diff --git a/Cargo.lock b/Cargo.lock
index 3a5abf79fb..acbd554930 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -180,7 +180,7 @@ dependencies = [
 
 [[package]]
 name = "alvr_adb"
-version = "21.0.0-dev10"
+version = "21.0.0-dev11"
 dependencies = [
  "alvr_common",
  "alvr_filesystem",
@@ -193,7 +193,7 @@ dependencies = [
 
 [[package]]
 name = "alvr_audio"
-version = "21.0.0-dev10"
+version = "21.0.0-dev11"
 dependencies = [
  "alvr_common",
  "alvr_session",
@@ -209,7 +209,7 @@ dependencies = [
 
 [[package]]
 name = "alvr_client_core"
-version = "21.0.0-dev10"
+version = "21.0.0-dev11"
 dependencies = [
  "alvr_audio",
  "alvr_common",
@@ -231,7 +231,7 @@ dependencies = [
 
 [[package]]
 name = "alvr_client_mock"
-version = "21.0.0-dev10"
+version = "21.0.0-dev11"
 dependencies = [
  "alvr_client_core",
  "alvr_common",
@@ -244,7 +244,7 @@ dependencies = [
 
 [[package]]
 name = "alvr_client_openxr"
-version = "21.0.0-dev10"
+version = "21.0.0-dev11"
 dependencies = [
  "alvr_client_core",
  "alvr_common",
@@ -261,7 +261,7 @@ dependencies = [
 
 [[package]]
 name = "alvr_common"
-version = "21.0.0-dev10"
+version = "21.0.0-dev11"
 dependencies = [
  "anyhow",
  "backtrace",
@@ -276,7 +276,7 @@ dependencies = [
 
 [[package]]
 name = "alvr_dashboard"
-version = "21.0.0-dev10"
+version = "21.0.0-dev11"
 dependencies = [
  "alvr_adb",
  "alvr_audio",
@@ -308,7 +308,7 @@ dependencies = [
 
 [[package]]
 name = "alvr_events"
-version = "21.0.0-dev10"
+version = "21.0.0-dev11"
 dependencies = [
  "alvr_common",
  "alvr_packets",
@@ -319,14 +319,14 @@ dependencies = [
 
 [[package]]
 name = "alvr_filesystem"
-version = "21.0.0-dev10"
+version = "21.0.0-dev11"
 dependencies = [
  "dirs",
 ]
 
 [[package]]
 name = "alvr_graphics"
-version = "21.0.0-dev10"
+version = "21.0.0-dev11"
 dependencies = [
  "alvr_common",
  "alvr_session",
@@ -339,7 +339,7 @@ dependencies = [
 
 [[package]]
 name = "alvr_gui_common"
-version = "21.0.0-dev10"
+version = "21.0.0-dev11"
 dependencies = [
  "alvr_common",
  "egui",
@@ -347,7 +347,7 @@ dependencies = [
 
 [[package]]
 name = "alvr_launcher"
-version = "21.0.0-dev10"
+version = "21.0.0-dev11"
 dependencies = [
  "alvr_adb",
  "alvr_common",
@@ -370,7 +370,7 @@ dependencies = [
 
 [[package]]
 name = "alvr_packets"
-version = "21.0.0-dev10"
+version = "21.0.0-dev11"
 dependencies = [
  "alvr_common",
  "alvr_session",
@@ -380,7 +380,7 @@ dependencies = [
 
 [[package]]
 name = "alvr_server_core"
-version = "21.0.0-dev10"
+version = "21.0.0-dev11"
 dependencies = [
  "alvr_adb",
  "alvr_audio",
@@ -409,7 +409,7 @@ dependencies = [
 
 [[package]]
 name = "alvr_server_io"
-version = "21.0.0-dev10"
+version = "21.0.0-dev11"
 dependencies = [
  "alvr_common",
  "alvr_events",
@@ -424,7 +424,7 @@ dependencies = [
 
