diff --git a/fastboot/fastboot.cpp b/fastboot/fastboot.cpp
index 25df451..39abc4a 100644
--- a/fastboot/fastboot.cpp
+++ b/fastboot/fastboot.cpp
@@ -1175,6 +1175,10 @@
     if (!is_userspace_fastboot()) {
         die("Failed to boot into userspace fastboot; one or more components might be unbootable.");
     }
+
+    // Reset target_sparse_limit after reboot to userspace fastboot. Max
+    // download sizes may differ in bootloader and fastbootd.
+    target_sparse_limit = -1;
 }
 
 class ImageSource {
diff --git a/libbacktrace/Android.bp b/libbacktrace/Android.bp
index 7f9a18a..e171155 100644
--- a/libbacktrace/Android.bp
+++ b/libbacktrace/Android.bp
@@ -42,6 +42,7 @@
     name: "libbacktrace_headers",
     vendor_available: true,
     recovery_available: true,
+    native_bridge_supported: true,
     export_include_dirs: ["include"],
 }
 
diff --git a/libcutils/Android.bp b/libcutils/Android.bp
index 619bc56..319a73a 100644
--- a/libcutils/Android.bp
+++ b/libcutils/Android.bp
@@ -34,6 +34,7 @@
     vendor_available: true,
     recovery_available: true,
     host_supported: true,
+    native_bridge_supported: true,
     export_include_dirs: ["include"],
     target: {
         vendor: {
@@ -57,6 +58,7 @@
     },
     recovery_available: true,
     host_supported: true,
+    native_bridge_supported: true,
     srcs: [
         "config_utils.cpp",
         "canned_fs_config.cpp",
diff --git a/libnativeloader/native_loader_namespace.cpp b/libnativeloader/native_loader_namespace.cpp
index 90f730c..58ac686 100644
--- a/libnativeloader/native_loader_namespace.cpp
+++ b/libnativeloader/native_loader_namespace.cpp
@@ -115,15 +115,14 @@
   }
 }
 
-void* NativeLoaderNamespace::Load(const std::string& lib_name) const {
+void* NativeLoaderNamespace::Load(const char* lib_name) const {
   if (!IsBridged()) {
     android_dlextinfo extinfo;
     extinfo.flags = ANDROID_DLEXT_USE_NAMESPACE;
     extinfo.library_namespace = this->ToRawAndroidNamespace();
-    return android_dlopen_ext(lib_name.c_str(), RTLD_NOW, &extinfo);
+    return android_dlopen_ext(lib_name, RTLD_NOW, &extinfo);
   } else {
-    return NativeBridgeLoadLibraryExt(lib_name.c_str(), RTLD_NOW,
-                                      this->ToRawNativeBridgeNamespace());
+    return NativeBridgeLoadLibraryExt(lib_name, RTLD_NOW, this->ToRawNativeBridgeNamespace());
   }
 }
 
diff --git a/libnativeloader/native_loader_namespace.h b/libnativeloader/native_loader_namespace.h
index 1575f8c..71e4247 100644
--- a/libnativeloader/native_loader_namespace.h
+++ b/libnativeloader/native_loader_namespace.h
@@ -52,7 +52,7 @@
   }
 
   bool Link(const NativeLoaderNamespace& target, const std::string& shared_libs) const;
-  void* Load(const std::string& lib_name) const;
+  void* Load(const char* lib_name) const;
   char* GetError() const;
 
