diff --git a/fs_mgr/libfstab/fstab.cpp b/fs_mgr/libfstab/fstab.cpp
index 6fa22fe..6273ee2 100644
--- a/fs_mgr/libfstab/fstab.cpp
+++ b/fs_mgr/libfstab/fstab.cpp
@@ -849,6 +849,14 @@
                             [&path](const FstabEntry& entry) { return entry.mount_point == path; });
 }
 
+FstabEntry* GetEntryForMountPoint(Fstab* fstab, const std::string_view path,
+                                  const std::string_view fstype) {
+    auto&& vec = GetEntriesByPred(fstab, [&path, fstype](const FstabEntry& entry) {
+        return entry.mount_point == path && entry.fs_type == fstype;
+    });
+    return vec.empty() ? nullptr : vec.front();
+}
+
 std::vector<const FstabEntry*> GetEntriesForMountPoint(const Fstab* fstab,
                                                        const std::string& path) {
     return GetEntriesByPred(fstab,
diff --git a/fs_mgr/libfstab/include/fstab/fstab.h b/fs_mgr/libfstab/include/fstab/fstab.h
index 5e4019c..dea7238 100644
--- a/fs_mgr/libfstab/include/fstab/fstab.h
+++ b/fs_mgr/libfstab/include/fstab/fstab.h
@@ -108,6 +108,9 @@
 FstabEntry* GetEntryForMountPoint(Fstab* fstab, const std::string& path);
 const FstabEntry* GetEntryForMountPoint(const Fstab* fstab, const std::string& path);
 
+FstabEntry* GetEntryForMountPoint(Fstab* fstab, const std::string_view path,
+                                  const std::string_view fstype);
+
 // This method builds DSU fstab entries and transfer the fstab.
 //
 // fstab points to the unmodified fstab.
diff --git a/fs_mgr/libsnapshot/include/libsnapshot/cow_format.h b/fs_mgr/libsnapshot/include/libsnapshot/cow_format.h
index 6a7153d..991e17c 100644
--- a/fs_mgr/libsnapshot/include/libsnapshot/cow_format.h
+++ b/fs_mgr/libsnapshot/include/libsnapshot/cow_format.h
@@ -31,15 +31,9 @@
 static constexpr uint32_t kCowVersionMajor = 2;
 static constexpr uint32_t kCowVersionMinor = 0;
 
-static constexpr uint32_t kCowVersionManifest = 2;
-
 static constexpr uint32_t kMinCowVersion = 1;
 static constexpr uint32_t kMaxCowVersion = 3;
 
-// Normally, this should be kMaxCowVersion. When a new version is under testing
-// it may be the previous value of kMaxCowVersion.
-static constexpr uint32_t kDefaultCowVersion = 2;
-
 // This header appears as the first sequence of bytes in the COW. All fields
 // in the layout are little-endian encoded. The on-disk layout is:
 //
diff --git a/fs_mgr/libsnapshot/libsnapshot_cow/snapshot_reader_test.cpp b/fs_mgr/libsnapshot/libsnapshot_cow/snapshot_reader_test.cpp
index 10cb06d..f00f236 100644
--- a/fs_mgr/libsnapshot/libsnapshot_cow/snapshot_reader_test.cpp
+++ b/fs_mgr/libsnapshot/libsnapshot_cow/snapshot_reader_test.cpp
@@ -184,7 +184,7 @@
     unique_fd cow_fd(dup(cow_->fd));
     ASSERT_GE(cow_fd, 0);
 
-    auto writer = CreateCowWriter(kDefaultCowVersion, options, std::move(cow_fd));
+    auto writer = CreateCowWriter(2, options, std::move(cow_fd));
     ASSERT_NO_FATAL_FAILURE(WriteCow(writer.get()));
     ASSERT_NO_FATAL_FAILURE(TestReads(writer.get()));
 }
diff --git a/fs_mgr/libsnapshot/snapuserd/user-space-merge/snapuserd_test.cpp b/fs_mgr/libsnapshot/snapuserd/user-space-merge/snapuserd_test.cpp
index d05df82..56f7b59 100644
--- a/fs_mgr/libsnapshot/snapuserd/user-space-merge/snapuserd_test.cpp
+++ b/fs_mgr/libsnapshot/snapuserd/user-space-merge/snapuserd_test.cpp
@@ -135,7 +135,7 @@
     unique_fd fd(cow_system_->fd);
     cow_system_->fd = -1;
 
