diff --git a/runtimes/meta_quest_3_mobile.json b/runtimes/meta_quest_3_mobile.json
index 627c5f5..38a7ef9 100644
--- a/runtimes/meta_quest_3_mobile.json
+++ b/runtimes/meta_quest_3_mobile.json
@@ -91,7 +91,8 @@
                 {
                     "view_configuration": "XR_VIEW_CONFIGURATION_TYPE_PRIMARY_STEREO",
                     "environment_blend_modes": [
-                        "OPAQUE"
+                        "OPAQUE",
+                        "ALPHA_BLEND"
                     ]
                 }
             ]
diff --git a/runtimes/meta_quest_3s_mobile.json b/runtimes/meta_quest_3s_mobile.json
index 24441bb..13032d1 100644
--- a/runtimes/meta_quest_3s_mobile.json
+++ b/runtimes/meta_quest_3s_mobile.json
@@ -19,6 +19,7 @@
         "XR_KHR_vulkan_enable",
         "XR_KHR_vulkan_enable2",
         "XR_EXT_active_action_set_priority",
+        "XR_EXT_composition_layer_inverted_alpha",
         "XR_EXT_hand_interaction",
         "XR_EXT_hand_joints_motion_range",
         "XR_EXT_hand_tracking",
@@ -86,7 +87,8 @@
                 {
                     "view_configuration": "XR_VIEW_CONFIGURATION_TYPE_PRIMARY_STEREO",
                     "environment_blend_modes": [
-                        "OPAQUE"
+                        "OPAQUE",
+                        "ALPHA_BLEND"
                     ]
                 }
             ]
diff --git a/runtimes/meta_quest_pro_mobile.json b/runtimes/meta_quest_pro_mobile.json
index 9a1cfa3..ab881ac 100644
--- a/runtimes/meta_quest_pro_mobile.json
+++ b/runtimes/meta_quest_pro_mobile.json
@@ -94,7 +94,8 @@
                 {
                     "view_configuration": "XR_VIEW_CONFIGURATION_TYPE_PRIMARY_STEREO",
                     "environment_blend_modes": [
-                        "OPAQUE"
+                        "OPAQUE",
+                        "ALPHA_BLEND"
                     ]
                 }
             ]
diff --git a/runtimes/meta_xr_simulator.json b/runtimes/meta_xr_simulator.json
index 6ecd0d1..d719974 100644
--- a/runtimes/meta_xr_simulator.json
+++ b/runtimes/meta_xr_simulator.json
@@ -14,6 +14,7 @@
         "XR_KHR_vulkan_enable",
         "XR_KHR_vulkan_enable2",
         "XR_KHR_win32_convert_performance_counter_time",
+        "XR_EXT_composition_layer_inverted_alpha",
         "XR_EXT_conformance_automation",
         "XR_EXT_debug_utils",
         "XR_EXT_hand_tracking",
@@ -44,7 +45,8 @@
                 {
                     "view_configuration": "XR_VIEW_CONFIGURATION_TYPE_PRIMARY_STEREO",
                     "environment_blend_modes": [
-                        "OPAQUE"
+                        "OPAQUE",
+                        "ALPHA_BLEND"
                     ]
                 }
             ]