   static NativeLoaderNamespace GetExportedNamespace(const std::string& name, bool is_bridged);
diff --git a/libprocessgroup/Android.bp b/libprocessgroup/Android.bp
index 0207a75..52a297c 100644
--- a/libprocessgroup/Android.bp
+++ b/libprocessgroup/Android.bp
@@ -3,6 +3,7 @@
     vendor_available: true,
     recovery_available: true,
     host_supported: true,
+    native_bridge_supported: true,
     export_include_dirs: ["include"],
     target: {
         linux_bionic: {
@@ -25,6 +26,7 @@
     host_supported: true,
     recovery_available: true,
     vendor_available: true,
+    native_bridge_supported: true,
     vndk: {
         enabled: true,
         support_system_process: true,
diff --git a/libprocessgroup/cgrouprc/Android.bp b/libprocessgroup/cgrouprc/Android.bp
index 6848620..24652fb 100644
--- a/libprocessgroup/cgrouprc/Android.bp
+++ b/libprocessgroup/cgrouprc/Android.bp
@@ -21,6 +21,7 @@
     // modules should use libprocessgroup which links to the LL-NDK library
     // defined below. The static library is built for tests.
     vendor_available: false,
+    native_bridge_supported: true,
     srcs: [
         "cgroup_controller.cpp",
         "cgroup_file.cpp",
@@ -55,6 +56,7 @@
 llndk_library {
     name: "libcgrouprc",
     symbol_file: "libcgrouprc.map.txt",
+    native_bridge_supported: true,
     export_include_dirs: [
         "include",
     ],
diff --git a/libprocessgroup/cgrouprc_format/Android.bp b/libprocessgroup/cgrouprc_format/Android.bp
index dfbeed7..559a869 100644
--- a/libprocessgroup/cgrouprc_format/Android.bp
+++ b/libprocessgroup/cgrouprc_format/Android.bp
@@ -16,6 +16,7 @@
     name: "libcgrouprc_format",
     host_supported: true,
     recovery_available: true,
+    native_bridge_supported: true,
     srcs: [
         "cgroup_controller.cpp",
     ],
diff --git a/libsystem/Android.bp b/libsystem/Android.bp
index 2e22b43..b265b61 100644
--- a/libsystem/Android.bp
+++ b/libsystem/Android.bp
@@ -3,6 +3,7 @@
     vendor_available: true,
     recovery_available: true,
     host_supported: true,
+    native_bridge_supported: true,
     export_include_dirs: ["include"],
 
     target: {
diff --git a/libutils/Android.bp b/libutils/Android.bp
index 4f194c7..8be4dd0 100644
--- a/libutils/Android.bp
+++ b/libutils/Android.bp
@@ -17,6 +17,7 @@
     vendor_available: true,
     recovery_available: true,
     host_supported: true,
+    native_bridge_supported: true,
 
     header_libs: [
         "liblog_headers",
@@ -121,6 +122,7 @@
 cc_library {
     name: "libutils",
     defaults: ["libutils_defaults"],
+    native_bridge_supported: true,
 
     srcs: [
         "FileMap.cpp",
diff --git a/libvndksupport/Android.bp b/libvndksupport/Android.bp
index 546c15c..e5b536c 100644
--- a/libvndksupport/Android.bp
+++ b/libvndksupport/Android.bp
@@ -2,6 +2,7 @@
 
 cc_library {
     name: "libvndksupport",
+    native_bridge_supported: true,
     srcs: ["linker.c"],
     cflags: [
         "-Wall",
@@ -22,6 +23,7 @@
 
 llndk_library {
     name: "libvndksupport",
+    native_bridge_supported: true,
     symbol_file: "libvndksupport.map.txt",
     export_include_dirs: ["include"],
 }
diff --git a/mkbootimg/mkbootimg.py b/mkbootimg/mkbootimg.py
index 92b11a5..934f28e 100644
--- a/mkbootimg/mkbootimg.py
+++ b/mkbootimg/mkbootimg.py
@@ -113,6 +113,10 @@
         args.output.write(pack('I', BOOT_IMAGE_HEADER_V2_SIZE))
 
     if args.header_version > 1:
+
+        if filesize(args.dtb) == 0:
+            raise ValueError("DTB image must not be empty.")
+
         args.output.write(pack('I', filesize(args.dtb)))   # size in bytes
         args.output.write(pack('Q', args.base + args.dtb_offset)) # dtb physical load address
     pad_file(args.output, args.pagesize)
diff --git a/rootdir/etc/ld.config.legacy.txt b/rootdir/etc/ld.config.legacy.txt
index 4b07478..f6b5e95 100644
--- a/rootdir/etc/ld.config.legacy.txt
+++ b/rootdir/etc/ld.config.legacy.txt
@@ -56,6 +56,9 @@
 namespace.default.link.runtime.shared_libs  = libandroidicu.so
 namespace.default.link.runtime.shared_libs += libdexfile_external.so
 namespace.default.link.runtime.shared_libs += libdexfiled_external.so
+# libicuuc.so and libicui18n.so are kept for app compat reason. http://b/130788466
+namespace.default.link.runtime.shared_libs += libicui18n.so
+namespace.default.link.runtime.shared_libs += libicuuc.so
 namespace.default.link.runtime.shared_libs += libnativebridge.so
 namespace.default.link.runtime.shared_libs += libnativehelper.so
 namespace.default.link.runtime.shared_libs += libnativeloader.so
diff --git a/rootdir/etc/ld.config.txt b/rootdir/etc/ld.config.txt
index f4710d8..6c4f8ab 100644
--- a/rootdir/etc/ld.config.txt
+++ b/rootdir/etc/ld.config.txt
@@ -135,12 +135,16 @@
 namespace.default.link.runtime.shared_libs  = libandroidicu.so
 namespace.default.link.runtime.shared_libs += libdexfile_external.so
 namespace.default.link.runtime.shared_libs += libdexfiled_external.so
+# libicuuc.so and libicui18n.so are kept for app compat reason. http://b/130788466
+namespace.default.link.runtime.shared_libs += libicui18n.so
+namespace.default.link.runtime.shared_libs += libicuuc.so
 namespace.default.link.runtime.shared_libs += libnativebridge.so
 namespace.default.link.runtime.shared_libs += libnativehelper.so
 namespace.default.link.runtime.shared_libs += libnativeloader.so
 
