diff --git a/Android.bp b/Android.bp
index bd95705..4cdeba0 100644
--- a/Android.bp
+++ b/Android.bp
@@ -94,6 +94,8 @@
     shared_libs: [
         "android.hardware.boot@1.0",
         "android.hardware.boot@1.1",
+        "android.hardware.boot-V1-ndk",
+        "libboot_control_client",
         "libbase",
         "libbootloader_message",
         "libcrypto",
@@ -113,6 +115,8 @@
         "librecovery_utils",
         "libotautil",
         "libsnapshot_nobinder",
+        "libsnapshot_cow",
+        "liblz4",
         "update_metadata-protos",
     ],
 }
@@ -158,6 +162,7 @@
 
     shared_libs: [
         "android.hardware.health-V1-ndk", // from librecovery_utils
+        "android.hardware.boot-V1-ndk",
         "librecovery_ui",
     ],
 
diff --git a/bootloader_message/Android.bp b/bootloader_message/Android.bp
index 778fdb9..7622677 100644
--- a/bootloader_message/Android.bp
+++ b/bootloader_message/Android.bp
@@ -45,6 +45,7 @@
         "libbootloader_message_defaults",
     ],
     recovery_available: true,
+    vendor_available: true,
     host_supported: true,
 
     target: {
diff --git a/bootloader_message/bootloader_message.cpp b/bootloader_message/bootloader_message.cpp
index 1ea56cd..0a713ee 100644
--- a/bootloader_message/bootloader_message.cpp
+++ b/bootloader_message/bootloader_message.cpp
@@ -209,7 +209,11 @@
   memset(boot->command, 0, sizeof(boot->command));
   memset(boot->recovery, 0, sizeof(boot->recovery));
 
-  strlcpy(boot->command, "boot-recovery", sizeof(boot->command));
+  if (android::base::GetBoolProperty("ro.boot.quiescent", false)) {
+    strlcpy(boot->command, "boot-recovery,quiescent", sizeof(boot->command));
+  } else {
+    strlcpy(boot->command, "boot-recovery", sizeof(boot->command));
+  }
 
   std::string recovery = "recovery\n";
   for (const auto& s : options) {
diff --git a/bootloader_message/include/bootloader_message/bootloader_message.h b/bootloader_message/include/bootloader_message/bootloader_message.h
index d58158d..8fba101 100644
--- a/bootloader_message/include/bootloader_message/bootloader_message.h
+++ b/bootloader_message/include/bootloader_message/bootloader_message.h
@@ -109,6 +109,7 @@
 #define MISC_MEMTAG_MODE_MEMTAG_ONCE 0x2
 #define MISC_MEMTAG_MODE_MEMTAG_KERNEL 0x4
 #define MISC_MEMTAG_MODE_MEMTAG_KERNEL_ONCE 0x8
+#define MISC_MEMTAG_MODE_MEMTAG_OFF 0x10
 
 #if (__STDC_VERSION__ >= 201112L) || defined(__cplusplus)
 static_assert(sizeof(struct misc_virtual_ab_message) == 64,
diff --git a/etc/init.rc b/etc/init.rc
index e4afecf..03df27b 100644
--- a/etc/init.rc
+++ b/etc/init.rc
@@ -102,7 +102,7 @@
 on fs && property:sys.usb.configfs=1
     mount configfs none /config
     mkdir /config/usb_gadget/g1 0770 shell shell
-    write /config/usb_gadget/g1/idVendor 0x18D1
+    write /config/usb_gadget/g1/idVendor 0x${ro.recovery.usb.vid}
     mkdir /config/usb_gadget/g1/strings/0x409 0770
     write /config/usb_gadget/g1/strings/0x409/serialnumber ${ro.serialno}
     write /config/usb_gadget/g1/strings/0x409/manufacturer ${ro.product.manufacturer}
@@ -114,7 +114,7 @@
 
 on fs && property:sys.usb.configfs=0
     write /sys/class/android_usb/android0/f_ffs/aliases adb,fastboot
-    write /sys/class/android_usb/android0/idVendor 18D1
+    write /sys/class/android_usb/android0/idVendor ${ro.recovery.usb.vid}
     write /sys/class/android_usb/android0/iManufacturer ${ro.product.manufacturer}
     write /sys/class/android_usb/android0/iProduct ${ro.product.model}
     write /sys/class/android_usb/android0/iSerial ${ro.serialno}
@@ -139,19 +139,19 @@
     setprop sys.usb.state ${sys.usb.config}
 
 on property:sys.usb.config=adb && property:sys.usb.configfs=0
-    write /sys/class/android_usb/android0/idProduct D001
+    write /sys/class/android_usb/android0/idProduct ${ro.recovery.usb.adb.pid}
     write /sys/class/android_usb/android0/functions adb
     write /sys/class/android_usb/android0/enable 1
     setprop sys.usb.state ${sys.usb.config}
 
