diff --git a/automotive/vehicle/vts/src/VtsHalAutomotiveVehicle_TargetTest.cpp b/automotive/vehicle/vts/src/VtsHalAutomotiveVehicle_TargetTest.cpp
index 0bc1dbb..960c5ac 100644
--- a/automotive/vehicle/vts/src/VtsHalAutomotiveVehicle_TargetTest.cpp
+++ b/automotive/vehicle/vts/src/VtsHalAutomotiveVehicle_TargetTest.cpp
@@ -48,9 +48,11 @@
 using ::aidl::android::hardware::automotive::vehicle::VehiclePropertyAccess;
 using ::aidl::android::hardware::automotive::vehicle::VehiclePropertyChangeMode;
 using ::aidl::android::hardware::automotive::vehicle::VehiclePropertyGroup;
+using ::aidl::android::hardware::automotive::vehicle::VehiclePropertyStatus;
 using ::aidl::android::hardware::automotive::vehicle::VehiclePropertyType;
 using ::aidl::android::hardware::automotive::vehicle::VersionForVehicleProperty;
 using ::android::getAidlHalInstanceNames;
+using ::android::uptimeMillis;
 using ::android::base::ScopedLockAssertion;
 using ::android::base::StringPrintf;
 using ::android::frameworks::automotive::vhal::ErrorCode;
@@ -59,6 +61,7 @@
 using ::android::frameworks::automotive::vhal::IHalPropValue;
 using ::android::frameworks::automotive::vhal::ISubscriptionCallback;
 using ::android::frameworks::automotive::vhal::IVhalClient;
+using ::android::frameworks::automotive::vhal::VhalClientResult;
 using ::android::hardware::getAllHalInstanceNames;
 using ::android::hardware::Sanitize;
 using ::android::hardware::automotive::vehicle::isSystemProp;
@@ -67,6 +70,8 @@
 using ::testing::Ge;
 
 constexpr int32_t kInvalidProp = 0x31600207;
+// The timeout for retrying getting prop value after setting prop value.
+constexpr int64_t kRetryGetPropAfterSetPropTimeoutMillis = 10'000;
 
 struct ServiceDescriptor {
     std::string name;
@@ -124,6 +129,10 @@
   protected:
     bool checkIsSupported(int32_t propertyId);
 
+    static bool isUnavailable(const VhalClientResult<std::unique_ptr<IHalPropValue>>& result);
+    static bool isResultOkayWithValue(
+            const VhalClientResult<std::unique_ptr<IHalPropValue>>& result, int32_t value);
+
   public:
     void verifyProperty(VehicleProperty propId, VehiclePropertyAccess access,
                         VehiclePropertyChangeMode changeMode, VehiclePropertyGroup group,
@@ -269,6 +278,30 @@
             "Expect failure to get property for invalid prop: %" PRId32, kInvalidProp);
 }
 
+bool VtsHalAutomotiveVehicleTargetTest::isResultOkayWithValue(
+        const VhalClientResult<std::unique_ptr<IHalPropValue>>& result, int32_t value) {
+    return result.ok() && result.value() != nullptr &&
+           result.value()->getStatus() == VehiclePropertyStatus::AVAILABLE &&
+           result.value()->getInt32Values().size() == 1 &&
+           result.value()->getInt32Values()[0] == value;
+}
+
+bool VtsHalAutomotiveVehicleTargetTest::isUnavailable(
+        const VhalClientResult<std::unique_ptr<IHalPropValue>>& result) {
+    if (result.ok()) {
+        return false;
+    }
+    if (result.error().code() == ErrorCode::NOT_AVAILABLE_FROM_VHAL) {
+        return true;
+    }
+    if (result.value() != nullptr &&
+        result.value()->getStatus() == VehiclePropertyStatus::UNAVAILABLE) {
+        return true;
+    }
+
+    return false;
+}
+
 // Test set() on read_write properties.
 TEST_P(VtsHalAutomotiveVehicleTargetTest, setProp) {
     ALOGD("VtsHalAutomotiveVehicleTargetTest::setProp");
@@ -296,6 +329,14 @@
             auto propToGet = mVhalClient->createHalPropValue(propId);
             auto getValueResult = mVhalClient->getValueSync(*propToGet);
 
+            if (isUnavailable(getValueResult)) {
+                ALOGW("getProperty for %" PRId32
+                      " returns NOT_AVAILABLE, "
+                      "skip testing setProp",
+                      propId);
+                return;
+            }
+
             ASSERT_TRUE(getValueResult.ok())
                     << StringPrintf("Failed to get value for property: %" PRId32 ", error: %s",
                                     propId, getValueResult.error().message().c_str());
@@ -308,17 +349,48 @@
                     "Expect exactly 1 int value for boolean property: %" PRId32 ", got %zu", propId,
                     intValueSize);
 