-    return CreateCowWriter(kDefaultCowVersion, options, std::move(fd));
+    return CreateCowWriter(2, options, std::move(fd));
 }
 
 std::unique_ptr<ICowWriter> SnapuserdTestBase::CreateV3Cow() {
diff --git a/init/Android.bp b/init/Android.bp
index 6d63e41..c4e74d0 100644
--- a/init/Android.bp
+++ b/init/Android.bp
@@ -96,6 +96,7 @@
     config_namespace: "ANDROID",
     bool_variables: [
         "PRODUCT_INSTALL_DEBUG_POLICY_TO_SYSTEM_EXT",
+        "release_write_appcompat_override_system_properties",
     ],
     properties: [
         "cflags",
@@ -159,6 +160,9 @@
                 "-DINSTALL_DEBUG_POLICY_TO_SYSTEM_EXT=1",
             ],
         },
+        release_write_appcompat_override_system_properties: {
+            cflags: ["-DWRITE_APPCOMPAT_OVERRIDE_SYSTEM_PROPERTIES"],
+        }
     },
     static_libs: [
         "libavb",
diff --git a/init/README.ueventd.md b/init/README.ueventd.md
index 3c7107a..7d00195 100644
--- a/init/README.ueventd.md
+++ b/init/README.ueventd.md
@@ -59,9 +59,10 @@
 
 `subsystem_name` is used to match uevent `SUBSYSTEM` value
 
-`devname` takes one of two options
+`devname` takes one of three options
   1. `uevent_devname` specifies that the name of the node will be the uevent `DEVNAME`
-  2. `uevent_devpath` specified that the name of the node will be basename uevent `DEVPATH`
+  2. `uevent_devpath` specifies that the name of the node will be basename uevent `DEVPATH`
+  3. `sys_name` specifies that the name of the node will be the contents of `/sys/DEVPATH/name`
 
 `dirname` is an optional parameter that specifies a directory within `/dev` where the node will be
 created.
diff --git a/init/devices.h b/init/devices.h
index f9f4d79..44ce2a9 100644
--- a/init/devices.h
+++ b/init/devices.h
@@ -82,6 +82,7 @@
     enum DevnameSource {
         DEVNAME_UEVENT_DEVNAME,
         DEVNAME_UEVENT_DEVPATH,
+        DEVNAME_SYS_NAME,
     };
 
     Subsystem() {}
@@ -92,10 +93,18 @@
     // Returns the full path for a uevent of a device that is a member of this subsystem,
     // according to the rules parsed from ueventd.rc
     std::string ParseDevPath(const Uevent& uevent) const {
-        std::string devname = devname_source_ == DEVNAME_UEVENT_DEVNAME
-                                      ? uevent.device_name
-                                      : android::base::Basename(uevent.path);
-
+        std::string devname;
+        if (devname_source_ == DEVNAME_UEVENT_DEVNAME) {
+            devname = uevent.device_name;
+        } else if (devname_source_ == DEVNAME_UEVENT_DEVPATH) {
+            devname = android::base::Basename(uevent.path);
+        } else if (devname_source_ == DEVNAME_SYS_NAME) {
+            if (android::base::ReadFileToString("/sys/" + uevent.path + "/name", &devname)) {
+                devname.pop_back();  // Remove terminating newline
+            } else {
+                devname = uevent.device_name;
+            }
+        }
         return dir_name_ + "/" + devname;
     }
 
diff --git a/init/property_service.cpp b/init/property_service.cpp
index 58a0a7f..5a1b63b 100644
--- a/init/property_service.cpp
+++ b/init/property_service.cpp
@@ -1308,12 +1308,14 @@
     }
     selinux_android_restorecon(PROP_TREE_FILE, 0);
 