 on property:sys.usb.config=sideload && property:sys.usb.configfs=0
-    write /sys/class/android_usb/android0/idProduct D001
+    write /sys/class/android_usb/android0/idProduct ${ro.recovery.usb.adb.pid}
     write /sys/class/android_usb/android0/functions adb
     write /sys/class/android_usb/android0/enable 1
     setprop sys.usb.state ${sys.usb.config}
 
 on property:sys.usb.config=fastboot && property:sys.usb.configfs=0
-    write /sys/class/android_usb/android0/idProduct 4EE0
+    write /sys/class/android_usb/android0/idProduct ${ro.recovery.usb.fastboot.pid}
     write /sys/class/android_usb/android0/functions fastboot
     write /sys/class/android_usb/android0/enable 1
     setprop sys.usb.state ${sys.usb.config}
@@ -166,21 +166,21 @@
     setprop sys.usb.state ${sys.usb.config}
 
 on property:sys.usb.config=sideload && property:sys.usb.ffs.ready=1 && property:sys.usb.configfs=1
-    write /config/usb_gadget/g1/idProduct 0xD001
+    write /config/usb_gadget/g1/idProduct 0x${ro.recovery.usb.adb.pid}
     write /config/usb_gadget/g1/configs/b.1/strings/0x409/configuration "adb"
     symlink /config/usb_gadget/g1/functions/ffs.adb /config/usb_gadget/g1/configs/b.1/f1
     write /config/usb_gadget/g1/UDC ${sys.usb.controller}
     setprop sys.usb.state ${sys.usb.config}
 
 on property:sys.usb.config=adb && property:sys.usb.ffs.ready=1 && property:sys.usb.configfs=1
-    write /config/usb_gadget/g1/idProduct 0xD001
+    write /config/usb_gadget/g1/idProduct 0x${ro.recovery.usb.adb.pid}
     write /config/usb_gadget/g1/configs/b.1/strings/0x409/configuration "adb"
     symlink /config/usb_gadget/g1/functions/ffs.adb /config/usb_gadget/g1/configs/b.1/f1
     write /config/usb_gadget/g1/UDC ${sys.usb.controller}
     setprop sys.usb.state ${sys.usb.config}
 
 on property:sys.usb.config=fastboot && property:sys.usb.ffs.ready=1 && property:sys.usb.configfs=1
-    write /config/usb_gadget/g1/idProduct 0x4EE0
+    write /config/usb_gadget/g1/idProduct 0x${ro.recovery.usb.fastboot.pid}
     write /config/usb_gadget/g1/configs/b.1/strings/0x409/configuration "fastboot"
     symlink /config/usb_gadget/g1/functions/ffs.fastboot /config/usb_gadget/g1/configs/b.1/f1
     write /config/usb_gadget/g1/UDC ${sys.usb.controller}
diff --git a/install/install.cpp b/install/install.cpp
index 83f3cad..044856b 100644
--- a/install/install.cpp
+++ b/install/install.cpp
@@ -551,7 +551,9 @@
   } else {
     LOG(FATAL) << "Invalid status code " << status;
   }
-  PerformPowerwashIfRequired(zip, device);
+  if (package_is_ab) {
+    PerformPowerwashIfRequired(zip, device);
+  }
 
   return INSTALL_SUCCESS;
 }
diff --git a/install/wipe_data.cpp b/install/wipe_data.cpp
index 024c1e1..c65e6f4 100644
--- a/install/wipe_data.cpp
+++ b/install/wipe_data.cpp
@@ -25,6 +25,7 @@
 #include <android-base/logging.h>
 #include <android-base/stringprintf.h>
 
+#include "bootloader_message/bootloader_message.h"
 #include "install/snapshot_utils.h"
 #include "otautil/dirutil.h"
 #include "recovery_ui/ui.h"
@@ -100,6 +101,12 @@
       success &= EraseVolume(METADATA_ROOT, ui);
     }
   }
+  ui->Print("Resetting memtag message...\n");
+  std::string err;
+  if (!WriteMiscMemtagMessage({}, &err)) {
+    ui->Print("Failed to reset memtag message: %s\n", err.c_str());
+    success = false;
+  }
   if (success) {
     success &= device->PostWipeData();
   }
diff --git a/minadbd/OWNERS b/minadbd/OWNERS
new file mode 100644
index 0000000..8ee79dd
--- /dev/null
+++ b/minadbd/OWNERS
@@ -0,0 +1,2 @@
+enh@google.com
+shaju@google.com
diff --git a/minadbd/minadbd_services.cpp b/minadbd/minadbd_services.cpp
index 0abe867..16bcb5e 100644
--- a/minadbd/minadbd_services.cpp
+++ b/minadbd/minadbd_services.cpp
@@ -305,7 +305,7 @@
   }
 }
 