 # TODO(b/122876336): Remove libpac.so once it's migrated to Webview
 namespace.default.link.runtime.shared_libs += libpac.so
+namespace.default.link.runtime.shared_libs += %SANITIZER_RUNTIME_LIBRARIES%
 
 # When libnetd_resolv.so can't be found in the default namespace, search for it
 # in the resolv namespace. Don't allow any other libraries from the resolv namespace
@@ -367,7 +371,7 @@
 # The "vndk" namespace links to "default" namespace for LLNDK libs and links to
 # "sphal" namespace for vendor libs.  The ordering matters.  The "default"
 # namespace has higher priority than the "sphal" namespace.
-namespace.vndk.links = default,sphal
+namespace.vndk.links = default,sphal,runtime
 
 # When these NDK libs are required inside this namespace, then it is redirected
 # to the default namespace. This is possible since their ABI is stable across
@@ -375,6 +379,8 @@
 namespace.vndk.link.default.shared_libs  = %LLNDK_LIBRARIES%
 namespace.vndk.link.default.shared_libs += %SANITIZER_RUNTIME_LIBRARIES%
 
+namespace.vndk.link.runtime.shared_libs = %SANITIZER_RUNTIME_LIBRARIES%
+
 # Allow VNDK-SP extensions to use vendor libraries
 namespace.vndk.link.sphal.allow_all_shared_libs = true
 
@@ -427,8 +433,10 @@
 namespace.default.asan.permitted.paths += /data/asan/vendor
 namespace.default.asan.permitted.paths +=           /vendor
 
-namespace.default.links = system,vndk%VNDK_IN_SYSTEM_NS%
-namespace.default.link.system.shared_libs = %LLNDK_LIBRARIES%
+namespace.default.links = system,vndk%VNDK_IN_SYSTEM_NS%,runtime
+namespace.default.link.runtime.shared_libs = %SANITIZER_RUNTIME_LIBRARIES%
+namespace.default.link.system.shared_libs  = %LLNDK_LIBRARIES%
+namespace.default.link.system.shared_libs += %SANITIZER_RUNTIME_LIBRARIES%
 namespace.default.link.vndk_in_system.shared_libs = %VNDK_USING_CORE_VARIANT_LIBRARIES%
 namespace.default.link.vndk.shared_libs  = %VNDK_SAMEPROCESS_LIBRARIES%
 namespace.default.link.vndk.shared_libs += %VNDK_CORE_LIBRARIES%
@@ -481,13 +489,15 @@
 # Android releases.  The links here should be identical to that of the
 # 'vndk_in_system' namespace, except for the link between 'vndk' and
 # 'vndk_in_system'.
-namespace.vndk.links = system,default%VNDK_IN_SYSTEM_NS%
+namespace.vndk.links = system,default%VNDK_IN_SYSTEM_NS%,runtime
 
 namespace.vndk.link.system.shared_libs  = %LLNDK_LIBRARIES%
 namespace.vndk.link.system.shared_libs += %SANITIZER_RUNTIME_LIBRARIES%
 
 namespace.vndk.link.default.allow_all_shared_libs = true
 
+namespace.vndk.link.runtime.shared_libs = %SANITIZER_RUNTIME_LIBRARIES%
+
 namespace.vndk.link.vndk_in_system.shared_libs = %VNDK_USING_CORE_VARIANT_LIBRARIES%
 
 ###############################################################################
@@ -512,11 +522,15 @@
 namespace.system.links = runtime
 namespace.system.link.runtime.shared_libs  = libdexfile_external.so
 namespace.system.link.runtime.shared_libs += libdexfiled_external.so
+# libicuuc.so and libicui18n.so are kept for app compat reason. http://b/130788466
+namespace.system.link.runtime.shared_libs += libicui18n.so
+namespace.system.link.runtime.shared_libs += libicuuc.so
 namespace.system.link.runtime.shared_libs += libnativebridge.so
 namespace.system.link.runtime.shared_libs += libnativehelper.so
 namespace.system.link.runtime.shared_libs += libnativeloader.so
 # Workaround for b/124772622
 namespace.system.link.runtime.shared_libs += libandroidicu.so
+namespace.system.link.runtime.shared_libs += %SANITIZER_RUNTIME_LIBRARIES%
 
