diff --git a/adb/Android.bp b/adb/Android.bp
index fea8c78..af118f4 100644
--- a/adb/Android.bp
+++ b/adb/Android.bp
@@ -418,6 +418,12 @@
             srcs: [
                 "daemon/usb_dummy.cpp",
             ]
+        },
+        recovery: {
+            exclude_shared_libs: [
+                "libadb_pairing_auth",
+                "libadb_pairing_connection",
+            ],
         }
     },
 }
@@ -477,6 +483,10 @@
             exclude_srcs: [
                 "daemon/abb_service.cpp",
             ],
+            exclude_shared_libs: [
+                "libadb_pairing_auth",
+                "libadb_pairing_connection",
+            ],
         },
     },
 }
@@ -512,6 +522,15 @@
         "libselinux",
     ],
 
+    target: {
+        recovery: {
+            exclude_shared_libs: [
+                "libadb_pairing_auth",
+                "libadb_pairing_connection",
+            ],
+        }
+    },
+
     static_libs: [
         "libadbd_services",
         "libcutils_sockets",
@@ -544,6 +563,8 @@
     },
 
     static_libs: [
+        "libadb_crypto",
+        "libadb_tls_connection",
         "libadbconnection_server",
         "libadbd",
         "libadbd_services",
@@ -561,15 +582,22 @@
     ],
 
     shared_libs: [
-        "libadb_crypto",
         "libadb_pairing_connection",
         "libadb_protos",
-        "libadb_tls_connection",
         "libadbd_auth",
         "libadbd_fs",
         "libcrypto",
     ],
 
+    target: {
+        recovery: {
+            exclude_shared_libs: [
+                "libadb_pairing_auth",
+                "libadb_pairing_connection",
+            ],
+        }
+    },
+
     required: [
         "libadbd_auth",
         "libadbd_fs",
diff --git a/adb/crypto/Android.bp b/adb/crypto/Android.bp
index b7f75ed..ce1de4a 100644
--- a/adb/crypto/Android.bp
+++ b/adb/crypto/Android.bp
@@ -45,8 +45,6 @@
     host_supported: true,
     recovery_available: true,
 
-    stl: "libc++_static",
-
     shared_libs: [
         "libadb_protos",
         "libbase",
diff --git a/adb/pairing_auth/Android.bp b/adb/pairing_auth/Android.bp
index 0850047..a43f4d0 100644
--- a/adb/pairing_auth/Android.bp
+++ b/adb/pairing_auth/Android.bp
@@ -47,7 +47,7 @@
     use_version_lib: false,
 
     host_supported: true,
-    recovery_available: true,
+    recovery_available: false,
 
     stl: "libc++_static",
 
diff --git a/adb/pairing_connection/Android.bp b/adb/pairing_connection/Android.bp
index c053854..bcde7b1 100644
--- a/adb/pairing_connection/Android.bp
+++ b/adb/pairing_connection/Android.bp
@@ -52,7 +52,7 @@
     stl: "libc++_static",
 
     host_supported: true,
-    recovery_available: true,
+    recovery_available: false,
 
     static_libs: [
         "libbase",
@@ -131,7 +131,7 @@
     ],
 
     host_supported: true,
-    recovery_available: true,
+    recovery_available: false,
 
     stl: "libc++_static",
 
diff --git a/adb/tls/Android.bp b/adb/tls/Android.bp
index 49833ff..f2837e1 100644
--- a/adb/tls/Android.bp
+++ b/adb/tls/Android.bp
@@ -42,12 +42,8 @@
         "//system/core/adb:__subpackages__",
     ],
 
-    stl: "libc++_static",
-
-    static_libs: [
-        "libbase",
-    ],
     shared_libs: [
+        "libbase",
         "libcrypto",
         "liblog",
         "libssl",
diff --git a/fs_mgr/fs_mgr.cpp b/fs_mgr/fs_mgr.cpp
index 8840e7d..7bc4559 100644
--- a/fs_mgr/fs_mgr.cpp
+++ b/fs_mgr/fs_mgr.cpp
@@ -512,8 +512,7 @@
 // Enable casefold if needed.
 static void tune_casefold(const std::string& blk_device, const struct ext4_super_block* sb,
                           int* fs_stat) {
-    bool has_casefold =
-            (sb->s_feature_ro_compat & cpu_to_le32(EXT4_FEATURE_INCOMPAT_CASEFOLD)) != 0;
+    bool has_casefold = (sb->s_feature_incompat & cpu_to_le32(EXT4_FEATURE_INCOMPAT_CASEFOLD)) != 0;
     bool wants_casefold = android::base::GetBoolProperty("ro.emulated_storage.casefold", false);
 