-            int setValue = value.getInt32Values()[0] == 1 ? 0 : 1;
+            int32_t setValue = value.getInt32Values()[0] == 1 ? 0 : 1;
             auto propToSet = mVhalClient->createHalPropValue(propId);
             propToSet->setInt32Values({setValue});
             auto setValueResult = mVhalClient->setValueSync(*propToSet);
 
+            if (!setValueResult.ok() &&
+                setValueResult.error().code() == ErrorCode::NOT_AVAILABLE_FROM_VHAL) {
+                ALOGW("setProperty for %" PRId32
+                      " returns NOT_AVAILABLE, "
+                      "skip verifying getProperty returns the same value",
+                      propId);
+                return;
+            }
+
             ASSERT_TRUE(setValueResult.ok())
                     << StringPrintf("Failed to set value for property: %" PRId32 ", error: %s",
                                     propId, setValueResult.error().message().c_str());
+            // Retry getting the value until we pass the timeout. getValue might not return
+            // the expected value immediately since setValue is async.
+            auto timeoutMillis = uptimeMillis() + kRetryGetPropAfterSetPropTimeoutMillis;
 
-            // check set success
-            getValueResult = mVhalClient->getValueSync(*propToGet);
+            while (true) {
+                getValueResult = mVhalClient->getValueSync(*propToGet);
+                if (isResultOkayWithValue(getValueResult, setValue)) {
+                    break;
+                }
+                if (uptimeMillis() >= timeoutMillis) {
+                    // Reach timeout, the following assert should fail.
+                    break;
+                }
+                // Sleep for 100ms between each getValueSync retry.
+                std::this_thread::sleep_for(std::chrono::milliseconds(100));
+            }
+
+            if (isUnavailable(getValueResult)) {
+                ALOGW("getProperty for %" PRId32
+                      " returns NOT_AVAILABLE, "
+                      "skip verifying the return value",
+                      propId);
+                return;
+            }
+
             ASSERT_TRUE(getValueResult.ok())
                     << StringPrintf("Failed to get value for property: %" PRId32 ", error: %s",
                                     propId, getValueResult.error().message().c_str());
diff --git a/bluetooth/finder/aidl/default/service.cpp b/bluetooth/finder/aidl/default/service.cpp
index a117df8..fe8904b 100644
--- a/bluetooth/finder/aidl/default/service.cpp
+++ b/bluetooth/finder/aidl/default/service.cpp
@@ -35,12 +35,16 @@
       ndk::SharedRefBase::make<BluetoothFinder>();
   std::string instance =
       std::string() + BluetoothFinder::descriptor + "/default";
-  auto result =
-      AServiceManager_addService(service->asBinder().get(), instance.c_str());
-  if (result == STATUS_OK) {
-    ABinderProcess_joinThreadPool();
+  if (AServiceManager_isDeclared(instance.c_str())) {
+    auto result =
+        AServiceManager_addService(service->asBinder().get(), instance.c_str());
+    if (result != STATUS_OK) {
+      ALOGE("Could not register as a service!");
+    }
   } else {
-    ALOGE("Could not register as a service!");
+    ALOGE("Could not register as a service because it's not declared.");
   }
+  // Keep running
+  ABinderProcess_joinThreadPool();
   return 0;
 }
diff --git a/bluetooth/lmp_event/aidl/default/src/main.rs b/bluetooth/lmp_event/aidl/default/src/main.rs
index cbdd4d1..dfb097f 100644
--- a/bluetooth/lmp_event/aidl/default/src/main.rs
+++ b/bluetooth/lmp_event/aidl/default/src/main.rs
@@ -41,10 +41,11 @@
     let lmp_event_service = lmp_event::LmpEvent::new();
     let lmp_event_service_binder = BnBluetoothLmpEvent::new_binder(lmp_event_service, BinderFeatures::default());
 
