diff --git a/cmds/dumpstate/dumpstate.cpp b/cmds/dumpstate/dumpstate.cpp
index 6dea91b..4f1020c 100644
--- a/cmds/dumpstate/dumpstate.cpp
+++ b/cmds/dumpstate/dumpstate.cpp
@@ -183,6 +183,7 @@
 #define PACKAGE_DEX_USE_LIST "/data/system/package-dex-usage.list"
 #define SYSTEM_TRACE_SNAPSHOT "/data/misc/perfetto-traces/bugreport/systrace.pftrace"
 #define CGROUPFS_DIR "/sys/fs/cgroup"
+#define SDK_EXT_INFO "/apex/com.android.sdkext/bin/derive_sdk"
 
 // TODO(narayan): Since this information has to be kept in sync
 // with tombstoned, we should just put it in a common header.
@@ -765,7 +766,7 @@
 }
 
 void Dumpstate::PrintHeader() const {
-    std::string build, fingerprint, radio, bootloader, network;
+    std::string build, fingerprint, radio, bootloader, network, sdkversion;
     char date[80];
 
     build = android::base::GetProperty("ro.build.display.id", "(unknown)");
@@ -773,6 +774,7 @@
     radio = android::base::GetProperty("gsm.version.baseband", "(unknown)");
     bootloader = android::base::GetProperty("ro.bootloader", "(unknown)");
     network = android::base::GetProperty("gsm.operator.alpha", "(unknown)");
+    sdkversion = android::base::GetProperty("ro.build.version.sdk", "(unknown)");
     strftime(date, sizeof(date), "%Y-%m-%d %H:%M:%S", localtime(&now_));
 
     printf("========================================================\n");
@@ -790,9 +792,10 @@
     if (module_metadata_version != 0) {
         printf("Module Metadata version: %" PRId64 "\n", module_metadata_version);
     }
-    printf("SDK extension versions [r=%s s=%s]\n",
-           android::base::GetProperty("build.version.extensions.r", "-").c_str(),
-           android::base::GetProperty("build.version.extensions.s", "-").c_str());
+    printf("Android SDK version: %s\n", sdkversion.c_str());
+    printf("SDK extensions: ");
+    RunCommandToFd(STDOUT_FILENO, "", {SDK_EXT_INFO, "--header"},
+                   CommandOptions::WithTimeout(1).Always().DropRoot().Build());
 
     printf("Kernel: ");
     DumpFileToFd(STDOUT_FILENO, "", "/proc/version");
@@ -1859,6 +1862,9 @@
     DumpFile("PSI memory", "/proc/pressure/memory");
     DumpFile("PSI io", "/proc/pressure/io");
 
+    RunCommand("SDK EXTENSIONS", {SDK_EXT_INFO, "--dump"},
+               CommandOptions::WithTimeout(10).Always().DropRoot().Build());
+
     if (dump_pool_) {
         RETURN_IF_USER_DENIED_CONSENT();
         WaitForTask(std::move(dump_traces));
diff --git a/cmds/servicemanager/ServiceManager.cpp b/cmds/servicemanager/ServiceManager.cpp
index 0727383..a99ccae 100644
--- a/cmds/servicemanager/ServiceManager.cpp
+++ b/cmds/servicemanager/ServiceManager.cpp
@@ -326,16 +326,41 @@
         return Status::fromExceptionCode(Status::EX_ILLEGAL_STATE, "linkToDeath failure");
     }
 
+    auto it = mNameToService.find(name);
+    if (it != mNameToService.end()) {
+        const Service& existing = it->second;
+
+        // We could do better than this because if the other service dies, it
+        // may not have an entry here. However, this case is unlikely. We are
+        // only trying to detect when two different services are accidentally installed.
+
+        if (existing.ctx.uid != ctx.uid) {
+            LOG(WARNING) << "Service '" << name << "' originally registered from UID "
+                         << existing.ctx.uid << " but it is now being registered from UID "
+                         << ctx.uid << ". Multiple instances installed?";
+        }
+
+        if (existing.ctx.sid != ctx.sid) {
+            LOG(WARNING) << "Service '" << name << "' originally registered from SID "
+                         << existing.ctx.sid << " but it is now being registered from SID "
+                         << ctx.sid << ". Multiple instances installed?";
+        }
+
+        LOG(INFO) << "Service '" << name << "' originally registered from PID "
+                  << existing.ctx.debugPid << " but it is being registered again from PID "
+                  << ctx.debugPid
+                  << ". Bad state? Late death notification? Multiple instances installed?";
+    }
+
     // Overwrite the old service if it exists
-    mNameToService[name] = Service {
-        .binder = binder,
-        .allowIsolated = allowIsolated,
-        .dumpPriority = dumpPriority,
-        .debugPid = ctx.debugPid,
+    mNameToService[name] = Service{
+            .binder = binder,
+            .allowIsolated = allowIsolated,
+            .dumpPriority = dumpPriority,
+            .ctx = ctx,
     };
 