-asocket* daemon_service_to_socket(std::string_view) {
+asocket* daemon_service_to_socket(std::string_view, atransport*) {
   return nullptr;
 }
 
diff --git a/minui/graphics_fbdev.cpp b/minui/graphics_fbdev.cpp
index 4a7d325..2711af7 100644
--- a/minui/graphics_fbdev.cpp
+++ b/minui/graphics_fbdev.cpp
@@ -44,7 +44,11 @@
 }
 
 void MinuiBackendFbdev::Blank(bool blank, DrmConnector index) {
-  fprintf(stderr, "Unsupported multiple connectors, blank = %d, index = %d\n", blank, index);
+  if (index == DRM_MAIN) {
+    MinuiBackendFbdev::Blank(blank);
+  } else {
+    fprintf(stderr, "Unsupported multiple connectors, blank = %d, index = %d\n", blank, index);
+  }
 }
 
 bool MinuiBackendFbdev::HasMultipleConnectors() {
diff --git a/otautil/verifier.cpp b/otautil/verifier.cpp
index 8a65566..83ad708 100644
--- a/otautil/verifier.cpp
+++ b/otautil/verifier.cpp
@@ -309,13 +309,15 @@
 }
 
 static std::vector<Certificate> IterateZipEntriesAndSearchForKeys(const ZipArchiveHandle& handle) {
-  void* cookie;
+  void* cookie{};
+
   int32_t iter_status = StartIteration(handle, &cookie, "", "x509.pem");
   if (iter_status != 0) {
     LOG(ERROR) << "Failed to iterate over entries in the certificate zipfile: "
                << ErrorCodeString(iter_status);
     return {};
   }
+  std::unique_ptr<void, decltype(&EndIteration)> cookie_guard(cookie, &EndIteration);
 
   std::vector<Certificate> result;
 
diff --git a/recovery-persist.cpp b/recovery-persist.cpp
index ad101ed..55699b2 100644
--- a/recovery-persist.cpp
+++ b/recovery-persist.cpp
@@ -77,6 +77,10 @@
   }
 }
 
+static bool file_exists(const char* filename) {
+  return access(filename, R_OK) == 0;
+}
+
 static bool rotated = false;
 
 ssize_t logsave(
@@ -141,7 +145,7 @@
     if (has_cache) {
       // Collects and reports the non-a/b update metrics from last_install; and removes the file
       // to avoid duplicate report.
-      if (access(LAST_INSTALL_FILE_IN_CACHE, F_OK) && unlink(LAST_INSTALL_FILE_IN_CACHE) == -1) {
+      if (file_exists(LAST_INSTALL_FILE_IN_CACHE) && unlink(LAST_INSTALL_FILE_IN_CACHE) == -1) {
         PLOG(ERROR) << "Failed to unlink " << LAST_INSTALL_FILE_IN_CACHE;
       }
 
@@ -152,9 +156,9 @@
       }
     }
 
-    /* Is there something in pmsg? */
-    if (access(LAST_PMSG_FILE, R_OK)) {
-        return 0;
+    /* Is there something in pmsg? If not, no need to proceed. */
+    if (!file_exists(LAST_PMSG_FILE)) {
+      return 0;
     }
 
     // Take last pmsg file contents and send it off to the logsave
@@ -164,18 +168,18 @@
     // For those device without /cache, the last_install file has been copied to
     // /data/misc/recovery from pmsg. Looks for the sideload history only.
     if (!has_cache) {
-      if (access(LAST_INSTALL_FILE, F_OK) && unlink(LAST_INSTALL_FILE) == -1) {
+      if (file_exists(LAST_INSTALL_FILE) && unlink(LAST_INSTALL_FILE) == -1) {
         PLOG(ERROR) << "Failed to unlink " << LAST_INSTALL_FILE;
       }
     }
 
     /* Is there a last console log too? */
     if (rotated) {
-        if (!access(LAST_CONSOLE_FILE, R_OK)) {
-            copy_file(LAST_CONSOLE_FILE, LAST_KMSG_FILE);
-        } else if (!access(ALT_LAST_CONSOLE_FILE, R_OK)) {
-            copy_file(ALT_LAST_CONSOLE_FILE, LAST_KMSG_FILE);
-        }
+      if (file_exists(LAST_CONSOLE_FILE)) {
+        copy_file(LAST_CONSOLE_FILE, LAST_KMSG_FILE);
+      } else if (file_exists(ALT_LAST_CONSOLE_FILE)) {
+        copy_file(ALT_LAST_CONSOLE_FILE, LAST_KMSG_FILE);
+      }
     }
 
     return 0;
diff --git a/tools/image_generator/ImageGenerator.java b/tools/image_generator/ImageGenerator.java
index 6c5ea4b..00264b1 100644
--- a/tools/image_generator/ImageGenerator.java
+++ b/tools/image_generator/ImageGenerator.java
@@ -16,6 +16,8 @@
 
 package com.android.recovery.tools;
 