-    binder::add_service(
-        &format!("{}/default", lmp_event::LmpEvent::get_descriptor()),
-        lmp_event_service_binder.as_binder(),
-    ).expect("Failed to register service");
-
+    let descriptor = format!("{}/default", lmp_event::LmpEvent::get_descriptor());
+    if binder::is_declared(&descriptor).expect("Failed to check if declared") {
+        binder::add_service(&descriptor, lmp_event_service_binder.as_binder()).expect("Failed to register service");
+    } else {
+        info!("{LOG_TAG}: Failed to register service. Not declared.");
+    }
     binder::ProcessState::join_thread_pool()
 }
diff --git a/bluetooth/ranging/aidl/default/service.cpp b/bluetooth/ranging/aidl/default/service.cpp
index 83e539e..35a3f55 100644
--- a/bluetooth/ranging/aidl/default/service.cpp
+++ b/bluetooth/ranging/aidl/default/service.cpp
@@ -37,12 +37,16 @@
       ndk::SharedRefBase::make<BluetoothChannelSounding>();
   std::string instance =
       std::string() + BluetoothChannelSounding::descriptor + "/default";
-  auto result =
-      AServiceManager_addService(service->asBinder().get(), instance.c_str());
-  if (result == STATUS_OK) {
-    ABinderProcess_joinThreadPool();
+  if (AServiceManager_isDeclared(instance.c_str())) {
+    auto result =
+        AServiceManager_addService(service->asBinder().get(), instance.c_str());
+    if (result != STATUS_OK) {
+      ALOGE("Could not register as a service!");
+    }
   } else {
-    ALOGE("Could not register as a service!");
+    ALOGE("Could not register as a service because it's not declared.");
   }
+  // Keep running
+  ABinderProcess_joinThreadPool();
   return 0;
 }
diff --git a/health/aidl/default/Health.cpp b/health/aidl/default/Health.cpp
index 8174bc8..37662ea 100644
--- a/health/aidl/default/Health.cpp
+++ b/health/aidl/default/Health.cpp
@@ -36,6 +36,11 @@
     LinkedCallback* linked = reinterpret_cast<LinkedCallback*>(cookie);
     linked->OnCallbackDied();
 }
+// Delete the owned cookie.
+void onCallbackUnlinked(void* cookie) {
+    LinkedCallback* linked = reinterpret_cast<LinkedCallback*>(cookie);
+    delete linked;
+}
 }  // namespace
 
 /*
@@ -57,6 +62,7 @@
     : instance_name_(instance_name),
       healthd_config_(std::move(config)),
       death_recipient_(AIBinder_DeathRecipient_new(&OnCallbackDiedWrapped)) {
+    AIBinder_DeathRecipient_setOnUnlinked(death_recipient_.get(), onCallbackUnlinked);
     battery_monitor_.init(healthd_config_.get());
 }
 
@@ -286,7 +292,7 @@
         if (!linked_callback_result.ok()) {
             return ndk::ScopedAStatus::fromStatus(-linked_callback_result.error().code());
         }
-        callbacks_.emplace_back(std::move(*linked_callback_result));
+        callbacks_[*linked_callback_result] = callback;
         // unlock
     }
 
@@ -314,12 +320,24 @@
 
     std::lock_guard<decltype(callbacks_lock_)> lock(callbacks_lock_);
 
-    auto matches = [callback](const auto& linked) {
-        return linked->callback()->asBinder() == callback->asBinder();  // compares binder object
+    auto matches = [callback](const auto& cb) {
+        return cb->asBinder() == callback->asBinder();  // compares binder object
     };
-    auto it = std::remove_if(callbacks_.begin(), callbacks_.end(), matches);
-    bool removed = (it != callbacks_.end());
-    callbacks_.erase(it, callbacks_.end());  // calls unlinkToDeath on deleted callbacks.
+    bool removed = false;
+    for (auto it = callbacks_.begin(); it != callbacks_.end();) {
+        if (it->second->asBinder() == callback->asBinder()) {
+            auto status = AIBinder_unlinkToDeath(callback->asBinder().get(), death_recipient_.get(),
+                                                 reinterpret_cast<void*>(it->first));
+            if (status != STATUS_OK && status != STATUS_DEAD_OBJECT) {
+                LOG(WARNING) << __func__
+                             << "Cannot unlink to death: " << ::android::statusToString(status);
+            }
+            it = callbacks_.erase(it);
+            removed = true;
+        } else {
+            it++;
+        }
+    }
     return removed ? ndk::ScopedAStatus::ok()
                    : ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT);
 }
@@ -347,8 +365,8 @@
 void Health::OnHealthInfoChanged(const HealthInfo& health_info) {
     // Notify all callbacks
     std::unique_lock<decltype(callbacks_lock_)> lock(callbacks_lock_);
-    for (const auto& linked : callbacks_) {
-        auto res = linked->callback()->healthInfoChanged(health_info);
+    for (const auto& [_, callback] : callbacks_) {
+        auto res = callback->healthInfoChanged(health_info);
         if (!res.isOk()) {
             LOG(DEBUG) << "Cannot call healthInfoChanged:" << res.getDescription()
                        << ". Do nothing here if callback is dead as it will be cleaned up later.";
diff --git a/health/aidl/default/LinkedCallback.cpp b/health/aidl/default/LinkedCallback.cpp
index 26e99f9..df471a3 100644
--- a/health/aidl/default/LinkedCallback.cpp
+++ b/health/aidl/default/LinkedCallback.cpp
@@ -24,35 +24,24 @@
 
