diff --git a/hal/src/main/native/athena/mockdata/DriverStationData.cpp b/hal/src/main/native/athena/mockdata/DriverStationData.cpp
index a65d303f29..12373963d8 100644
--- a/hal/src/main/native/athena/mockdata/DriverStationData.cpp
+++ b/hal/src/main/native/athena/mockdata/DriverStationData.cpp
@@ -71,6 +71,14 @@ void HALSIM_GetMatchInfo(HAL_MatchInfo* info) {}
 
 void HALSIM_SetMatchInfo(const HAL_MatchInfo* info) {}
 
+int32_t HALSIM_RegisterDriverStationNewDataCallback(HAL_NotifyCallback callback,
+                                                    void* param,
+                                                    HAL_Bool initialNotify) {
+  return 0;
+}
+
+void HALSIM_CancelDriverStationNewDataCallback(int32_t uid) {}
+
 void HALSIM_NotifyDriverStationNewData(void) {}
 
 void HALSIM_SetJoystickButton(int32_t stick, int32_t button, HAL_Bool state) {}
diff --git a/hal/src/main/native/include/hal/simulation/DriverStationData.h b/hal/src/main/native/include/hal/simulation/DriverStationData.h
index f22a7acaf3..3315e0f4ed 100644
--- a/hal/src/main/native/include/hal/simulation/DriverStationData.h
+++ b/hal/src/main/native/include/hal/simulation/DriverStationData.h
@@ -159,6 +159,10 @@ void HALSIM_RegisterDriverStationAllCallbacks(HAL_NotifyCallback callback,
                                               void* param,
                                               HAL_Bool initialNotify);
 
+int32_t HALSIM_RegisterDriverStationNewDataCallback(HAL_NotifyCallback callback,
+                                                    void* param,
+                                                    HAL_Bool initialNotify);
+void HALSIM_CancelDriverStationNewDataCallback(int32_t uid);
 void HALSIM_NotifyDriverStationNewData(void);
 
 #ifdef __cplusplus
diff --git a/hal/src/main/native/sim/DriverStation.cpp b/hal/src/main/native/sim/DriverStation.cpp
index f5c868cc14..d65f43b94f 100644
--- a/hal/src/main/native/sim/DriverStation.cpp
+++ b/hal/src/main/native/sim/DriverStation.cpp
@@ -274,6 +274,7 @@ static int32_t newDataOccur(uint32_t refNum) {
   // Since we could get other values, require our specific handle
   // to signal our threads
   if (refNum != refNumber) return 0;
+  SimDriverStationData->CallNewDataCallbacks();
   std::scoped_lock lock(newDSDataAvailableMutex);
   // Nofify all threads
   newDSDataAvailableCounter++;
diff --git a/hal/src/main/native/sim/mockdata/DriverStationData.cpp b/hal/src/main/native/sim/mockdata/DriverStationData.cpp
index 645fabbdcb..1c7a436758 100644
--- a/hal/src/main/native/sim/mockdata/DriverStationData.cpp
+++ b/hal/src/main/native/sim/mockdata/DriverStationData.cpp
@@ -58,6 +58,7 @@ void DriverStationData::ResetData() {
     m_matchInfoCallbacks.Reset();
     m_matchInfo = HAL_MatchInfo{};
   }
+  m_newDataCallbacks.Reset();
 }
 
 #define DEFINE_CPPAPI_CALLBACKS(name, data, data2)                             \
@@ -186,6 +187,28 @@ void DriverStationData::SetMatchInfo(const HAL_MatchInfo* info) {
   m_matchInfoCallbacks(info);
 }
 
+int32_t DriverStationData::RegisterNewDataCallback(HAL_NotifyCallback callback,
+                                                   void* param,
+                                                   HAL_Bool initialNotify) {
+  int32_t uid = m_newDataCallbacks.Register(callback, param);
+  if (initialNotify) {
+    HAL_Value empty;
+    empty.type = HAL_UNASSIGNED;
+    callback(GetNewDataName(), param, &empty);
+  }
+  return uid;
+}
+
+void DriverStationData::CancelNewDataCallback(int32_t uid) {
+  m_newDataCallbacks.Cancel(uid);
+}
+
+void DriverStationData::CallNewDataCallbacks() {
+  HAL_Value empty;
+  empty.type = HAL_UNASSIGNED;
+  m_newDataCallbacks(&empty);
+}
+
 void DriverStationData::NotifyNewData() { HAL_ReleaseDSMutex(); }
 
 void DriverStationData::SetJoystickButton(int32_t stick, int32_t button,
@@ -401,6 +424,17 @@ void HALSIM_SetMatchInfo(const HAL_MatchInfo* info) {
   SimDriverStationData->SetMatchInfo(info);
 }
 
+int32_t HALSIM_RegisterDriverStationNewDataCallback(HAL_NotifyCallback callback,
+                                                    void* param,
+                                                    HAL_Bool initialNotify) {
+  return SimDriverStationData->RegisterNewDataCallback(callback, param,
+                                                       initialNotify);
+}
+
+void HALSIM_CancelDriverStationNewDataCallback(int32_t uid) {
+  SimDriverStationData->CancelNewDataCallback(uid);
+}
+
 void HALSIM_NotifyDriverStationNewData(void) {
   SimDriverStationData->NotifyNewData();
 }
diff --git a/hal/src/main/native/sim/mockdata/DriverStationDataInternal.h b/hal/src/main/native/sim/mockdata/DriverStationDataInternal.h
index db1eb2f821..71ea9cc436 100644
--- a/hal/src/main/native/sim/mockdata/DriverStationDataInternal.h
+++ b/hal/src/main/native/sim/mockdata/DriverStationDataInternal.h
@@ -32,6 +32,7 @@ class DriverStationData {
   HAL_SIMCALLBACKREGISTRY_DEFINE_NAME(JoystickDescriptor)
   HAL_SIMCALLBACKREGISTRY_DEFINE_NAME(JoystickOutputs)
   HAL_SIMCALLBACKREGISTRY_DEFINE_NAME(MatchInfo)
+  HAL_SIMCALLBACKREGISTRY_DEFINE_NAME(NewData)
 
   static LLVM_ATTRIBUTE_ALWAYS_INLINE HAL_Value
   MakeAllianceStationIdValue(HAL_AllianceStationID value) {
@@ -90,6 +91,11 @@ class DriverStationData {
 
   void FreeMatchInfo(const HAL_MatchInfo* info);
 
+  int32_t RegisterNewDataCallback(HAL_NotifyCallback callback, void* param,
+                                  HAL_Bool initialNotify);
+  void CancelNewDataCallback(int32_t uid);
+  void CallNewDataCallbacks();
+
   void NotifyNewData();
 
   void SetJoystickButton(int32_t stick, int32_t button, HAL_Bool state);
@@ -136,6 +142,7 @@ class DriverStationData {
       m_joystickDescriptorCallbacks;
   SimCallbackRegistry<HAL_MatchInfoCallback, GetMatchInfoName>
       m_matchInfoCallbacks;
+  SimCallbackRegistry<HAL_NotifyCallback, GetNewDataName> m_newDataCallbacks;
 
   struct JoystickOutputStore {
     int64_t outputs = 0;