diff --git a/Packages/Tracking/CHANGELOG.md b/Packages/Tracking/CHANGELOG.md
index 427555357..6b5cf0b6b 100644
--- a/Packages/Tracking/CHANGELOG.md
+++ b/Packages/Tracking/CHANGELOG.md
@@ -19,6 +19,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Updated Copyright year to 2025
 - Split tracking preview examples into different groups - common assets, main examples and examples that need the old input manager to work (e.g. UI input)
 - (Service Provider) Expose service IP and port as user settable variables
+- Removed option to disable BiRP->URP upgrade on a per user basis for non-Windows machines as it's not supported.
 
 ### Fixed
 - Fixed some warnings around runtime variables that were only used in editor mode
diff --git a/Packages/Tracking/Core/Runtime/Scripts/UltraleapSettings.cs b/Packages/Tracking/Core/Runtime/Scripts/UltraleapSettings.cs
index 5fd39688f..a0c0212ab 100644
--- a/Packages/Tracking/Core/Runtime/Scripts/UltraleapSettings.cs
+++ b/Packages/Tracking/Core/Runtime/Scripts/UltraleapSettings.cs
@@ -9,6 +9,7 @@
 using System;
 using System.Collections.Generic;
 using UnityEngine;
+using System.Runtime.InteropServices;
 
 #if UNITY_EDITOR
 using UnityEditor;
@@ -160,20 +161,24 @@ private static void NotificationSection(SerializedObject settings)
 
         private static void RenderPipelineSupportSection(SerializedObject settings)
         {
-            EditorGUILayout.LabelField("Render Pipeline Support", EditorStyles.boldLabel);
-            EditorGUILayout.Space(5);
-
-            using (new EditorGUI.IndentLevelScope())
+            if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
             {
-                // Enable automatic upgrades
-                UltraleapSettings.AutomaticallyUpgradeMaterialsToCurrentRenderPipeline = 
-                    EditorGUILayout.ToggleLeft("Enable automatic updates of the Ultraleap plugin materials to the active render pipeline on this machine.", UltraleapSettings.AutomaticallyUpgradeMaterialsToCurrentRenderPipeline);
-                EditorGUILayout.TextArea("Note: if set to false, this setting will persist across ALL Unity projects that use the plugin. You can still manually force the upgrade.");
-            }
+                EditorGUILayout.LabelField("Render Pipeline Support", EditorStyles.boldLabel);
+                EditorGUILayout.Space(5);
 
-            EditorGUILayout.Space(30);
+                using (new EditorGUI.IndentLevelScope())
+                {
 
-            settings.ApplyModifiedProperties();
+                    // Enable automatic upgrades
+                    UltraleapSettings.AutomaticallyUpgradeMaterialsToCurrentRenderPipeline =
+                        EditorGUILayout.ToggleLeft("Enable automatic updates of the Ultraleap plugin materials to the active render pipeline on this machine.", UltraleapSettings.AutomaticallyUpgradeMaterialsToCurrentRenderPipeline);
+                    EditorGUILayout.TextArea("Note: if set to false, this setting will persist across ALL Unity projects that use the plugin. You can still manually force the upgrade.");
+                }
+
+                EditorGUILayout.Space(30);
+
+                settings.ApplyModifiedProperties();
+            }
         }
 
         private static void ResetSection(SerializedObject settings)
@@ -238,20 +243,31 @@ public static bool AutomaticallyUpgradeMaterialsToCurrentRenderPipeline
         {
             get
             {
-                string readValue = System.Environment.GetEnvironmentVariable(automaticallyUpgradeMaterialsToCurrentRenderPipelineEnvironmentVariableName, EnvironmentVariableTarget.User);
+                if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
+                {
+                    string readValue = System.Environment.GetEnvironmentVariable(automaticallyUpgradeMaterialsToCurrentRenderPipelineEnvironmentVariableName, EnvironmentVariableTarget.User);
+
+                    if (string.IsNullOrEmpty(readValue))
+                    {
+                        AutomaticallyUpgradeMaterialsToCurrentRenderPipeline = defaultValueForAutomaticallyUpgradingMaterialsForActiveRenderPipeline;
+                        return defaultValueForAutomaticallyUpgradingMaterialsForActiveRenderPipeline;
+                    }
 
-                if (string.IsNullOrEmpty(readValue))
+                    return Convert.ToBoolean(readValue);
+                }
+                else
                 {
-                    AutomaticallyUpgradeMaterialsToCurrentRenderPipeline = defaultValueForAutomaticallyUpgradingMaterialsForActiveRenderPipeline;
-                    return defaultValueForAutomaticallyUpgradingMaterialsForActiveRenderPipeline;
+                    return true;
                 }
-
-                return Convert.ToBoolean(readValue);
             }
 
             set
             {
-                System.Environment.SetEnvironmentVariable(automaticallyUpgradeMaterialsToCurrentRenderPipelineEnvironmentVariableName, Convert.ToString(value), EnvironmentVariableTarget.User);
+                if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
+                {
+                    // Setting user scoped environment variables is only supported on Windows
+                    System.Environment.SetEnvironmentVariable(automaticallyUpgradeMaterialsToCurrentRenderPipelineEnvironmentVariableName, Convert.ToString(value), EnvironmentVariableTarget.User);
+                }
             }
         }