 namespace aidl::android::hardware::health {
 
-::android::base::Result<std::unique_ptr<LinkedCallback>> LinkedCallback::Make(
+::android::base::Result<LinkedCallback*> LinkedCallback::Make(
         std::shared_ptr<Health> service, std::shared_ptr<IHealthInfoCallback> callback) {
-    std::unique_ptr<LinkedCallback> ret(new LinkedCallback());
+    LinkedCallback* ret(new LinkedCallback());
+    // pass ownership of this object to the death recipient
     binder_status_t linkRet =
             AIBinder_linkToDeath(callback->asBinder().get(), service->death_recipient_.get(),
-                                 reinterpret_cast<void*>(ret.get()));
+                                 reinterpret_cast<void*>(ret));
     if (linkRet != ::STATUS_OK) {
         LOG(WARNING) << __func__ << "Cannot link to death: " << linkRet;
         return ::android::base::Error(-linkRet);
     }
     ret->service_ = service;
-    ret->callback_ = std::move(callback);
+    ret->callback_ = callback;
     return ret;
 }
 
 LinkedCallback::LinkedCallback() = default;
 
-LinkedCallback::~LinkedCallback() {
-    if (callback_ == nullptr) {
-        return;
-    }
-    auto status =
-            AIBinder_unlinkToDeath(callback_->asBinder().get(), service()->death_recipient_.get(),
-                                   reinterpret_cast<void*>(this));
-    if (status != STATUS_OK && status != STATUS_DEAD_OBJECT) {
-        LOG(WARNING) << __func__ << "Cannot unlink to death: " << ::android::statusToString(status);
-    }
-}
-
 std::shared_ptr<Health> LinkedCallback::service() {
     auto service_sp = service_.lock();
     CHECK_NE(nullptr, service_sp);
@@ -60,7 +49,10 @@
 }
 
 void LinkedCallback::OnCallbackDied() {
-    service()->unregisterCallback(callback_);
+    auto sCb = callback_.lock();
+    if (sCb) {
+        service()->unregisterCallback(sCb);
+    }
 }
 
 }  // namespace aidl::android::hardware::health
diff --git a/health/aidl/default/LinkedCallback.h b/health/aidl/default/LinkedCallback.h
index da494c9..8c9c997 100644
--- a/health/aidl/default/LinkedCallback.h
+++ b/health/aidl/default/LinkedCallback.h
@@ -32,19 +32,10 @@
 class LinkedCallback {
   public:
     // Automatically linkToDeath upon construction with the returned object as the cookie.
-    // service->death_reciepient() should be from CreateDeathRecipient().
-    // Not using a strong reference to |service| to avoid circular reference. The lifetime
-    // of |service| must be longer than this LinkedCallback object.
-    static ::android::base::Result<std::unique_ptr<LinkedCallback>> Make(
+    // The deathRecipient owns the LinkedCallback object and will delete it with
+    // cookie when it's unlinked.
+    static ::android::base::Result<LinkedCallback*> Make(
             std::shared_ptr<Health> service, std::shared_ptr<IHealthInfoCallback> callback);
-
-    // Automatically unlinkToDeath upon destruction. So, it is always safe to reinterpret_cast
-    // the cookie back to the LinkedCallback object.
-    ~LinkedCallback();
-
-    // The wrapped IHealthInfoCallback object.
-    const std::shared_ptr<IHealthInfoCallback>& callback() const { return callback_; }
-
     // On callback died, unreigster it from the service.
     void OnCallbackDied();
 
@@ -55,7 +46,7 @@
     std::shared_ptr<Health> service();
 
     std::weak_ptr<Health> service_;
-    std::shared_ptr<IHealthInfoCallback> callback_;
+    std::weak_ptr<IHealthInfoCallback> callback_;
 };
 
 }  // namespace aidl::android::hardware::health
diff --git a/health/aidl/default/include/health-impl/Health.h b/health/aidl/default/include/health-impl/Health.h
index dc3a0ef..429ae2a 100644
--- a/health/aidl/default/include/health-impl/Health.h
+++ b/health/aidl/default/include/health-impl/Health.h
@@ -16,6 +16,7 @@
 