+import static java.util.Map.entry;
+
 import com.ibm.icu.text.BreakIterator;
 
 import org.apache.commons.cli.CommandLine;
@@ -111,49 +113,43 @@
     // https://www.iana.org/assignments/language-subtag-registry/language-subtag-registry
     private static final String DEFAULT_FONT_NAME = "Roboto-Regular";
     private static final Map<String, String> LANGUAGE_TO_FONT_MAP =
-            new TreeMap<String, String>() {
-                {
-                    put("am", "NotoSansEthiopic-VF");
-                    put("ar", "NotoNaskhArabicUI-Regular");
-                    put("as", "NotoSansBengaliUI-VF");
-                    put("bn", "NotoSansBengaliUI-VF");
-                    put("fa", "NotoNaskhArabicUI-Regular");
-                    put("gu", "NotoSansGujaratiUI-Regular");
-                    put("hi", "NotoSansDevanagariUI-VF");
-                    put("hy", "NotoSansArmenian-VF");
-                    put("iw", "NotoSansHebrew-Regular");
-                    put("ja", "NotoSansCJK-Regular");
-                    put("ka", "NotoSansGeorgian-VF");
-                    put("ko", "NotoSansCJK-Regular");
-                    put("km", "NotoSansKhmerUI-Regular");
-                    put("kn", "NotoSansKannadaUI-VF");
-                    put("lo", "NotoSansLaoUI-Regular");
-                    put("ml", "NotoSansMalayalamUI-VF");
-                    put("mr", "NotoSansDevanagariUI-VF");
-                    put("my", "NotoSansMyanmarUI-Regular");
-                    put("ne", "NotoSansDevanagariUI-VF");
-                    put("or", "NotoSansOriya-Regular");
-                    put("pa", "NotoSansGurmukhiUI-VF");
-                    put("si", "NotoSansSinhalaUI-VF");
-                    put("ta", "NotoSansTamilUI-VF");
-                    put("te", "NotoSansTeluguUI-VF");
-                    put("th", "NotoSansThaiUI-Regular");
-                    put("ur", "NotoNaskhArabicUI-Regular");
-                    put("zh", "NotoSansCJK-Regular");
-                }
-            };
+            Map.ofEntries(
+                entry("am", "NotoSansEthiopic-VF"),
+                entry("ar", "NotoNaskhArabicUI-Regular"),
+                entry("as", "NotoSansBengaliUI-VF"),
+                entry("bn", "NotoSansBengaliUI-VF"),
+                entry("fa", "NotoNaskhArabicUI-Regular"),
+                entry("gu", "NotoSansGujaratiUI-Regular"),
+                entry("hi", "NotoSansDevanagariUI-VF"),
+                entry("hy", "NotoSansArmenian-VF"),
+                entry("iw", "NotoSansHebrew-Regular"),
+                entry("ja", "NotoSansCJK-Regular"),
+                entry("ka", "NotoSansGeorgian-VF"),
+                entry("ko", "NotoSansCJK-Regular"),
+                entry("km", "NotoSansKhmerUI-Regular"),
+                entry("kn", "NotoSansKannadaUI-VF"),
+                entry("lo", "NotoSansLaoUI-Regular"),
+                entry("ml", "NotoSansMalayalamUI-VF"),
+                entry("mr", "NotoSansDevanagariUI-VF"),
+                entry("my", "NotoSansMyanmarUI-Regular"),
+                entry("ne", "NotoSansDevanagariUI-VF"),
+                entry("or", "NotoSansOriya-Regular"),
+                entry("pa", "NotoSansGurmukhiUI-VF"),
+                entry("si", "NotoSansSinhalaUI-VF"),
+                entry("ta", "NotoSansTamilUI-VF"),
+                entry("te", "NotoSansTeluguUI-VF"),
+                entry("th", "NotoSansThaiUI-Regular"),
+                entry("ur", "NotoNaskhArabicUI-Regular"),
+                entry("zh", "NotoSansCJK-Regular"));
 
     // Languages that write from right to left.
     private static final Set<String> RTL_LANGUAGE =
-            new HashSet<String>() {
-                {
-                    add("ar"); // Arabic
-                    add("fa"); // Persian
-                    add("he"); // Hebrew
-                    add("iw"); // Hebrew
-                    add("ur"); // Urdu
-                }
-            };
+            Set.of(
+                "ar",  // Arabic
+                "fa",  // Persian
+                "he",  // Hebrew
+                "iw",  // Hebrew
+                "ur"); // Urdu
 