 ###############################################################################
 # "vndk_in_system" namespace
@@ -555,7 +569,8 @@
 #   1. 'vndk_in_system' needs to be freely linked back to 'vndk'.
 #   2. 'vndk_in_system' does not need to link to 'default', as any library that
 #      requires anything vendor would not be a vndk_in_system library.
-namespace.vndk_in_system.links = vndk,system
+namespace.vndk_in_system.links = vndk,system,runtime
+namespace.vndk_in_system.link.runtime.shared_libs = %SANITIZER_RUNTIME_LIBRARIES%
 
 namespace.vndk_in_system.link.system.shared_libs  = %LLNDK_LIBRARIES%
 namespace.vndk_in_system.link.system.shared_libs += %SANITIZER_RUNTIME_LIBRARIES%
@@ -592,6 +607,9 @@
 namespace.default.link.runtime.shared_libs  = libandroidicu.so
 namespace.default.link.runtime.shared_libs += libdexfile_external.so
 namespace.default.link.runtime.shared_libs += libdexfiled_external.so
+# libicuuc.so and libicui18n.so are kept for app compat reason. http://b/130788466
+namespace.default.link.runtime.shared_libs += libicui18n.so
+namespace.default.link.runtime.shared_libs += libicuuc.so
 namespace.default.link.runtime.shared_libs += libnativebridge.so
 namespace.default.link.runtime.shared_libs += libnativehelper.so
 namespace.default.link.runtime.shared_libs += libnativeloader.so
@@ -687,3 +705,5 @@
 namespace.default.search.paths  = /system/${LIB}
 namespace.default.search.paths += /%PRODUCT%/${LIB}
 namespace.default.search.paths += /%PRODUCT_SERVICES%/${LIB}
+
+namespace.default.link.runtime.shared_libs = %SANITIZER_RUNTIME_LIBRARIES%
diff --git a/rootdir/etc/ld.config.vndk_lite.txt b/rootdir/etc/ld.config.vndk_lite.txt
index 4ce7f52..d616582 100644
--- a/rootdir/etc/ld.config.vndk_lite.txt
+++ b/rootdir/etc/ld.config.vndk_lite.txt
@@ -75,6 +75,9 @@
 namespace.default.link.runtime.shared_libs  = libandroidicu.so
 namespace.default.link.runtime.shared_libs += libdexfile_external.so
 namespace.default.link.runtime.shared_libs += libdexfiled_external.so
+# libicuuc.so and libicui18n.so are kept for app compat reason. http://b/130788466
+namespace.default.link.runtime.shared_libs += libicui18n.so
+namespace.default.link.runtime.shared_libs += libicuuc.so
 namespace.default.link.runtime.shared_libs += libnativebridge.so
 namespace.default.link.runtime.shared_libs += libnativehelper.so
 namespace.default.link.runtime.shared_libs += libnativeloader.so
@@ -363,6 +366,9 @@
 namespace.default.links = runtime
 namespace.default.link.runtime.shared_libs  = libdexfile_external.so
 namespace.default.link.runtime.shared_libs += libdexfiled_external.so
+# libicuuc.so and libicui18n.so are kept for app compat reason. http://b/130788466
+namespace.default.link.runtime.shared_libs += libicui18n.so
+namespace.default.link.runtime.shared_libs += libicuuc.so
 namespace.default.link.runtime.shared_libs += libnativebridge.so
 namespace.default.link.runtime.shared_libs += libnativehelper.so
 namespace.default.link.runtime.shared_libs += libnativeloader.so
@@ -413,6 +419,9 @@
 namespace.default.link.runtime.shared_libs  = libandroidicu.so
 namespace.default.link.runtime.shared_libs += libdexfile_external.so
 namespace.default.link.runtime.shared_libs += libdexfiled_external.so
+# libicuuc.so and libicui18n.so are kept for app compat reason. http://b/130788466
+namespace.default.link.runtime.shared_libs += libicui18n.so
+namespace.default.link.runtime.shared_libs += libicuuc.so
 namespace.default.link.runtime.shared_libs += libnativebridge.so
 namespace.default.link.runtime.shared_libs += libnativehelper.so
 namespace.default.link.runtime.shared_libs += libnativeloader.so