 #pragma once
 
+#include <map>
 #include <memory>
 #include <optional>
 
@@ -112,7 +113,7 @@
     ndk::ScopedAIBinder_DeathRecipient death_recipient_;
     int binder_fd_ = -1;
     std::mutex callbacks_lock_;
-    std::vector<std::unique_ptr<LinkedCallback>> callbacks_;
+    std::map<LinkedCallback*, std::shared_ptr<IHealthInfoCallback>> callbacks_;
 };
 
 }  // namespace aidl::android::hardware::health
diff --git a/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/RtpReceptionStats.aidl b/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/RtpReceptionStats.aidl
index 82b798b..216da4c 100644
--- a/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/RtpReceptionStats.aidl
+++ b/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/RtpReceptionStats.aidl
@@ -35,8 +35,8 @@
 @VintfStability
 parcelable RtpReceptionStats {
   int rtpTimestamp;
-  int rtpSequenceNumber;
-  int timeDurationMs;
+  int rtcpSrTimestamp;
+  long rtcpSrNtpTimestamp;
   int jitterBufferMs;
   int roundTripTimeMs;
 }
diff --git a/radio/aidl/android/hardware/radio/ims/media/IImsMediaSession.aidl b/radio/aidl/android/hardware/radio/ims/media/IImsMediaSession.aidl
index 0fe6740..69ca780 100644
--- a/radio/aidl/android/hardware/radio/ims/media/IImsMediaSession.aidl
+++ b/radio/aidl/android/hardware/radio/ims/media/IImsMediaSession.aidl
@@ -110,8 +110,7 @@
      * Adjust the delay in the jitter buffer to synchronize the audio with the time of video
      * frames
      *
-     * @param delayMs The delay to apply to the jitter buffer. If it is positive, the jitter
-     * buffer increases the delay, if it is negative, the jitter buffer decreases the delay.
+     * @param delayMs The additional delay to the jitter buffer in milliseconds.
      *
      * This is available when android.hardware.telephony.ims is defined.
      */
diff --git a/radio/aidl/android/hardware/radio/ims/media/RtpReceptionStats.aidl b/radio/aidl/android/hardware/radio/ims/media/RtpReceptionStats.aidl
index 1239d13..81c0bb2 100644
--- a/radio/aidl/android/hardware/radio/ims/media/RtpReceptionStats.aidl
+++ b/radio/aidl/android/hardware/radio/ims/media/RtpReceptionStats.aidl
@@ -20,12 +20,19 @@
 parcelable RtpReceptionStats {
     /** The timestamp of the latest RTP packet received */
     int rtpTimestamp;
-    /** The sequence number of latest RTP packet received */
-    int rtpSequenceNumber;
-    /** The system clock time in millisecond of latest RTP packet received */
-    int timeDurationMs;
-    /** The jitter buffer size in millisecond when latest RTP packet received */
+
+    /** The timestamp of the latest RTCP-SR packet received */
+    int rtcpSrTimestamp;
+
+    /** The NTP timestamp of latest RTCP-SR packet received */
+    long rtcpSrNtpTimestamp;
+
+    /**
+     * The mean jitter buffer delay of a media stream from received to playback, measured in
+     *  milliseconds, within the reporting interval
+     */
     int jitterBufferMs;
+
     /** The round trip time delay in millisecond when latest RTP packet received */
     int roundTripTimeMs;
 }
diff --git a/tv/tuner/aidl/vts/functional/VtsHalTvTunerTestConfigurations.h b/tv/tuner/aidl/vts/functional/VtsHalTvTunerTestConfigurations.h
index 5c13ed0..ff94639 100644
--- a/tv/tuner/aidl/vts/functional/VtsHalTvTunerTestConfigurations.h
+++ b/tv/tuner/aidl/vts/functional/VtsHalTvTunerTestConfigurations.h
@@ -731,9 +731,20 @@
     if (videoFilterIds.empty() || audioFilterIds.empty() || frontendMap.empty()) {
         return;
     }
-    if (hasSwFe && !hasHwFe && dvrMap.empty()) {
-        ALOGD("Cannot configure Live. Only software frontends and no dvr connections");
-        return;
+    if (!hasHwFe) {
+        if (hasSwFe) {
+            if (dvrMap.empty()) {
+                ALOGD("Cannot configure Live. Only software frontends and no dvr connections.");
+                return;
+            }
+            // Live is available if there is SW FE and some DVR is attached.
+        } else {
+            // We will arrive here because frontendMap won't be empty since
+            // there will be at least a default frontend declared. But the
+            // default frontend doesn't count as "hasSwFe".
+            ALOGD("Cannot configure Live. No frontend declared at all.");
+            return;
+        }
     }
     ALOGD("Can support live");
     live.hasFrontendConnection = true;