     /** Exception to indicate the failure to find the translated text strings. */
     public static class LocalizedStringNotFoundException extends Exception {
diff --git a/tools/recovery_l10n/res/values-b+sr+Latn/strings.xml b/tools/recovery_l10n/res/values-b+sr+Latn/strings.xml
index 1583bea..19c6f41 100644
--- a/tools/recovery_l10n/res/values-b+sr+Latn/strings.xml
+++ b/tools/recovery_l10n/res/values-b+sr+Latn/strings.xml
@@ -1,14 +1,14 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <resources xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
-    <string name="recovery_installing" msgid="2013591905463558223">"Ажурирање система се инсталира"</string>
-    <string name="recovery_erasing" msgid="7334826894904037088">"Брише се"</string>
-    <string name="recovery_no_command" msgid="4465476568623024327">"Нема команде"</string>
-    <string name="recovery_error" msgid="5748178989622716736">"Грешка!"</string>
-    <string name="recovery_installing_security" msgid="9184031299717114342">"Инсталира се безбедносно ажурирање"</string>
-    <string name="recovery_wipe_data_menu_header" msgid="550255032058254478">"Учитавање Android система није успело. Подаци су можда оштећени. Ако наставите да добијате ову поруку, можда ћете морати да ресетујете уређај на фабричка подешавања и обришете све податке корисника које чувате на њему."</string>
-    <string name="recovery_try_again" msgid="7168248750158873496">"Пробај поново"</string>
-    <string name="recovery_factory_data_reset" msgid="7321351565602894783">"Ресетовање на фабричка подешавања"</string>
-    <string name="recovery_wipe_data_confirmation" msgid="5439823343348043954">"Желите ли да избришете све податке корисника?\n\n ОВО НЕ МОЖЕ ДА СЕ ОПОЗОВЕ!"</string>
-    <string name="recovery_cancel_wipe_data" msgid="66987687653647384">"Откажи"</string>
+    <string name="recovery_installing" msgid="2013591905463558223">"Ažuriranje sistema se instalira"</string>
+    <string name="recovery_erasing" msgid="7334826894904037088">"Briše se"</string>
+    <string name="recovery_no_command" msgid="4465476568623024327">"Nema komande"</string>
+    <string name="recovery_error" msgid="5748178989622716736">"Greška!"</string>
+    <string name="recovery_installing_security" msgid="9184031299717114342">"Instalira se bezbednosno ažuriranje"</string>
+    <string name="recovery_wipe_data_menu_header" msgid="550255032058254478">"Učitavanje Android sistema nije uspelo. Podaci su možda oštećeni. Ako nastavite da dobijate ovu poruku, možda ćete morati da resetujete uređaj na fabrička podešavanja i obrišete sve podatke korisnika koje čuvate na njemu."</string>
+    <string name="recovery_try_again" msgid="7168248750158873496">"Probaj ponovo"</string>
+    <string name="recovery_factory_data_reset" msgid="7321351565602894783">"Resetovanje na fabrička podešavanja"</string>
+    <string name="recovery_wipe_data_confirmation" msgid="5439823343348043954">"Želite li da izbrišete sve podatke korisnika?\n\n OVO NE MOŽE DA SE OPOZOVE!"</string>
+    <string name="recovery_cancel_wipe_data" msgid="66987687653647384">"Otkaži"</string>
 </resources>
diff --git a/tools/recovery_l10n/res/values-en-rCA/strings.xml b/tools/recovery_l10n/res/values-en-rCA/strings.xml
index 69be4bb..6451e5b 100644
--- a/tools/recovery_l10n/res/values-en-rCA/strings.xml
+++ b/tools/recovery_l10n/res/values-en-rCA/strings.xml
@@ -9,6 +9,6 @@
     <string name="recovery_wipe_data_menu_header" msgid="550255032058254478">"Cannot load Android system. Your data may be corrupt. If you continue to get this message, you may need to perform a factory data reset and erase all user data stored on this device."</string>
     <string name="recovery_try_again" msgid="7168248750158873496">"Try again"</string>
     <string name="recovery_factory_data_reset" msgid="7321351565602894783">"Factory data reset"</string>