-    auto it = mNameToRegistrationCallback.find(name);
-    if (it != mNameToRegistrationCallback.end()) {
+    if (auto it = mNameToRegistrationCallback.find(name); it != mNameToRegistrationCallback.end()) {
         for (const sp<IServiceCallback>& cb : it->second) {
             mNameToService[name].guaranteeClient = true;
             // permission checked in registerForNotifications
@@ -571,7 +596,7 @@
         return Status::fromExceptionCode(Status::EX_ILLEGAL_ARGUMENT);
     }
 
-    if (serviceIt->second.debugPid != IPCThreadState::self()->getCallingPid()) {
+    if (serviceIt->second.ctx.debugPid != IPCThreadState::self()->getCallingPid()) {
         LOG(WARNING) << "Only a server can register for client callbacks (for " << name << ")";
         return Status::fromExceptionCode(Status::EX_UNSUPPORTED_OPERATION);
     }
@@ -707,7 +732,7 @@
         return Status::fromExceptionCode(Status::EX_ILLEGAL_STATE);
     }
 
-    if (serviceIt->second.debugPid != IPCThreadState::self()->getCallingPid()) {
+    if (serviceIt->second.ctx.debugPid != IPCThreadState::self()->getCallingPid()) {
         LOG(WARNING) << "Only a server can unregister itself (for " << name << ")";
         return Status::fromExceptionCode(Status::EX_UNSUPPORTED_OPERATION);
     }
@@ -754,7 +779,7 @@
     for (auto const& [name, service] : mNameToService) {
         ServiceDebugInfo info;
         info.name = name;
-        info.debugPid = service.debugPid;
+        info.debugPid = service.ctx.debugPid;
 
         outReturn->push_back(std::move(info));
     }
diff --git a/cmds/servicemanager/ServiceManager.h b/cmds/servicemanager/ServiceManager.h
index c6db697..07b79f8 100644
--- a/cmds/servicemanager/ServiceManager.h
+++ b/cmds/servicemanager/ServiceManager.h
@@ -74,7 +74,7 @@
         int32_t dumpPriority;
         bool hasClients = false; // notifications sent on true -> false.
         bool guaranteeClient = false; // forces the client check to true
-        pid_t debugPid = 0; // the process in which this service runs
+        Access::CallingContext ctx;   // process that originally registers this
 
         // the number of clients of the service, including servicemanager itself
         ssize_t getNodeStrongRefCount();
diff --git a/libs/binder/ndk/Android.bp b/libs/binder/ndk/Android.bp
index 33d28e6..8ae7537 100644
--- a/libs/binder/ndk/Android.bp
+++ b/libs/binder/ndk/Android.bp
@@ -182,4 +182,8 @@
     name: "libbinder_ndk",
     symbol_file: "libbinder_ndk.map.txt",
     first_version: "29",
+    export_header_libs: [
+        "libbinder_ndk_headers",
+        "libbinder_ndk_helper_headers",
+    ],
 }
diff --git a/libs/nativewindow/Android.bp b/libs/nativewindow/Android.bp
index dd07319..d7db6bd 100644
--- a/libs/nativewindow/Android.bp
+++ b/libs/nativewindow/Android.bp
@@ -61,6 +61,9 @@
 
     // Android O
     first_version: "26",
+    export_header_libs: [
+        "libnativewindow_ndk_headers",
+    ],
 }
 
 cc_library {
diff --git a/opengl/libs/Android.bp b/opengl/libs/Android.bp
index 2237d2d..62cf255 100644
--- a/opengl/libs/Android.bp
+++ b/opengl/libs/Android.bp
@@ -12,7 +12,10 @@
     name: "libETC1",
     srcs: ["ETC1/etc1.cpp"],
     host_supported: true,
-    cflags: ["-Wall", "-Werror"],
+    cflags: [
+        "-Wall",
+        "-Werror",
+    ],
 
     target: {
         android: {
@@ -37,6 +40,9 @@
     symbol_file: "libEGL.map.txt",
     first_version: "9",
     unversioned_until: "current",
+    export_header_libs: [
+        "libEGL_headers",
+    ],
 }
 
 ndk_library {
@@ -44,6 +50,9 @@
     symbol_file: "libGLESv1_CM.map.txt",
     first_version: "9",
     unversioned_until: "current",
+    export_header_libs: [
+        "libGLESv1_CM_headers",
+    ],
 }
 
 ndk_library {
@@ -51,6 +60,9 @@
     symbol_file: "libGLESv2.map.txt",
     first_version: "9",
     unversioned_until: "current",
+    export_header_libs: [
+        "libGLESv2_headers",
+    ],
 }
 
 ndk_library {
@@ -58,6 +70,9 @@
     symbol_file: "libGLESv3.map.txt",
     first_version: "18",
     unversioned_until: "current",
+    export_header_libs: [
+        "libGLESv3_headers",
+    ],
 }
 
 cc_defaults {
diff --git a/vulkan/libvulkan/Android.bp b/vulkan/libvulkan/Android.bp
index 5719b5c..a87f82f 100644
--- a/vulkan/libvulkan/Android.bp
+++ b/vulkan/libvulkan/Android.bp
@@ -27,6 +27,9 @@
     symbol_file: "libvulkan.map.txt",
     first_version: "24",
     unversioned_until: "current",
+    export_header_libs: [
+        "ndk_vulkan_headers",
+    ],
 }
 
 cc_library_shared {