 [[package]]
 name = "alvr_server_openvr"
-version = "21.0.0-dev10"
+version = "21.0.0-dev11"
 dependencies = [
  "alvr_common",
  "alvr_filesystem",
@@ -442,7 +442,7 @@ dependencies = [
 
 [[package]]
 name = "alvr_session"
-version = "21.0.0-dev10"
+version = "21.0.0-dev11"
 dependencies = [
  "alvr_common",
  "alvr_filesystem",
@@ -456,7 +456,7 @@ dependencies = [
 
 [[package]]
 name = "alvr_sockets"
-version = "21.0.0-dev10"
+version = "21.0.0-dev11"
 dependencies = [
  "alvr_common",
  "alvr_session",
@@ -469,7 +469,7 @@ dependencies = [
 
 [[package]]
 name = "alvr_system_info"
-version = "21.0.0-dev10"
+version = "21.0.0-dev11"
 dependencies = [
  "alvr_common",
  "jni",
@@ -483,7 +483,7 @@ dependencies = [
 
 [[package]]
 name = "alvr_vrcompositor_wrapper"
-version = "21.0.0-dev10"
+version = "21.0.0-dev11"
 dependencies = [
  "alvr_common",
  "alvr_filesystem",
@@ -493,7 +493,7 @@ dependencies = [
 
 [[package]]
 name = "alvr_vulkan_layer"
-version = "21.0.0-dev10"
+version = "21.0.0-dev11"
 dependencies = [
  "alvr_common",
  "alvr_filesystem",
@@ -505,7 +505,7 @@ dependencies = [
 
 [[package]]
 name = "alvr_xtask"
-version = "21.0.0-dev10"
+version = "21.0.0-dev11"
 dependencies = [
  "alvr_filesystem",
  "pico-args",
diff --git a/Cargo.toml b/Cargo.toml
index 0bc21b26df..904e4c25a2 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -3,7 +3,7 @@ resolver = "2"
 members = ["alvr/*"]
 
 [workspace.package]
-version = "21.0.0-dev10"
+version = "21.0.0-dev11"
 edition = "2024"
 rust-version = "1.88"
 authors = ["alvr-org"]
diff --git a/alvr/client_core/src/lib.rs b/alvr/client_core/src/lib.rs
index 9747c1fac2..980ee5600d 100644
--- a/alvr/client_core/src/lib.rs
+++ b/alvr/client_core/src/lib.rs
@@ -222,6 +222,14 @@ impl ClientCoreContext {
         }
     }
 
+    pub fn send_proximity_state(&self, headset_is_worn: bool) {
+        if let Some(sender) = &mut *self.connection_context.control_sender.lock() {
+            sender
+                .send(&ClientControlPacket::ProximityState(headset_is_worn))
+                .ok();
+        }
+    }
+
     pub fn get_total_prediction_offset(&self) -> Duration {
         dbg_client_core!("get_total_prediction_offset");
 
diff --git a/alvr/client_openxr/src/lib.rs b/alvr/client_openxr/src/lib.rs
index e49c7cee8a..4f5da4fd0d 100644
--- a/alvr/client_openxr/src/lib.rs
+++ b/alvr/client_openxr/src/lib.rs
@@ -166,6 +166,7 @@ pub fn entry_point() {
     exts.ext_eye_gaze_interaction = available_extensions.ext_eye_gaze_interaction;
     exts.ext_hand_tracking = available_extensions.ext_hand_tracking;
     exts.ext_local_floor = available_extensions.ext_local_floor;
+    exts.ext_user_presence = available_extensions.ext_user_presence;
     exts.fb_body_tracking = available_extensions.fb_body_tracking;
     exts.fb_color_space = available_extensions.fb_color_space;
     exts.fb_composition_layer_settings = available_extensions.fb_composition_layer_settings;
@@ -320,6 +321,7 @@ pub fn entry_point() {
         let mut passthrough_layer = None;
 