-    <string name="recovery_wipe_data_confirmation" msgid="5439823343348043954">"Wipe all user data?\n\n THIS CAN NOT BE UNDONE!"</string>
+    <string name="recovery_wipe_data_confirmation" msgid="5439823343348043954">"Wipe all user data?\n\n THIS CANNOT BE UNDONE!"</string>
     <string name="recovery_cancel_wipe_data" msgid="66987687653647384">"Cancel"</string>
 </resources>
diff --git a/tools/recovery_l10n/res/values-eu/strings.xml b/tools/recovery_l10n/res/values-eu/strings.xml
index 963101f..005a042 100644
--- a/tools/recovery_l10n/res/values-eu/strings.xml
+++ b/tools/recovery_l10n/res/values-eu/strings.xml
@@ -9,6 +9,6 @@
     <string name="recovery_wipe_data_menu_header" msgid="550255032058254478">"Ezin da kargatu Android sistema. Zure datuak hondatuta egon daitezke. Mezu hau jasotzen jarraitzen baduzu, jatorrizko datuak berrezarri beharko dituzu eta gailuan gordetako erabiltzaile-datu guztiak ezabatu beharko dituzu."</string>
     <string name="recovery_try_again" msgid="7168248750158873496">"Saiatu berriro"</string>
     <string name="recovery_factory_data_reset" msgid="7321351565602894783">"Berrezarri jatorrizko datuak"</string>
-    <string name="recovery_wipe_data_confirmation" msgid="5439823343348043954">"Erabiltzaile-datu guztiak xahutu nahi dituzu?\n\n EKINTZA HORI EZIN DA DESEGIN!"</string>
+    <string name="recovery_wipe_data_confirmation" msgid="5439823343348043954">"Erabiltzailearen datu guztiak xahutu nahi dituzu?\n\n EKINTZA HORI EZIN DA DESEGIN!"</string>
     <string name="recovery_cancel_wipe_data" msgid="66987687653647384">"Utzi"</string>
 </resources>
diff --git a/tools/recovery_l10n/res/values-ky/strings.xml b/tools/recovery_l10n/res/values-ky/strings.xml
index 67dca2a..45fcd15 100644
--- a/tools/recovery_l10n/res/values-ky/strings.xml
+++ b/tools/recovery_l10n/res/values-ky/strings.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <resources xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
-    <string name="recovery_installing" msgid="2013591905463558223">"Система жаңырууда"</string>
+    <string name="recovery_installing" msgid="2013591905463558223">"Тутум жаңырууда"</string>
     <string name="recovery_erasing" msgid="7334826894904037088">"Тазаланууда"</string>
     <string name="recovery_no_command" msgid="4465476568623024327">"Буйрук берилген жок"</string>
     <string name="recovery_error" msgid="5748178989622716736">"Ката!"</string>
diff --git a/tools/recovery_l10n/res/values-nb/strings.xml b/tools/recovery_l10n/res/values-nb/strings.xml
index 61d1173..e8cad13 100644
--- a/tools/recovery_l10n/res/values-nb/strings.xml
+++ b/tools/recovery_l10n/res/values-nb/strings.xml
@@ -7,7 +7,7 @@
     <string name="recovery_error" msgid="5748178989622716736">"Feil!"</string>
     <string name="recovery_installing_security" msgid="9184031299717114342">"Installerer sikkerhetsoppdateringen"</string>
     <string name="recovery_wipe_data_menu_header" msgid="550255032058254478">"Kan ikke laste inn Android-systemet. Dataene dine er muligens skadet. Hvis du fortsetter å se denne meldingen, må du muligens tilbakestille til fabrikkstandard og tømme alle brukerdataene som er lagret på denne enheten."</string>
-    <string name="recovery_try_again" msgid="7168248750158873496">"Prøv på nytt"</string>
+    <string name="recovery_try_again" msgid="7168248750158873496">"Prøv igjen"</string>
     <string name="recovery_factory_data_reset" msgid="7321351565602894783">"Tilbakestill til fabrikkstandard"</string>
     <string name="recovery_wipe_data_confirmation" msgid="5439823343348043954">"Vil du viske ut alle brukerdataene?\n\n DETTE KAN IKKE ANGRES!"</string>
     <string name="recovery_cancel_wipe_data" msgid="66987687653647384">"Avbryt"</string>
diff --git a/tools/recovery_l10n/res/values-or/strings.xml b/tools/recovery_l10n/res/values-or/strings.xml
index 683bf19..25b28e6 100644
--- a/tools/recovery_l10n/res/values-or/strings.xml
+++ b/tools/recovery_l10n/res/values-or/strings.xml