     if (!wants_casefold || has_casefold) return;
diff --git a/fs_mgr/fs_mgr_fstab.cpp b/fs_mgr/fs_mgr_fstab.cpp
index e4bb092..a36934a 100644
--- a/fs_mgr/fs_mgr_fstab.cpp
+++ b/fs_mgr/fs_mgr_fstab.cpp
@@ -30,6 +30,7 @@
 
 #include <android-base/file.h>
 #include <android-base/parseint.h>
+#include <android-base/properties.h>
 #include <android-base/stringprintf.h>
 #include <android-base/strings.h>
 #include <libgsi/libgsi.h>
@@ -654,6 +655,21 @@
     }
 }
 
+void EnableMandatoryFlags(Fstab* fstab) {
+    // Devices launched in R and after should enable fs_verity on userdata. The flag causes tune2fs
+    // to enable the feature. A better alternative would be to enable on mkfs at the beginning.
+    if (android::base::GetIntProperty("ro.product.first_api_level", 0) >= 30) {
+        std::vector<FstabEntry*> data_entries = GetEntriesForMountPoint(fstab, "/data");
+        for (auto&& entry : data_entries) {
+            // Besides ext4, f2fs is also supported. But the image is already created with verity
+            // turned on when it was first introduced.
+            if (entry->fs_type == "ext4") {
+                entry->fs_mgr_flags.fs_verity = true;
+            }
+        }
+    }
+}
+
 bool ReadFstabFromFile(const std::string& path, Fstab* fstab) {
     auto fstab_file = std::unique_ptr<FILE, decltype(&fclose)>{fopen(path.c_str(), "re"), fclose};
     if (!fstab_file) {
@@ -674,6 +690,7 @@
     }
 
     SkipMountingPartitions(fstab);
+    EnableMandatoryFlags(fstab);
 
     return true;
 }
diff --git a/init/reboot.cpp b/init/reboot.cpp
index 048c1e7..08b99ab 100644
--- a/init/reboot.cpp
+++ b/init/reboot.cpp
@@ -96,8 +96,10 @@
     return ret;
 }
 
-static void PersistRebootReason(const char* reason) {
-    SetProperty(LAST_REBOOT_REASON_PROPERTY, reason);
+static void PersistRebootReason(const char* reason, bool write_to_property) {
+    if (write_to_property) {
+        SetProperty(LAST_REBOOT_REASON_PROPERTY, reason);
+    }
     WriteStringToFile(reason, LAST_REBOOT_REASON_FILE);
 }
 
@@ -535,14 +537,6 @@
     Timer t;
     LOG(INFO) << "Reboot start, reason: " << reason << ", reboot_target: " << reboot_target;
 
-    // If /data isn't mounted then we can skip the extra reboot steps below, since we don't need to
-    // worry about unmounting it.
-    if (!IsDataMounted()) {
-        sync();
-        RebootSystem(cmd, reboot_target);
-        abort();
-    }
-
     // Ensure last reboot reason is reduced to canonical
     // alias reported in bootloader or system boot reason.
     size_t skip = 0;
@@ -552,9 +546,17 @@
          reasons[1] == "hard" || reasons[1] == "warm")) {
         skip = strlen("reboot,");
     }
-    PersistRebootReason(reason.c_str() + skip);
+    PersistRebootReason(reason.c_str() + skip, true);
     sync();
 
+    // If /data isn't mounted then we can skip the extra reboot steps below, since we don't need to
+    // worry about unmounting it.
+    if (!IsDataMounted()) {
+        sync();
+        RebootSystem(cmd, reboot_target);
+        abort();
+    }
+
     bool is_thermal_shutdown = cmd == ANDROID_RB_THERMOFF;
 