         let mut event_storage = xr::EventDataBuffer::new();
+        let mut headset_is_worn = true;
         'render_loop: loop {
             while let Some(event) = xr_instance.poll_event(&mut event_storage).unwrap() {
                 match event {
@@ -378,6 +380,12 @@ pub fn entry_point() {
                     | xr::Event::PassthroughStateChangedFB(_) => {
                         // todo
                     }
+                    xr::Event::UserPresenceChangedEXT(event) => {
+                        alvr_common::info!("user present: {:?}", event.is_user_present());
+                        headset_is_worn = event.is_user_present();
+
+                        core_context.send_proximity_state(event.is_user_present());
+                    }
                     _ => (),
                 }
             }
@@ -410,6 +418,8 @@ pub fn entry_point() {
                         }
 
                         stream_context = Some(context);
+
+                        core_context.send_proximity_state(headset_is_worn);
                     }
                     ClientCoreEvent::StreamingStopped => {
                         if passthrough_layer.is_none() {
diff --git a/alvr/packets/src/lib.rs b/alvr/packets/src/lib.rs
index e3f4537830..8f6725a701 100644
--- a/alvr/packets/src/lib.rs
+++ b/alvr/packets/src/lib.rs
@@ -193,6 +193,7 @@ pub enum ClientControlPacket {
         level: LogSeverity,
         message: String,
     },
+    ProximityState(bool),
     Reserved(String),
     ReservedBuffer(Vec<u8>),
 }
diff --git a/alvr/server_core/src/c_api.rs b/alvr/server_core/src/c_api.rs
index 32e2948a21..657937d57d 100644
--- a/alvr/server_core/src/c_api.rs
+++ b/alvr/server_core/src/c_api.rs
@@ -71,6 +71,7 @@ pub enum AlvrEvent {
     CaptureFrame,
     RestartPending,
     ShutdownPending,
+    ProximityState(bool),
 }
 
 #[repr(C)]
@@ -293,6 +294,9 @@ pub unsafe extern "C" fn alvr_poll_event(out_event: *mut AlvrEvent, timeout_ns:
             },
             ServerCoreEvent::GameRenderLatencyFeedback(_)
             | ServerCoreEvent::SetOpenvrProperty { .. } => {} // implementation not needed
+            ServerCoreEvent::ProximityState(headset_is_worn) => unsafe {
+                *out_event = AlvrEvent::ProximityState(headset_is_worn);
+            },
         }
 
         true
diff --git a/alvr/server_core/src/connection.rs b/alvr/server_core/src/connection.rs
index 0ff4c173ad..a8add4d029 100644
--- a/alvr/server_core/src/connection.rs
+++ b/alvr/server_core/src/connection.rs
@@ -1277,6 +1277,11 @@ fn connection_pipeline(
                         info!("Client {client_hostname}: [{level:?}] {message}")
                     }
                     ClientControlPacket::KeepAlive | ClientControlPacket::StreamReady => (),
+                    ClientControlPacket::ProximityState(headset_is_worn) => {
+                        ctx.events_sender
+                            .send(ServerCoreEvent::ProximityState(headset_is_worn))
+                            .ok();
+                    }
                     ClientControlPacket::Reserved(_) | ClientControlPacket::ReservedBuffer(_) => (),
                 }
 
diff --git a/alvr/server_core/src/lib.rs b/alvr/server_core/src/lib.rs
index 47d6295332..b3f180423f 100644
--- a/alvr/server_core/src/lib.rs
+++ b/alvr/server_core/src/lib.rs
@@ -89,6 +89,7 @@ pub enum ServerCoreEvent {
     GameRenderLatencyFeedback(Duration), // only used for SteamVR
     ShutdownPending,
     RestartPending,
+    ProximityState(bool),
 }
 
 pub struct ConnectionContext {
diff --git a/alvr/server_openvr/cpp/alvr_server/HMD.cpp b/alvr/server_openvr/cpp/alvr_server/HMD.cpp
index 27c41db105..cdf48f8aff 100644
--- a/alvr/server_openvr/cpp/alvr_server/HMD.cpp
+++ b/alvr/server_openvr/cpp/alvr_server/HMD.cpp
@@ -296,6 +296,10 @@ void Hmd::SetViewParams(const FfiViewParams params[2]) {
     );
 }
 