@@ -10,5 +10,5 @@
     <string name="recovery_try_again" msgid="7168248750158873496">"ପୁଣି ଚେଷ୍ଟା କରନ୍ତୁ"</string>
     <string name="recovery_factory_data_reset" msgid="7321351565602894783">"ଫ୍ୟାକ୍ଟୋରୀ ଡାଟା ରିସେଟ୍‌"</string>
     <string name="recovery_wipe_data_confirmation" msgid="5439823343348043954">"ସମସ୍ଯ ଉପଯୋଗକର୍ତ୍ତା ଡାଟା ୱାଇପ୍‍ କରିବେ?\n\n ଏହା ଫେରାଇ ନିଆଯାଇପାରିବ ନାହିଁ!"</string>
-    <string name="recovery_cancel_wipe_data" msgid="66987687653647384">"ବାତିଲ କରନ୍ତୁ"</string>
+    <string name="recovery_cancel_wipe_data" msgid="66987687653647384">"ବାତିଲ୍‌ କରନ୍ତୁ"</string>
 </resources>
diff --git a/tools/recovery_l10n/res/values-ro/strings.xml b/tools/recovery_l10n/res/values-ro/strings.xml
index 2f1cccd..585db83 100644
--- a/tools/recovery_l10n/res/values-ro/strings.xml
+++ b/tools/recovery_l10n/res/values-ro/strings.xml
@@ -6,9 +6,9 @@
     <string name="recovery_no_command" msgid="4465476568623024327">"Nicio comandă"</string>
     <string name="recovery_error" msgid="5748178989622716736">"Eroare!"</string>
     <string name="recovery_installing_security" msgid="9184031299717114342">"Se instalează actualizarea de securitate"</string>
-    <string name="recovery_wipe_data_menu_header" msgid="550255032058254478">"Nu se poate încărca sistemul Android. Datele tale pot fi corupte. Dacă primești în continuare acest mesaj, poate fi necesar să revii la setările din fabrică și să ștergi toate datele utilizatorului stocate pe acest dispozitiv."</string>
+    <string name="recovery_wipe_data_menu_header" msgid="550255032058254478">"Nu se poate încărca sistemul Android. Datele dvs. pot fi corupte. Dacă primiți în continuare acest mesaj, poate fi necesar să reveniți la setările din fabrică și să ștergeți toate datele utilizatorului stocate pe acest dispozitiv."</string>
     <string name="recovery_try_again" msgid="7168248750158873496">"Reîncercați"</string>
     <string name="recovery_factory_data_reset" msgid="7321351565602894783">"Revenire la setările din fabrică"</string>
-    <string name="recovery_wipe_data_confirmation" msgid="5439823343348043954">"Șterge toate datele utilizatorului?\n\n ACEST LUCRU NU POATE FI ANULAT!"</string>
-    <string name="recovery_cancel_wipe_data" msgid="66987687653647384">"Anulează"</string>
+    <string name="recovery_wipe_data_confirmation" msgid="5439823343348043954">"Ștergeți toate datele utilizatorului?\n\n ACEST LUCRU NU POATE FI ANULAT!"</string>
+    <string name="recovery_cancel_wipe_data" msgid="66987687653647384">"Anulați"</string>
 </resources>
diff --git a/tools/recovery_l10n/res/values-te/strings.xml b/tools/recovery_l10n/res/values-te/strings.xml
index 5747075..38ca612 100644
--- a/tools/recovery_l10n/res/values-te/strings.xml
+++ b/tools/recovery_l10n/res/values-te/strings.xml
@@ -10,5 +10,5 @@
     <string name="recovery_try_again" msgid="7168248750158873496">"మళ్లీ ప్రయత్నించు"</string>
     <string name="recovery_factory_data_reset" msgid="7321351565602894783">"ఫ్యాక్టరీ డేటా రీసెట్"</string>
     <string name="recovery_wipe_data_confirmation" msgid="5439823343348043954">"వినియోగదారు డేటా మొత్తాన్ని తొలగించాలా?\n\n ఈ చర్యను రద్దు చేయలేరు!"</string>
-    <string name="recovery_cancel_wipe_data" msgid="66987687653647384">"రద్దు చేయండి"</string>
+    <string name="recovery_cancel_wipe_data" msgid="66987687653647384">"రద్దు చేయి"</string>
 </resources>
diff --git a/update_verifier/Android.bp b/update_verifier/Android.bp
index 220b007..26ff530 100644
--- a/update_verifier/Android.bp
+++ b/update_verifier/Android.bp
@@ -39,14 +39,6 @@
         "care_map.proto",
     ],
     proto: {type: "lite", canonical_path_from_root: false},
-    version: {
-        py2: {
-            enabled: true,
-        },
-        py3: {
-            enabled: true,
-        },
-    },
     visibility: [
         "//build/make/tools/releasetools:__subpackages__",
     ],
@@ -73,8 +65,13 @@
         "libvold_binder",
     ],
 