+#ifdef WRITE_APPCOMPAT_OVERRIDE_SYSTEM_PROPERTIES
     mkdir(APPCOMPAT_OVERRIDE_PROP_FOLDERNAME, S_IRWXU | S_IXGRP | S_IXOTH);
     if (!WriteStringToFile(serialized_contexts, APPCOMPAT_OVERRIDE_PROP_TREE_FILE, 0444, 0, 0,
                            false)) {
         PLOG(ERROR) << "Unable to write appcompat override property infos to file";
     }
     selinux_android_restorecon(APPCOMPAT_OVERRIDE_PROP_TREE_FILE, 0);
+#endif
 }
 
 static void ExportKernelBootProps() {
diff --git a/init/ueventd_parser.cpp b/init/ueventd_parser.cpp
index d34672e..4395d88 100644
--- a/init/ueventd_parser.cpp
+++ b/init/ueventd_parser.cpp
@@ -218,6 +218,10 @@
         subsystem_.devname_source_ = Subsystem::DEVNAME_UEVENT_DEVPATH;
         return {};
     }
+    if (args[1] == "sys_name") {
+        subsystem_.devname_source_ = Subsystem::DEVNAME_SYS_NAME;
+        return {};
+    }
 
     return Error() << "invalid devname '" << args[1] << "'";
 }
diff --git a/libmodprobe/libmodprobe.cpp b/libmodprobe/libmodprobe.cpp
index 5023c79..1a40da1 100644
--- a/libmodprobe/libmodprobe.cpp
+++ b/libmodprobe/libmodprobe.cpp
@@ -484,7 +484,11 @@
                 return false;
             }
 
-            if (module_options_[cnd_last].find("load_sequential=1") != std::string::npos) {
+            std::string str = "load_sequential=1";
+            auto it = module_options_[cnd_last].find(str);
+            if (it != std::string::npos) {
+                module_options_[cnd_last].erase(it, it + str.size());
+
                 if (!LoadWithAliases(cnd_last, true)) {
                     return false;
                 }
diff --git a/toolbox/modprobe.cpp b/toolbox/modprobe.cpp
index 45dd9b8..b0e76ea 100644
--- a/toolbox/modprobe.cpp
+++ b/toolbox/modprobe.cpp
@@ -15,6 +15,7 @@
  */
 
 #include <ctype.h>
+#include <fcntl.h>
 #include <getopt.h>
 #include <stdlib.h>
 
@@ -27,6 +28,7 @@
 #include <modprobe/modprobe.h>
 
 #include <sys/utsname.h>
+#include <unistd.h>
 
 namespace {
 
@@ -105,6 +107,11 @@
     return 0;
 }
 
+std::string GetPageSizeSuffix() {
+    static const size_t page_size = sysconf(_SC_PAGE_SIZE);
+    return android::base::StringPrintf("_%zuk", page_size / 1024);
+}
+
 }  // anonymous namespace
 
 extern "C" int modprobe_main(int argc, char** argv) {
@@ -233,6 +240,19 @@
         // Allow modules to be directly inside /lib/modules
         mod_dirs.emplace_back(LIB_MODULES_PREFIX);
     }
+    if (getpagesize() != 4096) {
+        struct utsname uts {};
+        if (uname(&uts)) {
+            PLOG(FATAL) << "Failed to get kernel version";
+        }
+        const auto module_dir = android::base::StringPrintf("/lib/modules/%s%s", uts.release,
+                                                            GetPageSizeSuffix().c_str());
+        struct stat st {};
+        if (stat(module_dir.c_str(), &st) == 0 && S_ISDIR(st.st_mode)) {
+            mod_dirs.clear();
+            mod_dirs.emplace_back(module_dir);
+        }
+    }
 
     LOG(DEBUG) << "mode is " << mode;
     LOG(DEBUG) << "mod_dirs is: " << android::base::Join(mod_dirs, " ");