+void Hmd::SetProximityState(bool headsetIsWorn) {
+    vr::VRDriverInput()->UpdateBooleanComponent(m_proximity, headsetIsWorn, 0.0);
+}
+
 void Hmd::GetWindowBounds(int32_t* pnX, int32_t* pnY, uint32_t* pnWidth, uint32_t* pnHeight) {
     Debug(
         "Hmd::GetWindowBounds %dx%d - %dx%d\n",
diff --git a/alvr/server_openvr/cpp/alvr_server/HMD.h b/alvr/server_openvr/cpp/alvr_server/HMD.h
index 91077767bb..661f6a4df3 100644
--- a/alvr/server_openvr/cpp/alvr_server/HMD.h
+++ b/alvr/server_openvr/cpp/alvr_server/HMD.h
@@ -29,6 +29,7 @@ class Hmd : public TrackedDevice, vr::IVRDisplayComponent {
     void StartStreaming();
     void StopStreaming();
     void SetViewParams(const FfiViewParams params[2]);
+    void SetProximityState(bool headsetIsWorn);
 
 private:
     vr::VRInputComponentHandle_t m_proximity;
diff --git a/alvr/server_openvr/cpp/alvr_server/alvr_server.cpp b/alvr/server_openvr/cpp/alvr_server/alvr_server.cpp
index 5ad783168b..2a91897dc0 100644
--- a/alvr/server_openvr/cpp/alvr_server/alvr_server.cpp
+++ b/alvr/server_openvr/cpp/alvr_server/alvr_server.cpp
@@ -512,6 +512,12 @@ void SetButton(unsigned long long buttonID, FfiButtonValue value) {
     }
 }
 
+void SetProximityState(bool headset_is_worn) {
+    if (g_driver_provider.hmd) {
+        g_driver_provider.hmd->SetProximityState(headset_is_worn);
+    }
+}
+
 void SetChaperoneArea(float areaWidth, float areaHeight) {
     _SetChaperoneArea(areaWidth, areaHeight);
 }
diff --git a/alvr/server_openvr/cpp/alvr_server/bindings.h b/alvr/server_openvr/cpp/alvr_server/bindings.h
index 1e9101c8b1..850aaf89f5 100644
--- a/alvr/server_openvr/cpp/alvr_server/bindings.h
+++ b/alvr/server_openvr/cpp/alvr_server/bindings.h
@@ -161,6 +161,7 @@ extern "C" void RegisterButton(void* instancePtr, unsigned long long buttonID);
 extern "C" void SetLocalViewParams(const FfiViewParams params[2]);
 extern "C" void SetBattery(unsigned long long deviceID, float gauge_value, bool is_plugged);
 extern "C" void SetButton(unsigned long long buttonID, FfiButtonValue value);
+extern "C" void SetProximityState(bool headset_is_worn);
 
 extern "C" void InitOpenvrClient();
 extern "C" void ShutdownOpenvrClient();
diff --git a/alvr/server_openvr/src/lib.rs b/alvr/server_openvr/src/lib.rs
index 8c3a926129..c334500358 100644
--- a/alvr/server_openvr/src/lib.rs
+++ b/alvr/server_openvr/src/lib.rs
@@ -293,6 +293,9 @@ fn event_loop(events_receiver: mpsc::Receiver<ServerCoreEvent>) {
 
                     unsafe { ShutdownSteamvr() };
                 }
+                ServerCoreEvent::ProximityState(headset_is_worn) => unsafe {
+                    SetProximityState(headset_is_worn)
+                },
             }
         }