     auto shutdown_timeout = 0ms;
@@ -833,7 +835,8 @@
     if (!WaitForProperty("sys.boot_completed", "1", timeout)) {
         LOG(ERROR) << "Failed to boot in " << timeout.count() << "ms. Switching to full reboot";
         // In this case device is in a boot loop. Only way to recover is to do dirty reboot.
-        PersistRebootReason("userspace_failed,watchdog_triggered");
+        // Since init might be wedged, don't try to write reboot reason into a persistent property.
+        PersistRebootReason("userspace_failed,watchdog_triggered", false);
         RebootSystem(ANDROID_RB_RESTART2, "userspace_failed,watchdog_triggered");
     }
     LOG(INFO) << "Device booted, stopping userspace reboot watchdog";
diff --git a/libstats/pull/Android.bp b/libstats/pull/Android.bp
index d74a36b..1a9cb92 100644
--- a/libstats/pull/Android.bp
+++ b/libstats/pull/Android.bp
@@ -17,8 +17,8 @@
 // ==========================================================
 // Native library to register a pull atom callback with statsd
 // ==========================================================
-cc_library_shared {
-    name: "libstatspull",
+cc_defaults {
+    name: "libstatspull_defaults",
     srcs: [
         "stats_pull_atom_callback.cpp",
     ],
@@ -31,12 +31,16 @@
         "libbinder_ndk",
         "liblog",
         "statsd-aidl-ndk_platform",
+        "libstatssocket",
     ],
     static_libs: [
         "libutils",
-        // TODO(b/149340100): Clean this up when libstatssocket is moved to the apex.
-        "libstatssocket",
-        "libcutils",
+    ],
+}
+cc_library_shared {
+    name: "libstatspull",
+    defaults: [
+        "libstatspull_defaults"
     ],
     // enumerate stable entry points for APEX use
     stubs: {
@@ -50,3 +54,14 @@
         "test_com.android.os.statsd",
     ],
 }
+
+// ONLY USE IN TESTS.
+cc_library_static {
+    name: "libstatspull_private",
+    defaults: [
+        "libstatspull_defaults",
+    ],
+    visibility: [
+        "//frameworks/base/apex/statsd/tests/libstatspull",
+    ],
+}
diff --git a/libstats/socket/Android.bp b/libstats/socket/Android.bp
index 437879b..b02ab42 100644
--- a/libstats/socket/Android.bp
+++ b/libstats/socket/Android.bp
@@ -17,23 +17,43 @@
 // =========================================================================
 // Native library to write stats log to statsd socket on Android R and later
 // =========================================================================
-cc_library {
-    name: "libstatssocket",
+cc_defaults {
+    name: "libstatssocket_defaults",
     srcs: [
         "stats_buffer_writer.c",
         "stats_event.c",
         "stats_socket.c",
         "statsd_writer.c",
     ],
-    host_supported: true,
-    cflags: [
-        "-Wall",
-        "-Werror",
-    ],
     export_include_dirs: ["include"],
     static_libs: [
         "libcutils", // does not expose a stable C API
     ],
+    cflags: [
+        "-Wall",
+        "-Werror",
+    ],
+}
+
+cc_library {
+    name: "libstatssocket",
+    defaults: [
+        "libstatssocket_defaults",
+    ],
+    host_supported: true,
+    target: {
+        // On android, libstatssocket should only be linked as a shared lib
+        android: {
+            static: {
+                enabled: false,
+            },
+        },
+        host: {
+            shared: {
+                enabled: false,
+            },
+        },
+    },
 
     // enumerate stable entry points for APEX use
     stubs: {
@@ -43,13 +63,23 @@
         ],
     },
     apex_available: [
-        //TODO(b/149340100): Remove this once libstatssocket is only linked as shared.
-        "//apex_available:platform",
         "com.android.os.statsd",
         "test_com.android.os.statsd",
     ],
 }
 
+//TODO (b/149842105): Figure out if there is a better solution for this.
+cc_test_library {
+    name: "libstatssocket_private",
+    defaults: [
+        "libstatssocket_defaults",
+    ],
+    visibility: [
+        "//frameworks/base/apex/statsd/tests/libstatspull",
+        "//frameworks/base/cmds/statsd",
+    ],
+}
+
 cc_library_headers {
     name: "libstatssocket_headers",
     export_include_dirs: ["include"],
@@ -67,7 +97,7 @@
         "-Werror",
     ],
     static_libs: [
-        "libstatssocket",
+        "libstatssocket_private",
     ],
     shared_libs: [
         "libcutils",
@@ -84,7 +114,7 @@
     ],
     static_libs: [
         "libgmock",
-        "libstatssocket",
+        "libstatssocket_private",
     ],
     shared_libs: [
         "libcutils",