
         "com.unity.modules.ai": "1.0.0",
       "url": "https://packages.unity.com"
     },
     "com.unity.services.core": {
-      "version": "1.1.0-pre.10",
+      "version": "1.1.0-pre.11",
       "depth": 0,
       "source": "registry",
       "dependencies": {
       "url": "https://packages.unity.com"
     },
     "com.unity.services.relay": {
-      "version": "1.0.1-pre.2",
+      "version": "1.0.1-pre.3",
       "depth": 0,
       "source": "registry",
       "dependencies": {
       "url": "https://packages.unity.com"
     },
     "com.unity.transport": {
-      "version": "1.0.0-pre.6",
-      "depth": 1,
+      "version": "1.0.0-pre.8",
+      "depth": 0,
-        "com.unity.collections": "1.0.0-pre.5",
+        "com.unity.collections": "1.1.0",
         "com.unity.burst": "1.5.5",
         "com.unity.mathematics": "1.2.1"
       },

ProjectSettings/ProjectSettings.asset

   allowUnsafeCode: 0
   useDeterministicCompilation: 1
   useReferenceAssemblies: 1
-  enableRoslynAnalyzers: 1
+  enableRoslynAnalyzers: 0
   additionalIl2CppArgs: 
   scriptingRuntimeVersion: 1
   gcIncremental: 1