+    whole_static_libs: [
+        "libsnapshot_snapuserd",
+    ],
+
     shared_libs: [
         "android.hardware.boot@1.0",
+        "libboot_control_client",
         "libbase",
         "libcutils",
         "libbinder",
@@ -114,6 +111,7 @@
         "libprotobuf-cpp-lite",
         "libbinder",
         "libutils",
+        "libboot_control_client",
     ],
 
     init_rc: [
@@ -139,12 +137,7 @@
     },
 
     version: {
-        py2: {
-            enabled: false,
-            embedded_launcher: false,
-        },
         py3: {
-            enabled: true,
             embedded_launcher: true,
         },
     },
diff --git a/update_verifier/include/update_verifier/update_verifier.h b/update_verifier/include/update_verifier/update_verifier.h
index 4c64b1e..0cccc90 100644
--- a/update_verifier/include/update_verifier/update_verifier.h
+++ b/update_verifier/include/update_verifier/update_verifier.h
@@ -21,6 +21,7 @@
 #include <string>
 #include <vector>
 
+#include <snapuserd/snapuserd_client.h>
 #include "otautil/rangeset.h"
 
 // The update verifier performs verification upon the first boot to a new slot on A/B devices.
@@ -68,4 +69,8 @@
 
   // The function to read the device property; default value: android::base::GetProperty()
   std::function<std::string(const std::string&)> property_reader_;
+
+  // Check if snapuserd daemon has already completed the update verification
+  // Applicable only for VABC with userspace snapshots
+  bool CheckVerificationStatus();
 };
diff --git a/update_verifier/update_verifier.cpp b/update_verifier/update_verifier.cpp
index a042f90..ea47a65 100644
--- a/update_verifier/update_verifier.cpp
+++ b/update_verifier/update_verifier.cpp
@@ -52,13 +52,14 @@
 #include <future>
 #include <thread>
 
+#include <BootControlClient.h>
+#include <android-base/chrono_utils.h>
 #include <android-base/file.h>
 #include <android-base/logging.h>
 #include <android-base/parseint.h>
 #include <android-base/properties.h>
 #include <android-base/strings.h>
 #include <android-base/unique_fd.h>
-#include <android/hardware/boot/1.0/IBootControl.h>
 #include <android/os/IVold.h>
 #include <binder/BinderService.h>
 #include <binder/Status.h>
@@ -66,11 +67,6 @@
 
 #include "care_map.pb.h"
 
-using android::sp;
-using android::hardware::boot::V1_0::IBootControl;
-using android::hardware::boot::V1_0::BoolResult;
-using android::hardware::boot::V1_0::CommandResult;
-
 // TODO(xunchang) remove the prefix and use a default path instead.
 constexpr const char* kDefaultCareMapPrefix = "/data/ota_package/care_map";
 
@@ -91,7 +87,7 @@
 // partition's integrity.
 std::map<std::string, std::string> UpdateVerifier::FindDmPartitions() {
   static constexpr auto DM_PATH_PREFIX = "/sys/block/";
-  dirent** namelist;
+  dirent** namelist = nullptr;
   int n = scandir(DM_PATH_PREFIX, &namelist, dm_name_filter, alphasort);
   if (n == -1) {
     PLOG(ERROR) << "Failed to scan dir " << DM_PATH_PREFIX;
@@ -188,7 +184,28 @@
   return ret;
 }
 
+bool UpdateVerifier::CheckVerificationStatus() {
+  auto client =
+      android::snapshot::SnapuserdClient::Connect(android::snapshot::kSnapuserdSocket, 5s);
+  if (!client) {
+    LOG(ERROR) << "Unable to connect to snapuserd";
+    return false;
+  }
+
+  return client->QueryUpdateVerification();
+}
+
 bool UpdateVerifier::VerifyPartitions() {
+  const bool userspace_snapshots =
+      android::base::GetBoolProperty("ro.virtual_ab.userspace.snapshots.enabled", false);
+
+  if (userspace_snapshots && CheckVerificationStatus()) {
+    LOG(INFO) << "Partitions verified by snapuserd daemon";
+    return true;
+  }
+
+  LOG(INFO) << "Partitions not verified by snapuserd daemon";
+
   auto dm_block_devices = FindDmPartitions();
   if (dm_block_devices.empty()) {
     LOG(ERROR) << "No dm-enabled block device is found.";
@@ -307,18 +324,21 @@
     LOG(INFO) << "Started with arg " << i << ": " << argv[i];
   }
 
-  sp<IBootControl> module = IBootControl::getService();
+  const auto module = android::hal::BootControlClient::WaitForService();
   if (module == nullptr) {
     LOG(ERROR) << "Error getting bootctrl module.";
     return reboot_device();
   }
 
-  uint32_t current_slot = module->getCurrentSlot();
-  BoolResult is_successful = module->isSlotMarkedSuccessful(current_slot);
-  LOG(INFO) << "Booting slot " << current_slot << ": isSlotMarkedSuccessful="
-            << static_cast<int32_t>(is_successful);
-
-  if (is_successful == BoolResult::FALSE) {
+  uint32_t current_slot = module->GetCurrentSlot();
+  const auto is_successful = module->IsSlotMarkedSuccessful(current_slot);
+  if (!is_successful.has_value()) {
+    LOG(INFO) << "Booting slot " << current_slot << " failed";
+  } else {
+    LOG(INFO) << "Booting slot " << current_slot
+              << ": isSlotMarkedSuccessful=" << is_successful.value();
+  }
+  if (is_successful.has_value() && !is_successful.value()) {
     // The current slot has not booted successfully.
 
     bool skip_verification = false;
@@ -364,8 +384,7 @@
     }
 
     if (!supports_checkpoint) {
-      CommandResult cr;
-      module->markBootSuccessful([&cr](CommandResult result) { cr = result; });
+      const auto cr = module->MarkBootSuccessful();
       if (!cr.success) {
         LOG(ERROR) << "Error marking booted successfully: " << cr.errMsg;
         return reboot_device();